/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a30;
            --primary-light: #1a365d;
            --primary-dark: #060f1e;
            --accent: #d4a843;
            --accent-light: #e8c56a;
            --accent-dark: #b8922e;
            --bg-body: #f5f0e8;
            --bg-card: #ffffff;
            --bg-dark: #0b1a30;
            --bg-section-alt: #ede8de;
            --text-body: #1e293b;
            --text-light: #64748b;
            --text-white: #f8fafc;
            --text-accent: #d4a843;
            --border-color: #e2dcd0;
            --border-accent: #d4a843;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(11, 26, 48, 0.06);
            --shadow-md: 0 8px 30px rgba(11, 26, 48, 0.10);
            --shadow-lg: 0 20px 60px rgba(11, 26, 48, 0.14);
            --shadow-accent: 0 4px 20px rgba(212, 168, 67, 0.30);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--primary);
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 - 悬浮胶囊 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 12px 0;
            background: transparent;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.20);
            padding: 6px 0;
        }
        .nav-capsule {
            background: rgba(11, 26, 48, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 50px;
            padding: 6px 8px;
            border: 1px solid rgba(212, 168, 67, 0.20);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
            transition: all var(--transition);
        }
        .site-header.scrolled .nav-capsule {
            background: rgba(11, 26, 48, 0.92);
            border-color: rgba(212, 168, 67, 0.30);
            box-shadow: 0 6px 32px rgba(0, 0, 0, 0.30);
        }
        .nav-capsule .navbar-brand {
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 0.02em;
            padding: 6px 16px;
            border-radius: 40px;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-capsule .navbar-brand .brand-icon {
            color: var(--accent);
            font-size: 1.4rem;
        }
        .nav-capsule .navbar-brand:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--accent-light);
        }
        .nav-capsule .nav-link {
            color: rgba(255, 255, 255, 0.75) !important;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 8px 18px !important;
            border-radius: 40px;
            transition: all var(--transition);
            position: relative;
        }
        .nav-capsule .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.10);
        }
        .nav-capsule .nav-link.active {
            color: var(--primary) !important;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(212, 168, 67, 0.35);
        }
        .nav-capsule .nav-link.active:hover {
            background: var(--accent-light);
            color: var(--primary) !important;
        }
        .nav-cta-btn {
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 700 !important;
            padding: 8px 24px !important;
            border-radius: 40px !important;
            box-shadow: 0 2px 12px rgba(212, 168, 67, 0.25);
            transition: all var(--transition) !important;
        }
        .nav-cta-btn:hover {
            background: var(--accent-light) !important;
            box-shadow: 0 4px 24px rgba(212, 168, 67, 0.40) !important;
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-white);
            padding: 4px 12px;
            font-size: 1.4rem;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler .fa-bars {
            color: var(--text-white);
        }
        @media (max-width: 991.98px) {
            .nav-capsule {
                border-radius: 24px;
                padding: 8px 12px;
            }
            .nav-capsule .navbar-collapse {
                background: rgba(11, 26, 48, 0.98);
                backdrop-filter: blur(20px);
                border-radius: 20px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(212, 168, 67, 0.15);
            }
            .nav-capsule .nav-link {
                padding: 12px 16px !important;
                border-radius: 12px;
            }
            .nav-cta-btn {
                width: 100%;
                text-align: center;
                margin-top: 4px;
            }
        }
        @media (max-width: 520px) {
            .nav-capsule .navbar-brand {
                font-size: 1.05rem;
                padding: 4px 12px;
            }
            .nav-capsule .navbar-brand .brand-icon {
                font-size: 1.1rem;
            }
            .site-header {
                padding: 8px 0;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: var(--primary);
            position: relative;
            overflow: hidden;
            padding: 120px 0 80px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 80% 70% at 20% 20%, rgba(212, 168, 67, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse 60% 60% at 80% 80%, rgba(26, 54, 93, 0.50) 0%, transparent 60%),
                radial-gradient(ellipse 50% 50% at 50% 50%, rgba(11, 26, 48, 0.90) 0%, transparent 100%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            pointer-events: none;
        }
        .hero-grid-pattern {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(212, 168, 67, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(212, 168, 67, 0.04) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 168, 67, 0.15);
            border: 1px solid rgba(212, 168, 67, 0.25);
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 20px;
            border-radius: 40px;
            letter-spacing: 0.06em;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(212, 168, 67, 0.25);
            border-radius: 4px;
        }
        .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.70);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-actions .btn {
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: var(--primary) !important;
            border: none;
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.30);
        }
        .btn-hero-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 32px rgba(212, 168, 67, 0.45);
            transform: translateY(-2px);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white) !important;
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(212, 168, 67, 0.30);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 48px;
            justify-content: center;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-actions .btn {
                padding: 12px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 20px 32px;
            }
            .hero-stat-item .num {
                font-size: 1.6rem;
            }
            .hero-section {
                padding: 100px 0 60px;
                min-height: auto;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 48px;
            text-align: center;
            line-height: 1.7;
        }
        .section-heading-center {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-heading-center .section-title {
            position: relative;
            display: inline-block;
        }
        .section-heading-center .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .bg-alt {
            background-color: var(--bg-section-alt);
        }
        .bg-dark-section {
            background-color: var(--bg-dark);
            color: var(--text-white);
        }
        .bg-dark-section .section-title {
            color: var(--text-white);
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }
        .bg-dark-section .section-heading-center .section-title::after {
            background: var(--accent);
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border-accent);
        }
        .card-custom .card-body {
            padding: 28px 24px;
        }
        .card-custom .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(212, 168, 67, 0.10);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 16px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .card-custom .card-link {
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            transition: gap var(--transition);
        }
        .card-custom .card-link:hover {
            gap: 12px;
            color: var(--accent-dark);
        }

