/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b3d;
            --primary-light: #1a2d5e;
            --primary-dark: #0a1228;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c98a1e;
            --bg-white: #ffffff;
            --bg-light: #f5f7fb;
            --bg-dark: #0b1120;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 6px 24px rgba(232, 168, 56, 0.30);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --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);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg-white);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        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: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 32px; border-radius: var(--radius);
            font-weight: 600; font-size: 16px; line-height: 1;
            border: none; cursor: pointer; transition: var(--transition);
            text-decoration: none; white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent); color: var(--primary-dark);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--accent-light); color: var(--primary-dark);
            transform: translateY(-3px); box-shadow: 0 10px 30px rgba(232, 168, 56, 0.40);
        }
        .btn-outline {
            background: transparent; color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.35);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.10); border-color: var(--accent);
            color: var(--accent); transform: translateY(-3px);
        }
        .btn-light {
            background: var(--bg-white); color: var(--primary);
            box-shadow: var(--shadow);
        }
        .btn-light:hover {
            background: var(--accent); color: var(--primary-dark);
            transform: translateY(-3px); box-shadow: var(--shadow-lg);
        }
        .btn-sm { padding: 10px 20px; font-size: 14px; border-radius: var(--radius-sm); }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block; padding: 5px 14px; border-radius: 60px;
            font-size: 13px; font-weight: 600; letter-spacing: 0.3px;
            background: rgba(232, 168, 56, 0.12); color: var(--accent-dark);
        }
        .badge-primary { background: var(--accent); color: var(--primary-dark); }
        .badge-light { background: rgba(255, 255, 255, 0.15); color: var(--text-white); }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0;
            height: var(--nav-height); z-index: 1000;
            background: rgba(11, 17, 32, 0.92);
            backdrop-filter: blur(18px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            font-size: 22px; font-weight: 800; color: var(--text-white);
            letter-spacing: -0.3px; display: flex; align-items: center; gap: 8px;
        }
        .site-logo span { color: var(--accent); }
        .site-logo i { font-size: 24px; color: var(--accent); }
        .site-logo:hover { color: var(--accent); }

        .nav-list { display: flex; align-items: center; gap: 6px; }
        .nav-list a {
            display: block; padding: 8px 18px; border-radius: var(--radius-sm);
            font-size: 15px; font-weight: 500; color: rgba(255, 255, 255, 0.7);
            transition: var(--transition); position: relative;
        }
        .nav-list a:hover { color: var(--accent); background: rgba(255, 255, 255, 0.06); }
        .nav-list a.active { color: var(--accent); background: rgba(232, 168, 56, 0.10); }
        .nav-list a.active::after {
            content: ''; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; border-radius: 6px; background: var(--accent);
        }

        .nav-right { display: flex; align-items: center; gap: 12px; }
        .nav-search {
            display: flex; align-items: center; gap: 8px;
            background: rgba(255, 255, 255, 0.08); border-radius: 60px;
            padding: 6px 16px 6px 18px; border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--accent); background: rgba(255, 255, 255, 0.12); }
        .nav-search i { color: rgba(255, 255, 255, 0.4); font-size: 14px; }
        .nav-search input {
            background: none; border: none; outline: none;
            color: var(--text-white); font-size: 14px; width: 120px;
            padding: 4px 0;
        }
        .nav-search input::placeholder { color: rgba(255, 255, 255, 0.35); }

        .mobile-toggle { display: none; background: none; border: none; color: var(--text-white); font-size: 26px; cursor: pointer; padding: 4px; }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 92vh;
            display: flex; align-items: center;
            background: var(--bg-dark);
            overflow: hidden; padding: 120px 0 80px;
        }
        .hero-bg {
            position: absolute; inset: 0; z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35; transform: scale(1.04);
        }
        .hero-overlay {
            position: absolute; inset: 0; z-index: 1;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.92) 40%, rgba(11, 17, 32, 0.60) 80%, rgba(11, 17, 32, 0.30) 100%);
        }
        .hero .container { position: relative; z-index: 2; width: 100%; }
        .hero-content { max-width: 720px; }
        .hero-badge { display: inline-block; padding: 6px 18px; border-radius: 60px; background: rgba(232, 168, 56, 0.15); color: var(--accent-light); font-size: 14px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 24px; border: 1px solid rgba(232, 168, 56, 0.15); }
        .hero h1 { font-size: 56px; font-weight: 800; color: var(--text-white); line-height: 1.12; margin-bottom: 20px; letter-spacing: -1px; }
        .hero h1 span { color: var(--accent); }
        .hero p { font-size: 18px; color: rgba(255, 255, 255, 0.7); line-height: 1.7; margin-bottom: 36px; max-width: 560px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
        .hero-stats { display: flex; gap: 40px; margin-top: 56px; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
        .hero-stat h3 { font-size: 32px; font-weight: 800; color: var(--text-white); line-height: 1; }
        .hero-stat h3 small { font-size: 16px; font-weight: 400; color: rgba(255, 255, 255, 0.4); }
        .hero-stat p { font-size: 14px; color: rgba(255, 255, 255, 0.45); margin-bottom: 0; }

        /* ===== 板块通用 ===== */
        .section { padding: 100px 0; }
        .section-dark { background: var(--bg-dark); }
        .section-light { background: var(--bg-light); }
        .section-title { text-align: center; margin-bottom: 60px; }
        .section-title h2 { font-size: 38px; font-weight: 800; color: var(--primary); margin-bottom: 12px; letter-spacing: -0.5px; }
        .section-dark .section-title h2 { color: var(--text-white); }
        .section-title p { font-size: 17px; color: var(--text-light); max-width: 560px; margin: 0 auto; line-height: 1.7; }
        .section-dark .section-title p { color: rgba(255, 255, 255, 0.55); }
        .section-title .badge { margin-bottom: 12px; }

        /* ===== 品牌介绍 ===== */
        .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .intro-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
        .intro-image img { width: 100%; height: 400px; object-fit: cover; }
        .intro-text h3 { font-size: 28px; font-weight: 700; margin-bottom: 16px; color: var(--primary); }
        .intro-text p { color: var(--text-light); margin-bottom: 16px; font-size: 16px; line-height: 1.8; }
        .intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
        .intro-feature { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--text); }
        .intro-feature i { color: var(--accent); font-size: 18px; }

        /* ===== 分类入口 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .category-card {
            background: var(--bg-white); border-radius: var(--radius-lg);
            padding: 32px 28px; box-shadow: var(--shadow);
            border: 1px solid var(--border); transition: var(--transition);
            text-align: center; position: relative; overflow: hidden;
        }
        .category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
        .category-card .icon { width: 64px; height: 64px; margin: 0 auto 18px; background: rgba(232, 168, 56, 0.08); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--accent); transition: var(--transition); }
        .category-card:hover .icon { background: var(--accent); color: var(--primary-dark); }
        .category-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
        .category-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 16px; }
        .category-card .tag { display: inline-block; padding: 4px 12px; border-radius: 60px; background: var(--bg-light); font-size: 12px; font-weight: 500; color: var(--text-light); }
        .category-card .card-img {
            width: 100%; height: 160px; object-fit: cover; border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }

        /* ===== 资讯列表 ===== */
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .news-card {
            background: var(--bg-white); border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border); transition: var(--transition);
            display: flex; flex-direction: column;
        }
        .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .news-card .thumb { width: 100%; height: 200px; object-fit: cover; }
        .news-card .body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .news-card .meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-light); margin-bottom: 10px; }
        .news-card .meta .cat { padding: 2px 10px; border-radius: 60px; background: rgba(232, 168, 56, 0.10); color: var(--accent-dark); font-weight: 500; font-size: 12px; }
        .news-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; flex: 1; }
        .news-card h3 a { color: var(--primary); }
        .news-card h3 a:hover { color: var(--accent); }
        .news-card .excerpt { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 16px; }
        .news-card .read-more { font-size: 14px; font-weight: 600; color: var(--accent-dark); display: flex; align-items: center; gap: 6px; }
        .news-card .read-more i { font-size: 12px; transition: var(--transition); }
        .news-card .read-more:hover i { transform: translateX(4px); }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
        .stat-item { text-align: center; padding: 36px 20px; background: rgba(255, 255, 255, 0.04); border-radius: var(--radius-lg); border: 1px solid rgba(255, 255, 255, 0.06); transition: var(--transition); }
        .stat-item:hover { background: rgba(255, 255, 255, 0.07); border-color: rgba(232, 168, 56, 0.20); }
        .stat-item .num { font-size: 44px; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 6px; }
        .stat-item .label { font-size: 15px; color: rgba(255, 255, 255, 0.6); font-weight: 500; }

        /* ===== 使用流程 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
        .steps-grid::before {
            content: ''; position: absolute; top: 48px; left: 12%; right: 12%;
            height: 2px; background: linear-gradient(to right, var(--accent), rgba(232, 168, 56, 0.15));
            z-index: 0;
        }
        .step-item { text-align: center; position: relative; z-index: 1; }
        .step-num { width: 56px; height: 56px; margin: 0 auto 20px; background: var(--accent); color: var(--primary-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800; box-shadow: 0 0 0 6px rgba(232, 168, 56, 0.12); }
        .step-item h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text-white); }
        .step-item p { font-size: 14px; color: rgba(255, 255, 255, 0.55); line-height: 1.6; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-white); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 20px 28px; display: flex; align-items: center; justify-content: space-between;
            font-size: 16px; font-weight: 600; color: var(--primary); cursor: pointer;
            background: none; border: none; width: 100%; text-align: left;
            transition: var(--transition);
        }
        .faq-question i { font-size: 14px; color: var(--text-light); transition: var(--transition); }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--accent); }
        .faq-answer { padding: 0 28px 20px; font-size: 15px; color: var(--text-light); line-height: 1.7; display: none; }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            padding: 80px 0; text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { font-size: 38px; font-weight: 800; color: var(--text-white); margin-bottom: 12px; }
        .cta-section p { font-size: 17px; color: rgba(255, 255, 255, 0.6); max-width: 500px; margin: 0 auto 32px; }
        .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark); padding: 60px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .site-logo { margin-bottom: 12px; }
        .footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.45); line-height: 1.7; max-width: 320px; }
        .footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-white); margin-bottom: 16px; }
        .footer-col a { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.45); padding: 4px 0; }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom { padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.06); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
        .footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.3); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255, 255, 255, 0.06); display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.4); font-size: 16px; transition: var(--transition); }
        .footer-social a:hover { background: var(--accent); color: var(--primary-dark); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 44px; }
            .intro-grid { gap: 40px; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid::before { display: none; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            .nav-list { display: none; }
            .mobile-toggle { display: block; }
            .nav-search { display: none; }
            .nav-list.is-open {
                display: flex; flex-direction: column; gap: 4px;
                position: absolute; top: var(--nav-height); left: 0; right: 0;
                background: rgba(11, 17, 32, 0.98); backdrop-filter: blur(18px);
                padding: 16px 24px 24px; border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-list.is-open a { padding: 12px 16px; font-size: 16px; }
            .nav-list.is-open a.active::after { display: none; }

            .hero { min-height: 80vh; padding: 100px 0 60px; }
            .hero h1 { font-size: 34px; }
            .hero p { font-size: 16px; }
            .hero-stats { flex-wrap: wrap; gap: 20px; }
            .hero-stat h3 { font-size: 26px; }

            .section { padding: 64px 0; }
            .section-title h2 { font-size: 28px; }
            .section-title { margin-bottom: 40px; }

            .intro-grid { grid-template-columns: 1fr; gap: 28px; }
            .intro-features { grid-template-columns: 1fr; }

            .category-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-item { padding: 24px 16px; }
            .stat-item .num { font-size: 32px; }

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

            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .cta-section h2 { font-size: 28px; }
        }

        @media (max-width: 520px) {
            .hero h1 { font-size: 28px; }
            .hero-stats { flex-direction: column; gap: 14px; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .stats-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .cta-actions { flex-direction: column; width: 100%; }
            .cta-actions .btn { width: 100%; justify-content: center; }
            .section-title h2 { font-size: 24px; }
        }

        /* ===== 工具 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 12px; }
        .mt-2 { margin-top: 24px; }
        .mt-3 { margin-top: 40px; }
        .mb-1 { margin-bottom: 12px; }
        .gap-sm { gap: 8px; }
        .gap-md { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }
        .w-full { width: 100%; }

        /* 空状态 */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-light); font-size: 15px; }
        .empty-state i { font-size: 40px; color: var(--border); margin-bottom: 12px; display: block; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #0d1b2a;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-light: #636e72;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-w: 1200px;
            --nav-h: 72px;
        }

        /* ===== 基础重置 ===== */
        *,
        *::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: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-h);
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-h);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: var(--shadow-nav);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 28px;
        }
        .site-logo span {
            color: var(--primary);
        }
        .site-logo:hover {
            color: var(--text-dark);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 15px;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.10);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 40px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
        }
        .search-box i {
            color: var(--text-light);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            background: transparent;
            border: none;
            padding: 8px 0;
            width: 140px;
            font-size: 14px;
            color: var(--text-dark);
        }
        .search-box input::placeholder {
            color: #aaa;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 14px;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.30);
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.40);
            color: #fff;
        }
        .btn-cta:active {
            transform: translateY(0);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }
        .mobile-toggle:hover {
            background: var(--bg-light);
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2a3a 100%);
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.80);
            max-width: 720px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-banner .banner-tags {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .page-banner .banner-tags span {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.90);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            background: transparent;
            padding: 16px 0 8px;
            font-size: 14px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: #ccc;
        }
        .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-title .title-accent {
            display: inline-block;
            width: 48px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin-top: 12px;
        }

        .section-bg-alt {
            background: var(--bg-card);
        }
        .section-bg-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-bg-dark .section-title h2 {
            color: #fff;
        }
        .section-bg-dark .section-title p {
            color: rgba(255, 255, 255, 0.70);
        }

        /* ===== 分类筛选 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }
        .filter-bar .filter-btn {
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.05);
        }
        .filter-bar .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }

        /* ===== 赛事卡片网格 ===== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .event-card .card-img {
            position: relative;
            overflow: hidden;
            height: 200px;
            background: var(--bg-light);
        }
        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .event-card:hover .card-img img {
            transform: scale(1.05);
        }
        .event-card .card-img .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        .event-card .card-img .card-badge.secondary {
            background: var(--secondary);
        }
        .event-card .card-img .card-badge.accent {
            background: var(--accent);
            color: var(--text-dark);
        }

        .event-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .event-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .event-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-light);
        }
        .event-card .card-meta i {
            margin-right: 4px;
        }
        .event-card .card-meta .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 40px;
            background: var(--bg-light);
            font-size: 12px;
            color: var(--text-light);
        }
        .event-card .card-link {
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .event-card .card-link:hover h3 {
            color: var(--primary);
        }

        /* ===== 特色赛事 ===== */
        .featured-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .featured-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .featured-card .fc-img {
            height: 220px;
            background: var(--bg-light);
            position: relative;
            overflow: hidden;
        }
        .featured-card .fc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-card:hover .fc-img img {
            transform: scale(1.04);
        }
        .featured-card .fc-img .fc-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent);
            color: var(--text-dark);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }
        .featured-card .fc-body {
            padding: 24px 26px 26px;
            flex: 1;
        }
        .featured-card .fc-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .featured-card .fc-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .featured-card .fc-body .fc-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .featured-card .fc-body .fc-stats .stat {
            font-size: 14px;
            color: var(--text-light);
        }
        .featured-card .fc-body .fc-stats .stat strong {
            color: var(--text-dark);
            font-weight: 700;
        }

        /* ===== 赛事流程 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .process-step .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: rgba(230, 57, 70, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            transition: var(--transition);
        }
        .process-step:hover .step-icon {
            background: var(--primary);
            color: #fff;
        }
        .process-step h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .process-step .step-num {
            position: absolute;
            top: -10px;
            right: -10px;
            width: 32px;
            height: 32px;
            background: var(--secondary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.10);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 36px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-3px);
        }
        .stat-item .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-number span {
            color: var(--accent);
        }
        .stat-item .stat-label {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.70);
            font-weight: 500;
        }

        /* ===== 赛事列表（资讯） ===== */
        .event-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .event-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            padding: 18px 22px;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .event-list-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .event-list-item .el-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            padding: 6px 4px;
        }
        .event-list-item .el-date .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .event-list-item .el-date .month {
            font-size: 12px;
            color: var(--text-light);
            text-transform: uppercase;
        }
        .event-list-item .el-info {
            flex: 1;
        }
        .event-list-item .el-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .event-list-item .el-info p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
        }
        .event-list-item .el-tag {
            flex-shrink: 0;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }
        .event-list-item .el-tag.finished {
            background: rgba(100, 100, 100, 0.08);
            color: var(--text-light);
        }
        .event-list-item .el-tag.upcoming {
            background: rgba(69, 123, 157, 0.10);
            color: var(--secondary-light);
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-q:hover {
            background: rgba(0, 0, 0, 0.02);
        }
        .faq-item .faq-q i {
            color: var(--text-light);
            transition: var(--transition);
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-a {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d2b42 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-cta-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 16px;
            background: #fff;
            color: var(--secondary);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }
        .cta-section .btn-cta-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.20);
            color: var(--secondary);
            background: #f8f8f8;
        }
        .cta-section .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 16px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.40);
            cursor: pointer;
            transition: var(--transition);
        }
        .cta-section .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 8px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: rgba(255, 255, 255, 0.50);
            transition: var(--transition);
            padding: 0;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            padding: 0;
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.30);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-row {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-h: 64px;
            }

            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                padding: 16px 24px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
                border-radius: 0 0 var(--radius) var(--radius);
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.active {
                background: rgba(230, 57, 70, 0.08);
            }
            .mobile-toggle {
                display: block;
            }
            .search-box {
                display: none;
            }
            .btn-cta {
                padding: 8px 18px;
                font-size: 13px;
            }

            .page-banner {
                padding: 60px 0 40px;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }

            .section {
                padding: 48px 0;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .section-title p {
                font-size: 15px;
            }

            .event-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .featured-card .fc-img {
                height: 180px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-item .stat-number {
                font-size: 32px;
            }
            .event-list-item {
                flex-wrap: wrap;
                padding: 14px 16px;
            }
            .event-list-item .el-date {
                width: 48px;
            }
            .event-list-item .el-date .day {
                font-size: 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }

            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .btn-cta-light,
            .cta-section .btn-cta-outline {
                padding: 12px 26px;
                font-size: 15px;
            }

            .faq-item .faq-q {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-item .faq-a {
                font-size: 14px;
                padding: 0 16px 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner p {
                font-size: 14px;
            }
            .page-banner .banner-tags span {
                font-size: 12px;
                padding: 4px 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
            .stat-item .stat-label {
                font-size: 13px;
            }
            .event-card .card-body h3 {
                font-size: 16px;
            }
            .featured-card .fc-body h3 {
                font-size: 17px;
            }
            .featured-card .fc-body {
                padding: 18px 18px 20px;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Foundation 覆盖 */
        .button {
            transition: var(--transition);
        }
        .button.primary {
            background: var(--primary);
        }
        .button.primary:hover {
            background: var(--primary-dark);
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --text-dark: #1a1a2e;
            --text-body: #333333;
            --text-muted: #6c757d;
            --text-light: #f1faee;
            --border: #e0e0e0;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        a:hover,
        a:focus-visible {
            color: var(--primary-dark);
        }

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

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

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

        @media screen and (max-width: 639px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }

        .site-logo i {
            color: var(--primary);
            font-size: 1.3rem;
        }

        .site-logo span {
            color: var(--primary);
        }

        .site-logo:hover {
            color: var(--text-dark);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list a {
            padding: 8px 18px;
            border-radius: 100px;
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }

        .nav-list a:hover {
            background: rgba(230, 57, 70, 0.06);
            color: var(--primary);
        }

        .nav-list a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        .nav-list a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-toggle {
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--text-muted);
            padding: 8px 12px;
            border-radius: 100px;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--text-dark);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.35);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            padding: 10px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.2);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 8px;
            cursor: pointer;
        }

        @media screen and (max-width: 768px) {
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
            }

            .nav-list.open {
                display: flex;
            }

            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

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

            .nav-actions .btn-primary span {
                display: none;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-area {
            padding: 24px 0 0;
            background: var(--bg-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

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

        .breadcrumb .sep {
            color: var(--border);
            font-size: 0.8rem;
        }

        .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 32px 0 60px;
            background: var(--bg-light);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-body {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .article-header {
            padding: 36px 40px 24px;
            border-bottom: 1px solid var(--border);
        }

        .article-category {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 100px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
        }

        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            font-size: 0.85rem;
            color: var(--primary-light);
        }

        .article-cover {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }

        .article-content {
            padding: 36px 40px 40px;
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 36px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 28px 0 12px;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230, 57, 70, 0.04);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-muted);
        }

        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px auto;
            box-shadow: var(--shadow);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 24px 40px 36px;
            border-top: 1px solid var(--border);
        }

        .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 100px;
            background: var(--bg-light);
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
        }

        .sidebar-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--primary);
        }

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

        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .sidebar-list a {
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .sidebar-list a::before {
            content: "▸";
            color: var(--primary);
            font-size: 0.8rem;
        }

        .sidebar-list a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--secondary), var(--bg-dark));
            border-radius: var(--radius);
            padding: 32px 28px;
            color: #fff;
            text-align: center;
        }

        .sidebar-cta h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .sidebar-cta p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin-bottom: 20px;
        }

        .sidebar-cta .btn-primary {
            background: var(--accent);
            box-shadow: 0 4px 16px rgba(244, 162, 97, 0.3);
        }

        .sidebar-cta .btn-primary:hover {
            background: #e08f4a;
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 60px 0;
            background: #fff;
        }

        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 32px;
            text-align: center;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .related-card {
            background: var(--bg-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 20px 22px 24px;
        }

        .related-card-body .cat {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .related-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 8px 0 10px;
            line-height: 1.4;
        }

        .related-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-body .date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand .site-logo span {
            color: var(--primary-light);
        }

        .footer-brand p {
            font-size: 0.9rem;
            opacity: 0.7;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 0;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            opacity: 0.5;
        }

        @media screen and (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

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

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

        @media screen and (max-width: 768px) {
            .article-header {
                padding: 24px 20px 16px;
            }

            .article-title {
                font-size: 1.6rem;
            }

            .article-content {
                padding: 24px 20px 28px;
                font-size: 1rem;
            }

            .article-tags {
                padding: 16px 20px 24px;
            }

            .article-cover {
                max-height: 260px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media screen and (max-width: 520px) {
            .article-title {
                font-size: 1.35rem;
            }

            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
                flex-wrap: wrap;
            }

            .sidebar-card {
                padding: 20px;
            }

            .related-card img {
                height: 160px;
            }
        }

        /* ===== 文章不存在状态 ===== */
        .not-found-state {
            text-align: center;
            padding: 80px 24px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .not-found-state i {
            font-size: 3.5rem;
            color: var(--primary-light);
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .not-found-state h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .not-found-state p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }