/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-bar-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        ul,
        ol {
            list-style: none;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }
        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
        }
        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }
        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            pointer-events: auto;
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(160deg, #f0f5ff 0%, #e8f0fe 30%, #f8fafc 70%, #ffffff 100%);
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content {
            max-width: 560px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }
        .hero-content h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-content .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: 28px;
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-card-stack {
            position: relative;
            width: 100%;
            max-width: 420px;
            aspect-ratio: 4/3;
        }
        .hero-card-stack .card-item {
            position: absolute;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-slow);
        }
        .hero-card-stack .card-item:nth-child(1) {
            top: 0;
            right: 0;
            width: 75%;
            z-index: 3;
            transform: rotate(2deg);
        }
        .hero-card-stack .card-item:nth-child(2) {
            top: 30px;
            right: 40px;
            width: 65%;
            z-index: 2;
            transform: rotate(-3deg);
            opacity: 0.85;
        }
        .hero-card-stack .card-item:nth-child(3) {
            top: 60px;
            right: 80px;
            width: 55%;
            z-index: 1;
            transform: rotate(5deg);
            opacity: 0.7;
        }
        .hero-card-stack .card-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 16px;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 1.9rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-bg-light {
            background: #f8fafc;
        }
        .section-bg-white {
            background: #fff;
        }
        .section-bg-primary-soft {
            background: var(--primary-soft);
        }

        /* ===== Coupon Grid ===== */
        .coupon-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .coupon-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .coupon-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #60a5fa);
        }
        .coupon-card.featured::before {
            background: linear-gradient(90deg, var(--accent), #fbbf24);
        }
        .coupon-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .coupon-card .coupon-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .coupon-card.featured .coupon-value {
            color: var(--accent);
        }
        .coupon-card .coupon-name {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
        }
        .coupon-card .coupon-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .coupon-card .coupon-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 12px;
            background: #fef3c7;
            color: #b45309;
            align-self: flex-start;
        }
        .coupon-card .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 18px;
            align-self: flex-start;
            margin-top: auto;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .coupon-card .btn-sm:hover {
            background: var(--primary-hover);
            color: #fff;
        }

        /* ===== Rules Section ===== */
        .rules-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 16px;
        }
        .rule-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: #fff;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .rule-item:hover {
            box-shadow: var(--shadow);
        }
        .rule-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 700;
        }
        .rule-text h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            margin-bottom: 4px;
        }
        .rule-text p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== Limited Time Entry ===== */
        .countdown-bar {
            background: linear-gradient(135deg, #1e293b, #334155);
            border-radius: var(--radius-xl);
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .countdown-bar::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .countdown-info {
            position: relative;
            z-index: 1;
        }
        .countdown-info .countdown-tag {
            display: inline-block;
            background: #ef4444;
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 12px;
            margin-bottom: 10px;
            animation: blink-tag 1.5s infinite;
        }
        @keyframes blink-tag {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .countdown-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .countdown-info p {
            font-size: 0.9rem;
            color: #cbd5e1;
            max-width: 400px;
        }
        .countdown-timer {
            display: flex;
            gap: 12px;
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }
        .timer-block {
            text-align: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 12px 16px;
            min-width: 60px;
            backdrop-filter: blur(4px);
        }
        .timer-block .timer-num {
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1;
        }
        .timer-block .timer-label {
            font-size: 0.7rem;
            color: #94a3b8;
            margin-top: 4px;
        }
        .countdown-cta {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ===== Tiered Offers ===== */
        .tier-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 16px;
        }
        .tier-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 2px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .tier-card.popular {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: scale(1.03);
        }
        .tier-card.popular::after {
            content: '热门推荐';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 12px;
            white-space: nowrap;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .tier-card.popular:hover {
            transform: scale(1.03) translateY(-3px);
        }
        .tier-card .tier-level {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .tier-card .tier-amount {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }
        .tier-card.popular .tier-amount {
            color: var(--accent);
        }
        .tier-card .tier-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .tier-card .tier-limit {
            font-size: 0.75rem;
            color: #ef4444;
            font-weight: 500;
            margin-bottom: 14px;
        }
        .tier-card .btn-sm {
            padding: 9px 20px;
            font-size: 0.85rem;
            border-radius: 18px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            display: inline-block;
        }
        .tier-card.popular .btn-sm {
            background: var(--accent);
        }
        .tier-card .btn-sm:hover {
            opacity: 0.9;
            color: #fff;
            transform: translateY(-1px);
        }

        /* ===== Hot List ===== */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 16px;
        }
        .hot-item {
            display: flex;
            gap: 14px;
            align-items: center;
            background: #fff;
            padding: 16px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            counter-increment: hot-counter;
        }
        .hot-item::before {
            content: counter(hot-counter);
            position: absolute;
            top: -8px;
            left: -8px;
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 0.75rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
        }
        .hot-item:nth-child(1)::before {
            background: #ef4444;
        }
        .hot-item:nth-child(2)::before {
            background: #f59e0b;
        }
        .hot-item:nth-child(3)::before {
            background: #3b82f6;
        }
        .hot-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
        }
        .hot-item img {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .hot-item .hot-info h4 {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            margin-bottom: 2px;
        }
        .hot-item .hot-info p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .hot-item .hot-badge {
            margin-left: auto;
            flex-shrink: 0;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: #fef2f2;
            color: #dc2626;
        }

        /* ===== Selling Points ===== */
        .selling-points {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .sp-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .sp-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .sp-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
        }
        .sp-card h3 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 8px;
        }
        .sp-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Scene Demo ===== */
        .scene-demo {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .scene-visual {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16/10;
        }
        .scene-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .scene-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .scene-features {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .scene-feature-tag {
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 16px;
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== Reviews Wall ===== */
        .review-summary {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            margin-bottom: 28px;
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .review-score {
            text-align: center;
            flex-shrink: 0;
        }
        .review-score .score-num {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .review-score .score-stars {
            color: #f59e0b;
            font-size: 1.2rem;
            margin: 4px 0;
        }
        .review-score .score-count {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .review-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 16px;
        }
        .review-card {
            background: #fff;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .review-card:hover {
            box-shadow: var(--shadow);
        }
        .review-card .review-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            margin-bottom: 4px;
        }
        .review-card .review-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            margin-bottom: 6px;
        }
        .review-card .review-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Brand Intro ===== */
        .brand-intro-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            display: grid;
            grid-template-columns: 1fr 200px;
            gap: 28px;
            align-items: center;
        }
        .brand-intro-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .brand-intro-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 1;
            box-shadow: var(--shadow-md);
        }
        .brand-intro-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Data Metrics ===== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-item {
            text-align: center;
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .metric-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .metric-item .metric-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .metric-item .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== News Section ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            padding-left: 8px;
            background: #fafbfc;
            border-radius: 4px;
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            min-width: 80px;
            padding-top: 2px;
            font-weight: 500;
        }
        .news-content h4 {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-content .btn-read-more {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: none;
            padding: 0;
            border: none;
            cursor: pointer;
            transition: color var(--transition);
        }
        .news-content .btn-read-more:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .news-sidebar h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .news-sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition);
            cursor: pointer;
        }
        .news-sidebar ul li:hover {
            color: var(--primary);
        }
        .news-sidebar ul li:last-child {
            border-bottom: none;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .faq-item .faq-q {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item .faq-q::before {
            content: 'Q';
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
        }
        .faq-item .faq-a {
            margin-top: 10px;
            padding-left: 38px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a56db, #1e40af);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: #bfdbfe;
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }
        .cta-section .btn-accent {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 24px;
        }

        /* ===== Bottom Fixed Bar ===== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            height: var(--bottom-bar-height);
        }
        .bottom-fixed-bar .bar-text {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }
        .bottom-fixed-bar .bar-highlight {
            color: #ef4444;
            font-weight: 700;
        }
        .bottom-fixed-bar .btn {
            padding: 10px 22px;
            font-size: 0.9rem;
            border-radius: 20px;
        }

        /* ===== Floating Side CTA ===== */
        .floating-side-cta {
            position: fixed;
            right: 20px;
            bottom: 100px;
            z-index: 998;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .floating-side-cta .float-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            font-size: 1.2rem;
            cursor: pointer;
            border: none;
        }
        .floating-side-cta .float-btn:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
            transform: scale(1.08);
        }
        .floating-side-cta .float-btn.accent {
            background: var(--accent);
        }
        .floating-side-cta .float-btn.accent:hover {
            background: var(--accent-hover);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
                max-width: 360px;
                margin: 0 auto;
            }
            .selling-points {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-demo {
                grid-template-columns: 1fr;
            }
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
            .brand-intro-card {
                grid-template-columns: 1fr;
            }
            .brand-intro-visual {
                max-width: 200px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-dock {
                flex-wrap: wrap;
                gap: 8px;
                padding: 10px 14px;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 2px;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-links::-webkit-scrollbar {
                display: none;
            }
            .nav-links a {
                font-size: 0.8rem;
                padding: 6px 10px;
                border-radius: 16px;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 8px 14px;
                border-radius: 16px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-section {
                padding: 100px 0 50px;
            }
            .selling-points {
                grid-template-columns: 1fr;
            }
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-list {
                grid-template-columns: 1fr;
            }
            .coupon-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
            .countdown-bar {
                flex-direction: column;
                text-align: center;
            }
            .countdown-timer {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .floating-side-cta {
                right: 10px;
                bottom: 80px;
            }
            .floating-side-cta .float-btn {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-stats {
                gap: 14px;
            }
            .hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .coupon-grid {
                grid-template-columns: 1fr;
            }
            .tier-cards {
                grid-template-columns: 1fr;
            }
            .rules-list {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 40px 0;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .bottom-fixed-bar {
                flex-direction: column;
                gap: 8px;
                height: auto;
                padding: 10px;
            }
            body {
                padding-bottom: 80px;
            }
            .bottom-fixed-bar {
                height: auto;
                min-height: 60px;
            }
            .review-summary {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 60px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-bar-height);
            padding-top: 100px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
            gap: 8px;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }

        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
            pointer-events: auto;
        }

        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        /* Mobile nav - horizontal scroll */
        @media (max-width: 1024px) {
            .nav-dock {
                flex-wrap: wrap;
                padding: 10px 12px;
                gap: 6px;
                justify-content: center;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-links {
                order: 3;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                gap: 2px;
                padding: 4px 0;
                width: 100%;
                justify-content: flex-start;
            }
            .nav-links::-webkit-scrollbar {
                display: none;
            }
            .nav-links a {
                padding: 6px 12px;
                font-size: 0.8rem;
                white-space: nowrap;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 8px 16px;
                border-radius: 16px;
            }
            body {
                padding-top: 130px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                width: calc(100% - 12px);
                top: 8px;
            }
            .nav-dock {
                padding: 8px 10px;
                border-radius: var(--radius-lg);
            }
            .nav-logo {
                font-size: 0.9rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .nav-links a {
                padding: 5px 10px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .nav-cta-btn {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
            body {
                padding-top: 120px;
            }
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: 64px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #f0f5ff 0%, #e8f0fe 30%, #f8fafc 70%, #ffffff 100%);
            padding: 70px 0 60px;
            overflow: hidden;
            border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
            margin: 0 16px;
        }

        .hero-badge-explosion {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #7c2d12;
            font-weight: 700;
            font-size: 1rem;
            padding: 8px 18px;
            border-radius: 24px;
            position: relative;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.45);
            animation: pulse-badge 2.2s ease-in-out infinite;
            letter-spacing: 0.5px;
        }

        .hero-badge-explosion::after {
            content: '';
            position: absolute;
            top: -6px;
            right: -10px;
            width: 18px;
            height: 18px;
            background: #ef4444;
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 2px 8px rgba(239, 68, 68, 0.5);
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.06);
            }
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            color: var(--primary);
            position: relative;
        }

        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: var(--accent-light);
            border-radius: 4px;
            z-index: -1;
            opacity: 0.7;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 16px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 24px rgba(26, 86, 219, 0.35);
            transition: all var(--transition-slow);
            border: none;
            cursor: pointer;
        }

        .btn-primary-cta:hover {
            background: var(--primary-hover);
            box-shadow: 0 8px 32px rgba(26, 86, 219, 0.5);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-accent-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--accent);
            color: #7c2d12;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-slow);
            border: none;
            cursor: pointer;
        }

        .btn-accent-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.5);
            transform: translateY(-3px);
            color: #5c1d0a;
        }

        .hero-illustration {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 4px solid #fff;
        }

        .hero-illustration img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .hero-stats-mini {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .hero-stat-item strong {
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 40px 0 36px;
                margin: 0 8px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .btn-primary-cta,
            .btn-accent-cta {
                padding: 12px 24px;
                font-size: 0.9rem;
                border-radius: 22px;
            }
            .hero-badge-explosion {
                font-size: 0.85rem;
                padding: 6px 14px;
            }
            .hero-stats-mini {
                gap: 14px;
            }
            .hero-stat-item {
                font-size: 0.8rem;
            }
            .hero-stat-item strong {
                font-size: 1.1rem;
            }
        }

        /* ===== Step Cards ===== */
        .step-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            position: relative;
            height: 100%;
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 16px;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
        }

        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Benefit Cards ===== */
        .benefit-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-slow);
            height: 100%;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .benefit-icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .benefit-card:hover .benefit-icon-circle {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.35);
        }

        .benefit-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .benefit-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Game Card ===== */
        .game-recommend-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
        }

        .game-recommend-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .game-recommend-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
        }

        .game-recommend-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .game-recommend-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .game-recommend-card .card-body {
            padding: 20px;
        }

        .game-recommend-card .card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text);
        }

        .game-recommend-card .card-body p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
        }

        .game-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--accent-light);
            color: #92400e;
            margin-bottom: 8px;
        }

        /* ===== Scene Demo Section ===== */
        .scene-demo-block {
            background: var(--surface);
            border-radius: var(--radius-2xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .scene-demo-block .scene-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 3px solid #fff;
        }

        .scene-demo-block .scene-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius);
        }

        .scene-feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .scene-feature-list li {
            padding: 10px 0 10px 28px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            border-bottom: 1px solid var(--border-light);
        }

        .scene-feature-list li:last-child {
            border-bottom: none;
        }

        .scene-feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--primary);
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .scene-demo-block {
                padding: 20px;
            }
        }

        /* ===== Testimonial Card ===== */
        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition-slow);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .stars {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 12px;
            position: relative;
            padding-left: 20px;
        }

        .testimonial-card .quote::before {
            content: '\201C';
            font-size: 2.5rem;
            color: var(--primary-light);
            position: absolute;
            left: -4px;
            top: -6px;
            font-style: normal;
            line-height: 1;
        }

        .testimonial-card .author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-card .author span {
            color: var(--text-muted);
            font-weight: 400;
            font-size: 0.8rem;
        }

        /* ===== FAQ Section ===== */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: transparent;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .faq-question i {
            transition: transform var(--transition-slow);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.8;
            display: none;
        }

        .faq-answer.show {
            display: block;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 100%);
            border-radius: var(--radius-2xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn-light-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
            transition: all var(--transition-slow);
            position: relative;
            z-index: 1;
            border: none;
            cursor: pointer;
        }

        .cta-banner .btn-light-cta:hover {
            background: #f0f5ff;
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3);
            transform: translateY(-3px);
            color: var(--primary-hover);
        }

        @media (max-width: 768px) {
            .cta-banner {
                padding: 32px 20px;
                border-radius: var(--radius-xl);
            }
            .cta-banner h2 {
                font-size: 1.5rem;
            }
            .cta-banner p {
                font-size: 0.95rem;
            }
            .cta-banner .btn-light-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== Bottom Fixed CTA Bar ===== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            height: var(--bottom-bar-height);
        }

        .bottom-cta-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            white-space: nowrap;
        }

        .bottom-cta-bar .bar-text strong {
            color: var(--accent);
        }

        .bottom-cta-bar .btn-bar-cta {
            padding: 10px 24px;
            border-radius: 22px;
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--accent);
            color: #7c2d12;
            white-space: nowrap;
            box-shadow: 0 3px 12px rgba(245, 158, 11, 0.4);
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .bottom-cta-bar .btn-bar-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 5px 18px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
            color: #5c1d0a;
        }

        @media (max-width: 520px) {
            .bottom-cta-bar {
                gap: 10px;
                padding: 8px 14px;
            }
            .bottom-cta-bar .bar-text {
                font-size: 0.8rem;
            }
            .bottom-cta-bar .btn-bar-cta {
                padding: 8px 18px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
        }

        /* ===== Section Title ===== */
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-title h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-title h2 {
                font-size: 1.5rem;
            }
            .section-title p {
                font-size: 0.9rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 50px 0 30px;
            margin-top: 40px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
        }

        .site-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #94a3b8;
            margin: 0;
        }

        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 12px;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.88rem;
            transition: color var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
        }

        .site-footer .footer-bottom p {
            margin: 4px 0;
        }

        .site-footer .footer-links {
            margin-bottom: 10px;
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .site-footer .footer-links a {
            color: #94a3b8;
            font-size: 0.85rem;
        }

        .site-footer .footer-links a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Utility ===== */
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .fw-800 {
            font-weight: 800;
        }
        .bg-soft {
            background: var(--primary-soft);
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .rounded-2xl {
            border-radius: var(--radius-2xl);
        }

/* roulang page: category1 */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-bar-height);
            padding-top: 100px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
            gap: 8px;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }

        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ===== Hero Section - 白皮书获客风格 ===== */
        .hero-section {
            padding: 40px 0 60px;
            background: var(--surface);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-cover-wrapper {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            background: #fff;
            border: 1px solid var(--border);
            max-width: 420px;
            width: 100%;
        }

        .hero-cover-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .hero-cover-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
            z-index: 2;
        }

        .hero-cover-glow {
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 40px;
            background: radial-gradient(ellipse, rgba(26, 86, 219, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            width: fit-content;
            letter-spacing: 0.3px;
        }

        .hero-label i {
            font-size: 0.9rem;
        }

        .hero-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 500px;
        }

        .hero-toc {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hero-toc-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-toc-title i {
            color: var(--primary);
            font-size: 0.85rem;
        }

        .hero-toc-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-toc-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px dashed var(--border-light);
        }

        .hero-toc-list li:last-child {
            border-bottom: none;
        }

        .hero-toc-list li .toc-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .hero-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: 0.95rem;
            background: var(--surface);
            transition: all var(--transition);
            color: var(--text);
        }

        .hero-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.08);
            outline: none;
            background: #fff;
        }

        .hero-form input::placeholder {
            color: var(--text-light);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--primary);
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: 2px solid var(--primary);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-label {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-alt {
            background: var(--surface);
        }

        .section-dark {
            background: #0f172a;
            color: #f1f5f9;
        }

        .section-dark .section-header h2 {
            color: #f8fafc;
        }

        .section-dark .section-header p {
            color: #cbd5e1;
        }

        .section-dark .section-label {
            background: rgba(26, 86, 219, 0.3);
            color: #93c5fd;
        }

        /* ===== Game Category Cards ===== */
        .game-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .game-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border);
            transition: all var(--transition-slow);
            cursor: pointer;
            text-align: center;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .game-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .game-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform var(--transition-slow);
            border-radius: 0 0 3px 3px;
        }

        .game-card:hover::after {
            transform: scaleX(1);
        }

        .game-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
        }

        .game-card:hover .game-card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .game-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .game-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .game-card .card-badge {
            display: inline-block;
            margin-top: 10px;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent-hover);
        }

        /* ===== Feature Cards ===== */
        .feature-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: flex-start;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

        /* ===== Stats Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        /* ===== Process Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .process-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--surface);
            border: 3px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--primary);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .process-step:hover .process-step-num {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.35);
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            max-width: 180px;
        }

        /* ===== Testimonial Cards ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 0.9rem;
            letter-spacing: 2px;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        /* ===== FAQ Accordion ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            transition: all var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            border-radius: 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
            border: none;
            cursor: pointer;
        }

        .btn-white:hover {
            background: #f1f5f9;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
            color: var(--primary-hover);
        }

        .btn-white-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
        }

        .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ===== Bottom Fixed Bar ===== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            height: var(--bottom-bar-height);
        }

        .bottom-bar-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
        }

        .bottom-bar .btn-primary {
            padding: 10px 22px;
            font-size: 0.85rem;
            border-radius: 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.6;
            max-width: 340px;
        }

        .footer-col h4 {
            color: #f8fafc;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 4px;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.8rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-cover-wrapper {
                max-width: 360px;
                margin: 0 auto;
            }

            .hero-content {
                text-align: center;
                align-items: center;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-toc {
                text-align: left;
                width: 100%;
            }

            .hero-form {
                justify-content: center;
            }

            .game-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-cards-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .process-steps::before {
                display: none;
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .nav-links {
                gap: 2px;
            }

            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }

            .nav-logo {
                font-size: 1.05rem;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                width: calc(100% - 16px);
            }

            .nav-dock {
                padding: 8px 12px;
                border-radius: var(--radius-lg);
            }

            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-lg);
                flex-direction: column;
                padding: 12px;
                gap: 2px;
                box-shadow: var(--shadow-xl);
                border: 1px solid var(--border);
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
                justify-content: center;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                border-radius: 16px;
            }

            .hero-content h1 {
                font-size: 1.7rem;
            }

            .game-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .feature-cards-row {
                grid-template-columns: 1fr;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-number {
                font-size: 2rem;
            }

            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .section {
                padding: 40px 0;
            }

            .bottom-bar {
                flex-wrap: wrap;
                gap: 8px;
                padding: 8px 14px;
                height: auto;
                min-height: 52px;
            }

            .bottom-bar-text {
                font-size: 0.8rem;
            }

            body {
                padding-top: 80px;
                padding-bottom: 70px;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.4rem;
            }

            .hero-subtitle {
                font-size: 0.9rem;
            }

            .game-cards-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .hero-form {
                flex-direction: column;
            }

            .hero-form input {
                min-width: auto;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .container {
                padding: 0 14px;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .nav-logo {
                font-size: 0.95rem;
            }

            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }

            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.5s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category2 */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --accent-glow: #fbbf24;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: calc(var(--bottom-bar-height) + 20px);
            padding-top: 80px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }
        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
            gap: 8px;
        }
        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }
        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: var(--border-light);
        }

        /* ===== Bottom Sticky Bar ===== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            min-height: var(--bottom-bar-height);
        }
        .bottom-sticky-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            white-space: nowrap;
        }
        .bottom-sticky-bar .sticky-highlight {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.05rem;
        }
        .bottom-sticky-bar .btn-sticky-cta {
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--accent);
            color: #1e293b !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            letter-spacing: 0.02em;
        }
        .bottom-sticky-bar .btn-sticky-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
            color: #1e293b !important;
        }
        .bottom-sticky-bar .sticky-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            color: var(--text-muted);
            font-size: 1.1rem;
            padding: 4px 8px;
            border-radius: 50%;
            transition: all var(--transition);
        }
        .bottom-sticky-bar .sticky-close:hover {
            color: var(--text);
            background: var(--border-light);
        }