        /* ===== 分类入口卡片 ===== */
        .cat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: default;
        }
        .cat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: var(--border-accent);
        }
        .cat-card .cat-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(212, 168, 67, 0.10);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin: 0 auto 20px;
            transition: background var(--transition), transform var(--transition);
        }
        .cat-card:hover .cat-icon {
            background: var(--accent);
            color: var(--primary);
            transform: scale(1.05);
        }
        .cat-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cat-card p {
            font-size: 0.90rem;
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .cat-card .btn-cat {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--primary);
            border-radius: 40px;
            padding: 8px 24px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition);
        }
        .cat-card .btn-cat:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
            box-shadow: var(--shadow-accent);
        }

        /* ===== 资讯列表 ===== */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            padding-left: 12px;
        }
        .news-item .news-meta {
            flex-shrink: 0;
            text-align: right;
            min-width: 80px;
        }
        .news-item .news-date {
            font-size: 0.82rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .news-item .news-cat {
            display: inline-block;
            font-size: 0.70rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(212, 168, 67, 0.10);
            padding: 2px 12px;
            border-radius: 20px;
            margin-top: 4px;
        }
        .news-item .news-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .news-item a .news-title:hover {
            color: var(--accent);
        }
        .news-item .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 0;
            }
            .news-item .news-meta {
                text-align: left;
                min-width: auto;
                display: flex;
                align-items: center;
                gap: 12px;
            }
            .news-item:hover {
                padding-left: 8px;
            }
        }

        /* ===== 数据统计块 ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            backdrop-filter: blur(4px);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(212, 168, 67, 0.25);
            transform: translateY(-2px);
        }
        .stat-card .stat-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.90rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-num {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
        }

        /* ===== 排名榜 ===== */
        .rank-table-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .rank-table {
            width: 100%;
            border-collapse: collapse;
        }
        .rank-table thead {
            background: var(--primary);
            color: var(--text-white);
        }
        .rank-table thead th {
            padding: 14px 20px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            text-align: left;
            border: none;
        }
        .rank-table tbody tr {
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition);
        }
        .rank-table tbody tr:last-child {
            border-bottom: none;
        }
        .rank-table tbody tr:hover {
            background: rgba(212, 168, 67, 0.04);
        }
        .rank-table tbody td {
            padding: 14px 20px;
            font-size: 0.92rem;
            vertical-align: middle;
        }
        .rank-table .rank-num {
            font-weight: 800;
            color: var(--primary);
            width: 48px;
        }
        .rank-table .rank-num.gold {
            color: var(--accent);
        }
        .rank-table .rank-num.silver {
            color: #94a3b8;
        }
        .rank-table .rank-num.bronze {
            color: #cd7f32;
        }
        .rank-table .team-name {
            font-weight: 600;
            color: var(--primary);
        }
        .rank-table .team-score {
            font-weight: 700;
            color: var(--accent);
        }
        .rank-table .team-badge {
            display: inline-block;
            font-size: 0.70rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            background: rgba(212, 168, 67, 0.10);
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .rank-table thead th,
            .rank-table tbody td {
                padding: 10px 12px;
                font-size: 0.82rem;
            }
            .rank-table .team-badge {
                font-size: 0.60rem;
                padding: 1px 8px;
            }
        }
        @media (max-width: 520px) {
            .rank-table-wrap {
                overflow-x: auto;
            }
        }

        /* ===== 流程 / 步骤 ===== */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 0 16px;
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            display: block;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-weight: 900;
            font-size: 1.2rem;
            line-height: 48px;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.25);
        }
        .step-item .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--primary);
        }
        .step-item .step-desc {
            font-size: 0.90rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .step-item:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 12px;
            font-size: 1.6rem;
            color: var(--accent);
            opacity: 0.40;
            font-weight: 300;
        }
        @media (max-width: 768px) {
            .step-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .step-item:not(:last-child)::after {
                content: '↓';
                right: auto;
                left: 50%;
                top: auto;
                bottom: -20px;
                transform: translateX(-50%);
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            padding: 18px 24px;
            background: var(--bg-card);
            border: none;
            box-shadow: none;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(212, 168, 67, 0.06);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            filter: brightness(0.4);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
        }
        .faq-accordion .accordion-body {
            padding: 8px 24px 20px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 70% 60% at 30% 50%, rgba(212, 168, 67, 0.08) 0%, transparent 70%),
                radial-gradient(ellipse 50% 50% at 80% 30%, rgba(26, 54, 93, 0.30) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.70);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-content .btn {
            padding: 16px 44px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-cta-primary {
            background: var(--accent);
            color: var(--primary) !important;
            border: none;
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.30);
        }
        .btn-cta-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 32px rgba(212, 168, 67, 0.45);
            transform: translateY(-2px);
        }
        .btn-cta-outline {
            background: transparent;
            color: var(--text-white) !important;
            border: 1px solid rgba(255, 255, 255, 0.20);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-content .btn {
                padding: 14px 32px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .cta-section {
                padding: 56px 0;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.60);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--accent);
        }
        .site-footer .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.50);
        }
        .site-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: all var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.40);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-desc {
                max-width: 100%;
            }
        }

        /* ===== 分隔线 ===== */
        .divider-accent {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 16px 0 24px;
        }
        .divider-accent.center {
            margin: 16px auto 24px;
        }

        /* ===== 通用工具 ===== */
        .text-accent {
            color: var(--accent);
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .gap-16 {
            gap: 16px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .fw-700 {
            font-weight: 700;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 991.98px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-subtitle {
                font-size: 0.88rem;
                margin-bottom: 24px;
            }
            .card-custom .card-body {
                padding: 20px 16px;
            }
        }

        /* ===== 导航占位 ===== */
        body {
            padding-top: var(--nav-height);
        }
        @media (max-width: 991.98px) {
            body {
                padding-top: 72px;
            }
        }

        /* ===== 空状态 ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
            font-size: 1rem;
        }
        .empty-state i {
            font-size: 2.4rem;
            color: var(--border-color);
            margin-bottom: 16px;
            display: block;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-light: #ff6b6b;
            --primary-dark: #c1121f;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #0d1b2a;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #ffffff;
            --border-color: #e8e8f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航胶囊 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(230, 57, 70, 0.08);
            height: var(--nav-height);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
        }

        .nav-capsule {
            padding: 8px 0;
            border-radius: 0;
            background: transparent !important;
        }

        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
        }
        .navbar-brand .brand-icon {
            font-size: 1.8rem;
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 1.4rem;
            color: var(--text-primary);
            background: transparent;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            background: rgba(230, 57, 70, 0.08);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        .nav-link {
            font-weight: 500;
            color: var(--text-secondary) !important;
            padding: 8px 18px !important;
            border-radius: 100px !important;
            transition: var(--transition);
            font-size: 0.95rem;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-link.active {
            color: var(--text-white) !important;
            background: var(--primary) !important;
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.35);
        }
        .nav-link.active:hover {
            background: var(--primary-dark) !important;
        }

        .nav-cta-btn {
            background: var(--primary) !important;
            color: var(--text-white) !important;
            padding: 10px 28px !important;
            border-radius: 100px !important;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.30);
            transition: var(--transition);
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.40);
        }

        /* ===== Hero 直播首屏 ===== */
        .hero-live {
            position: relative;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #162a3e 60%, #1d3557 100%);
            padding: 80px 0 100px;
            overflow: hidden;
            margin-top: calc(var(--nav-height) * -1);
            padding-top: calc(var(--nav-height) + 60px);
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .hero-live::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-live::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(69, 123, 157, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-live .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.20);
            border: 1px solid rgba(230, 57, 70, 0.30);
            color: var(--primary-light);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.75rem;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.85);
            }
        }
        .hero-live h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-live h1 span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-live p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-live-primary {
            background: var(--primary);
            color: var(--text-white) !important;
            padding: 14px 36px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.35);
        }
        .btn-live-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(230, 57, 70, 0.45);
        }
        .btn-live-secondary {
            background: rgba(255, 255, 255, 0.10);
            color: var(--text-white) !important;
            padding: 14px 36px;
            border-radius: 100px;
            font-weight: 500;
            font-size: 1.05rem;
            border: 1px solid rgba(255, 255, 255, 0.20);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(4px);
        }
        .btn-live-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-item .number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .hero-stat-item .number small {
            font-size: 1rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.50);
            margin-left: 4px;
        }
        .hero-stat-item .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 0;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 48px;
        }

        /* ===== 分类标签 ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }
        .category-tab {
            padding: 10px 28px;
            border-radius: 100px;
            font-weight: 500;
            font-size: 0.95rem;
            border: 2px solid var(--border-color);
            background: var(--bg-card);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .category-tab:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .category-tab.active {
            border-color: var(--primary);
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.25);
        }

        /* ===== 直播卡片 ===== */
        .live-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .live-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .live-card-thumb {
            position: relative;
            padding-top: 56%;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .live-card-thumb img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .live-card:hover .live-card-thumb img {
            transform: scale(1.05);
        }
        .live-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--text-white);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
        }
        .live-badge i {
            font-size: 0.6rem;
            animation: pulse-dot 1.8s infinite;
        }
        .live-badge.recorded {
            background: var(--secondary);
            box-shadow: 0 4px 12px rgba(29, 53, 87, 0.30);
        }
        .live-match-info {
            position: absolute;
            bottom: 12px;
            left: 12px;
            right: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-white);
            font-size: 0.85rem;
            font-weight: 500;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.50);
        }
        .live-match-info .score {
            background: rgba(0, 0, 0, 0.60);
            backdrop-filter: blur(8px);
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 1.1rem;
            font-weight: 700;
        }
        .live-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .live-card-body .match-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .live-card-body .match-league {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .live-card-body .match-league i {
            color: var(--primary);
        }
        .live-card-body .match-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .live-card-body .match-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .live-card-body .match-meta i {
            color: var(--primary-light);
            width: 16px;
        }
        .btn-watch {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            align-self: flex-start;
        }
        .btn-watch:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.25);
        }

        /* ===== 赛事流程 ===== */
        .flow-section {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .flow-section .section-title {
            color: var(--text-white);
        }
        .flow-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
            counter-reset: step;
        }
        .flow-step {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            position: relative;
            counter-increment: step;
        }
        .flow-step:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }
        .flow-step .step-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--text-white);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.30);
        }
        .flow-step .step-num {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 6px;
        }
        .flow-step h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .flow-step p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .stat-card .stat-number .unit {
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--text-light);
            margin-left: 2px;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-card);
        }
        .accordion-item {
            border: 1px solid var(--border-color) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: transparent;
        }
        .accordion-button {
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 24px;
            font-size: 1rem;
            background: transparent;
            box-shadow: none !important;
            border-radius: var(--radius-sm) !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .accordion-button::after {
            background-size: 16px;
            transition: var(--transition);
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid var(--primary-light);
            outline-offset: -3px;
        }
        .accordion-body {
            padding: 8px 24px 20px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .btn-cta-light {
            background: var(--text-white);
            color: var(--primary) !important;
            padding: 16px 48px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
        }
        .btn-cta-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
            background: var(--bg-light);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 60px 0 30px;
        }
        .site-footer .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            font-size: 1.8rem;
            color: var(--primary);
        }
        .site-footer .footer-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.50);
            line-height: 1.8;
            max-width: 320px;
        }
        .site-footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-live h1 {
                font-size: 2.6rem;
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            body {
                padding-top: var(--nav-height);
            }
            .hero-live {
                padding-top: calc(var(--nav-height) + 40px);
                padding-bottom: 60px;
                min-height: auto;
            }
            .hero-live h1 {
                font-size: 2rem;
            }
            .hero-live p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
                margin-top: 32px;
                padding-top: 20px;
            }
            .hero-stat-item .number {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .btn-cta-light {
                padding: 14px 32px;
                font-size: 1rem;
            }
            .site-footer .footer-brand {
                font-size: 1.3rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .category-tabs {
                gap: 8px;
            }
            .category-tab {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .nav-link {
                padding: 8px 16px !important;
                font-size: 0.9rem;
            }
            .navbar-brand {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .hero-live h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-live-primary,
            .hero-actions .btn-live-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .live-card-body {
                padding: 16px 18px 18px;
            }
            .live-card-body .match-title {
                font-size: 1rem;
            }
            .flow-step {
                padding: 24px 16px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-soft-primary {
            background: rgba(230, 57, 70, 0.04);
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e3a5f;
            --primary-light: #2d5a8e;
            --primary-dark: #0f2440;
            --secondary: #c9a84c;
            --secondary-light: #e8d48b;
            --secondary-dark: #a8882a;
            --accent: #f0b429;
            --bg: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #1a2a3a;
            --bg-footer: #0f1a2e;
            --text: #2c3e50;
            --text-light: #6c757d;
            --text-white: #f0f2f5;
            --border: #e9ecef;
            --border-light: #f0f0f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --line-height: 1.7;
            --container-max: 1200px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: var(--line-height);
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text);
        }
        ul, ol {
            padding-left: 1.25rem;
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== 胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 0.75rem 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.06);
        }
        .nav-capsule {
            background: transparent !important;
            padding: 0 !important;
            border-radius: 0 !important;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary) !important;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .navbar-brand .brand-icon {
            font-size: 1.6rem;
            color: var(--secondary);
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--secondary);
        }
        .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text) !important;
            padding: 0.5rem 1rem !important;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--primary) !important;
            background: rgba(30, 58, 95, 0.06);
        }
        .nav-link.active {
            color: #ffffff !important;
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(30, 58, 95, 0.25);
        }
        .nav-link.active:hover {
            background: var(--primary-light);
            color: #fff !important;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)) !important;
            color: #1a2a3a !important;
            font-weight: 600 !important;
            padding: 0.5rem 1.25rem !important;
            border-radius: 50px !important;
            box-shadow: 0 4px 14px rgba(201, 168, 76, 0.35);
            transition: var(--transition);
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.45);
            color: #0f1a2e !important;
        }

        /* ===== 文章主体区 ===== */
        .article-wrapper {
            padding-top: 6.5rem;
            padding-bottom: 3rem;
        }

        /* 面包屑 */
        .breadcrumb-area {
            padding: 1rem 0 0.5rem;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb-area .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-area .breadcrumb-item + .breadcrumb-item::before {
            color: var(--text-light);
            content: "›";
        }
        .breadcrumb-area .breadcrumb-item a {
            color: var(--primary-light);
        }
        .breadcrumb-area .breadcrumb-item.active {
            color: var(--text-light);
        }

        /* 文章头部 */
        .article-header {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border);
        }
        .article-header h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem 1.5rem;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .article-meta .meta-item i {
            font-size: 0.85rem;
            color: var(--secondary);
        }
        .article-meta .badge-category {
            background: var(--primary);
            color: #fff;
            padding: 0.2rem 0.9rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .article-meta .badge-category:hover {
            background: var(--primary-light);
        }
        .article-thumb-wrap {
            margin-bottom: 2rem;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-thumb-wrap img {
            width: 100%;
            display: block;
            object-fit: cover;
            max-height: 480px;
        }

        /* 文章正文 */
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-content p {
            margin-bottom: 1.25rem;
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin-top: 1.75rem;
            margin-bottom: 0.75rem;
            color: var(--primary-dark);
        }
        .article-content blockquote {
            border-left: 4px solid var(--secondary);
            padding: 0.75rem 1.25rem;
            margin: 1.5rem 0;
            background: rgba(201, 168, 76, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25rem;
        }
        .article-content li {
            margin-bottom: 0.35rem;
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
            margin: 1.25rem 0;
            box-shadow: var(--shadow);
        }
        .article-content a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--secondary-dark);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .article-content th,
        .article-content td {
            padding: 0.6rem 1rem;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-content th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .article-content td {
            background: #fff;
        }
        .article-content code {
            background: #f0f2f5;
            padding: 0.15rem 0.5rem;
            border-radius: 4px;
            font-size: 0.9em;
            color: #c7254e;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        /* 文章标签 */
        .article-tags {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
        }
        .article-tags .tag-label {
            font-weight: 600;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-right: 0.25rem;
        }
        .article-tags .tag-item {
            display: inline-block;
            background: rgba(30, 58, 95, 0.06);
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .article-tags .tag-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 文章未找到 */
        .article-not-found {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .article-not-found .nf-icon {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
        }
        .article-not-found h2 {
            font-size: 1.75rem;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }
        .article-not-found p {
            color: var(--text-light);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
        }
        .article-not-found .btn-home {
            background: var(--primary);
            color: #fff;
            padding: 0.6rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .article-not-found .btn-home:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(30, 58, 95, 0.3);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 3rem 0;
            background: var(--bg);
        }
        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .related-section .section-title i {
            color: var(--secondary);
            font-size: 1.3rem;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .rc-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            background: var(--border-light);
        }
        .related-card .rc-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }
        .related-card .rc-cat {
            font-size: 0.75rem;
            color: var(--secondary-dark);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: 0.35rem;
        }
        .related-card .rc-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.4;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .rc-title a {
            color: inherit;
        }
        .related-card .rc-title a:hover {
            color: var(--primary-light);
        }
        .related-card .rc-date {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 3.5rem 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 1.5rem;
        }
        .cta-section .btn-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 0.75rem 2.5rem;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.4);
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.55);
            background: var(--secondary-light);
            color: var(--primary-dark);
        }
        .cta-section .btn-cta i {
            margin-right: 0.5rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 0;
            font-size: 0.95rem;
        }
        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--secondary);
        }
        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.9rem;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.25rem 0;
            margin-top: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.5rem 1rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-header h1 {
                font-size: 1.9rem;
            }
            .related-card .rc-thumb {
                height: 160px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 0.5rem 0;
            }
            .navbar-brand {
                font-size: 1.2rem;
            }
            .article-wrapper {
                padding-top: 5.5rem;
            }
            .article-header h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 0.5rem 1rem;
                font-size: 0.85rem;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-content table {
                font-size: 0.85rem;
            }
            .article-content th,
            .article-content td {
                padding: 0.4rem 0.6rem;
            }
            .related-section .section-title {
                font-size: 1.3rem;
            }
            .related-card .rc-thumb {
                height: 140px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .site-footer .footer-brand {
                font-size: 1.3rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .article-header h1 {
                font-size: 1.35rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.35rem;
            }
            .article-content {
                font-size: 0.95rem;
            }
            .article-content blockquote {
                padding: 0.5rem 1rem;
            }
            .related-card .rc-thumb {
                height: 120px;
            }
            .related-card .rc-body {
                padding: 1rem;
            }
            .related-card .rc-title {
                font-size: 0.95rem;
            }
            .cta-section h2 {
                font-size: 1.2rem;
            }
            .cta-section .btn-cta {
                padding: 0.6rem 1.8rem;
                font-size: 0.95rem;
            }
            .site-footer {
                padding: 2.5rem 0 0;
            }
            .nav-link {
                font-size: 0.9rem;
                padding: 0.4rem 0.8rem !important;
            }
        }

        /* ===== 辅助类 ===== */
        .bg-soft-primary {
            background: rgba(30, 58, 95, 0.04);
        }
        .text-gold {
            color: var(--secondary);
        }
        .shadow-hoverable {
            transition: var(--transition);
        }
        .shadow-hoverable:hover {
            box-shadow: var(--shadow-hover);
        }
        .rounded-capsule {
            border-radius: 50px;
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4379;
            --primary-dark: #0f1a4a;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a20;
            --accent: #3b82f6;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-white: #f8fafc;
            --border-color: #e2e8f0;
            --border-radius: 16px;
            --border-radius-sm: 10px;
            --border-radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 16px 48px rgba(26, 42, 108, 0.12);
            --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 0.5em;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 胶囊导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .nav-capsule {
            background: transparent !important;
            padding: 0;
            box-shadow: none !important;
        }
        .nav-capsule .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.3px;
            padding: 0;
        }
        .nav-capsule .navbar-brand .brand-icon {
            color: var(--secondary);
            font-size: 1.5rem;
        }
        .nav-capsule .navbar-nav .nav-item .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            padding: 8px 18px;
            border-radius: 40px;
            transition: var(--transition);
            position: relative;
        }
        .nav-capsule .navbar-nav .nav-item .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
        }
        .nav-capsule .navbar-nav .nav-item .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(26, 42, 108, 0.25);
        }
        .nav-capsule .navbar-nav .nav-item .nav-link.active:hover {
            background: var(--primary-light);
        }
        .nav-capsule .navbar-nav .nav-item .nav-cta-btn {
            background: var(--secondary);
            color: #fff !important;
            padding: 8px 24px;
            border-radius: 40px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(232, 168, 56, 0.30);
        }
        .nav-capsule .navbar-nav .nav-item .nav-cta-btn:hover {
            background: var(--secondary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 168, 56, 0.40);
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 4px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }
        @media (max-width: 991.98px) {
            .nav-capsule .navbar-nav {
                background: var(--bg-card);
                padding: 16px 12px;
                border-radius: var(--border-radius);
                box-shadow: var(--shadow-lg);
                margin-top: 12px;
                border: 1px solid var(--border-color);
            }
            .nav-capsule .navbar-nav .nav-item .nav-link {
                padding: 10px 16px;
                border-radius: 30px;
            }
            .nav-capsule .navbar-nav .nav-item .nav-cta-btn {
                margin-top: 6px;
                text-align: center;
            }
        }

        /* ===== Hero 区 ===== */
        .help-hero {
            padding: 100px 0 80px;
            background: linear-gradient(145deg, #f0f4ff 0%, #e8edf8 100%);
            position: relative;
            overflow: hidden;
        }
        .help-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(26, 42, 108, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .help-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 168, 56, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .help-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .help-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .help-hero .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .help-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .help-hero .hero-actions .btn {
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .help-hero .hero-actions .btn-primary {
            background: var(--primary);
            border: none;
            color: #fff;
            box-shadow: 0 6px 20px rgba(26, 42, 108, 0.25);
        }
        .help-hero .hero-actions .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(26, 42, 108, 0.30);
        }
        .help-hero .hero-actions .btn-outline-primary {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .help-hero .hero-actions .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-divider {
            width: 50px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin: 0 auto 16px;
        }
        .bg-soft {
            background: #f1f5f9;
        }
        .bg-white {
            background: var(--bg-card);
        }

        /* ===== 登录方式卡片 ===== */
        .login-method-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 36px 28px 32px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .login-method-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .login-method-card .icon-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: #fff;
            transition: var(--transition);
        }
        .login-method-card:nth-child(1) .icon-circle {
            background: linear-gradient(135deg, #1a2a6c, #2d4379);
        }
        .login-method-card:nth-child(2) .icon-circle {
            background: linear-gradient(135deg, #e8a838, #f0c060);
        }
        .login-method-card:nth-child(3) .icon-circle {
            background: linear-gradient(135deg, #3b82f6, #60a5fa);
        }
        .login-method-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .login-method-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .login-method-card .method-tag {
            display: inline-block;
            background: rgba(26, 42, 108, 0.06);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== 注册流程 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            margin-bottom: 32px;
            position: relative;
        }
        .step-item:last-child {
            margin-bottom: 0;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.15rem;
            box-shadow: 0 4px 12px rgba(26, 42, 108, 0.20);
            position: relative;
            z-index: 2;
        }
        .step-item::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 52px;
            bottom: -12px;
            width: 2px;
            background: var(--border-color);
            z-index: 1;
        }
        .step-item:last-child::before {
            display: none;
        }
        .step-content {
            flex: 1;
            padding-top: 6px;
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .step-content p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 40px 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .step-card .step-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(26, 42, 108, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 18px;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm) !important;
            margin-bottom: 12px;
            background: var(--bg-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--bg-card);
            padding: 18px 24px;
            border: none;
            box-shadow: none !important;
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.03);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: var(--transition);
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-card);
        }

        /* ===== 安全建议 ===== */
        .safety-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .safety-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .safety-card .safety-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(232, 168, 56, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .safety-card:hover .safety-icon {
            background: var(--secondary);
            color: #fff;
        }
        .safety-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .safety-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(145deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 540px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            background: var(--secondary);
            border: none;
            color: #fff;
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(232, 168, 56, 0.35);
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(232, 168, 56, 0.45);
        }
        .cta-section .btn-cta:focus-visible {
            outline: 3px solid #fff;
            outline-offset: 4px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }
        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .site-footer .footer-desc {
            font-size: 0.92rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .site-footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom span {
            margin: 4px 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .help-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .help-hero {
                padding: 70px 0 50px;
            }
            .help-hero h1 {
                font-size: 1.8rem;
            }
            .help-hero .lead {
                font-size: 1rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
            .login-method-card {
                padding: 28px 20px 24px;
            }
            .step-card {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .site-footer .footer-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .help-hero h1 {
                font-size: 1.5rem;
            }
            .help-hero .hero-actions .btn {
                padding: 10px 24px;
                font-size: 0.9rem;
                width: 100%;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .step-content h4 {
                font-size: 1rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-accordion .accordion-body {
                padding: 0 16px 16px;
                font-size: 0.88rem;
            }
            .safety-card {
                padding: 20px 16px;
            }
            .login-method-card .icon-circle {
                width: 60px;
                height: 60px;
                font-size: 1.4rem;
            }
            .nav-capsule .navbar-brand {
                font-size: 1.1rem;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gold {
            color: var(--secondary);
        }
        .shadow-hover-card {
            transition: var(--transition);
        }
        .shadow-hover-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .rounded-16 {
            border-radius: var(--border-radius);
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e2a5e;
            --primary-light: #2d3f8a;
            --primary-dark: #0f1a3d;
            --accent: #f0b90b;
            --accent-hover: #d4a308;
            --accent-light: #fce38a;
            --bg-body: #f5f7fc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f1a3d;
            --bg-section-alt: #eef1f8;
            --text-primary: #1a1f36;
            --text-secondary: #4a5068;
            --text-light: #7a8098;
            --text-white: #ffffff;
            --border-color: #e2e6f0;
            --border-light: #f0f2f8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(30, 42, 94, 0.06);
            --shadow-md: 0 8px 30px rgba(30, 42, 94, 0.08);
            --shadow-lg: 0 20px 60px rgba(30, 42, 94, 0.12);
            --shadow-xl: 0 30px 80px rgba(30, 42, 94, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 导航胶囊 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 14px 0 10px;
            background: transparent;
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 4px 30px rgba(30, 42, 94, 0.08);
            padding: 8px 0 6px;
        }
        .nav-capsule {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 60px;
            padding: 6px 24px;
            box-shadow: 0 4px 24px rgba(30, 42, 94, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .site-header.scrolled .nav-capsule {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 6px 32px rgba(30, 42, 94, 0.10);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary) !important;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
        }
        .navbar-brand .brand-icon {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            color: var(--primary);
            font-size: 1.4rem;
            padding: 4px 8px;
            border-radius: 10px;
            transition: var(--transition);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .navbar-toggler:hover {
            background: rgba(30, 42, 94, 0.06);
        }
        .navbar-nav .nav-item {
            margin: 0 2px;
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-secondary) !important;
            padding: 8px 18px;
            border-radius: 40px;
            transition: var(--transition);
            letter-spacing: 0.2px;
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(30, 42, 94, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            background: rgba(30, 42, 94, 0.10);
            font-weight: 700;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-cta-btn {
            background: var(--primary) !important;
            color: var(--text-white) !important;
            padding: 10px 24px !important;
            border-radius: 40px !important;
            font-weight: 700 !important;
            box-shadow: 0 4px 14px rgba(30, 42, 94, 0.20);
            transition: var(--transition);
        }
        .nav-cta-btn:hover {
            background: var(--primary-light) !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(30, 42, 94, 0.25);
        }
        .nav-cta-btn.active {
            background: var(--primary) !important;
            color: var(--text-white) !important;
        }
        .nav-cta-btn.active::after {
            display: none !important;
        }
        @media (max-width: 991.98px) {
            .site-header {
                padding: 10px 0 6px;
            }
            .nav-capsule {
                border-radius: 20px;
                padding: 10px 16px;
            }
            .navbar-nav {
                padding: 12px 0 8px;
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px;
                font-size: 0.95rem;
                border-radius: 12px;
            }
            .navbar-nav .nav-link.active::after {
                bottom: 4px;
                width: 16px;
                height: 2px;
            }
            .nav-cta-btn {
                margin-top: 6px;
                text-align: center;
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .navbar-brand {
                font-size: 1.1rem;
            }
            .navbar-brand .brand-icon {
                font-size: 1.2rem;
            }
            .nav-capsule {
                padding: 6px 12px;
                border-radius: 16px;
            }
        }

        /* ===== Hero ===== */
        .rank-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .rank-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 185, 11, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .rank-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .rank-hero .container {
            position: relative;
            z-index: 2;
        }
        .rank-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 185, 11, 0.15);
            border: 1px solid rgba(240, 185, 11, 0.25);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .rank-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .rank-hero h1 span {
            color: var(--accent);
        }
        .rank-hero .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 580px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .rank-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 48px;
            margin-top: 12px;
        }
        .rank-hero .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .rank-hero .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .rank-hero .hero-stat-item .stat-number i {
            color: var(--accent);
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .rank-hero .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        @media (max-width: 768px) {
            .rank-hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .rank-hero h1 {
                font-size: 2.2rem;
            }
            .rank-hero .hero-sub {
                font-size: 1rem;
            }
            .rank-hero .hero-stats {
                gap: 20px 32px;
            }
            .rank-hero .hero-stat-item .stat-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 576px) {
            .rank-hero h1 {
                font-size: 1.7rem;
            }
            .rank-hero .hero-stats {
                gap: 16px 24px;
            }
            .rank-hero .hero-stat-item .stat-number {
                font-size: 1.3rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== 排名核心指标 ===== */
        .rank-metrics {
            background: var(--bg-white);
        }
        .metric-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
            height: 100%;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .metric-card .metric-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
        }
        .metric-card .metric-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .metric-card .metric-label {
            font-size: 0.92rem;
            color: var(--text-light);
            font-weight: 500;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .metric-card {
                padding: 20px 16px;
            }
            .metric-card .metric-number {
                font-size: 1.8rem;
            }
        }

        /* ===== 实时排名榜单 ===== */
        .rank-list-section {
            background: var(--bg-section-alt);
        }
        .rank-table-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        .rank-table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            background: var(--primary);
            color: var(--text-white);
        }
        .rank-table-header h3 {
            color: var(--text-white);
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rank-table-header h3 i {
            color: var(--accent);
        }
        .rank-table-header .badge-update {
            background: rgba(255, 255, 255, 0.15);
            color: var(--text-white);
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 40px;
            font-weight: 500;
        }
        .rank-table-body {
            padding: 8px 0;
        }
        .rank-row {
            display: flex;
            align-items: center;
            padding: 14px 28px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            gap: 12px;
        }
        .rank-row:last-child {
            border-bottom: none;
        }
        .rank-row:hover {
            background: rgba(30, 42, 94, 0.02);
        }
        .rank-row .rank-number {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-light);
            min-width: 40px;
            text-align: center;
        }
        .rank-row .rank-number.top1 {
            color: var(--accent);
        }
        .rank-row .rank-number.top2 {
            color: #b0b8c8;
        }
        .rank-row .rank-number.top3 {
            color: #cd7f32;
        }
        .rank-row .rank-team {
            flex: 1;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rank-row .rank-team .team-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .rank-row .rank-score {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            min-width: 60px;
            text-align: center;
        }
        .rank-row .rank-change {
            min-width: 44px;
            text-align: center;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .rank-row .rank-change.up {
            color: #22a67e;
        }
        .rank-row .rank-change.down {
            color: #e74c3c;
        }
        .rank-row .rank-change.same {
            color: var(--text-light);
        }
        .rank-row .rank-winrate {
            min-width: 70px;
            text-align: center;
            font-size: 0.88rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .rank-table-header {
                padding: 14px 18px;
                flex-wrap: wrap;
                gap: 8px;
            }
            .rank-table-header h3 {
                font-size: 1rem;
            }
            .rank-row {
                padding: 10px 16px;
                flex-wrap: wrap;
                gap: 6px;
            }
            .rank-row .rank-number {
                min-width: 28px;
                font-size: 0.9rem;
            }
            .rank-row .rank-team {
                font-size: 0.88rem;
            }
            .rank-row .rank-team .team-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
            }
            .rank-row .rank-score {
                min-width: 40px;
                font-size: 0.88rem;
            }
            .rank-row .rank-winrate {
                min-width: 50px;
                font-size: 0.8rem;
            }
            .rank-row .rank-change {
                min-width: 30px;
                font-size: 0.78rem;
            }
        }
        @media (max-width: 576px) {
            .rank-row {
                padding: 8px 12px;
                gap: 4px;
            }
            .rank-row .rank-team {
                font-size: 0.82rem;
                gap: 6px;
            }
            .rank-row .rank-team .team-icon {
                width: 22px;
                height: 22px;
                font-size: 0.6rem;
            }
            .rank-row .rank-score {
                font-size: 0.82rem;
                min-width: 32px;
            }
        }

        /* ===== 排名维度 ===== */
        .dimension-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .dimension-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-light);
        }
        .dimension-card .dim-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--text-white);
            font-size: 1.6rem;
            box-shadow: 0 8px 24px rgba(30, 42, 94, 0.15);
        }
        .dimension-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .dimension-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .dimension-card .dim-tag {
            display: inline-block;
            margin-top: 12px;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 40px;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .dimension-card {
                padding: 20px 16px;
            }
            .dimension-card .dim-icon {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
            .dimension-card h4 {
                font-size: 1rem;
            }
        }

        /* ===== 排名价值 ===== */
        .value-section {
            background: var(--bg-white);
        }
        .value-card {
            display: flex;
            gap: 20px;
            padding: 24px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            align-items: flex-start;
        }
        .value-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .value-card .value-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(240, 185, 11, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.3rem;
        }
        .value-card .value-content h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .value-card .value-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .value-card {
                padding: 18px 16px;
                gap: 14px;
            }
            .value-card .value-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            .value-card .value-content h5 {
                font-size: 0.95rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section-alt);
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"]::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-question:hover {
            background: rgba(30, 42, 94, 0.02);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(240, 185, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: var(--primary-dark) !important;
            font-weight: 700;
            padding: 14px 44px;
            border-radius: 60px;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 8px 32px rgba(240, 185, 11, 0.30);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(240, 185, 11, 0.40);
        }
        .cta-section .btn-outline-cta {
            background: transparent;
            color: var(--text-white) !important;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 60px;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-left: 12px;
        }
        .cta-section .btn-outline-cta:hover {
            border-color: var(--accent);
            color: var(--accent) !important;
            background: rgba(240, 185, 11, 0.08);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta {
                padding: 12px 32px;
                font-size: 0.95rem;
            }
            .cta-section .btn-outline-cta {
                padding: 12px 28px;
                font-size: 0.9rem;
                margin-left: 8px;
                margin-top: 8px;
            }
        }
        @media (max-width: 576px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section .btn-cta,
            .cta-section .btn-outline-cta {
                width: 100%;
                justify-content: center;
                margin-left: 0;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }
        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 340px;
        }
        .site-footer h5 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* ===== 回到顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            border: none;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            z-index: 1040;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            background: var(--primary-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            color: var(--text-white);
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

        /* ===== Bootstrap 5 覆盖 ===== */
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            border-radius: 40px;
            font-weight: 600;
            padding: 10px 28px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(30, 42, 94, 0.20);
        }
        .btn-outline-primary {
            color: var(--primary);
            border-color: var(--primary);
            border-radius: 40px;
            font-weight: 600;
            padding: 10px 28px;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .card {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
        }
        .badge {
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
        }
        .badge-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }