/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #D32F2F;
            --primary-dark: #B71C1C;
            --primary-light: #FF6659;
            --primary-50: #FFEBEE;
            --accent: #1D3557;
            --accent-light: #2D4F7A;
            --bg-body: #F8F9FA;
            --bg-white: #FFFFFF;
            --bg-light: #F1F3F5;
            --bg-dark: #1A1C23;
            --text-primary: #1A202C;
            --text-secondary: #4A5568;
            --text-light: #718096;
            --text-white: #FFFFFF;
            --border-color: #E2E8F0;
            --border-light: #EDF2F7;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 48px rgba(0,0,0,0.12);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --space-xs: 0.25rem;
            --space-sm: 0.5rem;
            --space-md: 1rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 5rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 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);
            color: var(--text-primary);
            background: var(--bg-body);
            line-height: 1.7;
            font-size: 1rem;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover, a:focus { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: var(--radius-sm); }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        /* ===== 容器 ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-lg); }
        .container-narrow { max-width: 900px; margin: 0 auto; padding: 0 var(--space-lg); }
        .section { padding: var(--space-2xl) 0; }
        .section-title {
            text-align: center;
            margin-bottom: var(--space-xl);
            position: relative;
        }
        .section-title h2 { display: inline-block; position: relative; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-full);
            margin: var(--space-sm) auto 0;
        }
        .section-subtitle { text-align: center; color: var(--text-secondary); font-size: 1.05rem; margin-top: -0.5rem; margin-bottom: var(--space-xl); }

        /* ===== 导航栏 ===== */
        .site-header {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem var(--space-lg);
            max-width: 1200px;
            margin: 0 auto;
            gap: var(--space-md);
            flex-wrap: nowrap;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .logo span { color: var(--accent); }
        .logo i { margin-right: 0.3rem; color: var(--primary); }

        /* 搜索框主导 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 420px;
            min-width: 160px;
            margin: 0 var(--space-md);
        }
        .nav-search-form {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: var(--radius-full);
            padding: 0 0.2rem 0 1rem;
            border: 1px solid var(--border-light);
            transition: border var(--transition), box-shadow var(--transition);
        }
        .nav-search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
            background: var(--bg-white);
        }
        .nav-search-form input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.5rem 0;
            font-size: 0.9rem;
            color: var(--text-primary);
            outline: none;
            min-width: 60px;
        }
        .nav-search-form input::placeholder { color: var(--text-light); }
        .nav-search-form button {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius-full);
            padding: 0.4rem 0.9rem;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .nav-search-form button:hover { background: var(--primary-dark); transform: scale(1.02); }
        .nav-search-form button i { font-size: 0.8rem; }

        /* 导航链接 */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a:focus { background: var(--primary-50); color: var(--primary); }
        .nav-links a.active { background: var(--primary); color: white; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-primary); padding: 0.2rem; }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(26,28,35,0.82) 0%, rgba(0,0,0,0.65) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: var(--text-white);
            padding: var(--space-2xl) var(--space-lg);
        }
        .hero-content { max-width: 800px; position: relative; z-index: 2; }
        .hero h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); font-weight: 900; color: white; margin-bottom: var(--space-md); letter-spacing: -0.5px; }
        .hero h1 i { color: var(--primary-light); }
        .hero p { font-size: clamp(1rem, 2vw, 1.25rem); color: rgba(255,255,255,0.85); margin-bottom: var(--space-lg); max-width: 650px; margin-left: auto; margin-right: auto; }
        .hero-actions { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            line-height: 1.4;
        }
        .btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 14px rgba(211,47,47,0.35); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(211,47,47,0.4); color: white; }
        .btn-outline { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.7); }
        .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: white; transform: translateY(-2px); color: white; }
        .btn-accent { background: var(--accent); color: white; box-shadow: 0 4px 14px rgba(29,53,87,0.3); }
        .btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); color: white; }
        .hero-search-box {
            margin-top: var(--space-lg);
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-full);
            padding: 0.3rem;
            display: flex;
            border: 1px solid rgba(255,255,255,0.25);
        }
        .hero-search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 1.2rem;
            color: white;
            font-size: 0.95rem;
            outline: none;
        }
        .hero-search-box input::placeholder { color: rgba(255,255,255,0.7); }
        .hero-search-box button {
            background: var(--primary);
            color: white;
            border-radius: var(--radius-full);
            padding: 0.6rem 1.4rem;
            font-weight: 600;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .hero-search-box button:hover { background: var(--primary-dark); }

        /* ===== 特色板块 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .feature-icon { width: 64px; height: 64px; border-radius: var(--radius-md); background: var(--primary-50); display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-md); font-size: 1.8rem; color: var(--primary); }
        .feature-card h3 { margin-bottom: var(--space-sm); }
        .feature-card p { color: var(--text-secondary); font-size: 0.95rem; }

        /* ===== 分类入口 ===== */
        .category-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .category-card:hover { transform: scale(1.02); box-shadow: var(--shadow-xl); }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
            transition: background var(--transition);
        }
        .category-card:hover .overlay { background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.15) 60%, transparent 100%); }
        .category-card .content {
            position: relative;
            z-index: 2;
            padding: var(--space-xl) var(--space-lg);
            color: white;
            width: 100%;
        }
        .category-card .content h3 { font-size: 1.6rem; color: white; margin-bottom: 0.3rem; }
        .category-card .content p { color: rgba(255,255,255,0.8); font-size: 0.95rem; margin-bottom: var(--space-sm); }
        .category-card .content .tag {
            display: inline-block;
            background: var(--primary);
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            color: white;
        }

        /* ===== 数据统计 ===== */
        .stats-section { background: var(--accent); color: white; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); text-align: center; }
        .stat-item h4 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; color: white; margin-bottom: 0.2rem; }
        .stat-item p { color: rgba(255,255,255,0.75); font-size: 0.95rem; }

        /* ===== 最新资讯列表 ===== */
        .news-list { display: grid; gap: var(--space-md); }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            background: var(--bg-white);
            padding: var(--space-md) var(--space-lg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
        .news-item .num { font-size: 1.2rem; font-weight: 800; color: var(--primary); min-width: 2rem; }
        .news-item .info { flex: 1; }
        .news-item .info h4 { font-size: 1rem; margin-bottom: 0.2rem; }
        .news-item .info h4 a { color: var(--text-primary); }
        .news-item .info h4 a:hover { color: var(--primary); }
        .news-item .meta { display: flex; gap: var(--space-md); font-size: 0.8rem; color: var(--text-light); }
        .news-item .meta .cat { background: var(--primary-50); color: var(--primary); padding: 0.1rem 0.5rem; border-radius: var(--radius-full); font-weight: 500; }
        .news-empty { text-align: center; padding: var(--space-xl); color: var(--text-secondary); background: var(--bg-white); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }

        /* ===== 热门推荐 (图片卡片) ===== */
        .hot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
        .hot-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .hot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .hot-card .thumb { height: 160px; background-size: cover; background-position: center; position: relative; }
        .hot-card .thumb .badge { position: absolute; top: 0.5rem; left: 0.5rem; background: var(--primary); color: white; font-size: 0.7rem; padding: 0.15rem 0.6rem; border-radius: var(--radius-full); font-weight: 600; }
        .hot-card .body { padding: var(--space-sm) var(--space-md) var(--space-md); }
        .hot-card .body h4 { font-size: 0.95rem; margin-bottom: 0.2rem; }
        .hot-card .body p { font-size: 0.82rem; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        /* ===== 流程板块 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
        .step-item { text-align: center; position: relative; }
        .step-num { width: 48px; height: 48px; border-radius: var(--radius-full); background: var(--primary); color: white; font-size: 1.2rem; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto var(--space-sm); }
        .step-item h4 { font-size: 1.05rem; margin-bottom: 0.2rem; }
        .step-item p { color: var(--text-secondary); font-size: 0.9rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: var(--space-sm); }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: var(--space-md) var(--space-lg);
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-primary);
            transition: background var(--transition);
        }
        .faq-question:hover { background: var(--bg-light); }
        .faq-question i { color: var(--primary); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer { padding: 0 var(--space-lg) var(--space-md); color: var(--text-secondary); font-size: 0.93rem; display: none; }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            text-align: center;
            padding: var(--space-2xl) var(--space-lg);
        }
        .cta-section h2 { color: white; margin-bottom: var(--space-sm); }
        .cta-section p { color: rgba(255,255,255,0.85); margin-bottom: var(--space-lg); font-size: 1.05rem; }
        .cta-section .btn-outline { border-color: rgba(255,255,255,0.8); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: var(--space-xl) 0 var(--space-lg);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-xl); }
        .footer-brand .logo { color: white; font-size: 1.2rem; margin-bottom: var(--space-sm); display: inline-block; }
        .footer-brand p { font-size: 0.88rem; max-width: 280px; }
        .footer-col h5 { color: white; font-size: 0.95rem; margin-bottom: var(--space-sm); }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.88rem; padding: 0.2rem 0; transition: color var(--transition); }
        .footer-col a:hover { color: white; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: var(--space-lg); padding-top: var(--space-md); text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.4); }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .hot-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
        }
        @media screen and (max-width: 768px) {
            .header-inner { padding: 0.5rem var(--space-md); flex-wrap: wrap; }
            .nav-links { display: none; flex-direction: column; width: 100%; background: var(--bg-white); padding: var(--space-md) 0; border-top: 1px solid var(--border-light); gap: 0.2rem; }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 0.6rem 1rem; border-radius: var(--radius-sm); }
            .nav-toggle { display: block; }
            .nav-search-wrapper { order: 3; flex: 1 1 100%; max-width: 100%; margin: 0.4rem 0 0; }
            .hero { min-height: 60vh; }
            .features-grid { grid-template-columns: 1fr; }
            .category-cards { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
            .footer-grid { grid-template-columns: 1fr; text-align: center; }
            .footer-brand p { max-width: 100%; }
            .section { padding: var(--space-xl) 0; }
            .hot-grid { grid-template-columns: 1fr; }
        }
        @media screen and (max-width: 520px) {
            .container { padding: 0 var(--space-md); }
            .hero-actions { flex-direction: column; align-items: center; }
            .hero-search-box { flex-direction: column; border-radius: var(--radius-md); padding: var(--space-sm); gap: var(--space-sm); }
            .hero-search-box input { width: 100%; text-align: center; }
            .hero-search-box button { width: 100%; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; gap: var(--space-sm); }
            .news-item .num { display: none; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-lg { margin-top: var(--space-lg); }
        .mb-lg { margin-bottom: var(--space-lg); }
        .gap-sm { gap: var(--space-sm); }
        .gap-md { gap: var(--space-md); }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: article */
:root {
  --primary: #1a56db;
  --primary-light: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #f97316;
  --secondary-light: #fb923c;
  --accent: #06b6d4;
  --bg-body: #f8fafc;
  --bg-dark: #0f172a;
  --bg-card: #ffffff;
  --bg-soft: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --content-width: 800px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.content-container { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 16px; }
.mt-2 { margin-top: 32px; }
.mt-3 { margin-top: 48px; }
.mb-1 { margin-bottom: 16px; }
.mb-2 { margin-bottom: 32px; }
.mb-3 { margin-bottom: 48px; }
.py-1 { padding-top: 16px; padding-bottom: 16px; }
.py-2 { padding-top: 32px; padding-bottom: 32px; }
.py-3 { padding-top: 48px; padding-bottom: 48px; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-soft);
  color: var(--text-secondary);
  transition: var(--transition);
}
.tag:hover { background: var(--primary); color: var(--text-white); }
.tag-primary { background: var(--primary); color: var(--text-white); }
.tag-secondary { background: var(--secondary); color: var(--text-white); }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: var(--text-white);
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--secondary);
  color: var(--text-white);
}
.btn-secondary:hover {
  background: #ea580c;
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--border);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--text-white);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.badge {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-soft);
  color: var(--text-secondary);
}
.badge-primary { background: var(--primary); color: var(--text-white); }
.badge-secondary { background: var(--secondary); color: var(--text-white); }
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}
/* ===== Header & Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}
.logo i { color: var(--primary); font-size: 1.4rem; }
.logo span { color: var(--primary); }
.logo:hover { color: var(--text-primary); }
.nav-search-wrapper {
  flex: 1;
  max-width: 480px;
  margin: 0 12px;
}
.nav-search-form {
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 0 4px 0 18px;
  border: 2px solid transparent;
  transition: var(--transition);
}
.nav-search-form:focus-within {
  border-color: var(--primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px rgba(26,86,219,0.1);
}
.nav-search-form input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--text-primary);
  min-width: 0;
}
.nav-search-form input::placeholder { color: var(--text-light); }
.nav-search-form button {
  background: var(--primary);
  color: var(--text-white);
  border: none;
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.nav-search-form button:hover { background: var(--primary-dark); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover { background: var(--bg-soft); color: var(--primary); }
.nav-links a.active { background: var(--primary); color: var(--text-white); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--bg-soft); }
/* ===== Hero Banner ===== */
.article-hero {
  position: relative;
  padding: 80px 0 60px;
  background: var(--bg-dark);
  color: var(--text-white);
  overflow: hidden;
}
.article-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}
.article-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.70) 100%);
}
.article-hero .container {
  position: relative;
  z-index: 1;
}
.article-hero .post-category {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 999px;
  background: var(--secondary);
  color: var(--text-white);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.article-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 900px;
}
.article-hero .post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}
.article-hero .post-meta i { margin-right: 6px; }
.article-hero .post-meta span { display: flex; align-items: center; }
/* ===== Article Content ===== */
.article-content-wrap {
  padding: 48px 0 32px;
}
.article-body {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-primary);
}
.article-body p {
  margin-bottom: 1.5rem;
}
.article-body h2, .article-body h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.article-body h2 { font-size: 1.6rem; }
.article-body h3 { font-size: 1.3rem; }
.article-body ul, .article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}
.article-body li { margin-bottom: 0.5rem; }
.article-body blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--bg-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-secondary);
}
.article-body img {
  border-radius: var(--radius-md);
  margin: 24px auto;
  box-shadow: var(--shadow-md);
}
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-body a:hover { color: var(--primary-dark); }
.article-featured-image {
  margin: 32px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.article-featured-image img { width: 100%; display: block; }
/* ===== Tags & Share ===== */
.article-tags-share {
  padding: 24px 0 16px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 32px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-share span { font-size: 0.9rem; font-weight: 600; color: var(--text-secondary); }
.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
}
.article-share a:hover { background: var(--primary); color: var(--text-white); }
/* ===== Related Posts ===== */
.related-section {
  padding: 48px 0;
}
.related-section .section-title { font-size: 1.5rem; margin-bottom: 24px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-decoration: none;
  color: var(--text-primary);
}
.related-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  color: var(--text-primary);
}
.related-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--bg-soft);
}
.related-card-body {
  padding: 16px 18px 20px;
}
.related-card-body h4 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-body .meta {
  font-size: 0.8rem;
  color: var(--text-light);
}
/* ===== CTA ===== */
.cta-section {
  padding: 64px 0;
  background: var(--bg-dark);
  color: var(--text-white);
  text-align: center;
}
.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto 28px;
}
.cta-section .btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
/* ===== Back Nav ===== */
.back-nav {
  padding: 24px 0 8px;
  text-align: center;
}
.back-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-weight: 500;
}
.back-nav a:hover { color: var(--primary); }
/* ===== Not Found ===== */
.not-found-box {
  text-align: center;
  padding: 80px 24px;
}
.not-found-box i { font-size: 3rem; color: var(--text-light); margin-bottom: 16px; }
.not-found-box h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.not-found-box p { color: var(--text-secondary); margin-bottom: 24px; }
/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 48px 0 24px;
}
.site-footer .logo { color: var(--text-white); margin-bottom: 12px; }
.site-footer .logo span { color: white; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--text-white); padding-left: 4px; }
.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-hero h1 { font-size: 2.2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { height: 60px; }
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 16px; }
  .nav-toggle { display: block; }
  .nav-search-wrapper { max-width: 240px; }
  .nav-search-form button span { display: none; }
  .article-hero { padding: 56px 0 40px; }
  .article-hero h1 { font-size: 1.7rem; }
  .article-body { font-size: 1rem; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .article-tags-share { flex-direction: column; align-items: flex-start; }
  .cta-section h2 { font-size: 1.5rem; }
}
@media (max-width: 520px) {
  .header-inner { gap: 8px; }
  .nav-search-wrapper { max-width: 140px; }
  .nav-search-form input { font-size: 0.8rem; padding: 8px 0; }
  .nav-search-form button { padding: 6px 12px; font-size: 0.75rem; }
  .article-hero h1 { font-size: 1.3rem; }
  .section-title { font-size: 1.4rem; }
  .related-card-body { padding: 12px 14px 16px; }
}

/* roulang page: category1 */
/* ========== :root 设计变量 ========== */
        :root {
            --primary: #1a4a8a;
            --primary-dark: #0f2d55;
            --primary-light: #2a6dc4;
            --secondary: #d4a843;
            --secondary-light: #e8c56a;
            --accent: #e74c3c;
            --bg: #ffffff;
            --bg-alt: #f6f8fc;
            --bg-dark: #0b1a2e;
            --text: #1e2a3a;
            --text-light: #5a6a7e;
            --text-white: #f0f4fa;
            --border: #dfe5ef;
            --border-light: #eef2f7;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(26, 74, 138, 0.08);
            --shadow-hover: 0 12px 36px rgba(26, 74, 138, 0.16);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.10);
            --transition: all 0.30s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 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: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
        button, input, textarea, select { 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(--text); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
        p { margin-bottom: 0.8rem; color: var(--text-light); }

        /* ========== 工具类 ========== */
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .text-center { text-align: center; }
        .section-title { margin-bottom: 0.5rem; }
        .section-sub { font-size: 1.05rem; color: var(--text-light); max-width: 620px; margin: 0 auto 2rem auto; }
        .section-pad { padding: 5rem 0; }
        .section-pad-sm { padding: 3rem 0; }
        .badge {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--primary);
            color: #fff;
        }
        .badge-gold { background: var(--secondary); color: #1e2a3a; }
        .badge-light { background: var(--bg-alt); color: var(--primary); border: 1px solid var(--border); }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            height: var(--header-h);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 1rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i { color: var(--secondary); font-size: 1.4rem; }
        .logo span { color: var(--secondary); font-weight: 700; }
        .logo:hover { color: var(--primary-dark); opacity: 0.9; }
        .nav-search-wrapper {
            flex: 1;
            max-width: 420px;
            margin: 0 0.5rem;
        }
        .nav-search-form {
            display: flex;
            background: var(--bg-alt);
            border-radius: 50px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .nav-search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 74, 138, 0.12);
            background: #fff;
        }
        .nav-search-form input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.5rem 1.2rem;
            font-size: 0.92rem;
            outline: none;
            color: var(--text);
            min-width: 0;
        }
        .nav-search-form input::placeholder { color: var(--text-light); }
        .nav-search-form button {
            background: transparent;
            border: none;
            padding: 0.5rem 1.2rem;
            cursor: pointer;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .nav-search-form button:hover { background: var(--primary); color: #fff; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover { background: var(--bg-alt); color: var(--primary); }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-links a.active:hover { background: var(--primary-dark); color: #fff; }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.6rem;
            color: var(--text);
            cursor: pointer;
            padding: 0.3rem;
            line-height: 1;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:focus-visible { outline: 3px solid var(--secondary); }

        /* ========== Hero / Banner ========== */
        .category-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            padding: 3rem 1.5rem;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .category-hero h1 {
            color: #fff;
            font-size: clamp(2.4rem, 5.5vw, 4rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .category-hero h1 i { color: var(--secondary); margin-right: 10px; }
        .category-hero p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 1rem auto 0;
            line-height: 1.7;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.6rem;
            margin-top: 1.5rem;
        }
        .hero-badge-row .badge {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
            color: #fff;
            font-weight: 500;
            padding: 0.3rem 1.1rem;
            border: 1px solid rgba(255, 255, 255, 0.20);
        }
        .hero-badge-row .badge i { margin-right: 5px; color: var(--secondary); }

        /* ========== 赛事分类板块 ========== */
        .sport-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.6rem;
            margin-bottom: 2.5rem;
        }
        .sport-tabs .tab-btn {
            padding: 0.6rem 1.6rem;
            border-radius: 50px;
            border: 1px solid var(--border);
            background: var(--bg);
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .sport-tabs .tab-btn i { color: var(--primary-light); }
        .sport-tabs .tab-btn:hover { border-color: var(--primary); background: var(--bg-alt); color: var(--primary); }
        .sport-tabs .tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        .sport-tabs .tab-btn.active i { color: #fff; }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.8rem;
        }
        .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
        .card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
        .event-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            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;
            height: 180px;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .card-img img { transform: scale(1.06); }
        .event-card .card-img .badge-pos {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .event-card .card-body {
            padding: 1.2rem 1.2rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: var(--text);
        }
        .event-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0.6rem;
            flex: 1;
        }
        .event-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 0.7rem;
            margin-top: auto;
        }
        .event-card .card-meta i { margin-right: 4px; color: var(--primary-light); }

        /* ========== 数据统计 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1.8rem;
            text-align: center;
        }
        .stat-item {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 2rem 1rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-number span { color: var(--secondary); }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 0.3rem;
            font-weight: 500;
        }
        .stat-item i { font-size: 2rem; color: var(--secondary); margin-bottom: 0.5rem; display: block; }

        /* ========== 资讯列表 ========== */
        .news-list { display: flex; flex-direction: column; gap: 1rem; }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 1.2rem;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .news-item:hover { background: var(--bg-alt); border-color: var(--primary); box-shadow: var(--shadow); }
        .news-item .news-icon { flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.1rem; }
        .news-item .news-content { flex: 1; }
        .news-item .news-content h4 { font-size: 1rem; font-weight: 600; margin-bottom: 0.2rem; color: var(--text); }
        .news-item .news-content p { font-size: 0.88rem; color: var(--text-light); margin: 0; }
        .news-item .news-meta { font-size: 0.78rem; color: var(--text-light); white-space: nowrap; flex-shrink: 0; padding-top: 0.2rem; }
        .news-item .news-meta i { margin-right: 4px; }

        /* ========== FAQ ========== */
        .faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.8rem; }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
        .faq-question {
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: var(--transition);
        }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 1.1rem; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); color: var(--secondary); }
        .faq-question:focus-visible { outline: 3px solid var(--secondary); outline-offset: -3px; border-radius: var(--radius); }
        .faq-answer {
            padding: 0 1.4rem 1.1rem;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open { display: block; }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            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: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); position: relative; z-index: 1; }
        .cta-section p { color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0.6rem auto 1.5rem; position: relative; z-index: 1; }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 0.8rem 2.4rem;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }
        .cta-btn:hover { background: #fff; color: var(--primary); transform: scale(1.04); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.20); }
        .cta-btn i { transition: var(--transition); }
        .cta-btn:hover i { transform: translateX(4px); }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 3.5rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand .logo { color: #fff; margin-bottom: 0.6rem; font-size: 1.5rem; }
        .footer-brand .logo i { color: var(--secondary); }
        .footer-brand p { font-size: 0.9rem; color: rgba(255, 255, 255, 0.65); max-width: 320px; line-height: 1.7; }
        .footer-col h5 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 0.8rem; letter-spacing: 0.5px; }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.70);
            font-size: 0.88rem;
            padding: 0.25rem 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-col a i { width: 20px; margin-right: 4px; color: var(--secondary); }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.2rem 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
            .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 820px) {
            .nav-links a { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
            .nav-search-wrapper { max-width: 260px; }
        }
        @media (max-width: 768px) {
            :root { --header-h: 64px; }
            .header-inner { padding: 0 16px; }
            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 1rem 1.5rem;
                gap: 0.4rem;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                z-index: 999;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a { padding: 0.7rem 1.2rem; width: 100%; border-radius: var(--radius-sm); font-size: 1rem; }
            .nav-toggle { display: block; }
            .nav-search-wrapper { max-width: 180px; }
            .nav-search-form input { padding: 0.4rem 0.8rem; font-size: 0.82rem; }
            .nav-search-form button { padding: 0.4rem 0.8rem; font-size: 0.82rem; }
            .nav-search-form button span { display: none; }

            .category-hero { min-height: 280px; padding: 2rem 1rem; }
            .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .section-pad { padding: 3rem 0; }
            .cta-section { padding: 2.5rem 1.5rem; }
            .news-item { flex-wrap: wrap; }
            .news-item .news-meta { width: 100%; text-align: left; padding-left: 52px; }
        }
        @media (max-width: 520px) {
            .header-inner { gap: 0.4rem; }
            .logo { font-size: 1.2rem; }
            .logo i { font-size: 1.1rem; }
            .nav-search-wrapper { max-width: 120px; }
            .nav-search-form input { padding: 0.3rem 0.6rem; font-size: 0.78rem; }
            .nav-search-form button { padding: 0.3rem 0.6rem; }
            .category-hero h1 { font-size: 1.8rem; }
            .category-hero p { font-size: 0.92rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
            .stat-number { font-size: 2rem; }
            .sport-tabs .tab-btn { padding: 0.4rem 1rem; font-size: 0.82rem; }
            .container { padding: 0 16px; }
        }

        /* ========== Foundation 覆盖 ========== */
        .grid-container { max-width: var(--max-width); padding: 0 24px; }
        @media (max-width: 768px) { .grid-container { padding: 0 16px; } }
        .grid-x { margin: 0; }
        .cell { padding: 0; }

        /* ========== 额外动画 ========== */
        .fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-up.visible { opacity: 1; transform: translateY(0); }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #b71c2e;
            --primary-light: #ff6b7a;
            --secondary: #1d3557;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --text-dark: #1e1e24;
            --text-muted: #6c757d;
            --text-light: #f0f0f0;
            --border: #e0e0e0;
            --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);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
            --header-height: 76px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        }

        /* ===== 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);
            color: var(--text-dark);
            background: #ffffff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav (Foundation override) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .logo span {
            color: var(--primary);
        }
        .logo:hover {
            color: var(--secondary);
        }

        /* 搜索框 - 视觉中心 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 480px;
            min-width: 180px;
        }

        .nav-search-form {
            display: flex;
            background: var(--bg-light);
            border-radius: 50px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }

        .nav-search-form input[type="text"] {
            flex: 1;
            border: none;
            background: transparent;
            padding: 10px 18px;
            font-size: 0.9rem;
            color: var(--text-dark);
            outline: none;
            min-width: 0;
        }
        .nav-search-form input[type="text"]::placeholder {
            color: var(--text-muted);
        }

        .nav-search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .nav-search-form button:hover {
            background: var(--primary-dark);
        }
        .nav-search-form button i {
            font-size: 0.9rem;
        }

        /* 导航链接 */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a {
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-links a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        @media screen and (max-width: 868px) {
            .nav-search-wrapper {
                max-width: 280px;
            }
            .nav-search-form button span {
                display: none;
            }
            .nav-search-form button {
                padding: 10px 16px;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.3s ease;
                pointer-events: none;
                align-items: stretch;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 12px 18px;
                text-align: center;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
            .nav-search-wrapper {
                max-width: 200px;
            }
        }

        @media screen and (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
                gap: 10px;
            }
            .logo {
                font-size: 1.2rem;
            }
            .logo i {
                font-size: 1.1rem;
            }
            .nav-search-wrapper {
                max-width: 140px;
                min-width: 100px;
            }
            .nav-search-form input[type="text"] {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-search-form button {
                padding: 8px 12px;
                font-size: 0.75rem;
            }
            .nav-links {
                padding: 12px 16px 20px;
            }
        }

        /* ===== Banner / Hero ===== */
        .category-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.75), rgba(230, 57, 70, 0.55));
            z-index: 1;
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 24px;
            max-width: 780px;
        }
        .category-banner h1 {
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -1px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .category-banner p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.92);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.5px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            margin-bottom: 20px;
        }

        @media screen and (max-width: 768px) {
            .category-banner {
                min-height: 280px;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .category-banner p {
                font-size: 1rem;
            }
            .category-banner .banner-content {
                padding: 40px 16px;
            }
        }

        @media screen and (max-width: 520px) {
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .category-banner p {
                font-size: 0.9rem;
            }
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-title-center {
            text-align: center;
        }
        .section-subtitle-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        @media screen and (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        }
        .card-grid-4 {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }

        @media screen and (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Card ===== */
        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 22px 24px 26px;
        }
        .card-body .tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .card-body .card-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        /* ===== Tag / Badge ===== */
        .tag-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .tag-outline {
            display: inline-block;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            transition: background var(--transition), color var(--transition);
        }
        .tag-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 特色板块：项目分类 ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 20px;
        }
        .sport-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 16px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: default;
        }
        .sport-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .sport-item .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(26, 26, 46, 0.06));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
        }
        .sport-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .sport-item p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        @media screen and (max-width: 520px) {
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .sport-item {
                padding: 20px 12px 18px;
            }
            .sport-item .icon-wrap {
                width: 48px;
                height: 48px;
                font-size: 1.4rem;
            }
            .sport-item h4 {
                font-size: 0.9rem;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 32px 16px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .stat-item .number {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 6px;
        }

        @media screen and (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .number {
                font-size: 2rem;
            }
        }
        @media screen and (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .number {
                font-size: 1.6rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary), #2d4a7a);
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(230, 57, 70, 0.45);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: background var(--transition), border-color var(--transition);
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media screen and (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-primary {
                padding: 14px 32px;
                font-size: 0.95rem;
            }
            .btn-outline-light {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--secondary);
            gap: 16px;
            user-select: none;
        }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition), background var(--transition);
        }
        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== 图文混合板块 ===== */
        .media-block {
            display: flex;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse {
            flex-direction: row-reverse;
        }
        .media-block .media-image {
            flex: 1;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .media-block .media-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .media-block .media-text {
            flex: 1;
        }
        .media-block .media-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .media-block .media-text p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .media-block .media-text .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .media-block .media-text .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-dark);
        }
        .media-block .media-text .feature-list li i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media screen and (max-width: 868px) {
            .media-block {
                flex-direction: column;
                gap: 28px;
            }
            .media-block.reverse {
                flex-direction: column;
            }
            .media-block .media-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ===== 内容列表 ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .content-list a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            transition: background var(--transition), transform var(--transition);
            color: var(--text-dark);
            font-weight: 500;
        }
        .content-list a:hover {
            background: rgba(230, 57, 70, 0.06);
            transform: translateX(4px);
            color: var(--primary);
        }
        .content-list a .list-index {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .content-list a .list-text {
            flex: 1;
        }
        .content-list a .list-arrow {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: transform var(--transition);
        }
        .content-list a:hover .list-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }

        /* ===== Background sections ===== */
        .bg-light-section {
            background: var(--bg-light);
        }
        .bg-dark-section {
            background: var(--bg-dark);
            color: #fff;
        }
        .bg-dark-section .section-title {
            color: #fff;
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 图片遮罩 ===== */
        .img-overlay-wrap {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
        }
        .img-overlay-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
            pointer-events: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #111827;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand .logo i {
            color: var(--primary);
        }
        .footer-brand .logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 320px;
        }
        .footer-col h5 {
            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, 0.7);
            padding: 4px 0;
            font-size: 0.9rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-col a i {
            margin-right: 6px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.6;
        }

        @media screen and (max-width: 868px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* ===== Utilities ===== */
        .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;
        }
        .mb-2 {
            margin-bottom: 24px;
        }
        .gap-2 {
            gap: 12px;
        }

        /* ===== 响应式微调 ===== */
        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr 1fr;
                gap: 28px;
            }
        }
        @media screen and (max-width: 640px) {
            .content-list a {
                padding: 12px 14px;
                font-size: 0.9rem;
            }
        }