        /* ===== Hero Coupon Wall ===== */
        .hero-coupon-wall {
            position: relative;
            padding: 60px 0 70px;
            overflow: hidden;
            background: linear-gradient(170deg, #f0f4ff 0%, #e8f0fe 30%, #f8fafc 60%, #fef9f0 100%);
        }
        .hero-coupon-wall::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-coupon-wall::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-coupon-wall .hero-badge {
            display: inline-block;
            background: var(--accent-light);
            color: #92400e;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-coupon-wall .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .hero-coupon-wall .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-coupon-wall .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.6;
        }
        .coupon-wall-grid {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .coupon-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 0;
            position: relative;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-slow);
            cursor: pointer;
            overflow: hidden;
            width: 200px;
            min-width: 180px;
            border: 2px dashed var(--border);
        }
        .coupon-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .coupon-card.coupon-main {
            width: 280px;
            min-width: 260px;
            border: 3px solid var(--accent);
            border-style: solid;
            box-shadow: var(--shadow-lg), 0 0 40px rgba(245, 158, 11, 0.2);
            animation: couponPulse 2.5s ease-in-out infinite;
        }
        @keyframes couponPulse {
            0%,
            100% {
                box-shadow: var(--shadow-lg), 0 0 30px rgba(245, 158, 11, 0.18);
            }
            50% {
                box-shadow: var(--shadow-xl), 0 0 55px rgba(245, 158, 11, 0.35);
            }
        }
        .coupon-card.coupon-main .coupon-ribbon {
            position: absolute;
            top: 14px;
            right: -28px;
            background: var(--accent);
            color: #1e293b;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 30px;
            transform: rotate(45deg);
            z-index: 2;
            letter-spacing: 0.04em;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
        }
        .coupon-inner {
            padding: 22px 18px;
            text-align: center;
            position: relative;
        }
        .coupon-inner .coupon-amount {
            font-size: 2.8rem;
            font-weight: 900;
            color: #dc2626;
            line-height: 1;
            margin-bottom: 4px;
            letter-spacing: -0.03em;
        }
        .coupon-card.coupon-main .coupon-inner .coupon-amount {
            font-size: 3.6rem;
            color: #dc2626;
        }
        .coupon-inner .coupon-amount span {
            font-size: 1.2rem;
            font-weight: 700;
        }
        .coupon-inner .coupon-label {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            margin-bottom: 4px;
        }
        .coupon-inner .coupon-condition {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .coupon-inner .coupon-code {
            display: inline-block;
            background: #fef2f2;
            color: #dc2626;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            border: 1px dashed #fca5a5;
        }
        .coupon-inner .btn-claim {
            display: inline-block;
            margin-top: 10px;
            padding: 9px 22px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            background: #dc2626;
            color: #fff !important;
            transition: all var(--transition);
            box-shadow: 0 3px 10px rgba(220, 38, 38, 0.3);
            letter-spacing: 0.02em;
        }
        .coupon-inner .btn-claim:hover {
            background: #b91c1c;
            box-shadow: 0 6px 18px rgba(220, 38, 38, 0.4);
            transform: translateY(-2px);
        }
        .coupon-card.coupon-main .coupon-inner .btn-claim {
            padding: 11px 28px;
            font-size: 0.95rem;
            border-radius: 24px;
        }
        .coupon-dots-top,
        .coupon-dots-bottom {
            position: absolute;
            left: 0;
            right: 0;
            height: 8px;
            pointer-events: none;
            z-index: 1;
        }
        .coupon-dots-top {
            top: -4px;
            background: radial-gradient(circle at 12px 4px, var(--bg) 5px, transparent 5px) repeat-x;
            background-size: 24px 8px;
        }
        .coupon-dots-bottom {
            bottom: -4px;
            background: radial-gradient(circle at 12px 4px, var(--bg) 5px, transparent 5px) repeat-x;
            background-size: 24px 8px;
        }

        /* ===== Sections General ===== */
        .section-padding {
            padding: 60px 0;
        }
        .section-padding-lg {
            padding: 70px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: 16px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-header .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .bg-soft {
            background: #f8faff;
        }
        .bg-white-section {
            background: #fff;
        }

        /* ===== Selling Points ===== */
        .selling-point-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            height: 100%;
            border: 1px solid var(--border-light);
            text-align: center;
        }
        .selling-point-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .selling-point-card .point-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-soft);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .selling-point-card:hover .point-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .selling-point-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .selling-point-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0;
        }

        /* ===== Tournament Cards ===== */
        .tournament-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            height: 100%;
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .tournament-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary-light);
        }
        .tournament-card .tournament-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .tournament-card .tournament-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tournament-card .tournament-tag {
            display: inline-block;
            background: var(--accent-light);
            color: #92400e;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            align-self: flex-start;
            letter-spacing: 0.02em;
        }
        .tournament-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .tournament-card .tournament-info {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
            flex: 1;
        }
        .tournament-card .tournament-meta {
            display: flex;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .tournament-card .tournament-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .tournament-card .btn-tournament {
            display: inline-block;
            padding: 9px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            background: var(--primary);
            color: #fff !important;
            text-align: center;
            transition: all var(--transition);
            align-self: flex-start;
        }
        .tournament-card .btn-tournament:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
            transform: translateY(-1px);
        }

        /* ===== Scene Demo ===== */
        .scene-block {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            margin-bottom: 28px;
            transition: all var(--transition-slow);
        }
        .scene-block:hover {
            box-shadow: var(--shadow-lg);
        }
        .scene-block .scene-img-wrap {
            flex: 0 0 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .scene-block .scene-img-wrap img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .scene-block .scene-content {
            flex: 1;
            min-width: 260px;
        }
        .scene-block .scene-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .scene-block .scene-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .scene-block .scene-content .scene-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .scene-block .scene-content .scene-stat {
            text-align: center;
        }
        .scene-block .scene-content .scene-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
        }
        .scene-block .scene-content .scene-stat .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== Social Proof ===== */
        .proof-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .proof-stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
        }
        .proof-stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .proof-stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: 8px;
            color: var(--accent);
        }
        .proof-stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .proof-stat-card .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-muted);
        }
        .proof-stat-card .stat-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Process Steps ===== */
        .process-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .process-step .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .process-step .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .process-step .step-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== Review Cards ===== */
        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition-slow);
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .review-card .review-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius);
            margin-bottom: 14px;
        }
        .review-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .review-card .review-date {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .review-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fafbfc;
            transition: all var(--transition);
            user-select: none;
        }
        .faq-item .faq-question:hover {
            background: #f1f5f9;
        }
        .faq-item .faq-question .faq-arrow {
            transition: transform var(--transition);
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-slow);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            padding: 0 20px 16px;
            max-height: 300px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 50%, #1e3a8a 100%);
            border-radius: var(--radius-2xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-cta-lg {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: #fff;
            color: var(--primary) !important;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }
        .cta-section .btn-cta-lg:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
            background: #fefefe;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 50px 0 30px;
            margin-top: 20px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .site-footer .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: #94a3b8;
            margin: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 12px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 7px;
        }
        .site-footer .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
        }
        .site-footer .footer-bottom p {
            margin: 3px 0;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            color: #94a3b8;
            font-size: 0.82rem;
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .hero-coupon-wall .hero-title {
                font-size: 2rem;
            }
            .coupon-card {
                width: 160px;
                min-width: 140px;
            }
            .coupon-card.coupon-main {
                width: 220px;
                min-width: 200px;
            }
            .coupon-inner .coupon-amount {
                font-size: 2.2rem;
            }
            .coupon-card.coupon-main .coupon-inner .coupon-amount {
                font-size: 2.8rem;
            }
            .proof-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scene-block {
                flex-direction: column;
                padding: 24px;
            }
            .scene-block .scene-img-wrap {
                flex: 0 0 auto;
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .nav-dock {
                flex-wrap: wrap;
                padding: 10px 12px;
                gap: 6px;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                justify-content: flex-start;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 11px;
                font-size: 0.78rem;
                border-radius: 16px;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.78rem;
                padding: 8px 14px;
                border-radius: 16px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-coupon-wall {
                padding: 40px 0 50px;
            }
            .hero-coupon-wall .hero-title {
                font-size: 1.7rem;
            }
            .hero-coupon-wall .hero-subtitle {
                font-size: 0.9rem;
            }
            .coupon-wall-grid {
                gap: 12px;
            }
            .coupon-card {
                width: 130px;
                min-width: 110px;
            }
            .coupon-card.coupon-main {
                width: 180px;
                min-width: 160px;
                order: -1;
            }
            .coupon-inner {
                padding: 14px 10px;
            }
            .coupon-inner .coupon-amount {
                font-size: 1.8rem;
            }
            .coupon-card.coupon-main .coupon-inner .coupon-amount {
                font-size: 2.2rem;
            }
            .coupon-inner .coupon-label {
                font-size: 0.8rem;
            }
            .coupon-inner .btn-claim {
                font-size: 0.75rem;
                padding: 7px 14px;
            }
            .proof-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .proof-stat-card .stat-number {
                font-size: 1.6rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .bottom-sticky-bar {
                gap: 10px;
                padding: 8px 14px;
                flex-wrap: wrap;
            }
            .bottom-sticky-bar .sticky-text {
                font-size: 0.8rem;
            }
            .bottom-sticky-bar .btn-sticky-cta {
                font-size: 0.8rem;
                padding: 8px 18px;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .scene-block .scene-content .scene-stats {
                gap: 12px;
            }
            .scene-block .scene-content .scene-stat .stat-num {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            body {
                padding-top: 70px;
            }
            .site-header {
                top: 8px;
                width: calc(100% - 16px);
            }
            .nav-dock {
                border-radius: var(--radius);
                padding: 8px 10px;
            }
            .nav-logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .nav-links a {
                padding: 5px 9px;
                font-size: 0.7rem;
            }
            .nav-cta-btn {
                font-size: 0.7rem;
                padding: 6px 10px;
            }
            .hero-coupon-wall .hero-title {
                font-size: 1.4rem;
            }
            .coupon-card {
                width: 100px;
                min-width: 90px;
            }
            .coupon-card.coupon-main {
                width: 140px;
                min-width: 130px;
            }
            .coupon-inner .coupon-amount {
                font-size: 1.4rem;
            }
            .coupon-card.coupon-main .coupon-inner .coupon-amount {
                font-size: 1.7rem;
            }
            .coupon-inner .coupon-code {
                font-size: 0.7rem;
                padding: 4px 8px;
            }
            .proof-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .proof-stat-card {
                padding: 18px 12px;
            }
            .proof-stat-card .stat-number {
                font-size: 1.3rem;
            }
            .process-step {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .bottom-sticky-bar .sticky-close {
                right: 6px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --accent-deep: #f97316;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --shadow-glow: 0 0 30px rgba(26, 86, 219, 0.25), 0 8px 32px rgba(26, 86, 219, 0.12);
            --shadow-accent-glow: 0 0 28px rgba(245, 158, 11, 0.35), 0 6px 24px rgba(245, 158, 11, 0.18);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 60px;
            --gold: #d4a017;
            --gold-light: #fdf3d0;
            --gold-dark: #b8860b;
            --diamond: #6366f1;
            --diamond-light: #e0e7ff;
            --platinum: #64748b;
            --platinum-light: #f1f5f9;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-bar-height);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }
        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
            gap: 8px;
        }
        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }
        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .nav-mobile-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .nav-mobile-toggle:hover {
            background: var(--border-light);
        }

        /* ===== Bottom Fixed CTA Bar ===== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            height: var(--bottom-bar-height);
        }
        .bottom-cta-bar .cta-text {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            white-space: nowrap;
        }
        .bottom-cta-bar .cta-highlight {
            color: var(--accent);
            font-weight: 700;
        }
        .bottom-cta-bar .btn-cta-bottom {
            padding: 10px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-accent-glow);
            animation: pulse-accent 2.2s ease-in-out infinite;
        }
        .bottom-cta-bar .btn-cta-bottom:hover {
            background: var(--accent-hover);
            transform: scale(1.04);
            box-shadow: 0 0 36px rgba(245, 158, 11, 0.45), 0 8px 24px rgba(245, 158, 11, 0.22);
            color: #fff;
        }
        @keyframes pulse-accent {
            0%,
            100% {
                box-shadow: 0 0 28px rgba(245, 158, 11, 0.35), 0 6px 24px rgba(245, 158, 11, 0.18);
            }
            50% {
                box-shadow: 0 0 44px rgba(245, 158, 11, 0.55), 0 10px 32px rgba(245, 158, 11, 0.28);
            }
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: 70px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 90px 0;
        }
        .section-tight {
            padding: 30px 0;
        }

        /* ===== Hero Flash Sale Bar ===== */
        .flash-sale-strip {
            background: linear-gradient(135deg, #dc2626 0%, #ef4444 30%, #f97316 70%, #f59e0b 100%);
            color: #fff;
            padding: 12px 0;
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            position: relative;
            overflow: hidden;
            animation: flash-strip-shimmer 2.5s ease-in-out infinite;
        }
        @keyframes flash-strip-shimmer {
            0%,
            100% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
        }
        .flash-sale-strip .flash-icon {
            display: inline-block;
            animation: bounce-flash 0.6s ease-in-out infinite alternate;
        }
        @keyframes bounce-flash {
            0% {
                transform: translateY(0);
            }
            100% {
                transform: translateY(-6px);
            }
        }
        .flash-sale-strip .countdown-digits {
            display: inline-flex;
            gap: 4px;
            align-items: center;
            font-weight: 800;
            font-size: 1.1rem;
            background: rgba(0, 0, 0, 0.25);
            padding: 4px 10px;
            border-radius: 6px;
            margin: 0 4px;
        }
        .flash-sale-strip .countdown-digits span {
            background: #fff;
            color: #dc2626;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 1rem;
            min-width: 26px;
            text-align: center;
        }

        /* ===== Hero Section ===== */
        .hero-section {
            padding: 140px 0 60px;
            background: linear-gradient(180deg, #f0f4ff 0%, #f8fafc 60%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -150px;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-hover);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-title .highlight-accent {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-product-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 24px;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--accent-light);
            position: relative;
            transition: all var(--transition-slow);
            text-align: center;
        }
        .hero-product-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .hero-product-card .product-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.8rem;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
        }
        .hero-product-card .product-img {
            width: 100%;
            max-width: 200px;
            margin: 16px auto;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .hero-product-card .product-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 4px;
        }
        .hero-product-card .product-points {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.3rem;
        }
        .hero-product-card .product-stock {
            font-size: 0.8rem;
            color: #ef4444;
            font-weight: 600;
        }
        .btn-hero-cta {
            display: inline-block;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-accent-glow);
            letter-spacing: 0.5px;
        }
        .btn-hero-cta:hover {
            background: var(--accent-hover);
            transform: scale(1.05);
            box-shadow: 0 0 40px rgba(245, 158, 11, 0.5), 0 10px 28px rgba(245, 158, 11, 0.25);
            color: #fff;
        }
        .btn-hero-outline {
            display: inline-block;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1.05rem;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            transition: all var(--transition);
        }
        .btn-hero-outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }

        /* ===== Cards ===== */
        .card-premium {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-premium:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .card-premium.featured {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-md);
            background: linear-gradient(180deg, #fffef5 0%, #ffffff 40%);
        }
        .card-premium.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: 16px;
            right: -30px;
            background: var(--accent);
            color: #fff;
            padding: 4px 36px;
            font-size: 0.75rem;
            font-weight: 700;
            transform: rotate(45deg);
            white-space: nowrap;
        }
        .card-premium .tier-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .tier-gold {
            background: var(--gold-light);
            color: var(--gold-dark);
        }
        .tier-diamond {
            background: var(--diamond-light);
            color: var(--diamond);
        }
        .tier-platinum {
            background: var(--platinum-light);
            color: var(--platinum);
        }
        .card-premium h3 {
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card-premium .tier-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .card-premium ul {
            text-align: left;
            margin-bottom: 20px;
        }
        .card-premium ul li {
            padding: 6px 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .card-premium ul li i {
            color: #10b981;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .btn-tier {
            display: block;
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            transition: all var(--transition);
            background: var(--primary);
            color: #fff;
        }
        .btn-tier:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-tier.btn-gold {
            background: var(--gold);
            color: #fff;
        }
        .btn-tier.btn-gold:hover {
            background: var(--gold-dark);
            color: #fff;
        }
        .btn-tier.btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-tier.btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
        }

        /* ===== Benefit Cards ===== */
        .benefit-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
            text-align: center;
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .benefit-card .benefit-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 16px;
            transition: all var(--transition);
        }
        .benefit-card:hover .benefit-icon {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .benefit-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text);
        }
        .benefit-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Exchange Cards ===== */
        .exchange-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .exchange-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .exchange-card .exchange-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .exchange-card .exchange-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .exchange-card:hover .exchange-img img {
            transform: scale(1.06);
        }
        .exchange-card .exchange-body {
            padding: 20px;
        }
        .exchange-card .exchange-body h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--text);
        }
        .exchange-card .exchange-body .points-required {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 4px;
        }
        .exchange-card .exchange-body .stock-info {
            font-size: 0.8rem;
            color: #ef4444;
            font-weight: 600;
        }
        .exchange-card .btn-exchange {
            display: block;
            width: 100%;
            padding: 10px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            margin-top: 8px;
        }
        .exchange-card .btn-exchange:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-accent-glow);
        }

