/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0e9f6e;
            --primary-dark: #0b7b55;
            --primary-deep: #085e42;
            --primary-light: #e6f7f0;
            --primary-grad: linear-gradient(135deg, #10b981 0%, #0e9f6e 60%, #0b7b55 100%);
            --accent: #f6a723;
            --accent-light: #fef5e3;
            --bg: #f4f8f6;
            --card: #ffffff;
            --ink: #132a23;
            --ink-soft: #4f6b63;
            --ink-faint: #8ba39c;
            --border: #dfede7;
            --radius-lg: 22px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 32px rgba(15, 43, 34, 0.07);
            --shadow-lg: 0 24px 56px rgba(15, 43, 34, 0.13);
            --t: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            --sidebar-w: 274px;
        }

        /* ===== Reset 基础 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
        }
        img { display: block; max-width: 100%; height: auto; }
        a { color: inherit; text-decoration: none; }
        ul, ol { list-style: none; }
        button, input, textarea, select { font: inherit; color: inherit; background: none; border: none; outline: none; }
        button { cursor: pointer; }
        a:focus-visible, button:focus-visible, summary:focus-visible {
            outline: 3px solid rgba(14, 159, 110, 0.45);
            outline-offset: 3px;
            border-radius: 8px;
        }
        ::selection { background: rgba(14, 159, 110, 0.2); }

        /* ===== 布局容器 ===== */
        .main-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 36px; }
        .layout { min-height: 100vh; }
        .content { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }

        /* ===== 左侧侧边栏 ===== */
        .sidebar {
            position: fixed; left: 0; top: 0; bottom: 0;
            width: var(--sidebar-w);
            background: #ffffff;
            border-right: 1px solid var(--border);
            display: flex; flex-direction: column;
            padding: 28px 20px 20px;
            z-index: 100;
            transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .brand-link { display: flex; align-items: center; gap: 12px; padding: 6px 6px 18px; }
        .brand-badge {
            width: 46px; height: 46px; border-radius: 14px;
            background: var(--primary-grad);
            display: grid; place-items: center;
            color: #fff; font-size: 20px;
            box-shadow: 0 8px 20px rgba(14, 159, 110, 0.3);
            flex-shrink: 0;
        }
        .brand-name { font-size: 17px; font-weight: 800; letter-spacing: 0.5px; color: var(--ink); line-height: 1.3; }
        .sidebar-divider { height: 1px; background: var(--border); margin: 6px 0 18px; }
        .nav-label { font-size: 13px; color: var(--ink-faint); font-weight: 600; letter-spacing: 2px; padding: 10px 12px 8px; }
        .nav-item {
            display: flex; align-items: center; gap: 12px;
            padding: 12px 14px; border-radius: 12px;
            color: var(--ink-soft); font-weight: 600;
            margin-bottom: 6px; transition: var(--t);
        }
        .nav-item i { width: 20px; text-align: center; font-size: 16px; }
        .nav-item:hover { background: var(--primary-light); color: var(--primary-dark); }
        .nav-item.active {
            background: var(--primary-grad); color: #fff;
            box-shadow: 0 10px 24px rgba(14, 159, 110, 0.32);
        }
        .sidebar-note {
            margin-top: auto;
            background: var(--primary-light);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            display: flex; gap: 12px; align-items: flex-start;
        }
        .sidebar-note .note-icon { color: var(--primary); font-size: 22px; flex-shrink: 0; }
        .sidebar-note p { font-size: 13px; color: var(--primary-dark); line-height: 1.65; }
        .sidebar-copy { text-align: center; font-size: 12px; color: var(--ink-faint); padding-top: 16px; }

        /* ===== 移动端顶栏 ===== */
        .mobile-header {
            display: none;
            position: sticky; top: 0; z-index: 90;
            height: 64px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            align-items: center; justify-content: space-between;
            padding: 0 20px;
        }
        .mobile-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); font-size: 15px; }
        .mobile-brand i { color: var(--primary); font-size: 22px; }
        .menu-btn {
            width: 42px; height: 42px; border-radius: 12px;
            background: var(--primary-light); color: var(--primary-dark);
            font-size: 18px; display: grid; place-items: center;
            transition: var(--t);
        }
        .menu-btn:hover { background: var(--primary); color: #fff; }
        .sidebar-mask {
            display: none;
            position: fixed; inset: 0;
            background: rgba(12, 32, 26, 0.4);
            z-index: 95;
            opacity: 0; pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .sidebar-mask.show { opacity: 1; pointer-events: auto; }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 13px 30px; border-radius: 999px;
            font-weight: 700; font-size: 15px;
            border: 2px solid transparent;
            transition: var(--t);
            white-space: nowrap;
        }
        .btn-primary { background: #fff; color: var(--primary-dark); box-shadow: 0 10px 28px rgba(6, 55, 41, 0.18); }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(6, 55, 41, 0.26); }
        .btn-ghost { background: transparent; border-color: rgba(255, 255, 255, 0.6); color: #fff; }
        .btn-ghost:hover { background: rgba(255, 255, 255, 0.15); border-color: #fff; transform: translateY(-3px); }
        .btn-green { background: var(--primary-grad); color: #fff; box-shadow: 0 10px 28px rgba(14, 159, 110, 0.28); }
        .btn-green:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(14, 159, 110, 0.4); }
        .btn-amber { background: var(--accent); color: #fff; box-shadow: 0 10px 28px rgba(246, 167, 35, 0.3); }
        .btn-amber:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(246, 167, 35, 0.42); }

        /* ===== 首屏 Hero ===== */
        .hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 110px 0 100px;
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(115deg, rgba(5, 42, 32, 0.94) 0%, rgba(8, 95, 66, 0.86) 45%, rgba(16, 185, 129, 0.66) 100%);
        }
        .hero-content { position: relative; z-index: 2; max-width: 840px; }
        .hero-tag {
            display: inline-flex; align-items: center; gap: 10px;
            font-size: 14px; font-weight: 600; letter-spacing: 1px;
            padding: 8px 20px; border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.28);
            margin-bottom: 24px;
        }
        .hero h1 { font-size: 52px; line-height: 1.15; font-weight: 900; letter-spacing: 1px; margin-bottom: 20px; }
        .hero-lead {
            font-size: 19px; line-height: 1.8;
            max-width: 660px; color: rgba(255, 255, 255, 0.9);
            margin-bottom: 32px;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats { display: flex; gap: 18px; margin-top: 48px; flex-wrap: wrap; }
        .stat-chip {
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-md);
            padding: 16px 26px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .stat-chip strong { display: block; font-size: 28px; font-weight: 800; line-height: 1.2; }
        .stat-chip span { font-size: 13px; color: rgba(255, 255, 255, 0.82); }

