/* roulang page: index */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }
        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 30px 0;
            }
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.4);
            color: #1a0a3e;
            background: linear-gradient(135deg, #f5d060 0%, #fde68a 50%, #f5d060 100%);
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }
        .btn-outline-brand:hover {
            border-color: var(--brand-accent);
            color: var(--brand-accent);
            background: rgba(232, 184, 48, 0.08);
        }
        .btn-sm-brand {
            padding: 8px 20px;
            font-size: 0.9rem;
            border-radius: 22px;
        }

        .card-elevated {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-elevated:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 184, 48, 0.18);
        }

        .card-glow {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid transparent;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .card-glow::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-gradient-warm);
            border-radius: 3px 3px 0 0;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .card-glow:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-glow:hover::before {
            opacity: 1;
        }

        nav.navbar {
            background: #ffffff;
            box-shadow: 0 1px 12px rgba(26, 10, 62, 0.06);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid var(--border-light);
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--brand-primary) !important;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 0;
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a0a3e;
            font-weight: 900;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 10px 16px !important;
            border-radius: 8px;
            margin: 0 2px;
            transition: all var(--transition-fast);
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--brand-primary) !important;
            background: rgba(26, 10, 62, 0.04);
        }
        .navbar-nav .nav-link.active {
            font-weight: 700;
            color: var(--brand-primary) !important;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--brand-accent);
            border-radius: 3px;
        }
        @media (max-width: 991px) {
            .navbar-nav .nav-link {
                padding: 10px 12px !important;
                font-size: 0.9rem;
            }
            .navbar-collapse {
                background: #ffffff;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 12px 16px;
                box-shadow: var(--shadow-md);
            }
        }

        .hero-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 50px 0 60px;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-section h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }
        .hero-section .hero-desc {
            font-size: 1.1rem;
            color: var(--text-on-dark-muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-section .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-data-panel {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            position: relative;
            z-index: 2;
        }
        .hero-data-panel .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-on-dark);
        }
        .hero-data-panel .data-row:last-child {
            border-bottom: none;
        }
        .hero-data-panel .data-rank {
            font-weight: 700;
            color: var(--brand-accent);
            font-size: 1.1rem;
            min-width: 28px;
        }
        .hero-data-panel .data-name {
            flex: 1;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0 12px;
        }
        .hero-data-panel .data-count {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
        }
        .hero-data-panel .panel-title {
            font-weight: 700;
            font-size: 1rem;
            color: #ffffff;
            margin-bottom: 14px;
            text-align: center;
            letter-spacing: 0.04em;
        }
        @media (max-width: 991px) {
            .hero-section {
                padding: 36px 0 40px;
                min-height: auto;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section .hero-desc {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-data-panel {
                margin-top: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.55rem;
            }
            .hero-section .hero-desc {
                font-size: 0.9rem;
            }
            .hero-section .hero-cta-group {
                flex-direction: column;
                gap: 8px;
            }
            .hero-section .hero-cta-group .btn-brand,
            .hero-section .hero-cta-group .btn-outline-brand {
                width: 100%;
                text-align: center;
            }
        }

        .tier-section {
            background: var(--bg-page);
            position: relative;
        }
        .tier-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(232, 184, 48, 0.3);
        }
        .tier-card.featured {
            border: 2px solid var(--brand-accent);
            box-shadow: var(--shadow-glow);
            transform: scale(1.03);
        }
        .tier-card.featured:hover {
            transform: scale(1.05);
        }
        .tier-card .tier-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 16px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .tier-card .tier-icon {
            font-size: 2.4rem;
            margin-bottom: 12px;
            color: var(--brand-accent);
        }
        .tier-card .tier-name {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .tier-card .tier-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 14px;
            flex: 1;
        }
        .tier-card .tier-highlight {
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--brand-accent);
            margin-bottom: 4px;
        }

        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th {
            background: var(--brand-gradient);
            color: #ffffff;
            font-weight: 700;
            padding: 16px 18px;
            text-align: center;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .compare-table th:first-child {
            text-align: left;
            padding-left: 24px;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 600;
            padding-left: 24px;
            color: var(--text-primary);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .check-icon {
            color: #2ecc71;
            font-weight: 700;
        }
        .compare-table .dash-icon {
            color: #ccc;
        }

        .guarantee-strip {
            background: var(--brand-gradient);
            padding: 28px 0;
            position: relative;
            overflow: hidden;
        }
        .guarantee-strip .strip-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 0;
        }
        .guarantee-strip .strip-icon {
            font-size: 1.5rem;
            color: var(--brand-accent);
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .guarantee-strip .strip-item {
                font-size: 0.85rem;
                gap: 8px;
            }
        }

        .news-section {
            background: var(--bg-section-alt);
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-fast);
        }
        .news-list-item:hover {
            background: rgba(255, 255, 255, 0.5);
            padding-left: 8px;
            border-radius: 8px;
        }
        .news-list-item .news-date {
            flex-shrink: 0;
            background: var(--brand-primary);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-align: center;
            min-width: 80px;
            white-space: nowrap;
        }
        .news-list-item .news-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-list-item .news-info p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-list-item .news-info .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-accent);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-list-item .news-info .read-more:hover {
            color: var(--brand-accent-hover);
        }
        .news-sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .news-sidebar-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--brand-accent);
        }
        .news-sidebar-card .sidebar-link {
            display: block;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .news-sidebar-card .sidebar-link:hover {
            color: var(--brand-accent);
        }
        .news-sidebar-card .sidebar-link:last-child {
            border-bottom: none;
        }

        .promo-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
        }
        .promo-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            transform: translate(80px, -80px);
        }
        .promo-card {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: var(--radius-xl);
            padding: 30px 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            text-align: center;
            color: #ffffff;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .promo-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(232, 184, 48, 0.4);
            transform: translateY(-3px);
        }
        .promo-card .promo-icon {
            font-size: 2.8rem;
            color: var(--brand-accent);
            margin-bottom: 14px;
        }
        .promo-card h3 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .promo-card p {
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 16px;
        }

        .brand-intro-section {
            background: var(--bg-page);
            position: relative;
        }
        .brand-intro-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 32px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro-card .intro-image {
            flex: 0 0 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .brand-intro-card .intro-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .brand-intro-card .intro-text {
            flex: 1;
            min-width: 260px;
        }
        .brand-intro-card .intro-text h3 {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .brand-intro-card .intro-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .brand-intro-card {
                padding: 24px;
                flex-direction: column;
            }
            .brand-intro-card .intro-image {
                flex: 0 0 auto;
                width: 100%;
                max-width: 320px;
            }
        }

        .faq-section {
            background: var(--bg-section-alt);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 184, 48, 0.2);
        }
        .faq-item .faq-question {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item .faq-question .faq-q-icon {
            color: var(--brand-accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 28px;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open {
            border-color: rgba(232, 184, 48, 0.35);
            box-shadow: var(--shadow-md);
        }

        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #ffffff;
            box-shadow: 0 -4px 24px rgba(26, 10, 62, 0.12);
            z-index: 1040;
            padding: 12px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-light);
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
        }
        .floating-cta-bar.visible {
            transform: translateY(0);
        }
        .floating-cta-bar .float-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        @media (max-width: 520px) {
            .floating-cta-bar {
                padding: 10px 16px;
                gap: 10px;
                flex-direction: column;
                text-align: center;
            }
            .floating-cta-bar .float-text {
                font-size: 0.85rem;
            }
        }

        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .entry-matrix .entry-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 22px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            text-decoration: none;
        }
        .entry-matrix .entry-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 184, 48, 0.3);
            color: var(--text-primary);
        }
        .entry-matrix .entry-item .entry-icon {
            font-size: 2rem;
            color: var(--brand-accent);
        }
        .entry-matrix .entry-item .entry-label {
            font-weight: 600;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .entry-matrix .entry-item {
                padding: 16px 10px;
            }
        }

        .ranking-list {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .ranking-list .rank-header {
            background: var(--brand-gradient);
            color: #ffffff;
            padding: 14px 20px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
        }
        .ranking-list .rank-row {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
            gap: 12px;
        }
        .ranking-list .rank-row:hover {
            background: rgba(232, 184, 48, 0.04);
        }
        .ranking-list .rank-row:last-child {
            border-bottom: none;
        }
        .ranking-list .rank-num {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--brand-accent);
            min-width: 32px;
            text-align: center;
        }
        .ranking-list .rank-num.top1 {
            color: #f5a623;
            font-size: 1.3rem;
        }
        .ranking-list .rank-num.top2 {
            color: #a0a0a0;
            font-size: 1.2rem;
        }
        .ranking-list .rank-num.top3 {
            color: #c8945c;
            font-size: 1.1rem;
        }
        .ranking-list .rank-info {
            flex: 1;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .ranking-list .rank-stat {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-light);
            white-space: nowrap;
        }

        .kpi-widget-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .kpi-widget {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }
        .kpi-widget:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .kpi-widget .kpi-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
        }
        .kpi-widget .kpi-label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .kpi-widget-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .kpi-widget .kpi-value {
                font-size: 1.5rem;
            }
        }

        footer.site-footer {
            background: var(--brand-deep);
            color: var(--text-on-dark-muted);
            padding: 40px 0 20px;
            font-size: 0.9rem;
        }
        footer.site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
        }
        footer.site-footer a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        footer.site-footer a:hover {
            color: var(--brand-accent);
        }
        footer.site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 16px;
        }
        footer.site-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            margin-top: 16px;
            font-size: 0.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
        }
        @media (max-width: 520px) {
            footer.site-footer .footer-divider {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        .section-bg-alt {
            background: var(--bg-section-alt);
        }
        .section-bg-dark {
            background: var(--brand-gradient);
            color: #ffffff;
        }
        .section-bg-dark .section-title {
            color: #ffffff;
        }
        .section-bg-dark .section-subtitle {
            color: var(--text-on-dark-muted);
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-accent);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
        }

        .highlight-tag {
            display: inline-block;
            background: rgba(232, 184, 48, 0.15);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 16px;
            letter-spacing: 0.03em;
        }

/* roulang page: category1 */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --shadow-card-hover: 0 12px 36px rgba(26, 10, 62, 0.18);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }

        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }

        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }

        .section-title-light {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .section-subtitle-light {
            font-size: 1.05rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 0;
            max-width: 600px;
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }

        .data-badge-dark {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.15);
            color: #f5d060;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.35);
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.4);
            color: #1a0a3e;
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }

        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid var(--brand-accent);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-outline-brand:hover {
            background: var(--brand-accent);
            color: #1a0a3e;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* 导航样式 */
        .navbar {
            background: #ffffff;
            box-shadow: var(--shadow-sm);
            padding: 10px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--brand-primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            color: #1a0a3e;
            font-size: 1.1rem;
        }

        .navbar-nav .nav-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: var(--bg-section-alt);
        }

        .navbar-nav .nav-link.active {
            color: #ffffff !important;
            background: var(--brand-primary);
            font-weight: 700;
            border-radius: 20px;
        }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
            background: var(--bg-section-alt);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.3);
            outline: none;
        }

        /* 内页Banner */
        .inner-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 10, 62, 0.88) 0%, rgba(45, 27, 105, 0.78) 50%, rgba(26, 10, 62, 0.9) 100%);
            z-index: 1;
        }

        .inner-banner .banner-content {
            position: relative;
            z-index: 2;
        }

        /* 游戏卡片 */
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-accent);
        }

        .game-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-section-alt);
        }

        .game-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .game-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .game-card .card-body-custom {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card .card-tag {
            display: inline-block;
            background: rgba(232, 184, 48, 0.15);
            color: #b08920;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .game-card .card-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .game-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            flex: 1;
        }

        .game-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .game-card .card-meta i {
            color: var(--brand-accent);
        }

        /* 分类标签按钮 */
        .cat-pill {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--bg-card);
            color: var(--text-secondary);
            border: 2px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cat-pill:hover,
        .cat-pill.active {
            background: var(--brand-primary);
            color: #ffffff;
            border-color: var(--brand-primary);
        }

        /* 数据统计卡 */
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-accent);
        }

        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

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

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

        /* 流程步骤 */
        .step-card {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .step-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* 深色区块 */
        .section-dark {
            background: var(--brand-gradient);
            color: var(--text-on-dark);
        }

        /* 特色亮点卡 */
        .feature-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-accent);
        }

        .feature-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

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

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

        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-item .faq-question:hover {
            color: var(--brand-secondary);
        }

        .faq-item .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--brand-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

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

        .faq-item .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 18px;
        }

        .faq-item .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* CTA区块 */
        .cta-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(232, 184, 48, 0.08);
            pointer-events: none;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(232, 184, 48, 0.06);
            pointer-events: none;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-on-dark);
            padding: 50px 0 0;
            font-size: 0.9rem;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            padding: 4px 0;
        }

        .footer-links a:hover {
            color: var(--brand-accent);
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 30px;
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-on-dark-muted);
            justify-content: center;
            text-align: center;
        }

        .footer-divider a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-divider a:hover {
            color: var(--brand-accent);
        }

        .footer-divider span {
            white-space: nowrap;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-title-light {
                font-size: 1.7rem;
            }
            .inner-banner {
                min-height: 340px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 38px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-title-light {
                font-size: 1.45rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .section-subtitle-light {
                font-size: 0.9rem;
            }
            .inner-banner {
                min-height: 280px;
                text-align: center;
            }
            .inner-banner h1 {
                font-size: 1.6rem;
            }
            .game-card .card-body-custom {
                padding: 16px 18px 20px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .step-card {
                padding: 22px 16px;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px;
                border-radius: 8px;
                margin: 2px 0;
            }
            .navbar-nav .nav-link.active {
                border-radius: 8px;
            }
            .cat-pill {
                padding: 8px 16px;
                font-size: 0.8rem;
                border-radius: 22px;
            }
            .footer-divider {
                flex-direction: column;
                gap: 8px;
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 28px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-title-light {
                font-size: 1.3rem;
            }
            .inner-banner {
                min-height: 240px;
            }
            .inner-banner h1 {
                font-size: 1.4rem;
            }
            .btn-brand {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            .btn-outline-brand {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .btn-outline-light {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .game-card .card-title {
                font-size: 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            .feature-card-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
                border-radius: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }

        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }

        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.4);
            color: #1a0a3e;
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }

        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid var(--brand-accent);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-outline-brand:hover {
            background: var(--brand-accent);
            color: #1a0a3e;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .btn-outline-brand:active {
            transform: translateY(0);
        }

        .btn-white {
            display: inline-block;
            background: #ffffff;
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #1a0a3e;
        }

        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--brand-accent);
        }

        .card-glow {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .card-glow::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: var(--radius-xl);
            background: var(--brand-gradient-warm);
            z-index: -1;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

        .card-glow:hover::before {
            opacity: 0.3;
        }

        /* Navigation */
        .navbar {
            background: #ffffff;
            box-shadow: var(--shadow-sm);
            padding: 10px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--brand-primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }

        .navbar-brand:hover {
            color: var(--brand-accent) !important;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            font-size: 1.1rem;
            color: #1a0a3e;
            flex-shrink: 0;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px !important;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
            letter-spacing: 0.01em;
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-accent) !important;
            background: rgba(232, 184, 48, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: #1a0a3e !important;
            background: var(--brand-gradient-warm);
            font-weight: 700;
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.3);
            border-color: var(--brand-accent);
        }

        /* Footer */
        .site-footer {
            background: var(--brand-gradient);
            color: var(--text-on-dark);
            padding: 50px 0 30px;
            margin-top: 0;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .footer-links a:hover {
            color: var(--brand-accent);
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-divider a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-divider a:hover {
            color: var(--brand-accent);
        }

        /* Hero - Group Buy Style */
        .hero-group-buy {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-group-buy::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-group-buy::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }

        .hero-group-buy .container {
            position: relative;
            z-index: 1;
        }

        .group-buy-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-lg);
            border: 2px solid rgba(232, 184, 48, 0.3);
            position: relative;
            overflow: hidden;
        }

        .group-buy-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: var(--brand-gradient-warm);
            border-radius: 50%;
            opacity: 0.25;
            pointer-events: none;
        }

        .group-progress-bar {
            background: #e9ecef;
            border-radius: 20px;
            height: 12px;
            overflow: hidden;
            position: relative;
        }

        .group-progress-fill {
            height: 100%;
            background: var(--brand-gradient-warm);
            border-radius: 20px;
            transition: width 0.6s ease;
            position: relative;
        }

        .group-progress-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 20px;
            height: 100%;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 20px;
        }

        .group-avatar-stack {
            display: flex;
            align-items: center;
        }

        .group-avatar-stack .avatar-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 3px solid #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: #fff;
            margin-right: -10px;
            box-shadow: var(--shadow-sm);
        }

        .avatar-filled {
            background: var(--brand-accent);
            color: #1a0a3e !important;
        }

        .avatar-empty {
            background: #d1d5db;
            color: #9ca3af !important;
        }

        .avatar-plus {
            background: #fff;
            color: var(--brand-accent) !important;
            border: 2px dashed var(--brand-accent) !important;
            font-size: 1rem !important;
        }

        /* Section themes */
        .section-alt {
            background: var(--bg-section-alt);
        }

        .section-dark {
            background: var(--bg-dark-section);
            color: var(--text-on-dark);
        }

        .section-dark .section-title {
            color: #ffffff;
        }

        .section-dark .section-subtitle {
            color: var(--text-on-dark-muted);
        }

        /* Step timeline */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            position: relative;
            padding-bottom: 30px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-number {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            background: var(--brand-gradient-warm);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            color: #1a0a3e;
            box-shadow: var(--shadow-glow);
        }

        .step-connector {
            position: absolute;
            left: 24px;
            top: 54px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--brand-accent), transparent);
        }

        .step-item:last-child .step-connector {
            display: none;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            color: var(--brand-accent);
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        .faq-icon {
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: var(--brand-accent);
        }

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

        /* CTA Section */
        .cta-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 70px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

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

        /* Stats counter */
        .stat-block {
            text-align: center;
            padding: 20px;
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            background: var(--brand-gradient-warm);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        .section-dark .stat-label {
            color: var(--text-on-dark-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .hero-group-buy {
                padding: 50px 0;
                min-height: auto;
            }
            .group-buy-card {
                padding: 28px 22px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .hero-group-buy {
                padding: 35px 0;
                min-height: auto;
            }
            .group-buy-card {
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .btn-brand,
            .btn-outline-brand,
            .btn-white {
                font-size: 0.9rem;
                padding: 10px 22px;
                border-radius: 25px;
            }
            .card-custom,
            .card-glow {
                padding: 20px;
                border-radius: var(--radius-md);
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .step-connector {
                left: 19px;
                top: 44px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .navbar-brand {
                font-size: 1.15rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .footer-divider {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .group-avatar-stack .avatar-circle {
                width: 32px;
                height: 32px;
                font-size: 0.7rem;
                margin-right: -8px;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 30px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .hero-group-buy {
                padding: 25px 0;
            }
            .group-buy-card {
                padding: 20px 14px;
                border-radius: var(--radius-md);
            }
            .btn-brand,
            .btn-outline-brand,
            .btn-white {
                font-size: 0.85rem;
                padding: 9px 18px;
                border-radius: 22px;
                width: 100%;
                text-align: center;
                margin-bottom: 8px;
            }
            .group-buy-card .d-flex.gap-3 {
                flex-direction: column;
            }
            .card-custom,
            .card-glow {
                padding: 18px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .step-item {
                gap: 14px;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .step-connector {
                left: 17px;
                top: 40px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --shadow-glow-strong: 0 6px 36px rgba(232, 184, 48, 0.40);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-2xl: 36px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --flash-red: #e63946;
            --flash-red-dark: #c1121f;
            --flash-gold: #f4a261;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }

        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }

        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }

        .data-badge-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 184, 48, 0.15);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 10px 20px;
            border-radius: 24px;
            border: 2px solid rgba(232, 184, 48, 0.35);
            background: #fffdf5;
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-strong);
            color: #1a0a3e;
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: var(--brand-secondary);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid var(--brand-secondary);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-outline-brand:hover {
            background: var(--brand-secondary);
            color: #ffffff;
            border-color: var(--brand-secondary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-flash {
            display: inline-block;
            background: linear-gradient(135deg, #e63946 0%, #c1121f 100%);
            color: #ffffff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 24px rgba(230, 57, 70, 0.35);
            animation: pulse-flash 2s ease-in-out infinite;
            position: relative;
            overflow: hidden;
        }

        .btn-flash:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 36px rgba(230, 57, 70, 0.5);
            color: #ffffff;
        }

        .btn-flash:active {
            transform: translateY(0);
            animation: none;
        }

        @keyframes pulse-flash {
            0%,
            100% {
                box-shadow: 0 4px 24px rgba(230, 57, 70, 0.35);
            }
            50% {
                box-shadow: 0 8px 40px rgba(230, 57, 70, 0.6);
            }
        }

        /* 导航样式 */
        .navbar {
            background: #ffffff;
            box-shadow: var(--shadow-sm);
            padding: 10px 0;
            z-index: 1050;
            position: sticky;
            top: 0;
            border-bottom: 1px solid var(--border-light);
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--brand-primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            color: #1a0a3e;
            font-size: 1.1rem;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-accent);
            background: rgba(232, 184, 48, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--brand-accent) !important;
            font-weight: 700;
            background: rgba(232, 184, 48, 0.1);
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.25);
            outline: none;
        }

        /* 闪购条 */
        .flash-bar {
            background: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 50%, #1a0a3e 100%);
            color: #ffffff;
            padding: 14px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid var(--brand-accent);
        }

        .flash-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(232, 184, 48, 0.08), transparent);
            animation: shimmer 3s ease-in-out infinite;
        }

        @keyframes shimmer {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }

        .flash-bar-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .flash-bar .flash-icon {
            font-size: 1.5rem;
            animation: bounce-icon 0.6s ease-in-out infinite alternate;
        }

        @keyframes bounce-icon {
            0% {
                transform: translateY(0);
            }
            100% {
                transform: translateY(-6px);
            }
        }

        .flash-bar .flash-text {
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            color: #ffffff;
        }

        .flash-bar .countdown-digits {
            display: inline-flex;
            gap: 6px;
            align-items: center;
        }

        .flash-bar .countdown-digit {
            display: inline-block;
            background: rgba(232, 184, 48, 0.2);
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 1.2rem;
            padding: 4px 10px;
            border-radius: 6px;
            min-width: 36px;
            text-align: center;
            border: 1px solid rgba(232, 184, 48, 0.3);
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .flash-bar .countdown-sep {
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .flash-bar .flash-remaining {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            color: #ffccd5;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 4px 12px;
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        /* Hero主推赛事卡 */
        .hero-event-section {
            background: var(--bg-page);
            padding: 40px 0 60px;
            position: relative;
        }

        .hero-event-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }

        .hero-event-card:hover {
            box-shadow: 0 12px 48px rgba(26, 10, 62, 0.18);
            transform: translateY(-2px);
        }

        .hero-event-card .event-image-col {
            flex: 0 0 42%;
            min-height: 320px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .hero-event-card .event-image-col::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(26, 10, 62, 0.7) 100%);
            pointer-events: none;
        }

        .hero-event-card .event-image-col .image-overlay-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            z-index: 2;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 8px 16px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .hero-event-card .event-info-col {
            flex: 0 0 58%;
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-event-card .event-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.1);
            color: var(--flash-red);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }

        .hero-event-card .event-title {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .hero-event-card .event-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .hero-event-card .event-meta-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .hero-event-card .event-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-event-card .event-meta-item i {
            color: var(--brand-accent);
            font-size: 1rem;
        }

        .hero-event-card .event-prize {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-accent);
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            line-height: 1;
        }

        .hero-event-card .event-prize small {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            letter-spacing: 0;
        }

        /* 卡片通用 */
        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            overflow: hidden;
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--brand-accent);
        }

        .card-custom .card-img-top {
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

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

        .card-custom .card-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .card-custom .card-text {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .card-custom .card-badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        /* 价值主张 */
        .value-prop-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .value-prop-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--brand-accent);
        }

        .value-prop-card .vp-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: var(--brand-gradient);
            border-radius: 16px;
            color: #ffffff;
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .value-prop-card .vp-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .value-prop-card .vp-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 流程步骤 */
        .step-card {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            height: 100%;
            transition: all var(--transition-smooth);
        }

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

        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 800;
            font-size: 1.3rem;
            border-radius: 50%;
            margin-bottom: 12px;
        }

        .step-card .step-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .step-card .step-desc {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 案例卡 */
        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .case-card .case-img {
            height: 180px;
            object-fit: cover;
        }

        .case-card .case-body {
            padding: 18px 20px;
        }

        .case-card .case-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }

        .case-card .case-detail {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 4px;
        }

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

        .accordion-custom .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--bg-card);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(232, 184, 48, 0.05);
            color: var(--brand-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.2);
            outline: none;
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA区域 */
        .cta-section {
            background: var(--brand-gradient);
            color: #ffffff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(232, 184, 48, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(232, 184, 48, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-subtitle {
            font-size: 1.05rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-cta-large {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1.15rem;
            padding: 16px 44px;
            border-radius: 34px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-glow-strong);
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(232, 184, 48, 0.5);
            color: #1a0a3e;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-on-dark);
            padding: 50px 0 30px;
            font-size: 0.9rem;
            border-top: 4px solid var(--brand-accent);
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
        }

        .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .footer-links a:hover {
            color: var(--brand-accent);
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 30px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
            justify-content: center;
            text-align: center;
        }

        .footer-divider a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-divider a:hover {
            color: var(--brand-accent);
        }

        /* 统计数字区 */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }

        .stat-block {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 2px solid var(--border-light);
            min-width: 160px;
            flex: 1;
            transition: all var(--transition-smooth);
        }

        .stat-block:hover {
            border-color: var(--brand-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .stat-block .stat-number {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-block .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
            font-weight: 500;
        }

        /* 场景卡 */
        .scene-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .scene-card .scene-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            background: var(--brand-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.3rem;
        }

        .scene-card .scene-info h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .scene-card .scene-info p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-event-card .event-image-col {
                flex: 0 0 100%;
                min-height: 240px;
                border-radius: var(--radius-xl) var(--radius-xl) 0 0;
            }
            .hero-event-card .event-info-col {
                flex: 0 0 100%;
                padding: 24px 20px;
            }
            .hero-event-card .event-title {
                font-size: 1.4rem;
            }
            .hero-event-card .event-prize {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
            .flash-bar .flash-text {
                font-size: 0.85rem;
            }
            .flash-bar .countdown-digit {
                font-size: 1rem;
                min-width: 28px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
            .hero-event-section {
                padding: 20px 0 40px;
            }
            .hero-event-card .event-image-col {
                min-height: 200px;
            }
            .hero-event-card .event-info-col {
                padding: 20px 16px;
            }
            .hero-event-card .event-title {
                font-size: 1.2rem;
            }
            .hero-event-card .event-prize {
                font-size: 1.5rem;
            }
            .hero-event-card .event-meta-row {
                gap: 10px;
            }
            .flash-bar-inner {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .stat-block {
                min-width: 120px;
                padding: 16px 14px;
            }
            .stat-block .stat-number {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .navbar-nav {
                padding-top: 10px;
            }
            .navbar-nav .nav-link {
                padding: 10px 12px;
            }
            .footer-divider {
                flex-direction: column;
                gap: 6px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section .cta-title {
                font-size: 1.3rem;
            }
            .btn-flash {
                font-size: 0.9rem;
                padding: 12px 24px;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .hero-event-card .event-image-col {
                min-height: 160px;
            }
            .hero-event-card .event-info-col {
                padding: 16px 12px;
            }
            .hero-event-card .event-meta-row {
                flex-direction: column;
                gap: 4px;
            }
            .hero-event-card .event-prize {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
            }
            .btn-brand {
                font-size: 0.9rem;
                padding: 10px 22px;
            }
            .btn-flash {
                font-size: 0.85rem;
                padding: 10px 20px;
            }
            .flash-bar .countdown-digit {
                font-size: 0.85rem;
                min-width: 24px;
                padding: 3px 7px;
            }
            .stats-row {
                gap: 10px;
            }
            .stat-block {
                min-width: 100px;
                padding: 12px 10px;
                flex: 1 1 40%;
            }
            .stat-block .stat-number {
                font-size: 1.2rem;
            }
            .stat-block .stat-label {
                font-size: 0.75rem;
            }
        }

/* roulang page: category4 */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --shadow-gold: 0 8px 36px rgba(232, 184, 48, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }
        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
            text-decoration: none;
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.4);
            color: #1a0a3e;
            text-decoration: none;
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }

        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid var(--brand-accent);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .btn-outline-brand:hover {
            background: var(--brand-accent);
            color: #1a0a3e;
            text-decoration: none;
            box-shadow: var(--shadow-glow);
        }

        .btn-white {
            display: inline-block;
            background: #ffffff;
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            color: #1a0a3e;
            text-decoration: none;
        }

        /* 导航栏 */
        .navbar {
            background: #ffffff;
            box-shadow: var(--shadow-sm);
            padding: 12px 0;
            z-index: 1000;
            position: sticky;
            top: 0;
            border-bottom: 1px solid var(--border-light);
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--brand-primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            color: #1a0a3e;
            font-size: 1.1rem;
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary) !important;
            padding: 8px 16px !important;
            border-radius: 20px;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .navbar-nav .nav-link:hover {
            color: var(--brand-accent) !important;
            background: rgba(232, 184, 48, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: #1a0a3e !important;
            background: rgba(232, 184, 48, 0.18);
            font-weight: 700;
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.25);
        }

        /* Hero */
        .hero-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 60px 0 70px;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(26, 10, 62, 0.7), transparent);
            z-index: 0;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(232, 184, 48, 0.2);
            color: #f5d060;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.35);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 0;
            max-width: 500px;
            line-height: 1.6;
        }

        /* 福利档位卡片 */
        .tier-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            position: relative;
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .tier-card.featured {
            border-color: var(--brand-accent);
            box-shadow: var(--shadow-gold);
            background: linear-gradient(180deg, #fffef8 0%, #ffffff 100%);
            transform: scale(1.04);
            z-index: 2;
        }
        .tier-card.featured:hover {
            transform: scale(1.04) translateY(-4px);
            box-shadow: 0 14px 48px rgba(232, 184, 48, 0.4);
        }
        .tier-card .tier-badge {
            display: inline-block;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .tier-badge-silver {
            background: #e8e8f0;
            color: #5a5a72;
        }
        .tier-badge-gold {
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
        }
        .tier-badge-diamond {
            background: linear-gradient(135deg, #b8c0ff, #d4c5f9);
            color: #2d1b69;
        }
        .tier-card .tier-name {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .tier-card .tier-price {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-primary);
            margin-bottom: 2px;
            letter-spacing: -0.02em;
        }
        .tier-card .tier-price small {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
        }
        .tier-card .tier-desc {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex-grow: 1;
        }
        .tier-card .tier-features li {
            font-size: 0.88rem;
            color: var(--text-secondary);
            padding: 5px 0;
            position: relative;
            padding-left: 22px;
            line-height: 1.5;
        }
        .tier-card .tier-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 6px;
            font-size: 0.7rem;
            color: #4caf50;
        }
        .tier-card.featured .tier-features li::before {
            color: var(--brand-accent);
        }
        .tier-card .tier-btn {
            display: block;
            width: 100%;
            text-align: center;
            padding: 12px 20px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .tier-btn-outline {
            border: 2px solid var(--border-color);
            color: var(--text-secondary);
            background: transparent;
        }
        .tier-btn-outline:hover {
            border-color: var(--brand-accent);
            color: var(--brand-accent);
            text-decoration: none;
        }
        .tier-btn-solid {
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            border: none;
            box-shadow: var(--shadow-glow);
        }
        .tier-btn-solid:hover {
            box-shadow: 0 6px 24px rgba(232, 184, 48, 0.4);
            transform: translateY(-1px);
            color: #1a0a3e;
            text-decoration: none;
        }
        .featured-ribbon {
            position: absolute;
            top: -1px;
            right: 20px;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.7rem;
            padding: 4px 14px;
            border-radius: 0 0 8px 8px;
            letter-spacing: 0.04em;
        }

        /* 通用卡片 */
        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border-color);
        }
        .card-custom .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 14px;
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .card-icon-warm {
            background: rgba(232, 184, 48, 0.15);
            color: var(--brand-accent);
        }
        .card-icon-purple {
            background: rgba(45, 27, 105, 0.1);
            color: var(--brand-secondary);
        }
        .card-icon-green {
            background: rgba(76, 175, 80, 0.1);
            color: #4caf50;
        }
        .card-custom h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* 数据展示 */
        .stat-card {
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--brand-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* 场景卡片 */
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .scenario-card .scenario-body {
            padding: 20px 18px;
        }
        .scenario-card h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* 流程步骤 */
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* 对比表 */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #ffffff;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table thead th {
            background: var(--brand-gradient);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 16px 18px;
            text-align: center;
            letter-spacing: 0.02em;
        }
        .compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table thead th.featured-col {
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
        }
        .compare-table tbody td {
            padding: 14px 18px;
            text-align: center;
            font-size: 0.88rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text-primary);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover td {
            background: #fdfcfa;
        }
        .check-icon {
            color: #4caf50;
            font-size: 1rem;
        }
        .star-icon {
            color: var(--brand-accent);
            font-size: 1rem;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-section-alt);
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            background: #ffffff;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            padding: 18px 20px;
            background: #ffffff;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background: #fdfcfa;
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.2);
            border-color: var(--brand-accent);
        }
        .accordion-custom .accordion-button::after {
            background-size: 14px;
            transition: transform var(--transition-fast);
        }
        .accordion-custom .accordion-body {
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 16px 20px;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 60px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-on-dark);
            padding: 50px 0 20px;
            font-size: 0.9rem;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .site-footer .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--brand-accent);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 30px;
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            font-size: 0.78rem;
            color: var(--text-on-dark-muted);
            justify-content: center;
            text-align: center;
        }
        .footer-divider a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-divider a:hover {
            color: var(--brand-accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.1rem;
            }
            .tier-card.featured {
                transform: scale(1.02);
            }
            .tier-card.featured:hover {
                transform: scale(1.02) translateY(-3px);
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.65rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .tier-card.featured {
                transform: none;
            }
            .tier-card.featured:hover {
                transform: translateY(-3px);
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px !important;
                border-radius: 8px;
            }
            .navbar-collapse {
                background: #ffffff;
                border-radius: var(--radius-md);
                padding: 12px;
                margin-top: 8px;
                box-shadow: var(--shadow-md);
            }
            .footer-divider {
                flex-direction: column;
                gap: 4px;
                align-items: center;
            }
            .site-footer {
                padding: 35px 0 18px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .section-padding {
                padding: 30px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .tier-card {
                padding: 20px 16px;
            }
            .tier-card .tier-price {
                font-size: 1.8rem;
            }
            .btn-brand,
            .btn-white {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category5 */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --shadow-gold: 0 6px 28px rgba(232, 184, 48, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }
        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }
        .section-title-light {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .section-subtitle-light {
            font-size: 1.05rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 0;
            max-width: 600px;
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }
        .data-badge-light {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.4);
            color: #1a0a3e;
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid var(--brand-accent);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }
        .btn-outline-brand:hover {
            background: var(--brand-accent);
            color: #1a0a3e;
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-block;
            background: #ffffff;
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
            color: #1a0a3e;
        }

        /* Navbar */
        .navbar {
            background: #ffffff;
            box-shadow: var(--shadow-sm);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid var(--border-light);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            color: #1a0a3e;
            font-size: 1.1rem;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--brand-accent);
            background: rgba(232, 184, 48, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: #1a0a3e;
            background: rgba(232, 184, 48, 0.18);
            font-weight: 700;
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(232, 184, 48, 0.35);
        }

        /* Flash Sale Bar */
        .flash-sale-bar {
            background: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 50%, #1a0a3e 100%);
            color: #ffffff;
            padding: 14px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid rgba(232, 184, 48, 0.5);
        }
        .flash-sale-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(232, 184, 48, 0.08), transparent);
            animation: flashShine 3s ease-in-out infinite;
        }
        @keyframes flashShine {
            0%,
            100% {
                left: -100%;
            }
            50% {
                left: 100%;
            }
        }
        .flash-sale-bar .flash-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px 24px;
            position: relative;
            z-index: 1;
        }
        .flash-sale-bar .flash-icon {
            font-size: 1.5rem;
            color: var(--brand-accent);
            animation: pulse 1.2s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.25);
            }
        }
        .flash-sale-bar .flash-text {
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }
        .flash-sale-bar .countdown-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .flash-sale-bar .countdown-digit {
            display: inline-block;
            background: rgba(232, 184, 48, 0.2);
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 1.2rem;
            padding: 4px 10px;
            border-radius: 6px;
            min-width: 36px;
            text-align: center;
            border: 1px solid rgba(232, 184, 48, 0.35);
            letter-spacing: 0.04em;
        }
        .flash-sale-bar .countdown-sep {
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .flash-sale-bar .flash-cta {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 7px 20px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .flash-sale-bar .flash-cta:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 20px rgba(232, 184, 48, 0.5);
            color: #1a0a3e;
        }

        /* Hero Section */
        .hero-vip {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 50px 0 60px;
            color: #ffffff;
        }
        .hero-vip::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-vip::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-vip .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-vip .hero-badge {
            display: inline-block;
            background: rgba(232, 184, 48, 0.2);
            color: var(--brand-accent);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.35);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .hero-vip h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: -0.03em;
            line-height: 1.25;
        }
        .hero-vip h1 .gold-text {
            color: var(--brand-accent);
        }
        .hero-vip .hero-desc {
            font-size: 1.1rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 24px;
            max-width: 520px;
            line-height: 1.6;
        }
        .hero-vip .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-vip .hero-stat {
            text-align: center;
        }
        .hero-vip .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-accent);
            letter-spacing: -0.02em;
        }
        .hero-vip .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
            margin-top: 2px;
        }
        .hero-vip .hero-card-feature {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(4px);
            position: relative;
            z-index: 2;
            transition: all var(--transition-smooth);
        }
        .hero-vip .hero-card-feature:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(232, 184, 48, 0.4);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .hero-vip .hero-card-feature .card-highlight {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--brand-accent);
            margin-bottom: 4px;
        }
        .hero-vip .hero-card-feature .card-highlight-label {
            font-weight: 600;
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .hero-vip .hero-card-feature .card-desc {
            font-size: 0.85rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 0;
        }
        .hero-vip .hero-card-feature .original-price {
            text-decoration: line-through;
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            margin-right: 8px;
        }
        .hero-vip .hero-card-feature .flash-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand-accent);
        }

        /* Card Styles */
        .card-premium {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 28px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
        }
        .card-premium:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(232, 184, 48, 0.3);
        }
        .card-premium.featured {
            border: 2px solid var(--brand-accent);
            box-shadow: var(--shadow-gold);
        }
        .card-premium .card-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.5rem;
        }
        .card-premium .card-icon-gold {
            background: rgba(232, 184, 48, 0.15);
            color: var(--brand-accent);
        }
        .card-premium .card-icon-purple {
            background: rgba(45, 27, 105, 0.1);
            color: var(--brand-secondary);
        }
        .card-premium h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .card-premium p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .card-premium .card-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.7rem;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        /* Tier Cards */
        .tier-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .tier-card.tier-gold {
            border: 2px solid var(--brand-accent);
            box-shadow: var(--shadow-gold);
        }
        .tier-card.tier-diamond {
            border: 2px solid #b0c4ff;
            box-shadow: 0 4px 28px rgba(140, 160, 220, 0.25);
        }
        .tier-card .tier-badge {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .tier-badge-silver {
            background: #e8e8ec;
            color: #555;
        }
        .tier-badge-gold {
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
        }
        .tier-badge-diamond {
            background: linear-gradient(135deg, #b0c4ff, #d4e0ff);
            color: #2a3a6e;
        }
        .tier-badge-platinum {
            background: linear-gradient(135deg, #1a0a3e, #2d1b69);
            color: #ffffff;
        }
        .tier-card .tier-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .tier-card .tier-period {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px 0;
            text-align: left;
        }
        .tier-card .tier-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-card .tier-features li i {
            color: var(--brand-accent);
            font-size: 0.75rem;
        }
        .tier-card .tier-features li:last-child {
            border-bottom: none;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--bg-card);
            transition: all var(--transition-fast);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(232, 184, 48, 0.25);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question:hover {
            color: var(--brand-accent);
        }
        .faq-item .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--text-light);
            font-size: 0.8rem;
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--brand-accent);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-answer.show {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: var(--brand-gradient);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
            color: #ffffff;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            color: var(--text-on-dark-muted);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-deep);
            color: #ffffff;
            padding: 40px 0 20px;
            font-size: 0.85rem;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .site-footer .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--brand-accent);
        }
        .site-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 24px;
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            justify-content: center;
            color: var(--text-on-dark-muted);
            font-size: 0.78rem;
        }
        .site-footer .footer-divider a {
            color: var(--text-on-dark-muted);
        }
        .site-footer .footer-divider a:hover {
            color: var(--brand-accent);
        }

        /* Section BG Alt */
        .bg-section-alt {
            background: var(--bg-section-alt);
        }
        .bg-dark-section {
            background: var(--bg-dark-section);
            color: #ffffff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-vip h1 {
                font-size: 2.2rem;
            }
            .hero-vip .hero-stats-row {
                gap: 18px;
            }
            .section-title,
            .section-title-light {
                font-size: 1.6rem;
            }
            .tier-card {
                padding: 24px 16px;
            }
            .tier-card .tier-price {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .hero-vip {
                padding: 32px 0 40px;
            }
            .hero-vip h1 {
                font-size: 1.7rem;
            }
            .hero-vip .hero-desc {
                font-size: 0.95rem;
            }
            .hero-vip .hero-stats-row {
                gap: 12px;
            }
            .hero-vip .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .hero-vip .hero-card-feature {
                padding: 20px 16px;
                margin-top: 16px;
            }
            .hero-vip .hero-card-feature .flash-price {
                font-size: 1.4rem;
            }
            .flash-sale-bar .flash-inner {
                gap: 8px 14px;
                font-size: 0.8rem;
            }
            .flash-sale-bar .countdown-digit {
                font-size: 1rem;
                padding: 3px 7px;
                min-width: 28px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title,
            .section-title-light {
                font-size: 1.35rem;
            }
            .section-subtitle,
            .section-subtitle-light {
                font-size: 0.9rem;
            }
            .tier-card {
                margin-bottom: 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .navbar .container {
                padding-top: 8px;
                padding-bottom: 8px;
            }
            .navbar-nav .nav-link {
                padding: 6px 12px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .hero-vip h1 {
                font-size: 1.4rem;
            }
            .hero-vip .hero-desc {
                font-size: 0.85rem;
            }
            .hero-vip .hero-stats-row {
                gap: 8px;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-vip .hero-stat .stat-num {
                font-size: 1.2rem;
            }
            .hero-vip .hero-card-feature .card-highlight {
                font-size: 1.8rem;
            }
            .flash-sale-bar {
                padding: 10px 0;
            }
            .flash-sale-bar .flash-text {
                font-size: 0.75rem;
            }
            .flash-sale-bar .countdown-digit {
                font-size: 0.85rem;
                padding: 3px 6px;
                min-width: 24px;
            }
            .section-padding {
                padding: 28px 0;
            }
            .section-title,
            .section-title-light {
                font-size: 1.2rem;
            }
            .btn-brand,
            .btn-white,
            .btn-outline-brand {
                font-size: 0.85rem;
                padding: 10px 22px;
            }
            .card-premium {
                padding: 18px 14px;
            }
            .tier-card {
                padding: 18px 12px;
            }
            .site-footer .footer-divider {
                flex-direction: column;
                align-items: center;
                gap: 4px;
            }
        }

/* roulang page: category6 */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }
        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.4);
            color: #1a0a3e;
            background: linear-gradient(135deg, #f0c94d 0%, #f8d870 50%, #f0c94d 100%);
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }

        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid var(--brand-accent);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }
        .btn-outline-brand:hover {
            background: var(--brand-accent);
            color: #1a0a3e;
            border-color: var(--brand-accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(232, 184, 48, 0.35);
        }

        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--brand-accent);
        }

        .card-glow {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 2px solid transparent;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            height: 100%;
        }
        .card-glow::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: var(--radius-xl);
            padding: 2px;
            background: var(--brand-gradient-warm);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .card-glow:hover::before {
            opacity: 1;
        }
        .card-glow:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        /* 导航样式 */
        .navbar {
            background: #ffffff;
            box-shadow: 0 2px 16px rgba(26, 10, 62, 0.08);
            padding: 10px 0;
            z-index: 1050;
            position: sticky;
            top: 0;
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--brand-primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            color: #1a0a3e;
            font-size: 1.1rem;
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 16px !important;
            border-radius: 22px;
            transition: all var(--transition-fast);
            margin: 0 2px;
            letter-spacing: 0.01em;
        }
        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: rgba(26, 10, 62, 0.04);
        }
        .navbar-nav .nav-link.active {
            color: #1a0a3e !important;
            background: var(--brand-gradient-warm);
            font-weight: 700;
            box-shadow: 0 2px 10px rgba(232, 184, 48, 0.3);
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.3);
            outline: none;
        }

        /* Hero */
        .hero-security {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 80px 0 70px;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-security::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-security .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 16px;
        }
        .hero-security h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: -0.03em;
            line-height: 1.2;
        }
        .hero-security .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 24px;
            max-width: 520px;
            line-height: 1.6;
        }

        /* 倒计时环 */
        .countdown-ring-wrapper {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .countdown-item {
            text-align: center;
            position: relative;
        }
        .countdown-ring {
            position: relative;
            width: 90px;
            height: 90px;
        }
        .countdown-ring svg {
            transform: rotate(-90deg);
            width: 90px;
            height: 90px;
        }
        .countdown-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.15);
            stroke-width: 6;
        }
        .countdown-ring .progress-circle {
            fill: none;
            stroke: var(--brand-accent);
            stroke-width: 6;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.5s ease;
        }
        .countdown-number {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
        }
        .countdown-label {
            display: block;
            font-size: 0.75rem;
            color: var(--text-on-dark-muted);
            margin-top: 6px;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        /* 卖点轮播点 */
        .highlight-dots-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .highlight-dot-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 30px;
            padding: 10px 18px;
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            color: var(--text-on-dark-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }
        .highlight-dot-item.active-dot {
            background: rgba(232, 184, 48, 0.2);
            border-color: var(--brand-accent);
            color: #ffffff;
            font-weight: 700;
            box-shadow: 0 0 20px rgba(232, 184, 48, 0.2);
        }
        .highlight-dot-item .dot-indicator {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-accent);
            flex-shrink: 0;
        }
        .highlight-dot-item .dot-indicator.inactive {
            background: rgba(255, 255, 255, 0.3);
        }

        /* 安全价值主张 */
        .value-prop-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 36px 30px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            text-align: center;
        }
        .value-prop-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--brand-accent);
        }
        .value-prop-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: var(--brand-gradient);
            color: var(--brand-accent);
            font-size: 1.6rem;
            margin-bottom: 18px;
            box-shadow: 0 4px 16px rgba(26, 10, 62, 0.2);
        }

        /* 安全技术卡片 */
        .tech-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .tech-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-accent);
            transform: translateY(-3px);
        }
        .tech-card-icon {
            font-size: 2rem;
            color: var(--brand-accent);
            margin-bottom: 4px;
        }
        .tech-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 0;
        }

        /* 认证徽章区 */
        .cert-badge-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
            text-align: center;
            border: 2px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .cert-badge-card:hover {
            border-color: var(--brand-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .cert-badge-icon {
            font-size: 2.6rem;
            color: var(--brand-accent);
            margin-bottom: 12px;
        }
        .cert-badge-card .data-badge {
            margin-bottom: 8px;
        }

        /* 流程步骤 */
        .step-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }
        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: #ffffff;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 14px;
            box-shadow: 0 4px 16px rgba(26, 10, 62, 0.25);
            position: relative;
            z-index: 2;
        }
        .step-connector {
            position: absolute;
            top: 52px;
            left: 60%;
            width: 80%;
            height: 3px;
            background: var(--border-color);
            z-index: 1;
        }
        .step-item:last-child .step-connector {
            display: none;
        }

        /* 数据统计 */
        .stat-highlight {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-number .accent {
            color: var(--brand-accent);
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--bg-card);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--bg-card);
            padding: 18px 22px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background: #fdfaf3;
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.2);
            border-color: var(--brand-accent);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
            padding: 60px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-on-dark);
            padding: 50px 0 30px;
            font-size: 0.9rem;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
        }
        .site-footer .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--brand-accent);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 30px;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
        }
        .footer-divider a {
            color: var(--text-on-dark-muted);
        }
        .footer-divider a:hover {
            color: var(--brand-accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-security h1 {
                font-size: 2.2rem;
            }
            .hero-security {
                padding: 60px 0 50px;
                min-height: auto;
            }
            .countdown-ring {
                width: 70px;
                height: 70px;
            }
            .countdown-ring svg {
                width: 70px;
                height: 70px;
            }
            .countdown-number {
                font-size: 1.3rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .step-connector {
                width: 70%;
                left: 65%;
            }
        }

        @media (max-width: 768px) {
            .hero-security h1 {
                font-size: 1.8rem;
            }
            .hero-security .hero-subtitle {
                font-size: 1rem;
            }
            .countdown-ring-wrapper {
                gap: 12px;
            }
            .countdown-ring {
                width: 60px;
                height: 60px;
            }
            .countdown-ring svg {
                width: 60px;
                height: 60px;
            }
            .countdown-number {
                font-size: 1.1rem;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .highlight-dots-row {
                gap: 8px;
            }
            .highlight-dot-item {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .step-connector {
                display: none;
            }
            .step-item {
                min-width: 140px;
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px !important;
                border-radius: 8px;
            }
            .site-footer {
                padding: 36px 0 22px;
            }
            .footer-divider {
                flex-direction: column;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .hero-security {
                padding: 40px 0 36px;
            }
            .hero-security h1 {
                font-size: 1.5rem;
            }
            .countdown-ring-wrapper {
                gap: 8px;
            }
            .countdown-ring {
                width: 50px;
                height: 50px;
            }
            .countdown-ring svg {
                width: 50px;
                height: 50px;
            }
            .countdown-number {
                font-size: 0.95rem;
            }
            .countdown-label {
                font-size: 0.65rem;
            }
            .highlight-dots-row {
                flex-direction: column;
                gap: 6px;
            }
            .section-padding {
                padding: 30px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .card-custom,
            .card-glow,
            .tech-card,
            .value-prop-card {
                padding: 20px 16px;
            }
            .btn-brand,
            .btn-outline-brand {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category7 */
:root {
            --brand-primary: #1a0a3e;
            --brand-secondary: #2d1b69;
            --brand-accent: #e8b830;
            --brand-accent-hover: #f0c94d;
            --brand-gradient: linear-gradient(135deg, #1a0a3e 0%, #2d1b69 40%, #1a0a3e 100%);
            --brand-gradient-warm: linear-gradient(135deg, #e8b830 0%, #f5d060 50%, #e8b830 100%);
            --brand-deep: #0d0522;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b6b7e;
            --text-on-dark: #e8e8f0;
            --text-on-dark-muted: #b0b0c0;
            --bg-page: #f8f7fc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0edf8;
            --bg-dark-section: #1a0a3e;
            --border-color: #e2ddf0;
            --border-light: #f0ecf8;
            --shadow-sm: 0 2px 8px rgba(26, 10, 62, 0.06);
            --shadow-md: 0 4px 20px rgba(26, 10, 62, 0.10);
            --shadow-lg: 0 8px 40px rgba(26, 10, 62, 0.14);
            --shadow-glow: 0 4px 24px rgba(232, 184, 48, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            padding-top: 76px;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            transition: color var(--transition-fast);
            color: var(--brand-secondary);
        }

        a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }

        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 0;
            max-width: 600px;
        }

        .brand-badge {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 184, 48, 0.12);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232, 184, 48, 0.25);
        }

        .btn-brand {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(232, 184, 48, 0.4);
            color: #1a0a3e;
        }

        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 30px;
            border: 2px solid var(--brand-accent);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-outline-brand:hover {
            background: var(--brand-accent);
            color: #1a0a3e;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .btn-white {
            display: inline-block;
            background: #ffffff;
            color: var(--brand-primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            color: var(--brand-primary);
        }

        /* Navbar */
        .navbar {
            background: rgba(26, 10, 62, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 10px 0;
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.2);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: all var(--transition-smooth);
        }

        .navbar .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.03em;
        }

        .navbar .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-gradient-warm);
            border-radius: 10px;
            color: #1a0a3e;
            font-size: 1.1rem;
        }

        .navbar .navbar-brand:hover {
            color: #ffffff;
            opacity: 0.9;
        }

        .navbar .nav-link {
            color: rgba(255, 255, 255, 0.82);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 22px;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            margin: 0 2px;
        }

        .navbar .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .navbar .nav-link.active {
            color: #1a0a3e;
            background: var(--brand-gradient-warm);
            font-weight: 700;
            box-shadow: 0 2px 12px rgba(232, 184, 48, 0.3);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero */
        .hero-download {
            background: var(--brand-gradient);
            position: relative;
            padding: 80px 0 70px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-download::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-download::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }

        .hero-download .hero-content {
            position: relative;
            z-index: 1;
        }

        .hero-download .hero-badge {
            display: inline-block;
            background: rgba(232, 184, 48, 0.18);
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 24px;
            border: 1px solid rgba(232, 184, 48, 0.35);
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

        .hero-download .hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-download .hero-desc {
            font-size: 1.1rem;
            color: var(--text-on-dark-muted);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .hero-download .hero-download-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 1;
            border: 1px solid var(--border-light);
        }

        .hero-download .hero-download-card .platform-tag {
            display: inline-block;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 4px 12px;
            border-radius: 16px;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .hero-download .hero-download-card .version-info {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .hero-download .hero-download-card .file-size {
            font-size: 0.82rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Platform Cards */
        .platform-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            height: 100%;
        }

        .platform-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-accent);
        }

        .platform-card .platform-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: var(--bg-section-alt);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--brand-secondary);
            transition: all var(--transition-smooth);
        }

        .platform-card:hover .platform-icon {
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            box-shadow: var(--shadow-glow);
        }

        .platform-card .platform-name {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .platform-card .platform-version {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 14px;
        }

        .platform-card .btn-download-sm {
            display: inline-block;
            background: var(--brand-secondary);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 22px;
            border-radius: 24px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }

        .platform-card .btn-download-sm:hover {
            background: var(--brand-accent);
            color: #1a0a3e;
            box-shadow: var(--shadow-glow);
        }

        /* Feature highlight */
        .feature-highlight-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

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

        .feature-highlight-card .feature-icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-secondary);
            margin-bottom: 16px;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
        }

        .feature-highlight-card:hover .feature-icon-circle {
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
        }

        .feature-highlight-card .feature-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .feature-highlight-card .feature-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex-grow: 1;
        }

        /* Steps */
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-gradient-warm);
            color: #1a0a3e;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }

        .step-content h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Stats */
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-secondary);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

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

        /* FAQ */
        .faq-section {
            background: var(--bg-section-alt);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-item .faq-question {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 0;
        }

        .faq-item .faq-question i {
            color: var(--brand-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 10px;
            padding-left: 24px;
            line-height: 1.6;
            display: none;
        }

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

        .faq-item.open {
            border-color: var(--brand-accent);
            box-shadow: var(--shadow-md);
        }

        /* CTA */
        .cta-section {
            background: var(--brand-gradient);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(232, 184, 48, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-cta-group {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-on-dark);
            padding: 50px 0 24px;
            margin-top: 40px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .site-footer .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: var(--brand-accent);
        }

        .site-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 30px;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            font-size: 0.78rem;
            color: var(--text-on-dark-muted);
            justify-content: center;
            text-align: center;
        }

        .site-footer .footer-divider a {
            color: var(--text-on-dark-muted);
        }

        .site-footer .footer-divider a:hover {
            color: var(--brand-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-download .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .faq-section {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section {
                padding: 44px 28px;
                border-radius: var(--radius-lg);
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }
            .hero-download {
                padding: 50px 0 40px;
                min-height: auto;
            }
            .hero-download .hero-title {
                font-size: 1.7rem;
            }
            .hero-download .hero-desc {
                font-size: 0.95rem;
            }
            .hero-download .hero-download-card {
                padding: 20px;
                margin-top: 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .section-padding {
                padding: 36px 0;
            }
            .platform-card {
                padding: 20px 16px;
            }
            .platform-card .platform-icon {
                width: 50px;
                height: 50px;
                font-size: 1.4rem;
            }
            .feature-highlight-card {
                padding: 22px 18px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .faq-section {
                padding: 28px 16px;
                border-radius: var(--radius-md);
            }
            .faq-item {
                padding: 16px 18px;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-md);
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 36px 0 18px;
                text-align: center;
            }
            .site-footer .footer-links {
                justify-content: center;
            }
            .navbar .nav-link {
                padding: 8px 12px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .hero-download .hero-title {
                font-size: 1.45rem;
            }
            .hero-download .hero-desc {
                font-size: 0.88rem;
            }
            .btn-brand,
            .btn-white,
            .btn-outline-brand {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .cta-section .btn-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                flex-direction: column;
                gap: 10px;
                align-items: center;
                text-align: center;
            }
            .step-content {
                text-align: center;
            }
        }