/* roulang page: index */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color 0.18s ease; }
        a:hover { color: var(--accent); }
        img { max-width: 100%; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 56px 0; }
        .section-title { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; letter-spacing: 0.02em; }
        .section-subtitle { font-size: 15.5px; color: var(--text-muted); margin-bottom: 32px; line-height: 1.75; }
        .card {
            background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius);
            box-shadow: var(--shadow); transition: all 0.18s ease; overflow: hidden;
        }
        .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn {
            display: inline-block; padding: 10px 22px; border-radius: 10px; font-weight: 600;
            font-size: 15px; transition: all 0.18s ease; cursor: pointer; border: none; text-align: center;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-deep); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-accent { background: var(--accent); color: #fff; }
        .btn-accent:hover { background: #d9741f; color: #fff; }
        .btn:focus-visible { outline: 3px solid rgba(232, 131, 46, 0.35); outline-offset: 2px; }
        .tag {
            display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12.5px;
            font-weight: 600; background: #eef3f0; color: var(--primary); margin-right: 6px;
        }
        .tag-accent { background: #fdf1e7; color: var(--accent); }
        .badge {
            display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600;
            background: var(--accent-soft); color: var(--accent);
        }
        .num-tabular { font-variant-numeric: tabular-nums; }
        .divider { border: 0; height: 1px; background: var(--border); margin: 20px 0; }
        details.faq-item { border: 1px solid var(--border-soft); border-radius: 12px; background: var(--card); padding: 0; margin-bottom: 10px; }
        details.faq-item summary {
            padding: 14px 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between;
            align-items: center; list-style: none; font-size: 15px; color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker { display: none; }
        details.faq-item summary::after { content: "＋"; font-size: 18px; color: var(--text-muted); transition: transform 0.2s ease; }
        details.faq-item[open] summary::after { content: "−"; }
        details.faq-item .faq-answer { padding: 0 18px 16px; color: var(--text-muted); font-size: 14.5px; line-height: 1.75; }
        input[type="text"], input[type="email"], input[type="tel"], select {
            width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
            font-size: 15px; background: #fff; color: var(--text); transition: border-color 0.18s ease;
        }
        input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(12,59,46,0.08); }
        .nav-link { position: relative; font-size: 14.5px; font-weight: 500; color: var(--text); padding: 6px 10px; border-radius: 8px; transition: all 0.18s ease; white-space: nowrap; }
        .nav-link:hover { color: var(--primary); background: rgba(12,59,46,0.06); }
        .nav-link.active { color: var(--primary); font-weight: 700; background: rgba(12,59,46,0.08); }
        .city-picker { display: flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 5px 10px; font-size: 13px; }
        .city-picker select { border: none; background: transparent; font-size: 13px; padding: 2px 4px; color: var(--text); }
        .city-picker select:focus { box-shadow: none; }
        .mobile-menu { display: none; }
        .city-scroll { display: flex; gap: 6px; overflow-x: auto; padding: 6px 0; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
        .city-scroll::-webkit-scrollbar { display: none; }
        .city-chip {
            flex-shrink: 0; padding: 5px 12px; border-radius: 20px; background: #fff; border: 1px solid var(--border);
            font-size: 12.5px; cursor: pointer; transition: all 0.18s ease; font-weight: 500;
        }
        .city-chip:hover, .city-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        footer { background: var(--primary-deep); color: rgba(255,255,255,0.75); }
        footer a { color: rgba(255,255,255,0.7); font-size: 13px; }
        footer a:hover { color: var(--accent); }
        .footer-title { color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 10px; }
        @media (max-width: 1024px) {
            .section { padding: 44px 0; }
            .section-title { font-size: 23px; }
        }
        @media (max-width: 768px) {
            .section { padding: 36px 0; }
            .section-title { font-size: 22px; }
            .mobile-menu { display: flex; }
            .desktop-nav { display: none; }
            .mobile-nav-panel { display: none; }
            .mobile-nav-panel.open { display: block; }
            body { font-size: 15px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .section-title { font-size: 20px; }
            .btn { padding: 8px 16px; font-size: 14px; }
        }

/* roulang page: category1 */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color 0.18s ease; }
        a:hover { color: var(--accent); }
        img { max-width: 100%; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 52px 0; }
        .section-title { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; letter-spacing: 0.02em; }
        .section-subtitle { font-size: 15.5px; color: var(--text-muted); margin-bottom: 32px; line-height: 1.75; }
        .card {
            background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius);
            box-shadow: var(--shadow); transition: all 0.18s ease; overflow: hidden;
        }
        .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn {
            display: inline-block; padding: 10px 22px; border-radius: 10px; font-weight: 600;
            font-size: 15px; transition: all 0.18s ease; cursor: pointer; border: none; text-align: center;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-deep); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-accent { background: var(--accent); color: #fff; }
        .btn-accent:hover { background: #d9741f; color: #fff; }
        .btn:focus-visible { outline: 3px solid rgba(232, 131, 46, 0.35); outline-offset: 2px; }
        .tag {
            display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12.5px;
            font-weight: 600; background: #eef3f0; color: var(--primary); margin-right: 6px;
        }
        .tag-accent { background: #fdf1e7; color: var(--accent); }
        .badge {
            display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600;
            background: var(--accent-soft); color: var(--accent);
        }
        .divider { border: 0; height: 1px; background: var(--border); margin: 20px 0; }
        details.faq-item { border: 1px solid var(--border-soft); border-radius: 12px; background: var(--card); padding: 0; margin-bottom: 10px; }
        details.faq-item summary {
            padding: 14px 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between;
            align-items: center; list-style: none; font-size: 15px; color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker { display: none; }
        details.faq-item summary::after { content: "＋"; font-size: 18px; color: var(--text-muted); transition: transform 0.2s ease; }
        details.faq-item[open] summary::after { content: "−"; }
        details.faq-item .faq-answer { padding: 0 18px 16px; color: var(--text-muted); font-size: 14.5px; line-height: 1.75; }
        input[type="text"], input[type="email"], input[type="tel"], select {
            width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
            font-size: 15px; background: #fff; color: var(--text); transition: border-color 0.18s ease;
        }
        input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(12,59,46,0.08); }
        .nav-link { position: relative; font-size: 14.5px; font-weight: 500; color: var(--text); padding: 6px 10px; border-radius: 8px; transition: all 0.18s ease; white-space: nowrap; }
        .nav-link:hover { color: var(--primary); background: rgba(12,59,46,0.06); }
        .nav-link.active { color: var(--primary); font-weight: 700; background: rgba(12,59,46,0.08); }
        .city-picker select { border: none; background: transparent; font-size: 13px; padding: 2px 4px; color: var(--text); }
        .city-picker select:focus { box-shadow: none; }
        .mobile-menu { display: none; }
        .mobile-nav-panel { display: none; background: #fff; border-bottom: 1px solid var(--border); padding: 0 0 12px; }
        .mobile-nav-panel.open { display: block; }
        .city-chip {
            flex-shrink: 0; padding: 5px 12px; border-radius: 20px; background: #fff; border: 1px solid var(--border);
            font-size: 12.5px; cursor: pointer; transition: all 0.18s ease; font-weight: 500;
        }
        .city-chip:hover, .city-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        footer { background: var(--primary-deep); color: rgba(255,255,255,0.75); }
        footer a { color: rgba(255,255,255,0.7); font-size: 13px; }
        footer a:hover { color: var(--accent); }
        .footer-title { color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 10px; }

        /* 分类页特有样式 */
        .breadcrumb { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--accent); }
        .data-stat { text-align: center; padding: 18px 10px; }
        .data-stat .num { font-size: 30px; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; line-height: 1.2; }
        .data-stat .lbl { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
        .match-card { display: flex; gap: 16px; padding: 18px; }
        .match-card .thumb { flex-shrink: 0; width: 150px; height: 100px; border-radius: 10px; overflow: hidden; background: #eef3f0; }
        .match-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
        .match-card .info { flex: 1; display: flex; flex-direction: column; }
        .match-card .teams { font-size: 17px; font-weight: 700; color: var(--text); margin: 4px 0 6px; }
        .match-card .meta { font-size: 12.5px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .match-card .summary { font-size: 13.5px; color: var(--text-muted); line-height: 1.65; margin-top: 6px; flex: 1; }
        .match-card .action { margin-top: 8px; }
        .tool-strip { display: flex; gap: 12px; flex-wrap: wrap; }
        .tool-item { flex: 1 1 200px; padding: 16px 18px; border-radius: 12px; background: var(--card); border: 1px solid var(--border-soft); display: flex; align-items: center; gap: 12px; transition: all 0.18s ease; }
        .tool-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
        .tool-item .icon { width: 38px; height: 38px; border-radius: 10px; background: #eef3f0; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; flex-shrink: 0; }
        .tool-item .t { font-weight: 600; font-size: 14.5px; color: var(--text); }
        .tool-item .d { font-size: 12.5px; color: var(--text-muted); }
        .info-bar { background: #eef3f0; border-left: 4px solid var(--primary); padding: 14px 18px; border-radius: 8px; font-size: 14px; color: var(--text); margin-bottom: 16px; }

        @media (max-width: 1024px) {
            .section { padding: 44px 0; }
            .section-title { font-size: 23px; }
            .match-card .thumb { width: 120px; height: 84px; }
        }
        @media (max-width: 768px) {
            .section { padding: 36px 0; }
            .section-title { font-size: 22px; }
            .mobile-menu { display: flex; }
            .desktop-nav { display: none; }
            .mobile-nav-panel { display: none; }
            .mobile-nav-panel.open { display: block; }
            body { font-size: 15px; }
            .match-card { flex-direction: column; gap: 12px; }
            .match-card .thumb { width: 100%; height: 150px; }
            .data-stat .num { font-size: 24px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .section-title { font-size: 20px; }
            .btn { padding: 8px 16px; font-size: 14px; }
            .tool-strip { flex-direction: column; }
        }

/* roulang page: category3 */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color 0.18s ease; }
        a:hover { color: var(--accent); }
        img { max-width: 100%; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 56px 0; }
        .section-title { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; letter-spacing: 0.02em; }
        .section-subtitle { font-size: 15.5px; color: var(--text-muted); margin-bottom: 32px; line-height: 1.75; }
        .card {
            background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius);
            box-shadow: var(--shadow); transition: all 0.18s ease; overflow: hidden;
        }
        .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn {
            display: inline-block; padding: 10px 22px; border-radius: 10px; font-weight: 600;
            font-size: 15px; transition: all 0.18s ease; cursor: pointer; border: none; text-align: center;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-deep); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-accent { background: var(--accent); color: #fff; }
        .btn-accent:hover { background: #d9741f; color: #fff; }
        .btn:focus-visible { outline: 3px solid rgba(232, 131, 46, 0.35); outline-offset: 2px; }
        .tag {
            display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12.5px;
            font-weight: 600; background: #eef3f0; color: var(--primary); margin-right: 6px;
        }
        .tag-accent { background: #fdf1e7; color: var(--accent); }
        .badge {
            display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600;
            background: var(--accent-soft); color: var(--accent);
        }
        .divider { border: 0; height: 1px; background: var(--border); margin: 20px 0; }
        details.faq-item { border: 1px solid var(--border-soft); border-radius: 12px; background: var(--card); padding: 0; margin-bottom: 10px; }
        details.faq-item summary {
            padding: 14px 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between;
            align-items: center; list-style: none; font-size: 15px; color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker { display: none; }
        details.faq-item summary::after { content: "＋"; font-size: 18px; color: var(--text-muted); transition: transform 0.2s ease; }
        details.faq-item[open] summary::after { content: "−"; }
        details.faq-item .faq-answer { padding: 0 18px 16px; color: var(--text-muted); font-size: 14.5px; line-height: 1.75; }
        input[type="text"], input[type="email"], input[type="tel"], select {
            width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
            font-size: 15px; background: #fff; color: var(--text); transition: border-color 0.18s ease;
        }
        input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(12,59,46,0.08); }
        .nav-link { position: relative; font-size: 14.5px; font-weight: 500; color: var(--text); padding: 6px 10px; border-radius: 8px; transition: all 0.18s ease; white-space: nowrap; }
        .nav-link:hover { color: var(--primary); background: rgba(12,59,46,0.06); }
        .nav-link.active { color: var(--primary); font-weight: 700; background: rgba(12,59,46,0.08); }
        .city-picker select { border: none; background: transparent; font-size: 13px; padding: 2px 4px; color: var(--text); }
        .city-picker select:focus { box-shadow: none; }
        .mobile-menu { display: none; }
        .city-chip {
            flex-shrink: 0; padding: 5px 12px; border-radius: 20px; background: #fff; border: 1px solid var(--border);
            font-size: 12.5px; cursor: pointer; transition: all 0.18s ease; font-weight: 500;
        }
        .city-chip:hover, .city-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        footer { background: var(--primary-deep); color: rgba(255,255,255,0.75); }
        footer a { color: rgba(255,255,255,0.7); font-size: 13px; }
        footer a:hover { color: var(--accent); }
        .footer-title { color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 10px; }
        .mobile-nav-panel { display: none; }
        .mobile-nav-panel.open { display: block; }
        .data-grid-card { display: flex; align-items: stretch; }
        .data-grid-icon { display: flex; align-items: center; justify-content: center; width: 52px; flex-shrink: 0; font-size: 24px; color: var(--primary); }
        .data-stat { font-size: 26px; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }
        .data-label { font-size: 13px; color: var(--text-muted); }
        .data-list-card { display: flex; flex-direction: column; }
        .data-list-card .card-body { padding: 18px 20px; flex: 1; display: flex; flex-direction: column; }
        .data-meta { font-size: 12.5px; color: var(--text-muted); display: flex; gap: 10px; flex-wrap: wrap; }
        .data-chip { display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; background: #f0f4f1; color: var(--primary); }
        .tabular-nums { font-variant-numeric: tabular-nums; }

        @media (max-width: 1024px) {
            .section { padding: 44px 0; }
            .section-title { font-size: 23px; }
        }
        @media (max-width: 768px) {
            .section { padding: 36px 0; }
            .section-title { font-size: 22px; }
            .mobile-menu { display: flex; }
            .desktop-nav { display: none; }
            .mobile-nav-panel { display: none; }
            .mobile-nav-panel.open { display: block; }
            body { font-size: 15px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .section-title { font-size: 20px; }
            .btn { padding: 8px 16px; font-size: 14px; }
        }

/* roulang page: category2 */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color 0.18s ease; }
        a:hover { color: var(--accent); }
        img { max-width: 100%; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 48px 0; }
        .section-title { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; letter-spacing: 0.02em; }
        .section-subtitle { font-size: 15.5px; color: var(--text-muted); margin-bottom: 32px; line-height: 1.75; }
        .card {
            background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius);
            box-shadow: var(--shadow); transition: all 0.18s ease; overflow: hidden;
        }
        .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn {
            display: inline-block; padding: 10px 22px; border-radius: 10px; font-weight: 600;
            font-size: 15px; transition: all 0.18s ease; cursor: pointer; border: none; text-align: center;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-deep); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-accent { background: var(--accent); color: #fff; }
        .btn-accent:hover { background: #d9741f; color: #fff; }
        .btn:focus-visible { outline: 3px solid rgba(232, 131, 46, 0.35); outline-offset: 2px; }
        .tag {
            display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12.5px;
            font-weight: 600; background: #eef3f0; color: var(--primary); margin-right: 6px;
        }
        .tag-accent { background: #fdf1e7; color: var(--accent); }
        .badge {
            display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600;
            background: var(--accent-soft); color: var(--accent);
        }
        .divider { border: 0; height: 1px; background: var(--border); margin: 20px 0; }
        details.faq-item { border: 1px solid var(--border-soft); border-radius: 12px; background: var(--card); padding: 0; margin-bottom: 10px; }
        details.faq-item summary {
            padding: 14px 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between;
            align-items: center; list-style: none; font-size: 15px; color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker { display: none; }
        details.faq-item summary::after { content: "＋"; font-size: 18px; color: var(--text-muted); transition: transform 0.2s ease; }
        details.faq-item[open] summary::after { content: "−"; }
        details.faq-item .faq-answer { padding: 0 18px 16px; color: var(--text-muted); font-size: 14.5px; line-height: 1.75; }
        input[type="text"], input[type="email"], input[type="tel"], select {
            width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
            font-size: 15px; background: #fff; color: var(--text); transition: border-color 0.18s ease;
        }
        input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(12,59,46,0.08); }
        .nav-link { position: relative; font-size: 14.5px; font-weight: 500; color: var(--text); padding: 6px 10px; border-radius: 8px; transition: all 0.18s ease; white-space: nowrap; }
        .nav-link:hover { color: var(--primary); background: rgba(12,59,46,0.06); }
        .nav-link.active { color: var(--primary); font-weight: 700; background: rgba(12,59,46,0.08); }
        .city-picker select { border: none; background: transparent; font-size: 13px; padding: 2px 4px; color: var(--text); }
        .city-picker select:focus { box-shadow: none; }
        .city-chip {
            flex-shrink: 0; padding: 5px 12px; border-radius: 20px; background: #fff; border: 1px solid var(--border);
            font-size: 12.5px; cursor: pointer; transition: all 0.18s ease; font-weight: 500;
        }
        .city-chip:hover, .city-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        footer { background: var(--primary-deep); color: rgba(255,255,255,0.75); }
        footer a { color: rgba(255,255,255,0.7); font-size: 13px; }
        footer a:hover { color: var(--accent); }
        .footer-title { color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 10px; }
        .mobile-menu { display: none; }
        .mobile-nav-panel { display: none; }
        .mobile-nav-panel.open { display: block; }
        .banner-strip {
            background: linear-gradient(135deg, rgba(12,59,46,0.96) 0%, rgba(8,42,33,0.98) 100%);
            border-bottom: 4px solid var(--accent);
        }
        .data-stat {
            background: #fff; border-radius: 12px; padding: 16px; border: 1px solid var(--border-soft);
            box-shadow: var(--shadow);
        }
        .data-stat .stat-num { font-size: 28px; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }
        .data-stat .stat-label { font-size: 13px; color: var(--text-muted); }
        @media (max-width: 1024px) {
            .section { padding: 40px 0; }
            .section-title { font-size: 23px; }
        }
        @media (max-width: 768px) {
            .section { padding: 32px 0; }
            .section-title { font-size: 21px; }
            .mobile-menu { display: flex; }
            .desktop-nav { display: none; }
            .mobile-nav-panel { display: none; }
            .mobile-nav-panel.open { display: block; }
            body { font-size: 15px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .section-title { font-size: 20px; }
            .btn { padding: 8px 16px; font-size: 14px; }
            .data-stat .stat-num { font-size: 22px; }
        }
        .rule-card-img { width: 100%; height: 180px; object-fit: cover; background: #eef3f0; }
        .rule-card-body { padding: 16px 18px 18px; }
        .rule-card-title { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
        .rule-card-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
        .rule-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 12.5px; color: var(--text-muted); }
        .rule-tag { background: #eef3f0; color: var(--primary); border-radius: 12px; padding: 2px 10px; font-weight: 600; font-size: 12px; }
        .rule-tag-hot { background: #fdf1e7; color: var(--accent); }
        .tool-row {
            display: flex; align-items: center; justify-content: space-between; gap: 12px;
            padding: 12px 16px; background: #fff; border: 1px solid var(--border-soft); border-radius: 10px;
            margin-bottom: 10px; transition: all 0.18s ease;
        }
        .tool-row:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
        .tool-row .tool-name { font-weight: 600; color: var(--text); }
        .tool-row .tool-desc { font-size: 13px; color: var(--text-muted); }
        .info-banner {
            background: #fff; border-left: 4px solid var(--accent); border-radius: 12px;
            padding: 18px 22px; box-shadow: var(--shadow);
        }

/* roulang page: category4 */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: color 0.18s ease; }
        a:hover { color: var(--accent); }
        img { max-width: 100%; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 56px 0; }
        .section-title { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; letter-spacing: 0.02em; }
        .section-subtitle { font-size: 15.5px; color: var(--text-muted); margin-bottom: 32px; line-height: 1.75; }
        .card {
            background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius);
            box-shadow: var(--shadow); transition: all 0.18s ease; overflow: hidden;
        }
        .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn {
            display: inline-block; padding: 10px 22px; border-radius: 10px; font-weight: 600;
            font-size: 15px; transition: all 0.18s ease; cursor: pointer; border: none; text-align: center;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-deep); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }
        .btn-accent { background: var(--accent); color: #fff; }
        .btn-accent:hover { background: #d9741f; color: #fff; }
        .btn:focus-visible { outline: 3px solid rgba(232, 131, 46, 0.35); outline-offset: 2px; }
        .tag {
            display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12.5px;
            font-weight: 600; background: #eef3f0; color: var(--primary); margin-right: 6px;
        }
        .tag-accent { background: #fdf1e7; color: var(--accent); }
        .badge {
            display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600;
            background: var(--accent-soft); color: var(--accent);
        }
        .divider { border: 0; height: 1px; background: var(--border); margin: 20px 0; }
        details.faq-item { border: 1px solid var(--border-soft); border-radius: 12px; background: var(--card); padding: 0; margin-bottom: 10px; }
        details.faq-item summary {
            padding: 14px 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between;
            align-items: center; list-style: none; font-size: 15px; color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker { display: none; }
        details.faq-item summary::after { content: "＋"; font-size: 18px; color: var(--text-muted); transition: transform 0.2s ease; }
        details.faq-item[open] summary::after { content: "−"; }
        details.faq-item .faq-answer { padding: 0 18px 16px; color: var(--text-muted); font-size: 14.5px; line-height: 1.75; }
        input[type="text"], input[type="email"], input[type="tel"], select {
            width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
            font-size: 15px; background: #fff; color: var(--text); transition: border-color 0.18s ease;
        }
        input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(12,59,46,0.08); }
        .nav-link { position: relative; font-size: 14.5px; font-weight: 500; color: var(--text); padding: 6px 10px; border-radius: 8px; transition: all 0.18s ease; white-space: nowrap; }
        .nav-link:hover { color: var(--primary); background: rgba(12,59,46,0.06); }
        .nav-link.active { color: var(--primary); font-weight: 700; background: rgba(12,59,46,0.08); }
        .city-picker select { border: none; background: transparent; font-size: 13px; padding: 2px 4px; color: var(--text); }
        .city-picker select:focus { box-shadow: none; }
        .mobile-menu { display: none; }
        .city-chip {
            flex-shrink: 0; padding: 5px 12px; border-radius: 20px; background: #fff; border: 1px solid var(--border);
            font-size: 12.5px; cursor: pointer; transition: all 0.18s ease; font-weight: 500;
        }
        .city-chip:hover, .city-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        footer { background: var(--primary-deep); color: rgba(255,255,255,0.75); }
        footer a { color: rgba(255,255,255,0.7); font-size: 13px; }
        footer a:hover { color: var(--accent); }
        .footer-title { color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 10px; }
        .mobile-nav-panel { display: none; }
        .mobile-nav-panel.open { display: block; }
        .banner-strip {
            background: linear-gradient(135deg, #0C3B2E 0%, #0f4435 55%, #1a5c47 100%);
            border-radius: 18px;
            padding: 32px 36px;
            position: relative;
            overflow: hidden;
        }
        .banner-strip::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(232,131,46,0.14);
            pointer-events: none;
        }
        .banner-strip::before {
            content: "";
            position: absolute;
            right: 90px;
            bottom: -50px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            pointer-events: none;
        }
        .stat-card {
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            padding: 20px 22px;
            transition: all 0.18s ease;
        }
        .stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.01em;
        }
        .stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
        .result-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-soft);
            align-items: flex-start;
        }
        .result-item:last-child { border-bottom: none; }
        .result-thumb {
            width: 72px;
            height: 72px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: #eef3f0;
        }
        .result-content { flex: 1; min-width: 0; }
        .result-title { font-weight: 600; font-size: 15.5px; color: var(--text); line-height: 1.5; }
        .result-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-muted); margin-top: 4px; flex-wrap: wrap; }
        .result-excerpt { font-size: 13.5px; color: var(--text-muted); line-height: 1.7; margin-top: 6px; }
        .guide-step {
            display: flex;
            gap: 14px;
            padding: 14px 18px;
            border-radius: 12px;
            background: var(--card);
            border: 1px solid var(--border-soft);
            margin-bottom: 10px;
            align-items: flex-start;
        }
        .guide-step-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .guide-step-text { font-size: 14.5px; line-height: 1.7; color: var(--text); }
        .news-mini-item {
            display: flex;
            align-items: baseline;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-soft);
            font-size: 14px;
        }
        .news-mini-item:last-child { border-bottom: none; }
        .news-mini-date { font-size: 12px; color: var(--text-muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
        .news-mini-title { color: var(--text); line-height: 1.5; }
        .mobile-nav-panel {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 16px;
            display: none;
        }
        .mobile-nav-panel.open { display: block; }
        .mobile-nav-link {
            display: block;
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all 0.18s ease;
        }
        .mobile-nav-link:hover, .mobile-nav-link.active {
            background: rgba(12,59,46,0.08);
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .section { padding: 44px 0; }
            .section-title { font-size: 23px; }
            .desktop-nav { display: none; }
            .mobile-menu { display: flex; }
        }
        @media (max-width: 768px) {
            .section { padding: 36px 0; }
            .section-title { font-size: 22px; }
            .mobile-menu { display: flex; }
            .desktop-nav { display: none; }
            body { font-size: 15px; }
            .banner-strip { padding: 24px 22px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .section-title { font-size: 20px; }
            .btn { padding: 8px 16px; font-size: 14px; }
            .stat-number { font-size: 22px; }
            .result-item { flex-direction: column; }
            .result-thumb { width: 100%; height: 140px; border-radius: 8px; }
            .banner-strip { padding: 20px 16px; border-radius: 14px; }
        }

/* roulang page: category5 */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.18s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: 48px 0;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 15.5px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .card {
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all 0.18s ease;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.18s ease;
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-deep);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #d9741f;
            color: #fff;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(232, 131, 46, 0.35);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12.5px;
            font-weight: 600;
            background: #eef3f0;
            color: var(--primary);
            margin-right: 6px;
        }
        .tag-accent {
            background: #fdf1e7;
            color: var(--accent);
        }
        .badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .divider {
            border: 0;
            height: 1px;
            background: var(--border);
            margin: 20px 0;
        }
        details.faq-item {
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            background: var(--card);
            padding: 0;
            margin-bottom: 10px;
        }
        details.faq-item summary {
            padding: 14px 18px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            font-size: 15px;
            color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary::after {
            content: "＋";
            font-size: 18px;
            color: var(--text-muted);
            transition: transform 0.2s ease;
        }
        details.faq-item[open] summary::after {
            content: "−";
        }
        details.faq-item .faq-answer {
            padding: 0 18px 16px;
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.75;
        }
        input[type="text"],
        input[type="email"],
        input[type="tel"],
        select {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border);
            font-size: 15px;
            background: #fff;
            color: var(--text);
            transition: border-color 0.18s ease;
        }
        input:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(12, 59, 46, 0.08);
        }
        .nav-link {
            position: relative;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 8px;
            transition: all 0.18s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(12, 59, 46, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(12, 59, 46, 0.08);
        }
        .city-picker select {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 2px 4px;
            color: var(--text);
        }
        .city-picker select:focus {
            box-shadow: none;
        }
        .mobile-menu {
            display: none;
        }
        .city-chip {
            flex-shrink: 0;
            padding: 5px 12px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 12.5px;
            cursor: pointer;
            transition: all 0.18s ease;
            font-weight: 500;
        }
        .city-chip:hover,
        .city-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
        }
        footer a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }
        footer a:hover {
            color: var(--accent);
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 10px;
        }
        .banner-strip {
            background: linear-gradient(135deg, #0C3B2E 0%, #0E4A3A 60%, #1A5C4A 100%);
            color: #fff;
            padding: 32px 0;
            border-bottom: 3px solid var(--accent);
        }
        .news-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card .thumb {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            background: #e8e4da;
        }
        .news-card .content {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .meta {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-strip .stat-box {
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            padding: 18px 20px;
            text-align: center;
        }
        .data-strip .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }
        .data-strip .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 1024px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .mobile-menu {
                display: flex;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-nav-panel {
                display: none;
            }
            .mobile-nav-panel.open {
                display: block;
            }
            body {
                font-size: 15px;
            }
            .banner-strip {
                padding: 24px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .news-card h3 {
                font-size: 15.5px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.18s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 15.5px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .card {
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all 0.18s ease;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.18s ease;
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-deep);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #d9741f;
            color: #fff;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(232, 131, 46, 0.35);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12.5px;
            font-weight: 600;
            background: #eef3f0;
            color: var(--primary);
            margin-right: 6px;
        }
        .tag-accent {
            background: #fdf1e7;
            color: var(--accent);
        }
        .badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .divider {
            border: 0;
            height: 1px;
            background: var(--border);
            margin: 20px 0;
        }
        details.faq-item {
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            background: var(--card);
            padding: 0;
            margin-bottom: 10px;
        }
        details.faq-item summary {
            padding: 14px 18px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            font-size: 15px;
            color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary::after {
            content: "＋";
            font-size: 18px;
            color: var(--text-muted);
            transition: transform 0.2s ease;
        }
        details.faq-item[open] summary::after {
            content: "−";
        }
        details.faq-item .faq-answer {
            padding: 0 18px 16px;
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.75;
        }
        input[type="text"],
        input[type="email"],
        input[type="tel"],
        select {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border);
            font-size: 15px;
            background: #fff;
            color: var(--text);
            transition: border-color 0.18s ease;
        }
        input:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(12, 59, 46, 0.08);
        }
        .nav-link {
            position: relative;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 8px;
            transition: all 0.18s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(12, 59, 46, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(12, 59, 46, 0.08);
        }
        .city-picker select {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 2px 4px;
            color: var(--text);
        }
        .city-picker select:focus {
            box-shadow: none;
        }
        .mobile-menu {
            display: none;
        }
        .city-chip {
            flex-shrink: 0;
            padding: 5px 12px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 12.5px;
            cursor: pointer;
            transition: all 0.18s ease;
            font-weight: 500;
        }
        .city-chip:hover,
        .city-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
        }
        footer a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }
        footer a:hover {
            color: var(--accent);
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 10px;
        }

        /* 分类页特有样式 */
        .banner-strip {
            background: linear-gradient(135deg, var(--primary) 0%, #1a4d3d 100%);
            color: #fff;
            padding: 36px 0 32px;
            position: relative;
            overflow: hidden;
        }
        .banner-strip::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(232, 131, 46, 0.15);
        }
        .banner-strip h1 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .banner-strip p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 720px;
            line-height: 1.7;
        }

        .stat-strip {
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 18px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            margin-top: -20px;
            position: relative;
            z-index: 2;
        }
        .stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .stat-item strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .article-list-card {
            display: flex;
            flex-direction: column;
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all 0.18s ease;
            overflow: hidden;
            cursor: pointer;
        }
        .article-list-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .article-list-card .thumb {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .article-list-card .thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 40%, rgba(12, 59, 46, 0.45));
        }
        .article-list-card .thumb .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .article-list-card .content {
            padding: 16px 18px 18px;
        }
        .article-list-card h3 {
            font-size: 16.5px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .article-list-card p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 10px;
        }
        .article-list-card .meta {
            font-size: 12px;
            color: #8a9a92;
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .deep-reading-block {
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            padding: 28px 30px;
            box-shadow: var(--shadow);
        }
        .deep-reading-block h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .deep-reading-block p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-reading-block p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 1024px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 23px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .mobile-menu {
                display: flex;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-nav-panel {
                display: none;
            }
            .mobile-nav-panel.open {
                display: block;
            }
            body {
                font-size: 15px;
            }
            .banner-strip h1 {
                font-size: 22px;
            }
            .banner-strip p {
                font-size: 14px;
            }
            .stat-strip {
                padding: 14px 16px;
                gap: 14px;
            }
            .stat-item {
                font-size: 12px;
            }
            .stat-item strong {
                font-size: 17px;
            }
            .deep-reading-block {
                padding: 20px 18px;
            }
            .deep-reading-block h3 {
                font-size: 17px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            .stat-strip {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #0C3B2E;
            --primary-deep: #082a21;
            --accent: #E8832E;
            --accent-soft: #f5d8bd;
            --bg: #F7F4ED;
            --card: #FFFFFF;
            --text: #1F2A26;
            --text-muted: #65736D;
            --border: #DDD9CF;
            --border-soft: #E6E1D6;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(12, 59, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 59, 46, 0.12);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15.5px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.18s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 15.5px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .card {
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all 0.18s ease;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.18s ease;
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-deep);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #d9741f;
            color: #fff;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(232, 131, 46, 0.35);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12.5px;
            font-weight: 600;
            background: #eef3f0;
            color: var(--primary);
            margin-right: 6px;
        }
        .tag-accent {
            background: #fdf1e7;
            color: var(--accent);
        }
        .badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .divider {
            border: 0;
            height: 1px;
            background: var(--border);
            margin: 20px 0;
        }
        details.faq-item {
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            background: var(--card);
            padding: 0;
            margin-bottom: 10px;
        }
        details.faq-item summary {
            padding: 14px 18px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            font-size: 15px;
            color: var(--text);
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary::after {
            content: "＋";
            font-size: 18px;
            color: var(--text-muted);
            transition: transform 0.2s ease;
        }
        details.faq-item[open] summary::after {
            content: "−";
        }
        details.faq-item .faq-answer {
            padding: 0 18px 16px;
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.75;
        }
        input[type="text"],
        input[type="email"],
        input[type="tel"],
        select {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border);
            font-size: 15px;
            background: #fff;
            color: var(--text);
            transition: border-color 0.18s ease;
        }
        input:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(12, 59, 46, 0.08);
        }
        .nav-link {
            position: relative;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 8px;
            transition: all 0.18s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(12, 59, 46, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(12, 59, 46, 0.08);
        }
        .city-picker select {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 2px 4px;
            color: var(--text);
        }
        .city-picker select:focus {
            box-shadow: none;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-nav-panel {
            display: none;
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .city-chip {
            flex-shrink: 0;
            padding: 5px 12px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 12.5px;
            cursor: pointer;
            transition: all 0.18s ease;
            font-weight: 500;
        }
        .city-chip:hover,
        .city-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
        }
        footer a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }
        footer a:hover {
            color: var(--accent);
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 10px;
        }
        .banner-slant {
            background: linear-gradient(135deg, #0C3B2E 0%, #0a3428 40%, #082a21 100%);
            border-radius: 0 0 24px 24px;
            position: relative;
            overflow: hidden;
        }
        .banner-slant::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -60px;
            width: 220px;
            height: 220px;
            background: rgba(232, 131, 46, 0.18);
            border-radius: 50%;
            pointer-events: none;
        }
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1px;
            background: var(--border-soft);
            border-radius: 14px;
            overflow: hidden;
        }
        .data-strip .data-cell {
            background: #fff;
            padding: 18px 16px;
            text-align: center;
        }
        .data-cell .data-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }
        .data-cell .data-label {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .entry-card {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--card);
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            box-shadow: var(--shadow);
            transition: all 0.18s ease;
            align-items: flex-start;
        }
        .entry-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .entry-card .entry-thumb {
            flex-shrink: 0;
            width: 90px;
            height: 90px;
            border-radius: 10px;
            background: linear-gradient(135deg, #eef3f0, #d8e6de);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            overflow: hidden;
        }
        .entry-card .entry-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .entry-card .entry-content {
            flex: 1;
            min-width: 0;
        }
        .entry-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .entry-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .entry-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .entry-meta .read-more {
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
            margin-left: auto;
        }
        .entry-meta .read-more:hover {
            color: #d9741f;
        }
        .rational-tip {
            background: #fdf8f2;
            border-left: 4px solid var(--accent);
            padding: 16px 18px;
            border-radius: 0 12px 12px 0;
        }
        .rational-tip h4 {
            font-weight: 700;
            color: var(--primary);
            font-size: 15px;
            margin-bottom: 6px;
        }
        .rational-tip p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .category-grid a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            font-weight: 600;
            font-size: 14.5px;
            color: var(--primary);
            transition: all 0.18s ease;
        }
        .category-grid a:hover {
            border-color: var(--primary);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .category-grid a .arrow {
            font-size: 16px;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .mobile-menu {
                display: flex;
            }
            .desktop-nav {
                display: none;
            }
            .entry-card {
                flex-direction: column;
            }
            .entry-card .entry-thumb {
                width: 100%;
                height: 140px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
            }
            .data-cell .data-num {
                font-size: 22px;
            }
        }