        /* ===== 通用板块 ===== */
        .section { padding: 88px 0; }
        .section-alt { background: #fff; }
        .section-head { margin-bottom: 46px; max-width: 720px; }
        .eyebrow {
            display: inline-block;
            font-size: 13px; font-weight: 700; letter-spacing: 2px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px; border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-head h2 { font-size: 36px; font-weight: 900; color: var(--ink); line-height: 1.25; margin-bottom: 12px; }
        .section-head p { font-size: 16px; color: var(--ink-soft); line-height: 1.75; }
        .section-foot { margin-top: 40px; text-align: center; }

        /* ===== 核心优势卡片 ===== */
        .feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 26px 30px;
            box-shadow: var(--shadow);
            transition: var(--t);
        }
        .feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
        .feature-icon {
            width: 60px; height: 60px; border-radius: 18px;
            display: grid; place-items: center;
            font-size: 24px; margin-bottom: 20px;
            color: var(--primary); background: var(--primary-light);
        }
        .feature-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 10px; }
        .feature-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.75; }

        /* ===== 分类入口大卡 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 330px;
            display: flex; align-items: flex-end;
            box-shadow: var(--shadow);
            transition: var(--t);
        }
        .category-card img {
            position: absolute; inset: 0;
            width: 100%; height: 100%; object-fit: cover;
            transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
        .category-card:hover img { transform: scale(1.08); }
        .category-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(6, 38, 28, 0.05) 30%, rgba(6, 38, 28, 0.9) 100%);
            transition: var(--t);
        }
        .category-card:hover .category-overlay {
            background: linear-gradient(180deg, rgba(6, 38, 28, 0.12) 20%, rgba(6, 38, 28, 0.95) 100%);
        }
        .category-body { position: relative; z-index: 2; padding: 32px 30px; width: 100%; color: #fff; }
        .cnt-tag {
            display: inline-flex; align-items: center; gap: 6px;
            font-size: 12px; font-weight: 700; letter-spacing: 1px;
            padding: 5px 14px; border-radius: 999px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            margin-bottom: 14px;
        }
        .category-body h3 { font-size: 25px; font-weight: 800; margin-bottom: 8px; }
        .category-body p { font-size: 14px; color: rgba(255, 255, 255, 0.85); margin-bottom: 6px; max-width: 420px; }
        .category-arrow {
            position: absolute; right: 28px; bottom: 32px;
            width: 44px; height: 44px; border-radius: 50%;
            background: rgba(255, 255, 255, 0.22);
            display: grid; place-items: center;
            color: #fff; font-size: 16px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: var(--t);
        }
        .category-card:hover .category-arrow { transform: translateX(6px); background: var(--accent); }

        /* ===== 资讯列表 ===== */
        .news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
        .news-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--t);
            display: flex; flex-direction: column;
        }
        .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .news-thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 9; }
        .news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
        .news-card:hover .news-thumb img { transform: scale(1.07); }
        .news-thumb .cover-tint {
            position: absolute; inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(8, 28, 22, 0.35));
        }
        .news-badge {
            position: absolute; top: 14px; left: 14px;
            background: var(--primary-grad);
            color: #fff; font-size: 12px; font-weight: 700;
            padding: 5px 14px; border-radius: 999px;
            box-shadow: 0 6px 16px rgba(8, 95, 66, 0.3);
            z-index: 2;
        }
        .news-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .news-body h3 { font-size: 18px; font-weight: 800; line-height: 1.5; margin-bottom: 10px; }
        .news-body h3 a { transition: var(--t); }
        .news-body h3 a:hover { color: var(--primary); }
        .news-body p {
            font-size: 14px; color: var(--ink-soft); line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-meta {
            margin-top: auto;
            display: flex; align-items: center; justify-content: space-between;
            font-size: 13px; color: var(--ink-faint);
            border-top: 1px solid var(--border);
            padding-top: 14px;
            flex-wrap: wrap; gap: 8px;
        }
        .news-meta i { margin-right: 6px; }
        .news-read { color: var(--primary); font-weight: 700; font-size: 13px; }
        .news-read i { font-size: 12px; transition: transform var(--t); }
        .news-card:hover .news-read i { transform: translateX(4px); }
        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--card);
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
            color: var(--ink-faint);
            font-size: 15px;
        }

        /* ===== 数据走廊 ===== */
        .stats-band {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 88px 0;
            color: #fff;
        }
        .stats-band::before {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(90deg, rgba(5, 42, 32, 0.94), rgba(14, 159, 110, 0.86));
        }
        .stats-grid {
            position: relative; z-index: 2;
            display: grid; grid-template-columns: repeat(4, 1fr);
            gap: 30px; text-align: center;
        }
        .stats-item .stats-num {
            font-size: 48px; font-weight: 900; line-height: 1.2;
            background: linear-gradient(180deg, #ffffff 20%, #ffe0a3 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
        }
        .stats-item .stats-label { font-size: 14px; color: rgba(255, 255, 255, 0.8); margin-top: 6px; }

        /* ===== 路径流程 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
        .step-card {
            position: relative;
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 38px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--t);
        }
        .step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .step-num {
            width: 50px; height: 50px; margin: 0 auto 18px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: #fff; font-size: 20px; font-weight: 800;
            display: grid; place-items: center;
            box-shadow: 0 10px 24px rgba(14, 159, 110, 0.3);
        }
        .step-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
        .step-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.75; }

        /* ===== FAQ 常见问题 ===== */
        .faq-wrap { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
        details.faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--t);
        }
        details.faq-item[open] { border-color: rgba(14, 159, 110, 0.25); box-shadow: var(--shadow-lg); }
        details.faq-item summary {
            display: flex; align-items: center; justify-content: space-between; gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            list-style: none;
            font-weight: 700; font-size: 16px; color: var(--ink);
            transition: var(--t);
        }
        details.faq-item summary::-webkit-details-marker { display: none; }
        details.faq-item summary:hover { color: var(--primary); }
        details.faq-item summary .faq-ic {
            width: 34px; height: 34px; border-radius: 50%;
            background: var(--primary-light); color: var(--primary);
            display: grid; place-items: center;
            flex-shrink: 0; font-size: 14px;
            transition: var(--t);
        }
        details.faq-item[open] summary .faq-ic { transform: rotate(45deg); background: var(--primary-grad); color: #fff; }
        details.faq-item .faq-body { padding: 0 24px 22px; font-size: 15px; color: var(--ink-soft); line-height: 1.85; }

        /* ===== CTA 行动区块 ===== */
        .cta-section { padding: 72px 0 88px; }
        .cta-card {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            padding: 70px 48px;
            color: #fff;
            background-size: cover;
            background-position: center;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-card::before {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(120deg, rgba(5, 42, 32, 0.92), rgba(10, 120, 84, 0.82));
        }
        .cta-content { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { font-size: 38px; font-weight: 900; margin-bottom: 14px; }
        .cta-content p { font-size: 16px; color: rgba(255, 255, 255, 0.86); margin-bottom: 32px; line-height: 1.8; }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .footer {
            background: #0a1f19;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 30px;
            margin-top: auto;
        }
        .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; }
        .foot-brand .foot-logo {
            font-size: 20px; font-weight: 800; color: #fff;
            margin-bottom: 14px;
            display: flex; align-items: center; gap: 10px;
        }
        .foot-brand .foot-logo i { color: var(--accent); }
        .foot-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 18px; }
        .foot-social { display: flex; gap: 10px; }
        .foot-social a {
            width: 38px; height: 38px; border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: grid; place-items: center;
            color: rgba(255, 255, 255, 0.7); font-size: 15px;
            transition: var(--t);
        }
        .foot-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .foot-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
        .foot-col a {
            display: block; padding: 6px 0;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--t);
        }
        .foot-col a:hover { color: var(--accent); transform: translateX(4px); }
        .foot-col p { font-size: 14px; color: rgba(255, 255, 255, 0.6); padding: 4px 0; }
        .foot-bottom {
            margin-top: 44px; padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex; justify-content: space-between; align-items: center;
            font-size: 13px; color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap; gap: 10px;
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1200px) {
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 1024px) {
            :root { --sidebar-w: 264px; }
            .content { margin-left: 0; }
            .mobile-header { display: flex; }
            .sidebar {
                transform: translateX(-110%);
                box-shadow: 20px 0 50px rgba(15, 43, 34, 0.18);
            }
            .sidebar.open { transform: translateX(0); }
            .sidebar-mask { display: block; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 26px; }
            .category-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .main-wrap { padding: 0 22px; }
            .hero { padding: 84px 0 76px; }
            .hero h1 { font-size: 36px; }
            .hero-lead { font-size: 17px; }
            .section { padding: 64px 0; }
            .section-head h2 { font-size: 29px; }
            .feature-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: 1fr; }
            .foot-grid { grid-template-columns: 1fr; gap: 32px; }
            .cta-card { padding: 52px 26px; }
            .cta-content h2 { font-size: 28px; }
            .hero-stats { gap: 12px; }
            .stat-chip { padding: 14px 20px; }
            .stat-chip strong { font-size: 24px; }
            .news-body h3 { font-size: 17px; }
        }

        @media (max-width: 520px) {
            .main-wrap { padding: 0 16px; }
            .hero h1 { font-size: 30px; }
            .hero-lead { font-size: 15px; }
            .hero-tag { font-size: 12px; padding: 6px 14px; }
            .hero-actions .btn { padding: 11px 22px; font-size: 14px; }
            .stat-chip { flex: 1; min-width: 130px; text-align: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .news-badge { font-size: 11px; padding: 4px 10px; }
            .news-body { padding: 18px 18px 20px; }
            .category-body { padding: 24px 22px; }
            .category-body h3 { font-size: 21px; }
            .category-arrow { right: 22px; bottom: 26px; }
            .cta-card { border-radius: 20px; padding: 44px 20px; }
            .cta-actions .btn { width: 100%; justify-content: center; }
            .foot-bottom { flex-direction: column; text-align: center; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-darker: #115e59;
  --primary-light: #ccfbf1;
  --primary-lighter: #f0fdfa;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --surface: #ffffff;
  --bg: #f8fafc;
  --text: #1e293b;
  --text-strong: #0f172a;
  --text-weak: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --border-soft: #f1f5f9;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.10);
  --sidebar-w: 264px;
  --trans: 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--surface);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--trans); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { color: var(--text-strong); line-height: 1.3; font-weight: 700; }

::selection { background: var(--primary-light); color: var(--primary-darker); }

/* ===== 布局骨架 ===== */
.site-shell { display: flex; min-height: 100vh; }
.main-area { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-width: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; width: 100%; }
.main-wrap { max-width: 1240px; margin: 0 auto; padding: 0 32px; width: 100%; }

/* ===== 侧边导航 ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  padding: 28px 20px 22px;
  z-index: 100;
  transition: transform var(--trans), box-shadow var(--trans);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-darker);
  padding: 8px 10px 24px;
  border-bottom: 1px solid var(--border-soft);
  letter-spacing: 0.5px;
}
.brand i { font-size: 24px; color: var(--primary); }
.sidebar-nav { padding: 24px 0; flex: 1; }
.nav-label {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 2px;
  padding: 0 12px;
  margin-bottom: 12px;
  font-weight: 600;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  margin-bottom: 4px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: background var(--trans), color var(--trans), transform 0.2s;
}
.nav-item i { width: 20px; text-align: center; font-size: 16px; color: var(--text-light); transition: color var(--trans); }
.nav-item:hover { background: var(--primary-lighter); color: var(--primary-dark); transform: translateX(2px); }
.nav-item:hover i { color: var(--primary); }
.nav-item.active { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(13, 148, 136, 0.25); }
.nav-item.active i { color: #fff; }
.sidebar-foot { padding-top: 18px; border-top: 1px solid var(--border-soft); text-align: center; }
.sidebar-foot p { font-size: 13px; color: var(--text-light); margin-bottom: 4px; letter-spacing: 1px; }

/* ===== 移动端顶栏 ===== */
.mobile-topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}
.mobile-brand { display: flex; align-items: center; gap: 8px; font-weight: 800; color: var(--primary-darker); font-size: 18px; }
.mobile-brand i { color: var(--primary); font-size: 20px; }
.menu-btn { width: 42px; height: 42px; border-radius: var(--radius-sm); background: var(--primary-lighter); color: var(--primary-dark); font-size: 18px; display: flex; align-items: center; justify-content: center; transition: background var(--trans); }
.menu-btn:hover { background: var(--primary-light); }

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 72px 0;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.55) 55%, rgba(13, 148, 136, 0.35) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 680px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.hero-content h1 { color: #fff; font-size: 42px; font-weight: 800; line-height: 1.25; margin-bottom: 18px; letter-spacing: 1px; }
.hero-content h1 span { color: #5eead4; }
.hero-content p { font-size: 17px; color: rgba(255, 255, 255, 0.9); max-width: 560px; margin-bottom: 30px; line-height: 1.8; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  line-height: 1.2;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(13, 148, 136, 0.25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(13, 148, 136, 0.35); }
.btn-light { background: #fff; color: var(--text-strong); }
.btn-light:hover { background: var(--primary-lighter); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: rgba(255, 255, 255, 0.5); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .nav-item:focus-visible, .menu-btn:focus-visible { outline: 3px solid rgba(13, 148, 136, 0.4); outline-offset: 2px; }

/* ===== 通用板块 ===== */
.section { padding: 76px 0; }
.section-head { max-width: 680px; margin-bottom: 50px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag {
  display: inline-block;
  background: var(--primary-lighter);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 30px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-title { font-size: 34px; font-weight: 800; margin-bottom: 14px; letter-spacing: 0.5px; }
.section-sub { font-size: 16px; color: var(--text-weak); line-height: 1.8; }

/* ===== 简介特性卡 ===== */
.intro-section { background: var(--primary-lighter); }
.intro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  background: var(--primary-lighter);
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--text-weak); line-height: 1.7; }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
  padding: 20px 0 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-weak); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 12px; }

/* ===== 运动项目网格 ===== */
.sport-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sport-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.sport-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sport-img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.sport-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.sport-card:hover .sport-img img { transform: scale(1.05); }
.sport-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(4px);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.sport-info { padding: 24px 24px 28px; }
.sport-info h3 { font-size: 20px; margin-bottom: 10px; }
.sport-info p { font-size: 14px; color: var(--text-weak); line-height: 1.75; margin-bottom: 18px; }
.sport-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); transition: gap 0.3s ease; }
.sport-more:hover { gap: 12px; }
.sport-more i { font-size: 13px; }

/* ===== 流程步骤 ===== */
.steps-section { background: var(--bg); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-item {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  position: relative;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num { font-size: 34px; font-weight: 800; color: var(--primary-light); display: block; line-height: 1.2; margin-bottom: 12px; letter-spacing: 1px; }
.step-item h3 { font-size: 17px; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--text-weak); line-height: 1.75; }

/* ===== 精选推荐 ===== */
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.featured-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.featured-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.featured-img { aspect-ratio: 16 / 10; overflow: hidden; }
.featured-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.featured-card:hover .featured-img img { transform: scale(1.04); }
.featured-body { padding: 26px 26px 30px; }
.featured-body h3 { font-size: 20px; margin-bottom: 10px; }
.featured-body p { font-size: 14px; color: var(--text-weak); margin-bottom: 16px; line-height: 1.75; }
.featured-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.mini-tag {
  font-size: 12px;
  background: var(--primary-lighter);
  color: var(--primary-dark);
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 600;
}

/* ===== 提示列表 ===== */
.tips-section { background: var(--primary-darker); position: relative; overflow: hidden; }
.tips-section .section-title { color: #fff; }
.tips-section .section-sub { color: rgba(255, 255, 255, 0.8); }
.tips-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 900px; }
.tip-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  color: #fff;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background 0.3s ease, transform 0.3s ease;
}
.tip-item:hover { background: rgba(255, 255, 255, 0.14); transform: translateX(4px); }
.tip-item i { color: #5eead4; font-size: 16px; flex-shrink: 0; }

/* ===== FAQ ===== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-strong);
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--border-soft); }
.faq-answer { padding: 20px 26px 24px; color: var(--text-weak); font-size: 15px; line-height: 1.85; background: var(--primary-lighter); }

/* ===== CTA ===== */
.cta-section { padding: 80px 0 88px; }
.cta-box {
  background: linear-gradient(120deg, var(--primary-darker) 0%, var(--primary) 60%, #14b8a6 100%);
  border-radius: 28px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: #fff;
  box-shadow: 0 20px 50px rgba(13, 148, 136, 0.3);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 40px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-box h2 { color: #fff; font-size: 32px; margin-bottom: 14px; position: relative; }
.cta-box p { color: rgba(255, 255, 255, 0.9); font-size: 16px; margin-bottom: 30px; position: relative; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ===== Footer ===== */
.footer { background: #0f172a; color: rgba(255, 255, 255, 0.7); padding: 64px 0 0; margin-top: auto; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 44px; }
.foot-logo { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.foot-logo i { color: #2dd4bf; }
.foot-brand p { font-size: 14px; line-height: 1.85; margin-bottom: 20px; max-width: 360px; }
.foot-social { display: flex; gap: 12px; }
.foot-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  transition: background 0.3s ease, transform 0.3s ease;
}
.foot-social a:hover { background: var(--primary); transform: translateY(-3px); }
.foot-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 700; }
.foot-col a { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-bottom: 12px; transition: color 0.3s ease, padding-left 0.3s ease; }
.foot-col a:hover { color: #fff; padding-left: 6px; }
.foot-col p { font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-bottom: 10px; line-height: 1.7; }
.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .sport-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .featured-grid { gap: 20px; }
}

@media (max-width: 991px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .intro-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 280px; }
  .sidebar { transform: translateX(-100%); box-shadow: none; }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main-area { margin-left: 0; }
  .mobile-topbar { display: flex; }
  .container, .main-wrap { padding: 0 20px; }
  .section { padding: 52px 0; }
  .page-hero { min-height: 380px; padding: 56px 0; }
  .section-title { font-size: 28px; }
  .section-head { margin-bottom: 36px; }
  .hero-content h1 { font-size: 32px; }
  .hero-content p { font-size: 15px; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .btn { padding: 12px 24px; font-size: 14px; }
  .tips-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .foot-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .container, .main-wrap { padding: 0 16px; }
  .section { padding: 44px 0; }
  .sport-grid, .featured-grid, .steps-grid, .intro-grid { grid-template-columns: 1fr; }
  .page-hero { min-height: 340px; padding: 48px 0; }
  .hero-content h1 { font-size: 27px; }
  .section-title { font-size: 24px; }
  .section-sub { font-size: 15px; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 26px; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-answer { padding: 16px 20px 20px; }
  .sport-info h3 { font-size: 18px; }
  .featured-body h3 { font-size: 18px; }
  .brand { font-size: 18px; }
}

/* roulang page: article */
:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #EFF6FF;
    --accent: #F59E0B;
    --accent-light: #FFFBEB;
    --dark: #1E293B;
    --dark-2: #0F172A;
    --bg: #F8FAFC;
    --card: #FFFFFF;
    --text: #1E293B;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(15,23,42,0.06);
    --shadow-md: 0 8px 24px rgba(15,23,42,0.08);
    --shadow-lg: 0 16px 40px rgba(15,23,42,0.12);
    --transition: all .3s ease;
    --sidebar-width: 250px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea { font-family: inherit; }

.site-layout { min-height: 100vh; }
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-width);
    background: var(--dark); z-index: 1000; display: flex; flex-direction: column;
    padding: 28px 0 0; overflow-y: auto; transition: left .3s ease;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px; padding: 0 24px 28px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand i {
    width: 42px; height: 42px; border-radius: 12px; background: var(--primary);
    display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px;
    box-shadow: 0 6px 16px rgba(59,130,246,.35);
}
.sidebar-brand span { color: #fff; font-size: 16px; font-weight: 700; letter-spacing: .5px; line-height: 1.3; }
.sidebar-nav { padding: 20px 14px; flex: 1; }
.nav-label { font-size: 12px; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: 2px; padding: 0 12px 12px; font-weight: 600; }
.nav-item {
    display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: 12px;
    color: rgba(255,255,255,.65); font-size: 14px; font-weight: 500; margin-bottom: 4px;
    transition: var(--transition); border: 1px solid transparent;
}
.nav-item i { width: 22px; text-align: center; font-size: 15px; }
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(59,130,246,.3); }
.sidebar-foot { padding: 20px 14px; }
.side-tip {
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
    border-radius: 16px; padding: 20px; text-align: center;
}
.side-tip i { font-size: 24px; color: var(--accent); margin-bottom: 8px; }
.side-tip p { color: rgba(255,255,255,.7); font-size: 13px; line-height: 1.6; margin-bottom: 12px; }
.side-link {
    display: inline-block; padding: 8px 20px; background: var(--primary); color: #fff;
    border-radius: 50px; font-size: 13px; font-weight: 600; transition: var(--transition);
}
.side-link:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(59,130,246,.35); }

.main-area { margin-left: var(--sidebar-width); min-width: 0; display: flex; flex-direction: column; min-height: 100vh; }
.mobile-header {
    display: none; position: sticky; top: 0; z-index: 999; background: var(--dark);
    padding: 14px 20px; align-items: center; justify-content: space-between;
}
.mobile-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 15px; }
.mobile-brand i {
    width: 34px; height: 34px; border-radius: 10px; background: var(--primary);
    display: flex; align-items: center; justify-content: center; font-size: 14px; color: #fff;
}
.menu-toggle { color: #fff; font-size: 20px; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.menu-toggle:hover { background: rgba(255,255,255,.2); }
.sidebar-overlay { position: fixed; inset: 0; background: rgba(15,23,42,.6); z-index: 998; opacity: 0; visibility: hidden; transition: var(--transition); }
.sidebar-overlay.show { opacity: 1; visibility: visible; }

.page-banner {
    position: relative; background-size: cover; background-position: center;
    padding: 80px 0 70px; overflow: hidden;
}
.banner-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,.88) 0%, rgba(30,41,59,.72) 60%, rgba(59,130,246,.55) 100%); }
.banner-content { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.banner-tag {
    display: inline-block; background: rgba(255,255,255,.15); backdrop-filter: blur(8px);
    color: rgba(255,255,255,.9); padding: 8px 18px; border-radius: 50px; font-size: 13px;
    font-weight: 600; letter-spacing: 1px; margin-bottom: 16px; border: 1px solid rgba(255,255,255,.2);
}
.banner-content h2 { color: #fff; font-size: 36px; line-height: 1.3; font-weight: 800; margin-bottom: 12px; letter-spacing: .5px; }
.banner-content p { color: rgba(255,255,255,.75); font-size: 16px; max-width: 600px; }

.main-wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; width: 100%; }

.breadcrumb { display: flex; align-items: center; gap: 8px; padding: 24px 0 20px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.breadcrumb a { color: var(--primary); transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary-dark); }
.breadcrumb i { font-size: 10px; color: #CBD5E1; }
.breadcrumb span { color: var(--text-muted); max-width: 260px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.article-layout { margin-bottom: 32px; }
.article-detail {
    background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow-md);
    padding: 40px 44px; border: 1px solid var(--border);
}
.article-head { margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.article-tags { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.badge {
    display: inline-block; padding: 5px 14px; border-radius: 50px; font-size: 12px;
    font-weight: 600; background: var(--primary-light); color: var(--primary); letter-spacing: .5px;
}
.badge-light { background: #F1F5F9; color: var(--text-muted); }
.article-head h1 { font-size: 32px; line-height: 1.4; font-weight: 800; color: var(--text); margin-bottom: 14px; letter-spacing: -.5px; }
.article-meta { display: flex; align-items: center; gap: 20px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.article-meta i { margin-right: 6px; color: #94A3B8; }
.article-body { font-size: 16px; line-height: 1.95; color: #334155; }
.article-body p { margin-bottom: 20px; }
.article-body h2 { font-size: 24px; color: var(--text); margin: 40px 0 16px; font-weight: 700; }
.article-body h3 { font-size: 20px; color: var(--text); margin: 32px 0 12px; font-weight: 700; }
.article-body img { max-width: 100%; border-radius: 12px; margin: 24px 0; box-shadow: var(--shadow-sm); }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 24px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); text-decoration: underline; transition: var(--transition); }
.article-body a:hover { color: var(--primary-dark); }
.article-body blockquote { border-left: 4px solid var(--primary); padding: 16px 20px; background: var(--primary-light); border-radius: 0 12px 12px 0; margin: 24px 0; color: #475569; }
.article-body blockquote p { margin-bottom: 0; }
.article-body code { background: #F1F5F9; padding: 2px 8px; border-radius: 6px; font-size: 14px; }
.not-found { text-align: center; padding: 60px 20px; }
.not-found i { font-size: 48px; color: #CBD5E1; margin-bottom: 16px; }
.not-found h2 { font-size: 24px; color: var(--text); margin-bottom: 8px; }
.not-found p { color: var(--text-muted); margin-bottom: 24px; }

.related-posts { margin-bottom: 48px; }
.section-head { margin-bottom: 24px; display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.section-head h2 { font-size: 24px; font-weight: 800; color: var(--text); position: relative; padding-left: 16px; }
.section-head h2::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 2px; background: var(--primary); }
.section-head p { color: var(--text-muted); font-size: 14px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
    background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
    box-shadow: var(--shadow-sm); transition: var(--transition); display: block; height: 100%;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.related-cover { position: relative; overflow: hidden; aspect-ratio: 16/10; background: #E2E8F0; }
.related-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-cover img { transform: scale(1.05); }
.related-cat {
    position: absolute; top: 12px; left: 12px; background: rgba(255,255,255,.92); backdrop-filter: blur(6px);
    color: var(--primary); font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 50px;
    box-shadow: 0 4px 12px rgba(15,23,42,.15);
}
.related-info { padding: 20px; }
.related-info h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-info p { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-date { font-size: 12px; color: #94A3B8; }
.related-date i { margin-right: 4px; }
.empty { text-align: center; color: var(--text-muted); padding: 40px 0; font-size: 15px; }

.cta-section { margin-bottom: 56px; }
.cta-box {
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%); border-radius: 24px;
    padding: 60px 40px; text-align: center; position: relative; overflow: hidden;
}
.cta-box::before {
    content: ''; position: absolute; top: -60px; right: -60px; width: 200px; height: 200px;
    background: rgba(59,130,246,.25); border-radius: 50%; filter: blur(40px);
}
.cta-box::after {
    content: ''; position: absolute; bottom: -80px; left: -40px; width: 180px; height: 180px;
    background: rgba(245,158,11,.18); border-radius: 50%; filter: blur(40px);
}
.cta-icon {
    width: 64px; height: 64px; border-radius: 20px; background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 20px;
    box-shadow: 0 12px 28px rgba(59,130,246,.4); position: relative; z-index: 1;
}
.cta-box h2 { color: #fff; font-size: 28px; font-weight: 800; margin-bottom: 12px; position: relative; z-index: 1; }
.cta-box p { color: rgba(255,255,255,.7); font-size: 15px; margin-bottom: 28px; position: relative; z-index: 1; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 30px; border-radius: 50px; font-size: 15px; font-weight: 600;
    border: 2px solid transparent; transition: var(--transition); line-height: 1.4; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 10px 24px rgba(59,130,246,.4); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); transform: translateY(-3px); }
.btn:focus-visible { outline: 3px solid rgba(59,130,246,.5); outline-offset: 2px; }

.footer { background: var(--dark-2); color: rgba(255,255,255,.7); padding: 56px 0 24px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.foot-brand .foot-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 14px; }
.foot-logo i {
    width: 38px; height: 38px; border-radius: 10px; background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.foot-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.55); max-width: 360px; margin-bottom: 20px; }
.foot-social { display: flex; gap: 12px; }
.foot-social a {
    width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08);
    display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.8);
    transition: var(--transition); font-size: 15px;
}
.foot-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.foot-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.foot-col a, .foot-col p { display: block; font-size: 14px; color: rgba(255,255,255,.5); margin-bottom: 10px; transition: var(--transition); }
.foot-col a:hover { color: #fff; padding-left: 4px; }
.foot-bottom {
    border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
    font-size: 13px; color: rgba(255,255,255,.4);
}

@media (max-width: 1024px) {
    .sidebar { left: calc(-1 * var(--sidebar-width) - 20px); }
    .sidebar.open { left: 0; }
    .main-area { margin-left: 0; }
    .mobile-header { display: flex; }
    .page-banner { padding: 60px 0 50px; }
    .page-banner h2 { font-size: 28px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .article-detail { padding: 32px 28px; }
}
@media (max-width: 768px) {
    .main-wrap { padding: 0 18px; }
    .breadcrumb { padding: 16px 0 14px; }
    .page-banner { padding: 48px 0 40px; }
    .page-banner h2 { font-size: 24px; }
    .page-banner p { font-size: 14px; }
    .article-detail { padding: 24px 18px; border-radius: 14px; }
    .article-head h1 { font-size: 24px; }
    .related-grid { grid-template-columns: 1fr; gap: 16px; }
    .foot-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-box { padding: 42px 20px; }
    .cta-box h2 { font-size: 22px; }
    .cta-btns { flex-direction: column; }
    .footer { padding: 40px 0 20px; }
}
@media (max-width: 520px) {
    .banner-content { padding: 0 18px; }
    .banner-tag { font-size: 12px; }
    .article-head h1 { font-size: 21px; }
    .article-body { font-size: 15px; }
    .article-meta { gap: 12px; }
    .article-detail { padding: 20px 14px; }
    .breadcrumb { font-size: 12px; }
    .breadcrumb span { max-width: 140px; }
}

/* roulang page: category2 */
:root{
  --primary:#1a2e6c;
  --primary-dark:#10214f;
  --accent:#ff7a18;
  --accent-light:#ff9d4d;
  --teal:#00bfa6;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1e2a3b;
  --text-light:#65728a;
  --border:#e5eaf1;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 4px 14px rgba(26,46,108,.06);
  --shadow:0 10px 34px rgba(26,46,108,.08);
  --shadow-lg:0 20px 50px rgba(15,33,79,.12);
  --sidebar-w:270px;
  --transition:all .25s ease;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button{border:none;background:none;cursor:pointer;font-family:inherit}
input,textarea{font-family:inherit}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.layout{display:flex;min-height:100vh;background:var(--bg)}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:var(--primary-dark);z-index:120;display:flex;flex-direction:column;color:#fff;box-shadow:4px 0 30px rgba(15,33,79,.18)}
.sidebar-head{padding:30px 24px 22px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;letter-spacing:.5px}
.brand i{color:var(--accent);font-size:22px}
.brand:hover{opacity:.88}
.sidebar-nav{padding:22px 16px;flex:1;overflow-y:auto}
.nav-label{font-size:12px;text-transform:uppercase;letter-spacing:1.2px;color:rgba(255,255,255,.45);padding:0 12px;margin-bottom:12px;font-weight:600}
.nav-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;color:rgba(255,255,255,.72);font-size:15px;font-weight:500;margin-bottom:6px;transition:var(--transition)}
.nav-item i{width:22px;text-align:center;font-size:16px}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
.nav-item.active{background:linear-gradient(135deg,rgba(255,122,24,.22),rgba(255,122,24,.06));color:#fff;box-shadow:inset 0 0 0 1px rgba(255,122,24,.38);font-weight:600}
.sidebar-extra{padding:20px 16px 26px}
.side-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:20px}
.side-card h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:8px}
.side-card p{color:rgba(255,255,255,.6);font-size:13px;line-height:1.7;margin-bottom:14px}
.side-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:600}
.side-link:hover{gap:10px}
.main-area{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}
.main-wrap{width:100%;max-width:1240px;margin:0 auto;padding-left:34px;padding-right:34px}
.mobile-header{display:none;position:sticky;top:0;z-index:110;background:var(--primary-dark);color:#fff;padding:13px 20px;align-items:center;justify-content:space-between;box-shadow:0 4px 16px rgba(15,33,79,.22)}
.mobile-brand{color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;gap:8px}
.mobile-brand i{color:var(--accent);font-size:19px}
.menu-btn{color:#fff;font-size:20px;padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.menu-btn:hover{background:rgba(255,255,255,.1)}
.menu-overlay{display:none;position:fixed;inset:0;background:rgba(15,33,79,.55);z-index:105;backdrop-filter:blur(2px)}
.page-banner{position:relative;background:linear-gradient(105deg,rgba(15,33,79,.94) 30%,rgba(26,46,108,.62) 65%,rgba(255,122,24,.32)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:86px 0 78px;color:#fff;overflow:hidden}
.banner-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(10px);padding:8px 20px;border-radius:100px;font-size:14px;font-weight:500;margin-bottom:22px}
.banner-content h1{font-size:44px;line-height:1.22;margin-bottom:16px;font-weight:800;letter-spacing:1px}
.banner-content p{font-size:16px;color:rgba(255,255,255,.85);max-width:580px;margin-bottom:28px;line-height:1.8}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:100px;font-size:15px;font-weight:600;transition:var(--transition);border:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(255,122,24,.36)}
.btn-primary:hover{background:#ff8d33;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,122,24,.46)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.36);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.stats-section{position:relative;padding:0 0 36px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:-38px;position:relative;z-index:2}
.stat-card{background:var(--card);border-radius:var(--radius);padding:28px 22px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border);transition:var(--transition)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-num{font-size:38px;font-weight:800;color:var(--accent);line-height:1.15}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;font-weight:500}
.section{padding:72px 0}
.section-white{background:var(--card)}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{font-size:32px;font-weight:800;color:var(--primary-dark);margin-bottom:8px;letter-spacing:.5px}
.section-head p{color:var(--text-light);font-size:15px}
.section-head .title-tag{display:inline-block;background:rgba(255,122,24,.12);color:var(--accent);font-size:13px;font-weight:700;padding:5px 16px;border-radius:100px;margin-bottom:14px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#d6dff0}
.news-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--border)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-media img{transform:scale(1.06)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag{display:inline-block;background:rgba(255,122,24,.12);color:var(--accent);font-size:12px;font-weight:600;padding:4px 12px;border-radius:100px}
.news-date{font-size:13px;color:var(--text-light)}
.news-date i{margin-right:4px;font-size:12px}
.news-body h3{font-size:18px;line-height:1.5;font-weight:700}
.news-body h3 a:hover{color:var(--accent)}
.news-body p{font-size:14px;color:var(--text-light);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .25s ease,color .25s ease}
.news-more:hover{color:var(--accent);gap:10px}
.cat-section{background:var(--card)}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{padding:28px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);transition:var(--transition);position:relative;overflow:hidden}
.cat-card::after{content:'';position:absolute;width:90px;height:90px;border-radius:50%;background:rgba(26,46,108,.04);top:-30px;right:-30px;transition:var(--transition)}
.cat-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-4px)}
.cat-card:hover::after{background:rgba(255,122,24,.1);transform:scale(1.6)}
.cat-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:20px;margin-bottom:16px;box-shadow:0 6px 18px rgba(26,46,108,.28)}
.cat-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--primary-dark)}
.cat-card p{font-size:14px;color:var(--text-light);margin-bottom:14px;line-height:1.7}
.cat-count{font-size:13px;color:var(--accent);font-weight:600}
.cat-card:hover .cat-icon{background:linear-gradient(135deg,var(--accent),#ff8d33)}
.schedule-section{background:var(--card)}
.schedule-list{display:flex;flex-direction:column;gap:14px}
.schedule-item{display:flex;align-items:center;gap:20px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px 24px;transition:var(--transition)}
.schedule-item:hover{box-shadow:var(--shadow);transform:translateX(6px);border-color:#d6dff0;background:var(--card)}
.schedule-date{background:var(--primary);color:#fff;border-radius:14px;padding:10px 16px;text-align:center;min-width:64px;box-shadow:0 6px 16px rgba(26,46,108,.24);flex-shrink:0}
.schedule-date .d{font-size:20px;font-weight:800;line-height:1.1}
.schedule-date .m{font-size:12px;opacity:.8}
.schedule-time{font-size:16px;font-weight:700;color:var(--text);width:74px;flex-shrink:0}
.schedule-info{flex:1;min-width:0}
.schedule-info .event-name{font-weight:700;font-size:16px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.schedule-info .venue{font-size:13px;color:var(--text-light);margin-top:2px}
.schedule-status{padding:6px 16px;border-radius:100px;font-size:13px;font-weight:600;background:rgba(0,191,166,.12);color:var(--teal);flex-shrink:0}
.schedule-status.hot{background:rgba(255,122,24,.12);color:var(--accent)}
.rank-section{background:var(--primary-dark);color:#fff;position:relative;overflow:hidden}
.rank-section::before{content:'';position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(255,122,24,.12);top:-140px;right:-100px}
.rank-section .section-head h2{color:#fff}
.rank-section .section-head p{color:rgba(255,255,255,.55)}
.rank-section .title-tag{background:rgba(255,122,24,.2);color:#ffb07a}
.rank-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;position:relative;z-index:1}
.rank-item{display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:18px 20px;transition:var(--transition)}
.rank-item:hover{background:rgba(255,255,255,.13);transform:translateY(-3px);border-color:rgba(255,122,24,.4)}
.rank-num{font-size:24px;font-weight:800;color:var(--accent);width:38px;text-align:center;flex-shrink:0}
.rank-info{flex:1;min-width:0}
.rank-info h4{font-size:15px;font-weight:600;margin-bottom:4px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info .rank-meta{font-size:13px;color:rgba(255,255,255,.5)}
.rank-views{color:#ffb07a;font-weight:700;font-size:15px;flex-shrink:0}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:var(--transition)}
.faq-item:hover{box-shadow:var(--shadow);border-color:#d6dff0;transform:translateY(-3px)}
.faq-item h3{display:flex;align-items:flex-start;gap:10px;font-size:17px;font-weight:700;margin-bottom:12px;color:var(--primary-dark)}
.faq-item h3 i{color:var(--accent);margin-top:5px;font-size:15px;flex-shrink:0}
.faq-item p{font-size:14px;color:var(--text-light);padding-left:26px;line-height:1.8}
.cta-section{padding:64px 0}
.cta-box{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:24px;padding:52px 40px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-box::before{content:'';position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(255,122,24,.25);top:-90px;right:-70px}
.cta-box::after{content:'';position:absolute;width:190px;height:190px;border-radius:50%;background:rgba(0,191,166,.18);bottom:-70px;left:-50px}
.cta-box h2{font-size:30px;font-weight:800;margin-bottom:12px;position:relative;z-index:1}
.cta-box p{font-size:15px;color:rgba(255,255,255,.85);margin-bottom:26px;position:relative;z-index:1;max-width:520px;margin-left:auto;margin-right:auto}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:14px 36px;border-radius:100px;font-weight:600;font-size:15px;transition:var(--transition);position:relative;z-index:1;box-shadow:0 8px 24px rgba(255,122,24,.35)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,122,24,.46);color:#fff;background:#ff8d33}
.footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:60px 0 0}
.footer .main-wrap{background:transparent}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .foot-logo{font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .foot-logo i{color:var(--accent);font-size:22px}
.foot-brand p{font-size:14px;line-height:1.8;margin-bottom:18px;max-width:320px;color:rgba(255,255,255,.6)}
.foot-social{display:flex;gap:12px}
.foot-social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;transition:var(--transition)}
.foot-social a:hover{background:var(--accent);transform:translateY(-3px);color:#fff}
.foot-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-col a,.foot-col p{display:block;color:rgba(255,255,255,.6);font-size:14px;margin-bottom:10px;transition:var(--transition)}
.foot-col a:hover{color:var(--accent);transform:translateX(3px)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding:22px 0;flex-wrap:wrap;gap:8px;color:rgba(255,255,255,.45);font-size:13px}
@media(max-width:1200px){
  .banner-content h1{font-size:38px}
  .stat-num{font-size:32px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:991px){
  .sidebar{transform:translateX(-105%);transition:transform .32s ease;box-shadow:6px 0 30px rgba(15,33,79,.3)}
  .sidebar.open{transform:translateX(0)}
  .main-area{margin-left:0}
  .mobile-header{display:flex}
  .menu-overlay.show{display:block}
  .main-wrap{padding-left:22px;padding-right:22px}
  .page-banner{padding:70px 0 64px}
  .banner-content h1{font-size:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .schedule-item{flex-wrap:wrap;gap:14px}
  .schedule-info{flex:1 1 calc(100% - 150px)}
  .rank-list{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .foot-brand{grid-column:1/-1}
}
@media(max-width:767px){
  .section{padding:54px 0}
  .banner-content h1{font-size:29px}
  .banner-content p{font-size:15px}
  .news-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .schedule-item{flex-direction:column;align-items:flex-start}
  .schedule-date{min-width:auto;display:inline-flex;align-items:center;gap:6px}
  .schedule-time{width:auto}
  .schedule-info{flex:1;width:100%}
  .schedule-info .event-name{white-space:normal}
  .cta-box{padding:40px 24px}
  .cta-box h2{font-size:26px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .main-wrap{padding-left:16px;padding-right:16px}
  .page-banner{padding:58px 0 50px}
  .banner-content h1{font-size:25px;letter-spacing:.5px}
  .banner-actions .btn{padding:12px 22px;font-size:14px}
  .stat-grid{gap:14px}
  .stat-card{padding:20px 12px}
  .stat-num{font-size:28px}
  .stat-label{font-size:13px}
  .section-head h2{font-size:26px}
  .section-head p{font-size:14px}
  .news-body{padding:18px}
  .news-body h3{font-size:17px}
  .rank-list{grid-template-columns:1fr}
  .faq-item{padding:20px}
  .cta-section{padding:44px 0}
  .cta-box{padding:32px 20px}
  .cta-box h2{font-size:22px}
}