        /* ===== Tournament Card ===== */
        .tournament-highlight {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            transition: all var(--transition-slow);
        }
        .tournament-highlight:hover {
            box-shadow: var(--shadow-lg);
        }
        .tournament-highlight .tournament-badge {
            background: #ef4444;
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.8rem;
            display: inline-block;
            margin-bottom: 8px;
        }
        .tournament-highlight .tournament-prize {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        /* ===== Stats Section ===== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }
        .stat-block {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            text-align: center;
            min-width: 160px;
            flex: 1;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
        }
        .stat-block:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-block .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-block .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--surface);
            transition: all var(--transition);
        }
        .faq-section .accordion-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--surface);
            padding: 18px 20px;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-soft);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }
        .faq-section .accordion-body {
            padding: 16px 20px 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 40%, #1e3a8a 100%);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-2xl);
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section h2 {
            font-weight: 800;
            font-size: 2rem;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 16px 40px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.1rem;
            background: #fff;
            color: var(--primary);
            transition: all var(--transition-bounce);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 1;
        }
        .btn-cta-large:hover {
            transform: scale(1.05);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
            color: var(--primary-hover);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 50px 0 30px;
            margin-top: 20px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 30px;
        }
        .site-footer .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            margin: 0;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .site-footer .footer-col ul li {
            padding: 4px 0;
        }
        .site-footer .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
        }
        .site-footer .footer-bottom p {
            margin: 4px 0;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }

        /* ===== Mobile Navigation ===== */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-dock {
                flex-wrap: wrap;
                padding: 10px 12px;
                gap: 6px;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 2px;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-links::-webkit-scrollbar {
                display: none;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.78rem;
                white-space: nowrap;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .hero-section {
                padding: 150px 0 40px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .stat-block .stat-number {
                font-size: 1.8rem;
            }
            .tournament-highlight {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .bottom-cta-bar {
                flex-direction: column;
                gap: 8px;
                padding: 8px 16px;
                height: auto;
            }
            .bottom-cta-bar .cta-text {
                font-size: 0.85rem;
            }
            .bottom-cta-bar .btn-cta-bottom {
                padding: 8px 20px;
                font-size: 0.85rem;
            }
            body {
                padding-bottom: 80px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .flash-sale-strip {
                font-size: 0.8rem;
                padding: 8px 12px;
            }
            .flash-sale-strip .countdown-digits {
                font-size: 0.9rem;
                padding: 3px 6px;
            }
            .flash-sale-strip .countdown-digits span {
                font-size: 0.85rem;
                min-width: 22px;
                padding: 1px 4px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .card-premium {
                padding: 20px 16px;
            }
            .btn-hero-cta,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
                display: block;
                width: 100%;
                text-align: center;
                margin-bottom: 8px;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-block {
                padding: 18px 16px;
                min-width: 120px;
            }
            .stat-block .stat-number {
                font-size: 1.5rem;
            }
            .exchange-card .exchange-img {
                height: 140px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --accent-soft: #fffbeb;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --shadow-glow: 0 0 0 4px rgba(26, 86, 219, 0.12), 0 8px 32px rgba(26, 86, 219, 0.18);
            --shadow-accent-glow: 0 0 0 4px rgba(245, 158, 11, 0.15), 0 8px 32px rgba(245, 158, 11, 0.22);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-bar-height);
            padding-top: 90px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            background: var(--primary-soft);
            padding: 6px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 680px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
            gap: 8px;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 13px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            flex-shrink: 0;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }

        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
            pointer-events: auto;
        }

        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            pointer-events: auto;
        }

        /* ===== Hero Section ===== */
        .hero-section {
            padding: 60px 0 72px;
            position: relative;
            background: linear-gradient(180deg, #f0f4ff 0%, #f8fafc 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }

        .hero-text {
            flex: 1;
            min-width: 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }

        .hero-badge i {
            font-size: 0.85rem;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-title .highlight-accent {
            color: var(--accent);
            position: relative;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: var(--surface);
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 1.05rem;
            border-radius: 28px;
        }

        .btn-xl {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 30px;
            font-weight: 700;
        }

        .hero-visual {
            flex: 1;
            min-width: 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual img {
            max-width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        /* ===== Pricing Cards ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
            margin-top: 40px;
        }

        .pricing-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 2px solid var(--border);
            transition: all var(--transition-slow);
            position: relative;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            background: var(--surface);
            z-index: 2;
            transform: scale(1.04);
        }

        .pricing-card.featured:hover {
            box-shadow: var(--shadow-xl);
            transform: scale(1.04) translateY(-4px);
        }

        .pricing-card .featured-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 18px;
            border-radius: 20px;
            white-space: nowrap;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
            z-index: 3;
        }

        .pricing-card .card-tier {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            text-align: center;
        }

        .pricing-card .card-price {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            text-align: center;
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .pricing-card .card-price-sub {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 20px;
        }

        .pricing-card .card-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }

        .pricing-card .card-features li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px solid var(--border-light);
        }

        .pricing-card .card-features li:last-child {
            border-bottom: none;
        }

        .pricing-card .card-features li i {
            color: #10b981;
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .pricing-card .card-features li i.fa-minus {
            color: var(--text-light);
        }

        .pricing-card .btn {
            width: 100%;
            justify-content: center;
            text-align: center;
        }

        .pricing-card.featured .btn {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
            font-size: 1.05rem;
            padding: 14px 24px;
        }

        .pricing-card.featured .btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
            color: #fff;
        }

        .pricing-card.featured .card-price {
            color: var(--accent);
        }

        /* ===== Cards Grid ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px 22px;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .card-tag.hot {
            background: #fef2f2;
            color: #dc2626;
        }

        .card-tag.new {
            background: #ecfdf5;
            color: #059669;
        }

        .card-tag.limited {
            background: #fef3c7;
            color: #d97706;
        }

        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .card-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .card-link:hover {
            gap: 10px;
            color: var(--primary-hover);
        }

        /* ===== Stats Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            background: var(--surface);
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-number.accent {
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== Testimonials ===== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== Steps ===== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition);
            counter-increment: step;
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
        }

        .step-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 100%);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 250px;
            height: 250px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            letter-spacing: -0.02em;
        }

        .cta-banner p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .cta-banner .btn:hover {
            background: #f0f4ff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
            color: var(--primary-hover);
        }

        /* ===== Bottom Fixed Bar ===== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            height: var(--bottom-bar-height);
        }

        .bottom-fixed-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            white-space: nowrap;
        }

        .bottom-fixed-bar .bar-highlight {
            color: var(--accent);
            font-weight: 700;
        }

        .bottom-fixed-bar .btn {
            flex-shrink: 0;
        }

        .bottom-fixed-bar .btn-pulse {
            animation: pulse-btn 2s ease-in-out infinite;
        }

        @keyframes pulse-btn {
            0%,
            100% {
                box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
            }
            50% {
                box-shadow: 0 4px 28px rgba(26, 86, 219, 0.55), 0 0 0 8px rgba(26, 86, 219, 0.08);
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            color: #94a3b8;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: #94a3b8;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
            line-height: 1.8;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.85rem;
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Scene Cards ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .scene-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .scene-info h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 6px;
        }

        .scene-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .pricing-card {
                padding: 24px 18px;
            }
            .pricing-card.featured {
                transform: scale(1.02);
            }
            .pricing-card.featured:hover {
                transform: scale(1.02) translateY(-4px);
            }
            .pricing-card .card-price {
                font-size: 2.2rem;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-inner {
                flex-direction: column;
                gap: 32px;
                text-align: center;
            }
            .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin-left: auto;
                margin-right: auto;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .cards-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin-left: auto;
                margin-right: auto;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin-left: auto;
                margin-right: auto;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section {
                padding: 48px 0;
            }
            .nav-dock {
                padding: 6px 10px;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                gap: 0;
                overflow-x: auto;
                flex-wrap: nowrap;
                justify-content: flex-start;
            }
            .nav-links a {
                padding: 6px 9px;
                font-size: 0.75rem;
                border-radius: 16px;
            }
            .nav-cta-btn {
                padding: 7px 12px;
                font-size: 0.75rem;
                border-radius: 16px;
            }
            .nav-logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .bottom-fixed-bar {
                flex-direction: column;
                gap: 8px;
                padding: 8px 16px;
                height: auto;
                min-height: 56px;
            }
            .bottom-fixed-bar .bar-text {
                font-size: 0.85rem;
            }
            body {
                padding-bottom: 80px;
            }
            .cta-banner {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-banner h2 {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 40px 0 48px;
            }
            .pricing-card .card-price {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.9rem;
                border-radius: 20px;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.95rem;
            }
            .btn-xl {
                padding: 14px 26px;
                font-size: 1rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .steps-list {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .pricing-card {
                padding: 20px 16px;
            }
            .pricing-card .card-features li {
                font-size: 0.82rem;
            }
            .nav-links a {
                padding: 5px 7px;
                font-size: 0.7rem;
                border-radius: 14px;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.7rem;
            }
            .nav-logo {
                font-size: 0.85rem;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
            }
            .nav-dock {
                padding: 5px 8px;
                border-radius: var(--radius);
            }
            .container {
                padding: 0 14px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 0.85rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .card-img {
                height: 160px;
            }
            .card-body {
                padding: 14px 16px;
            }
            .card-title {
                font-size: 0.95rem;
            }
            .card-desc {
                font-size: 0.82rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --accent-soft: #fffbeb;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 60px;
            --success: #10b981;
            --success-light: #d1fae5;
            --danger: #ef4444;
            --danger-light: #fee2e2;
            --info: #3b82f6;
            --info-light: #dbeafe;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-bar-height);
            padding-top: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
            gap: 8px;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }

        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            pointer-events: auto;
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: 72px 0;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-lg {
            padding: 96px 0;
        }

        .section-tight {
            padding: 40px 0;
        }

        /* ===== Section Titles ===== */
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 680px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Hero Section ===== */
        .hero-section {
            padding: 140px 0 80px;
            background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 40%, #f8fafc 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.3);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(245, 158, 11, 0);
            }
        }

        .hero-badge .badge-icon {
            font-size: 1.1rem;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-title .highlight-accent {
            color: var(--accent);
            position: relative;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: var(--surface);
            color: var(--primary);
            border: 2px solid var(--primary-light);
        }

        .btn-outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-hover);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1.1rem;
            border-radius: 28px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 18px;
        }

        /* ===== Invite Progress Card ===== */
        .invite-card {
            background: var(--surface);
            border-radius: var(--radius-2xl);
            padding: 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            position: relative;
            z-index: 1;
        }

        .invite-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .invite-card-title {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text);
        }

        .invite-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .invite-stat {
            text-align: center;
        }

        .invite-stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .invite-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .progress-wrapper {
            margin-bottom: 20px;
        }

        .progress-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .progress-bar-outer {
            height: 12px;
            background: var(--border-light);
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .progress-bar-inner {
            height: 100%;
            background: linear-gradient(90deg, #1a56db, #3b82f6);
            border-radius: 10px;
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .progress-bar-inner::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 24px;
            height: 100%;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 10px;
        }

        .progress-milestones {
            display: flex;
            justify-content: space-between;
            margin-top: 8px;
            font-size: 0.75rem;
            color: var(--text-muted);
            position: relative;
        }

        .progress-milestones span {
            position: relative;
            cursor: default;
        }

        .progress-milestones span.reached {
            color: var(--primary);
            font-weight: 600;
        }

        .progress-milestones span.reached::before {
            content: '';
            position: absolute;
            top: -18px;
            left: 50%;
            transform: translateX(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }

        .reward-tiers {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-top: 20px;
        }

        .reward-tier {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 14px 10px;
            text-align: center;
            border: 2px solid transparent;
            transition: all var(--transition);
            position: relative;
        }

        .reward-tier.unlocked {
            border-color: var(--success);
            background: var(--success-light);
        }

        .reward-tier.current {
            border-color: var(--primary);
            background: var(--primary-soft);
            box-shadow: var(--shadow-sm);
        }

        .reward-tier-icon {
            font-size: 1.5rem;
            margin-bottom: 6px;
        }

        .reward-tier-label {
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--text);
            margin-bottom: 2px;
        }

        .reward-tier-value {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .invite-link-box {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .invite-link-input {
            flex: 1;
            min-width: 180px;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 20px;
            font-size: 0.9rem;
            background: var(--bg);
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .invite-link-input:focus {
            border-color: var(--primary);
            outline: none;
            background: var(--surface);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
        }

        /* ===== Card Styles ===== */
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.blue {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .card-icon.amber {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .card-icon.green {
            background: var(--success-light);
            color: var(--success);
        }

        .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 8px;
        }

        .card-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex-grow: 1;
        }

        .card-image {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
        }

        .card-tag.primary {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .card-tag.accent {
            background: var(--accent-light);
            color: var(--accent-hover);
        }

        .card-tag.success {
            background: var(--success-light);
            color: var(--success);
        }

        /* ===== Grid System ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ===== Scenario Section ===== */
        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }

        .scenario-block:last-child {
            margin-bottom: 0;
        }

        .scenario-block.reverse {
            direction: rtl;
        }

        .scenario-block.reverse .scenario-content {
            direction: ltr;
        }

        .scenario-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .scenario-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .scenario-image .scenario-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
        }

        .scenario-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .scenario-content p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .scenario-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .scenario-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .scenario-features li .check-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            background: var(--success-light);
            color: var(--success);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            margin-top: 2px;
        }

        /* ===== Article List ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-item {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }

        .article-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }

        .article-item .article-thumb {
            width: 140px;
            height: 100px;
            border-radius: var(--radius);
            overflow: hidden;
            flex-shrink: 0;
        }

        .article-item .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-item .article-info {
            flex: 1;
            min-width: 0;
        }

        .article-item .article-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .article-item .article-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-item .article-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-item .article-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            margin-top: 6px;
            transition: all var(--transition);
        }

        .article-item .article-link:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: var(--primary);
            color: #fff;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            opacity: 0.85;
            font-weight: 500;
        }

        /* ===== Testimonials ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 1rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 100%);
            color: #fff;
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -100px;
            width: 350px;
            height: 350px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-desc {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-section .btn-accent {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        }

        .cta-section .btn-accent:hover {
            background: #f0f7ff;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.25);
            color: var(--primary-hover);
        }

        /* ===== Bottom Sticky Bar ===== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            padding: 10px 24px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .bottom-sticky-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            white-space: nowrap;
        }

        .bottom-sticky-bar .sticky-highlight {
            color: var(--accent);
            font-weight: 700;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 56px 0 32px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            color: #94a3b8;
        }

        .footer-col h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: #e2e8f0;
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: #94a3b8;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        .footer-bottom p {
            margin-bottom: 4px;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .scenario-block.reverse {
                direction: ltr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .reward-tiers {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-dock {
                padding: 6px 12px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 64px 0;
            }
            .hero-section {
                padding: 120px 0 48px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .scenario-image img {
                height: 220px;
            }
            .article-item {
                flex-direction: column;
            }
            .article-item .article-thumb {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .reward-tiers {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .invite-card {
                padding: 20px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 5px 8px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .nav-dock {
                padding: 6px 10px;
                border-radius: var(--radius-lg);
            }
            .nav-logo {
                font-size: 1rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
            .bottom-sticky-bar {
                padding: 10px 16px;
                gap: 10px;
            }
            .bottom-sticky-bar .sticky-text {
                font-size: 0.85rem;
            }
            .cta-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-section {
                padding: 110px 0 40px;
            }
            .section {
                padding: 36px 0;
            }
            .container {
                padding: 0 16px;
            }
            .nav-dock {
                padding: 6px 8px;
                border-radius: var(--radius);
            }
            .nav-links a {
                padding: 4px 7px;
                font-size: 0.7rem;
                border-radius: 12px;
            }
            .nav-logo {
                font-size: 0.9rem;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.7rem;
                border-radius: 14px;
            }
            .reward-tiers {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }
            .reward-tier {
                padding: 10px 6px;
            }
            .reward-tier-label {
                font-size: 0.7rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .bottom-sticky-bar {
                flex-direction: column;
                gap: 8px;
                text-align: center;
                padding: 8px 16px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1a56db;
            --primary-hover: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.07);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --green: #10b981;
            --green-light: #d1fae5;
            --red: #ef4444;
            --red-light: #fee2e2;
            --blue-dark: #1e3a5f;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-bar-height);
            padding-top: 0;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: 1100px;
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 8px 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: all var(--transition-slow);
            gap: 6px;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            min-width: 0;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            flex-shrink: 0;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }

        .nav-cta-btn {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
            pointer-events: auto;
        }

        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        /* Mobile nav toggle */
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            pointer-events: auto;
            flex-shrink: 0;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                width: calc(100% - 16px);
            }
            .nav-dock {
                padding: 6px 10px;
                border-radius: var(--radius-lg);
                flex-wrap: wrap;
                gap: 4px;
            }
            .nav-links {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding: 4px 0;
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .nav-logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 7px 12px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .nav-mobile-toggle {
                display: block;
            }
            .nav-links.collapsed-mobile {
                display: none;
            }
            .nav-links.expanded-mobile {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 4px;
                width: calc(100% - 8px);
            }
            .nav-dock {
                padding: 5px 8px;
                border-radius: var(--radius);
            }
            .nav-links a {
                padding: 5px 8px;
                font-size: 0.7rem;
                border-radius: 12px;
            }
            .nav-logo {
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.7rem;
                border-radius: 12px;
            }
        }

        /* ===== Hero Section - Video Style ===== */
        .hero-video {
            position: relative;
            width: 100%;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: #0a1628;
            margin-top: 0;
        }

        .hero-video-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-video-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.35);
        }

        .hero-video-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 22, 40, 0.55) 0%, rgba(10, 22, 40, 0.75) 40%, rgba(10, 22, 40, 0.9) 100%);
            z-index: 1;
        }

        .hero-video-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 40px 24px;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 3px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 2rem;
            margin-bottom: 28px;
            cursor: pointer;
            transition: all var(--transition-slow);
            animation: pulse-ring 2.5s ease-out infinite;
            position: relative;
        }

        .hero-play-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            border-color: #fff;
            transform: scale(1.08);
            box-shadow: 0 0 60px rgba(255, 255, 255, 0.25);
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
            }
            70% {
                box-shadow: 0 0 0 30px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        .hero-video-content .hero-badge {
            display: inline-block;
            background: rgba(16, 185, 129, 0.2);
            border: 1px solid rgba(16, 185, 129, 0.5);
            color: #6ee7b7;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-video-content h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: #fff;
        }

        .hero-video-content h1 span {
            color: #60a5fa;
        }

        .hero-video-content .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            background: var(--primary);
            color: #fff !important;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(26, 86, 219, 0.4);
            white-space: nowrap;
        }

        .btn-primary-lg:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 28px rgba(26, 86, 219, 0.55);
            transform: translateY(-2px);
            color: #fff !important;
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #fff !important;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline-lg:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff !important;
            transform: translateY(-2px);
        }

        .hero-trust-strip {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .hero-trust-item i {
            color: #6ee7b7;
            font-size: 1rem;
        }

        @media (max-width: 768px) {
            .hero-video {
                min-height: 70vh;
            }
            .hero-video-content h1 {
                font-size: 2rem;
            }
            .hero-video-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-play-btn {
                width: 66px;
                height: 66px;
                font-size: 1.5rem;
                margin-bottom: 20px;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
                border-radius: 24px;
            }
            .hero-trust-strip {
                gap: 16px;
                margin-top: 24px;
            }
            .hero-trust-item {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-video {
                min-height: 60vh;
            }
            .hero-video-content h1 {
                font-size: 1.5rem;
            }
            .hero-video-content .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-play-btn {
                width: 54px;
                height: 54px;
                font-size: 1.2rem;
                margin-bottom: 16px;
                border-width: 2px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .hero-trust-strip {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== Security Pillars - 3 Cards ===== */
        .security-pillars {
            background: var(--surface);
        }

        .pillars-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pillar-card {
            background: var(--bg);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }

        .pillar-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
            background: #fff;
        }

        .pillar-card .pillar-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            flex-shrink: 0;
        }

        .pillar-card .pillar-icon.shield {
            background: #dbeafe;
            color: #1a56db;
        }
        .pillar-card .pillar-icon.lock {
            background: #d1fae5;
            color: #10b981;
        }
        .pillar-card .pillar-icon.scale {
            background: #fef3c7;
            color: #f59e0b;
        }

        .pillar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .pillar-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .pillar-card .pillar-stat {
            margin-top: 16px;
            display: flex;
            align-items: baseline;
            gap: 4px;
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary);
        }

        .pillar-card .pillar-stat small {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .pillars-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .pillar-card {
                padding: 24px 20px;
            }
        }

        /* ===== Detail Block - Image + Text ===== */
        .detail-block {
            background: var(--bg);
        }

        .detail-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .detail-row.reverse {
            direction: rtl;
        }
        .detail-row.reverse .detail-text {
            direction: ltr;
        }
        .detail-row.reverse .detail-image {
            direction: ltr;
        }

        .detail-image img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .detail-text .detail-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .detail-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
            line-height: 1.3;
        }

        .detail-text p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .detail-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .detail-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .detail-features li i {
            color: #10b981;
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .detail-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .detail-row.reverse {
                direction: ltr;
            }
            .detail-text h3 {
                font-size: 1.4rem;
            }
            .detail-image img {
                aspect-ratio: 16/9;
            }
        }

        /* ===== Certifications ===== */
        .certs-section {
            background: var(--surface);
        }

        .certs-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .cert-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
        }

        .cert-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary-light);
            background: #fff;
        }

        .cert-card .cert-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .cert-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .cert-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .certs-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .cert-card {
                padding: 20px 14px;
            }
        }

        @media (max-width: 520px) {
            .certs-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .cert-card {
                padding: 16px 10px;
            }
            .cert-card .cert-icon {
                width: 46px;
                height: 46px;
                font-size: 1.2rem;
            }
            .cert-card h4 {
                font-size: 0.9rem;
            }
        }

        /* ===== Trust Stats ===== */
        .trust-stats {
            background: linear-gradient(135deg, #0f1d3a 0%, #13294b 40%, #0a1628 100%);
            color: #fff;
            padding: 80px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: #60a5fa;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .stat-item .stat-sub {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .trust-stats {
                padding: 50px 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            gap: 12px;
            user-select: none;
        }

        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-slow);
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            padding: 0 24px 18px;
            max-height: 500px;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--surface);
            padding: 80px 0;
        }

        .cta-card {
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 100%);
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-card .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: #fff;
            color: var(--primary) !important;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 1;
        }

        .cta-card .btn-cta-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            background: #f0f7ff;
        }

        @media (max-width: 768px) {
            .cta-card {
                padding: 36px 24px;
                border-radius: var(--radius-xl);
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .cta-card p {
                font-size: 0.95rem;
            }
        }

        /* ===== Bottom Fixed Bar ===== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            flex-wrap: wrap;
        }

        .bottom-fixed-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            white-space: nowrap;
        }

        .bottom-fixed-bar .bar-text i {
            color: #10b981;
            margin-right: 4px;
        }

        .bottom-fixed-bar .btn-bar-cta {
            padding: 10px 24px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 12px rgba(26, 86, 219, 0.35);
        }

        .bottom-fixed-bar .btn-bar-cta:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 20px rgba(26, 86, 219, 0.5);
            transform: translateY(-1px);
            color: #fff !important;
        }

        @media (max-width: 520px) {
            .bottom-fixed-bar {
                padding: 8px 12px;
                gap: 10px;
            }
            .bottom-fixed-bar .bar-text {
                font-size: 0.8rem;
            }
            .bottom-fixed-bar .btn-bar-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f1d3a;
            color: #cbd5e1;
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.65;
            color: #94a3b8;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: #94a3b8;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.8;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .footer-bottom .footer-links a {
            color: #94a3b8;
            font-size: 0.85rem;
        }

        .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }