/* roulang page: index */
:root {
            --primary: #2F6FED;
            --primary-dark: #1E5CD6;
            --primary-light: #EBF2FE;
            --accent: #34A853;
            --accent-light: #E8F7ED;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-chip: 999px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
            --transition: 0.2s ease;
            --gap-section: 64px;
            --gap-section-mobile: 40px;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
        }

        * { box-sizing: border-box; }

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        h1, h2, h3, h4 {
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-top: 0;
        }

        h1 { font-size: 30px; }
        h2 { font-size: 24px; }
        h3 { font-size: 19px; }
        h4 { font-size: 16px; }

        p { margin: 0 0 16px; }

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section { padding: var(--gap-section) 0; }
        .section-sm { padding: 48px 0; }
        .section-tight { padding: 36px 0; }

        .section-title {
            font-size: 24px;
            margin-bottom: 8px;
            color: var(--text);
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 680px;
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .logo:hover { color: var(--primary); }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition);
        }
        .header-cta:hover { background: var(--primary-dark); color: #FFFFFF; }

        .header-nav-row {
            display: flex;
            align-items: center;
            overflow-x: auto;
            padding: 0 0 12px;
            gap: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .header-nav-row::-webkit-scrollbar { height: 4px; }
        .header-nav-row::-webkit-scrollbar-track { background: transparent; }
        .header-nav-row::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .nav-home-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-home-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 56px 0 64px;
            background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 45%, #F2F8F3 100%);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/505a3f95923d99d3.webp') no-repeat center right;
            background-size: cover;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
        }
        .hero-left {
            flex: 1 1 55%;
            min-width: 300px;
        }
        .hero-right {
            flex: 1 1 40%;
            min-width: 280px;
            display: flex;
            justify-content: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: #2D7A46;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .hero-title {
            font-size: 32px;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            box-shadow: 0 6px 16px rgba(47, 111, 237, 0.25);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible { outline: 2px solid var(--primary-dark); outline-offset: 3px; }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: transparent;
            color: var(--text);
            padding: 11px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-secondary:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

        .hero-data-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            width: 100%;
            max-width: 380px;
            border: 1px solid rgba(226, 232, 240, 0.5);
        }
        .hero-data-card .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }
        .hero-data-card .data-row:last-child { border-bottom: none; }
        .data-label { color: var(--text-secondary); }
        .data-value { font-weight: 700; font-family: var(--font-mono); color: var(--text); }
        .data-value.highlight { color: var(--primary); }

        /* Category chips section */
        .category-chips-section { background: #FFFFFF; }
        .category-chips-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }
        .category-chip-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 13px 20px;
            border-radius: var(--radius-chip);
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .category-chip-card:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .category-chip-card i { color: var(--primary); font-size: 15px; }

        /* Bento services */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-auto-rows: minmax(140px, auto);
            gap: 16px;
        }
        .bento-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(226, 232, 240, 0.5);
            transition: all var(--transition);
        }
        .bento-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .bento-card .card-icon {
            width: 40px;
            height: 40px;
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .bento-card .card-icon.green { background: var(--accent-light); color: #2D7A46; }
        .bento-card h3 { font-size: 17px; margin-bottom: 6px; }
        .bento-card p { color: var(--text-secondary); font-size: 14px; margin: 0; }
        .bento-card.wide { grid-column: span 2; }
        .bento-card.tall { grid-row: span 2; }

        /* Stats dashboard */
        .stats-dashboard {
            background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            color: #FFFFFF;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-around;
        }
        .stat-block {
            text-align: center;
            min-width: 120px;
        }
        .stat-number {
            font-size: 34px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: #FFFFFF;
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }
        .stat-number .stat-unit { font-size: 16px; font-weight: 500; color: #A0AEC0; }
        .stat-label {
            color: #A0AEC0;
            font-size: 13px;
            letter-spacing: 0.3px;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .step-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 22px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .step-card:hover { box-shadow: var(--shadow-hover); }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-card h3 { font-size: 16px; margin-bottom: 6px; }
        .step-card p { color: var(--text-secondary); font-size: 13px; margin: 0; }

        /* Case cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .case-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(226, 232, 240, 0.5);
            transition: all var(--transition);
        }
        .case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
        .case-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .case-card-body {
            padding: 16px 18px;
        }
        .case-tag {
            display: inline-block;
            background: var(--accent-light);
            color: #2D7A46;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
        }
        .case-card-body h3 { font-size: 16px; margin-bottom: 6px; }
        .case-card-body p { color: var(--text-secondary); font-size: 13px; margin: 0; }

        /* News list */
        .news-section { background: #FFFFFF; }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            padding: 18px 4px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { background: #FAFBFC; border-radius: 8px; }
        .news-date {
            font-size: 13px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            white-space: nowrap;
            padding-top: 2px;
            min-width: 90px;
        }
        .news-content {
            flex: 1;
            min-width: 240px;
        }
        .news-content h3 { font-size: 16px; margin-bottom: 6px; }
        .news-content p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 8px;
            line-height: 1.65;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .read-more:hover { color: var(--primary-dark); gap: 8px; }

        /* Brand intro */
        .brand-intro-section {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 32px 28px;
            border: 1px solid var(--border);
        }
        .brand-intro-section h2 { font-size: 20px; margin-bottom: 12px; }
        .brand-intro-section p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .brand-intro-section p:last-child { margin-bottom: 0; }

        /* Partners */
        .partners-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .partner-logo {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
            cursor: default;
        }
        .partner-logo:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* FAQ */
        .faq-list { display: flex; flex-direction: column; gap: 8px; }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-card); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 18px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-question:hover { background: #FAFBFC; }
        .faq-question i { transition: transform var(--transition); color: var(--text-secondary); font-size: 14px; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 18px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 18px 16px;
        }

        /* Guarantee bar */
        .guarantee-bar {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-left: 3px solid var(--accent);
            border-radius: 10px;
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            justify-content: space-between;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 13px;
        }
        .guarantee-item i { color: var(--accent); font-size: 16px; }

        /* Featured scenario */
        .scenario-section { background: #FFFFFF; }
        .scenario-horizontal {
            display: flex;
            overflow-x: auto;
            gap: 14px;
            padding: 4px 2px 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .scenario-horizontal::-webkit-scrollbar { height: 5px; }
        .scenario-horizontal::-webkit-scrollbar-track { background: transparent; }
        .scenario-horizontal::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
        .scenario-card {
            flex: 0 0 240px;
            background: var(--card);
            border-radius: var(--radius-card);
            padding: 18px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .scenario-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
        .scenario-card h4 { font-size: 15px; margin-bottom: 6px; }
        .scenario-card p { color: var(--text-secondary); font-size: 13px; margin: 0; }
        .scenario-card .scenario-icon {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* Tools */
        .tools-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tool-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            color: var(--text);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .tool-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: var(--shadow-card);
        }

        /* CTA form */
        .cta-section {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 36px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-top: 16px;
        }
        .cta-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 11px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
        }
        .cta-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.15);
            background: #FFFFFF;
        }
        .cta-form .btn-primary { flex-shrink: 0; }
        .cta-hint {
            color: var(--text-secondary);
            font-size: 12px;
            margin-top: 6px;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 40px 0 24px;
            margin-top: 0;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.5px;
        }
        .footer-brand:hover { color: var(--primary); }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            font-size: 13px;
        }
        .footer-links a {
            color: #CBD5E1;
            transition: color var(--transition);
        }
        .footer-links a:hover { color: #FFFFFF; }
        .footer-copyright {
            font-size: 12px;
            color: #64748B;
            border-top: 1px solid #1E293B;
            padding-top: 16px;
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root { --gap-section: 52px; }
            .hero-title { font-size: 27px; }
            .hero-inner { gap: 24px; }
            .hero-left { flex: 1 1 50%; }
            .hero-right { flex: 1 1 45%; }
            .bento-grid { grid-template-columns: repeat(2, 1fr); }
            .bento-card.wide { grid-column: span 2; }
            .bento-card.tall { grid-row: span 1; }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .case-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            :root { --gap-section: 42px; }
            h1 { font-size: 25px; }
            h2 { font-size: 21px; }
            .hero-title { font-size: 24px; }
            .hero-subtitle { font-size: 15px; }
            .hero-inner { flex-direction: column; }
            .hero-left { flex: 1 1 100%; }
            .hero-right { flex: 1 1 100%; width: 100%; }
            .hero-data-card { max-width: 100%; }
            .header-top { flex-wrap: wrap; }
            .header-cta { font-size: 13px; padding: 8px 14px; }
            .bento-grid { grid-template-columns: 1fr; }
            .bento-card.wide { grid-column: span 1; }
            .bento-card.tall { grid-row: span 1; }
            .steps-grid { grid-template-columns: 1fr; }
            .case-grid { grid-template-columns: 1fr; }
            .stats-dashboard { flex-direction: column; gap: 16px; padding: 24px 18px; }
            .news-item { flex-direction: column; gap: 4px; }
            .news-date { padding-top: 0; }
            .cta-form { flex-direction: column; }
            .cta-form input[type="email"] { width: 100%; }
            .cta-form .btn-primary { width: 100%; justify-content: center; }
            .guarantee-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
        }

        @media (max-width: 520px) {
            .hero-title { font-size: 21px; }
            .hero-subtitle { font-size: 14px; }
            .section { padding: 32px 0; }
            .header-top { gap: 8px; }
            .logo { font-size: 18px; }
            .nav-chip, .nav-home-chip { font-size: 12px; padding: 6px 12px; }
            .bento-card { padding: 16px; }
            .case-card img { height: 130px; }
            .stats-dashboard { padding: 20px 14px; }
            .stat-number { font-size: 26px; }
            .brand-intro-section { padding: 20px 16px; }
            .cta-section { padding: 24px 16px; }
            .scenario-card { flex: 0 0 200px; }
            .footer-inner { flex-direction: column; gap: 16px; }
        }

/* roulang page: category1 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1E5CD6;
            --primary-light: #EBF2FE;
            --accent: #34A853;
            --accent-light: #E8F7ED;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-chip: 999px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
            --transition: 0.2s ease;
            --gap-section: 52px;
            --gap-section-mobile: 36px;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--gap-section) 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-tight {
            padding: 28px 0;
        }
        .section-title {
            font-size: 24px;
            margin-bottom: 8px;
            color: var(--text);
            font-weight: 800;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 680px;
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
        }
        .header-nav-row {
            display: flex;
            align-items: center;
            overflow-x: auto;
            padding: 0 0 12px;
            gap: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .header-nav-row::-webkit-scrollbar {
            height: 4px;
        }
        .header-nav-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .header-nav-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .nav-home-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-home-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 分类页 Hero 区（白皮书获客变体·轻量） */
        .category-hero {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 32px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
        }
        .category-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 28px;
            align-items: center;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 8px;
            color: var(--text);
            letter-spacing: 0.3px;
            line-height: 1.3;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 20px;
            max-width: 520px;
            line-height: 1.75;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 111, 237, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .hero-snapshot-card {
            background: var(--primary-light);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-card);
        }
        .hero-snapshot-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 12px;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 24px;
            flex-shrink: 0;
        }
        .hero-snapshot-info h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text);
        }
        .hero-snapshot-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }
        .hero-snapshot-info .highlight-number {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
        }

        /* 筛选工具条 */
        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 12px 16px;
            box-shadow: var(--shadow-card);
        }
        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        /* 赛程卡片列表 */
        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .schedule-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .schedule-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .schedule-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .schedule-date-block {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            font-family: var(--font-mono);
        }
        .schedule-date-block i {
            color: var(--primary);
            font-size: 14px;
        }
        .schedule-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent);
        }
        .schedule-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0;
            color: var(--text);
            line-height: 1.4;
        }
        .schedule-card .match-detail {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .schedule-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-top: auto;
        }
        .schedule-meta {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .schedule-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .read-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 6px 14px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .read-more-btn:hover {
            background: var(--primary);
            color: #FFFFFF;
        }

        /* 数据统计条 */
        .stats-strip {
            background: var(--primary-light);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            border: 1px solid rgba(47, 111, 237, 0.15);
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* 相关专题卡片 */
        .topic-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .topic-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .topic-card-body {
            padding: 16px 18px;
        }
        .topic-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text);
            line-height: 1.4;
        }
        .topic-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0 0 12px;
            line-height: 1.6;
        }
        .topic-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }
        .topic-card-link:hover {
            color: var(--primary-dark);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 16px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
            border-radius: var(--radius-card);
        }
        .faq-question .faq-icon {
            color: var(--text-secondary);
            transition: transform var(--transition);
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(90deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }

        /* CTA 订阅块 */
        .cta-subscribe {
            background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 50%, #F0F8F3 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
            align-items: center;
        }
        .cta-subscribe h2 {
            font-size: 20px;
            font-weight: 800;
            margin: 0 0 6px;
            color: var(--text);
        }
        .cta-subscribe p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-family: var(--font-body);
            background: var(--card);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.15);
        }
        .subscribe-form button {
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .subscribe-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(47, 111, 237, 0.25);
        }

        /* 底部查看更多 */
        .list-more-row {
            display: flex;
            justify-content: center;
            margin-top: 24px;
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 600;
            background: var(--card);
            color: var(--text);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-more:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 28px 0 20px;
            margin-top: 20px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
        }
        .footer-brand:hover {
            color: var(--primary);
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-copyright {
            font-size: 12px;
            color: var(--text-secondary);
            text-align: center;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --gap-section: 44px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --gap-section: 32px;
            }
            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .schedule-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-card-grid {
                grid-template-columns: 1fr;
            }
            .topic-card img {
                height: 180px;
            }
            .cta-subscribe {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .header-cta {
                font-size: 13px;
                padding: 8px 14px;
            }
            .hero-snapshot-card {
                padding: 14px 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 16px;
            }
            .stat-number {
                font-size: 22px;
            }
            .filter-bar {
                padding: 10px 12px;
            }
            .filter-chip {
                padding: 5px 10px;
                font-size: 12px;
            }
            .schedule-card {
                padding: 16px;
            }
            .schedule-card h3 {
                font-size: 15px;
            }
            .footer-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-links {
                gap: 8px 12px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
    --primary: #2F6FED;
    --primary-dark: #1E5CD6;
    --primary-light: #EBF2FE;
    --accent: #34A853;
    --accent-light: #E8F7ED;
    --bg: #F6F8FB;
    --card: #FFFFFF;
    --text: #1E293B;
    --text-secondary: #64748B;
    --border: #E2E8F0;
    --radius-card: 14px;
    --radius-btn: 10px;
    --radius-chip: 999px;
    --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
    --transition: 0.2s ease;
    --gap-section: 52px;
    --gap-section-mobile: 36px;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
  }
  * { box-sizing: border-box; }
  body {
    font-family: var(--font-body);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 15px;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
  a:hover { color: var(--primary-dark); }
  a:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }
  img { max-width: 100%; height: auto; display: block; }
  .container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
  .section { padding: var(--gap-section) 0; }
  .section-sm { padding: 48px 0; }
  .section-tight { padding: 36px 0; }
  .section-title { font-size: 24px; margin-bottom: 8px; color: var(--text); }
  .section-subtitle { color: var(--text-secondary); font-size: 15px; margin-bottom: 28px; max-width: 680px; }
  /* Header */
  .site-header { background: #FFFFFF; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
  .header-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 16px; }
  .logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: 0.5px; }
  .logo:hover { color: var(--primary); }
  .logo .logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; background: var(--primary); color: #FFFFFF; border-radius: 8px; font-size: 16px; font-weight: 700; }
  .header-cta { display: inline-flex; align-items: center; gap: 6px; background: var(--primary); color: #FFFFFF; padding: 9px 18px; border-radius: var(--radius-btn); font-size: 13px; font-weight: 600; white-space: nowrap; transition: background var(--transition); }
  .header-cta:hover { background: var(--primary-dark); color: #FFFFFF; }
  .header-nav-row { display: flex; align-items: center; overflow-x: auto; padding: 0 0 12px; gap: 8px; scrollbar-width: thin; scrollbar-color: var(--border) transparent; -webkit-overflow-scrolling: touch; }
  .header-nav-row::-webkit-scrollbar { height: 4px; }
  .header-nav-row::-webkit-scrollbar-track { background: transparent; }
  .header-nav-row::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
  .nav-chip, .nav-home-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 16px; border-radius: var(--radius-chip); font-size: 13px; font-weight: 500; color: var(--text-secondary); background: transparent; border: 1px solid var(--border); white-space: nowrap; transition: all var(--transition); }
  .nav-chip:hover, .nav-home-chip:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
  .nav-chip.active { background: var(--primary); border-color: var(--primary); color: #FFFFFF; }
  /* 分类 H1 区 */
  .category-hero { background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 100%); border-bottom: 1px solid rgba(226, 232, 240, 0.6); padding: 32px 0 28px; }
  .breadcrumb { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
  .breadcrumb a { color: var(--text-secondary); transition: color var(--transition); }
  .breadcrumb a:hover { color: var(--primary); }
  .breadcrumb .sep { color: var(--border); font-size: 12px; }
  .category-hero h1 { font-size: 28px; margin: 4px 0 10px; color: var(--text); font-weight: 700; }
  .category-hero .cat-desc { font-size: 15px; color: var(--text-secondary); max-width: 680px; margin: 0; }
  /* 筛选工具条 */
  .filter-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
  .filter-label { font-size: 14px; color: var(--text-secondary); font-weight: 600; margin-right: 4px; }
  .filter-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 18px; border-radius: var(--radius-chip); font-size: 13px; font-weight: 500; color: var(--text-secondary); background: #FFFFFF; border: 1px solid var(--border); cursor: pointer; transition: all var(--transition); white-space: nowrap; }
  .filter-chip:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
  .filter-chip.active { background: var(--primary); border-color: var(--primary); color: #FFFFFF; }
  .filter-select { padding: 8px 14px; border-radius: 10px; border: 1px solid var(--border); font-size: 13px; font-family: var(--font-body); color: var(--text); background: #FFFFFF; cursor: pointer; transition: border-color var(--transition); min-width: 130px; }
  .filter-select:focus { outline: none; border-color: var(--primary); }
  /* 球队卡片列表 */
  .team-grid { display: flex; flex-wrap: wrap; margin: 0 -10px; }
  .team-card-wrap { flex: 0 0 50%; max-width: 50%; padding: 0 10px 20px; }
  .team-card { background: var(--card); border-radius: var(--radius-card); box-shadow: var(--shadow-card); overflow: hidden; transition: box-shadow var(--transition), transform var(--transition); height: 100%; display: flex; flex-direction: column; }
  .team-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
  .team-card-img { position: relative; height: 190px; overflow: hidden; }
  .team-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
  .team-card:hover .team-card-img img { transform: scale(1.03); }
  .team-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
  .team-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
  .team-card-name { font-size: 18px; font-weight: 700; color: var(--text); margin: 0; }
  .team-league-badge { display: inline-flex; align-items: center; gap: 4px; background: var(--primary-light); color: var(--primary); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; }
  .team-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
  .team-meta i { color: var(--primary); margin-right: 4px; font-size: 12px; }
  .team-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 14px; flex: 1; }
  .team-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
  .team-tag { background: var(--accent-light); color: var(--accent); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; }
  .read-more-btn { align-self: flex-start; display: inline-flex; align-items: center; gap: 5px; padding: 8px 16px; border-radius: var(--radius-btn); border: 1px solid var(--primary); color: var(--primary); font-size: 13px; font-weight: 600; transition: all var(--transition); background: transparent; }
  .read-more-btn:hover { background: var(--primary); color: #FFFFFF; }
  .view-more-bar { text-align: center; margin-top: 8px; }
  .view-more-link { display: inline-flex; align-items: center; gap: 6px; padding: 10px 24px; border-radius: var(--radius-btn); background: #FFFFFF; border: 1px solid var(--border); color: var(--text-secondary); font-size: 14px; font-weight: 500; transition: all var(--transition); }
  .view-more-link:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
  /* 数据摘要条 */
  .stats-strip { background: linear-gradient(120deg, var(--primary-light) 0%, #F7FBFF 100%); border: 1px solid rgba(47, 111, 237, 0.15); border-radius: var(--radius-card); padding: 24px 20px; display: flex; flex-wrap: wrap; gap: 20px 12px; align-items: center; justify-content: space-around; }
  .stat-block { display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 110px; }
  .stat-number { font-size: 28px; font-weight: 800; color: var(--primary); font-family: var(--font-mono); line-height: 1.2; }
  .stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
  /* 相关专题卡片 */
  .topic-grid { display: flex; flex-wrap: wrap; margin: 0 -10px; }
  .topic-card-wrap { flex: 0 0 33.333%; max-width: 33.333%; padding: 0 10px 20px; }
  .topic-card { background: var(--card); border-radius: var(--radius-card); box-shadow: var(--shadow-card); overflow: hidden; transition: box-shadow var(--transition), transform var(--transition); height: 100%; display: flex; flex-direction: column; }
  .topic-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
  .topic-card-img { height: 150px; overflow: hidden; }
  .topic-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
  .topic-card:hover .topic-card-img img { transform: scale(1.03); }
  .topic-card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
  .topic-card-title { font-size: 16px; font-weight: 700; color: var(--text); margin: 0 0 6px; }
  .topic-card-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 12px; flex: 1; }
  .topic-link { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 600; color: var(--primary); transition: color var(--transition); }
  .topic-link:hover { color: var(--primary-dark); }
  /* FAQ */
  .faq-list { display: flex; flex-direction: column; gap: 12px; }
  .faq-item { background: #FFFFFF; border-radius: 12px; border: 1px solid var(--border); overflow: hidden; transition: border-color var(--transition), box-shadow var(--transition); }
  .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-card); }
  .faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text); user-select: none; transition: color var(--transition); }
  .faq-item summary:hover { color: var(--primary); }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .faq-icon { flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px; background: var(--primary-light); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: 12px; transition: transform var(--transition); }
  .faq-item[open] summary .faq-icon { transform: rotate(180deg); background: var(--primary); color: #FFFFFF; }
  .faq-answer { padding: 0 20px 18px; font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
  /* 底部 CTA */
  .cta-section { background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 60%, #F2F8F3 100%); border-top: 1px solid rgba(226, 232, 240, 0.6); }
  .cta-card { background: #FFFFFF; border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 28px 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
  .cta-text h2 { font-size: 20px; font-weight: 700; margin: 0 0 6px; color: var(--text); }
  .cta-text p { font-size: 14px; color: var(--text-secondary); margin: 0; }
  .cta-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; min-width: 280px; }
  .cta-input { padding: 10px 16px; border-radius: var(--radius-btn); border: 1px solid var(--border); font-size: 14px; font-family: var(--font-body); color: var(--text); background: #FFFFFF; min-width: 220px; transition: border-color var(--transition); }
  .cta-input:focus { outline: none; border-color: var(--primary); }
  .cta-btn { display: inline-flex; align-items: center; gap: 6px; background: var(--primary); color: #FFFFFF; padding: 10px 20px; border-radius: var(--radius-btn); font-size: 14px; font-weight: 600; border: none; cursor: pointer; white-space: nowrap; transition: background var(--transition); }
  .cta-btn:hover { background: var(--primary-dark); color: #FFFFFF; }
  .cta-btn:active { transform: scale(0.98); }
  /* Footer */
  .site-footer { background: #FFFFFF; border-top: 1px solid var(--border); padding: 32px 0 24px; }
  .footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
  .footer-brand { font-size: 18px; font-weight: 800; color: var(--text); }
  .footer-brand:hover { color: var(--primary); }
  .footer-links { display: flex; flex-wrap: wrap; gap: 6px 14px; }
  .footer-links a { font-size: 13px; color: var(--text-secondary); transition: color var(--transition); }
  .footer-links a:hover { color: var(--primary); }
  .footer-copyright { font-size: 12px; color: #94A3B8; text-align: center; border-top: 1px solid var(--border); padding-top: 14px; }
  /* 响应式 */
  @media (max-width: 640px) {
    .team-card-wrap { flex: 0 0 100%; max-width: 100%; }
    .topic-card-wrap { flex: 0 0 100%; max-width: 100%; }
    .category-hero h1 { font-size: 24px; }
    .section { padding: var(--gap-section-mobile) 0; }
    .section-sm { padding: 36px 0; }
    .header-top { flex-wrap: wrap; gap: 10px; }
    .header-cta { font-size: 12px; padding: 8px 14px; }
    .cta-card { flex-direction: column; align-items: flex-start; }
    .cta-form { width: 100%; flex-wrap: nowrap; }
    .cta-input { flex: 1; min-width: 0; }
    .team-card-img { height: 160px; }
    .topic-card-img { height: 130px; }
    .stats-strip { padding: 18px 14px; gap: 14px 8px; }
    .stat-number { font-size: 22px; }
  }
  @media (min-width: 641px) and (max-width: 1024px) {
    .team-card-wrap { flex: 0 0 100%; max-width: 100%; }
    .topic-card-wrap { flex: 0 0 50%; max-width: 50%; }
  }
  @media (min-width: 1025px) {
    .team-card-wrap { flex: 0 0 50%; max-width: 50%; }
    .topic-card-wrap { flex: 0 0 33.333%; max-width: 33.333%; }
  }

/* roulang page: category2 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1E5CD6;
            --primary-light: #EBF2FE;
            --accent: #34A853;
            --accent-light: #E8F7ED;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-chip: 999px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
            --transition: 0.2s ease;
            --gap-section: 64px;
            --gap-section-mobile: 40px;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section { padding: var(--gap-section) 0; }
        .section-sm { padding: 48px 0; }
        .section-tight { padding: 36px 0; }

        .section-title {
            font-size: 24px;
            margin-bottom: 8px;
            color: var(--text);
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 680px;
            line-height: 1.8;
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .logo:hover { color: var(--primary); }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition);
        }
        .header-cta:hover { background: var(--primary-dark); color: #FFFFFF; }
        .header-nav-row {
            display: flex;
            align-items: center;
            overflow-x: auto;
            padding: 0 0 12px;
            gap: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .header-nav-row::-webkit-scrollbar { height: 4px; }
        .header-nav-row::-webkit-scrollbar-track { background: transparent; }
        .header-nav-row::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .nav-home-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-home-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Breadcrumb */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 18px 0 10px;
        }
        .breadcrumb-row a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-row a:hover { color: var(--primary); }
        .breadcrumb-sep {
            color: var(--border);
            font-size: 12px;
            user-select: none;
        }
        .breadcrumb-current {
            color: var(--text);
            font-weight: 600;
        }

        /* Category H1 Section */
        .category-head {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 18px 0 32px;
        }
        .category-head h1 {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .category-head .lead {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
        }

        /* Filter Bar */
        .filter-section {
            padding: 24px 0 8px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 16px;
        }
        .filter-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
            text-transform: uppercase;
            margin-bottom: 2px;
        }
        .filter-chips {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition);
            user-select: none;
        }
        .filter-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        /* Content Cards */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .content-card {
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .content-card .card-image {
            width: 100%;
            height: 190px;
            object-fit: cover;
        }
        .content-card .card-body {
            padding: 20px 22px 22px;
        }
        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .content-card .card-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }
        .content-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.5;
        }
        .content-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
        }
        .card-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            white-space: nowrap;
        }
        .tag.tag-accent {
            background: var(--accent-light);
            color: var(--accent);
            border-color: transparent;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
        }
        .read-more:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary);
        }
        .read-more i {
            font-size: 12px;
            transition: transform var(--transition);
        }
        .read-more:hover i {
            transform: translateX(4px);
        }

        /* Stats Strip */
        .stats-strip {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stats-item {
            text-align: center;
            position: relative;
        }
        .stats-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: -10px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 38px;
            background: var(--border);
        }
        .stats-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stats-label {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .topic-card .topic-image {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card .topic-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .topic-card .topic-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }
        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .topic-card .topic-link i {
            font-size: 11px;
            transition: transform var(--transition);
        }
        .topic-card .topic-link:hover i {
            transform: translateX(4px);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary:hover { background: var(--bg); }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-secondary);
            font-size: 11px;
            transition: all var(--transition);
        }
        .faq-item[open] summary .faq-icon {
            background: var(--primary);
            color: #FFFFFF;
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA Box */
        .cta-box {
            background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 50%, #F2F8F3 100%);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 16px;
            padding: 40px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/505a3f95923d99d3.webp') no-repeat center right;
            background-size: cover;
            opacity: 0.1;
            z-index: 0;
            pointer-events: none;
        }
        .cta-box > * {
            position: relative;
            z-index: 1;
        }
        .cta-box .cta-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }
        .cta-box .cta-text {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cta-form {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .cta-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            padding: 11px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--text);
            background: #FFFFFF;
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
            font-family: var(--font-body);
        }
        .cta-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.12);
        }
        .cta-form .btn-primary {
            padding: 11px 22px;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition), box-shadow var(--transition);
            font-family: var(--font-body);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .cta-form .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(47, 111, 237, 0.25);
        }
        .cta-form .btn-primary:focus-visible {
            outline: 2px solid var(--primary-dark);
            outline-offset: 2px;
        }
        .cta-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 14px;
        }

        /* Footer */
        .site-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 32px 0 24px;
            margin-top: 0;
        }
        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .footer-brand:hover { color: var(--primary); }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 20px;
            font-size: 13px;
        }
        .footer-links a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-links a:hover { color: var(--primary); }
        .footer-copyright {
            font-size: 12px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 16px;
            text-align: center;
            line-height: 1.7;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .content-grid { grid-template-columns: repeat(2, 1fr); }
            .topic-grid { grid-template-columns: repeat(3, 1fr); }
            .stats-strip { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .content-grid { grid-template-columns: 1fr; }
            .topic-grid { grid-template-columns: 1fr; }
            .stats-strip { grid-template-columns: repeat(2, 1fr); }
            .category-head h1 { font-size: 24px; }
            .section { padding: var(--gap-section-mobile) 0; }
            .site-header { position: relative; }
            .header-top { padding: 10px 0; }
            .logo { font-size: 17px; }
            .header-cta { padding: 7px 14px; font-size: 13px; }
            .section-title { font-size: 20px; }
            .content-card .card-image { height: 160px; }
            .topic-card .topic-image { height: 130px; }
            .cta-box { padding: 28px 16px; }
            .cta-box .cta-title { font-size: 19px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .category-head h1 { font-size: 21px; }
            .content-card .card-body { padding: 16px 18px 18px; }
            .content-card .card-title { font-size: 15px; }
            .stats-strip { grid-template-columns: 1fr 1fr; gap: 14px; padding: 20px 16px; }
            .stats-number { font-size: 26px; }
            .stats-item:not(:last-child)::after { display: none; }
            .filter-chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
            .filter-chip { font-size: 12px; padding: 5px 12px; }
            .cta-form { flex-direction: column; }
            .cta-form input[type="email"] { width: 100%; min-width: 0; }
            .cta-form .btn-primary { width: 100%; justify-content: center; }
            .footer-inner { flex-direction: column; gap: 14px; }
            .footer-links { gap: 10px 16px; }
        }

/* roulang page: category5 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1E5CD6;
            --primary-light: #EBF2FE;
            --accent: #34A853;
            --accent-light: #E8F7ED;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-chip: 999px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
            --transition: 0.2s ease;
            --gap-section: 64px;
            --gap-section-mobile: 40px;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--gap-section) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-tight {
            padding: 36px 0;
        }
        .section-title {
            font-size: 24px;
            margin-bottom: 8px;
            color: var(--text);
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 680px;
            line-height: 1.8;
        }
        /* Header */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
        }
        .header-nav-row {
            display: flex;
            align-items: center;
            overflow-x: auto;
            padding: 0 0 12px;
            gap: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .header-nav-row::-webkit-scrollbar {
            height: 4px;
        }
        .header-nav-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .header-nav-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .nav-home-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-home-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        /* 面包屑 */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb-row a {
            color: var(--text-secondary);
        }
        .breadcrumb-row a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--border);
        }
        /* 分类H1区 */
        .category-header {
            padding: 40px 0 28px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }
        .category-header h1 {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .category-header .cat-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin: 0;
        }
        /* 筛选条 */
        .filter-bar {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 24px;
            box-shadow: var(--shadow-card);
        }
        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-right: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        /* 转会卡片列表 */
        .transfer-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-top: 28px;
        }
        @media (min-width: 640px) {
            .transfer-list {
                grid-template-columns: 1fr 1fr;
            }
        }
        .transfer-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
        }
        .transfer-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #CBD5E1;
        }
        .transfer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .transfer-date {
            font-size: 13px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }
        .transfer-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent);
        }
        .transfer-badge.outgoing {
            background: #FEF3F2;
            color: #DC2626;
        }
        .transfer-badge.loan {
            background: #FEFCE8;
            color: #CA8A04;
        }
        .transfer-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin: 0;
        }
        .transfer-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            flex: 1;
        }
        .transfer-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .transfer-tag {
            display: inline-flex;
            padding: 2px 10px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .transfer-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }
        .transfer-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        /* 数据摘要 */
        .stats-bar {
            background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 55%, #F2F8F3 100%);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 28px;
            box-shadow: var(--shadow-card);
        }
        @media (min-width: 640px) {
            .stats-bar {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .stat-item {
            text-align: left;
        }
        .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
        }
        /* 相关专题 */
        .topic-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 28px;
        }
        @media (min-width: 640px) {
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .topic-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .topic-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }
        .topic-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .topic-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0;
            color: var(--text);
            line-height: 1.5;
        }
        .topic-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
            flex: 1;
        }
        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }
        .topic-link:hover {
            color: var(--primary-dark);
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            list-style: none;
            gap: 12px;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: var(--primary-light);
        }
        .faq-item summary .faq-icon {
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #2F6FED 0%, #1E5CD6 100%);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .cta-block .cta-text h2 {
            color: #FFFFFF;
            font-size: 22px;
            font-weight: 800;
            margin: 0 0 6px;
            letter-spacing: -0.01em;
        }
        .cta-block .cta-text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            margin: 0;
            line-height: 1.75;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .cta-form input {
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.15);
            color: #FFFFFF;
            font-size: 14px;
            min-width: 220px;
            outline: none;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .cta-form input:focus {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.25);
        }
        .cta-form button {
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            border: none;
            background: #FFFFFF;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
        }
        .cta-form button:hover {
            background: #F0F6FF;
            transform: translateY(-1px);
        }
        .cta-form button:focus-visible {
            outline: 2px solid #FFFFFF;
            outline-offset: 2px;
        }
        /* Footer */
        .site-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 36px 0 28px;
            margin-top: 0;
        }
        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .footer-brand:hover {
            color: var(--primary);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
        }
        .footer-links a {
            color: var(--text-secondary);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-copyright {
            font-size: 12px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 18px;
            line-height: 1.8;
        }
        /* 响应式 */
        @media (max-width: 639px) {
            .category-header h1 {
                font-size: 24px;
            }
            .section {
                padding: var(--gap-section-mobile) 0;
            }
            .section-sm {
                padding: 36px 0;
            }
            .transfer-card {
                padding: 18px 16px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 20px 16px;
            }
            .stat-number {
                font-size: 22px;
            }
            .cta-block {
                padding: 28px 20px;
            }
            .cta-block .cta-text h2 {
                font-size: 18px;
            }
            .cta-form input {
                min-width: 100%;
                width: 100%;
            }
            .cta-form {
                width: 100%;
            }
            .cta-form button {
                width: 100%;
            }
            .header-cta {
                padding: 7px 14px;
                font-size: 13px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 16px;
            }
            .footer-links {
                gap: 10px;
            }
        }
        @media (min-width: 640px) and (max-width: 1023px) {
            .category-header h1 {
                font-size: 27px;
            }
            .section {
                padding: 52px 0;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1E5CD6;
            --primary-light: #EBF2FE;
            --accent: #34A853;
            --accent-light: #E8F7ED;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-chip: 999px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
            --transition: 0.2s ease;
            --gap-section: 64px;
            --gap-section-mobile: 40px;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--gap-section) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-tight {
            padding: 36px 0;
        }
        .section-title {
            font-size: 24px;
            margin-bottom: 8px;
            color: var(--text);
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 680px;
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
        }
        .header-nav-row {
            display: flex;
            align-items: center;
            overflow-x: auto;
            padding: 0 0 12px;
            gap: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .header-nav-row::-webkit-scrollbar {
            height: 4px;
        }
        .header-nav-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .header-nav-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .nav-home-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-home-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 20px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Category H1 area */
        .category-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 32px 0 28px;
        }
        .category-header h1 {
            font-size: 30px;
            font-weight: 800;
            margin: 8px 0 10px;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .category-header .h1-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0;
            line-height: 1.75;
        }

        /* Filter toolbar */
        .filter-toolbar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }
        .filter-toolbar-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition);
            font-family: var(--font-body);
        }
        .filter-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        /* List cards */
        .fans-list-section {
            padding: 40px 0 56px;
        }
        .fans-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .fans-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 22px 18px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }
        .fans-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(47, 111, 237, 0.25);
        }
        .fans-card-date {
            font-size: 13px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .fans-card-date i {
            color: var(--accent);
            font-size: 12px;
        }
        .fans-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.5;
            letter-spacing: 0.3px;
        }
        .fans-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }
        .fans-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .fans-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(47, 111, 237, 0.15);
        }
        .fans-tag.accent-tag {
            background: var(--accent-light);
            color: var(--accent);
            border-color: rgba(52, 168, 83, 0.15);
        }
        .fans-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .fans-card-readmore {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: color var(--transition);
            font-family: var(--font-body);
        }
        .fans-card-readmore:hover {
            color: var(--primary-dark);
        }
        .fans-card-readmore i {
            font-size: 12px;
            transition: transform var(--transition);
        }
        .fans-card-readmore:hover i {
            transform: translateX(4px);
        }
        .fans-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .fans-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Stats bar */
        .fans-stats-section {
            padding: 0 0 48px;
        }
        .fans-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 20px;
        }
        .fans-stat-item {
            text-align: center;
            padding: 0 10px;
        }
        .fans-stat-item + .fans-stat-item {
            border-left: 1px solid var(--border);
        }
        .fans-stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .fans-stat-number .stat-unit {
            font-size: 16px;
            font-weight: 600;
            margin-left: 2px;
        }
        .fans-stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
            line-height: 1.5;
        }

        /* Related topics */
        .fans-topics-section {
            padding: 0 0 48px;
        }
        .fans-topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .fans-topic-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .fans-topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .fans-topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .fans-topic-body {
            padding: 16px 18px 18px;
        }
        .fans-topic-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .fans-topic-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .fans-topic-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 10px;
            transition: color var(--transition);
        }
        .fans-topic-link:hover {
            color: var(--primary-dark);
        }

        /* FAQ */
        .fans-faq-section {
            padding: 0 0 48px;
        }
        .fans-faq-list {
            max-width: 780px;
        }
        .fans-faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .fans-faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .fans-faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.6;
            transition: color var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
        }
        .fans-faq-question:hover {
            color: var(--primary);
        }
        .fans-faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 12px;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .fans-faq-answer {
            display: none;
            padding: 0 20px 16px 60px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }
        .fans-faq-item.open .fans-faq-answer {
            display: block;
        }
        .fans-faq-item.open .fans-faq-question .faq-icon {
            background: var(--primary);
            color: #FFFFFF;
            transform: rotate(180deg);
        }
        .fans-faq-answer a {
            color: var(--primary);
            font-weight: 500;
        }
        .fans-faq-answer a:hover {
            color: var(--primary-dark);
        }

        /* CTA subscribe section */
        .fans-cta-section {
            padding: 32px 0 56px;
        }
        .fans-cta-box {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .fans-cta-content {
            flex: 1;
            min-width: 260px;
        }
        .fans-cta-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .fans-cta-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .fans-cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 300px;
            flex: 1;
            max-width: 440px;
        }
        .fans-cta-form input {
            flex: 1;
            padding: 11px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-family: var(--font-body);
            color: var(--text);
            background: var(--bg);
            transition: border-color var(--transition);
            outline: none;
        }
        .fans-cta-form input:focus {
            border-color: var(--primary);
        }
        .fans-cta-form input::placeholder {
            color: var(--text-secondary);
            opacity: 0.7;
        }
        .fans-cta-form button {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 11px 22px;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            font-family: var(--font-body);
            cursor: pointer;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .fans-cta-form button:hover {
            background: var(--primary-dark);
        }
        .fans-cta-form button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Footer */
        .site-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 40px 0 28px;
            margin-top: 0;
        }
        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
        }
        .footer-brand:hover {
            color: var(--primary);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-copyright {
            font-size: 12px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 16px;
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .fans-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 20px 14px;
            }
            .fans-stat-item + .fans-stat-item {
                border-left: none;
            }
            .fans-stat-item:nth-child(odd) {
                border-right: 1px solid var(--border);
            }
            .fans-stat-item:nth-child(n+3) {
                border-top: 1px solid var(--border);
                padding-top: 16px;
            }
            .fans-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .fans-topic-card:last-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --gap-section: 42px;
            }
            .section {
                padding: var(--gap-section) 0;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .fans-list-grid {
                grid-template-columns: 1fr;
            }
            .fans-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .fans-topics-grid {
                grid-template-columns: 1fr;
            }
            .fans-topic-card:last-child {
                grid-column: auto;
            }
            .fans-cta-box {
                padding: 24px 20px;
                gap: 20px;
            }
            .fans-cta-form {
                min-width: 100%;
                max-width: 100%;
                flex-direction: column;
            }
            .fans-cta-form input {
                width: 100%;
            }
            .fans-cta-form button {
                width: 100%;
                justify-content: center;
            }
            .fans-faq-answer {
                padding-left: 20px;
            }
            .fans-faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            :root {
                --gap-section: 36px;
            }
            .section {
                padding: var(--gap-section) 0;
            }
            .header-top {
                padding: 12px 0;
            }
            .logo {
                font-size: 18px;
            }
            .logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .header-cta {
                padding: 7px 14px;
                font-size: 13px;
            }
            .nav-chip, .nav-home-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .category-header .h1-desc {
                font-size: 14px;
            }
            .fans-stat-number {
                font-size: 22px;
            }
            .fans-stat-label {
                font-size: 12px;
            }
            .fans-card-title {
                font-size: 16px;
            }
            .fans-card-summary {
                font-size: 13px;
            }
            .fans-topic-card img {
                height: 140px;
            }
            .fans-cta-title {
                font-size: 19px;
            }
            .footer-links {
                gap: 12px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1E5CD6;
            --primary-light: #EBF2FE;
            --accent: #34A853;
            --accent-light: #E8F7ED;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-chip: 999px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
            --transition: 0.2s ease;
            --gap-section: 64px;
            --gap-section-mobile: 40px;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: var(--font-body);
            font-size: 15px;
        }

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--gap-section) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-tight {
            padding: 36px 0;
        }

        .section-title {
            font-size: 24px;
            margin-bottom: 8px;
            color: var(--text);
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 680px;
        }

        /* ========== Header ========== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 6px rgba(15, 23, 42, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-card);
        }
        .header-cta:focus-visible {
            outline: 2px solid var(--primary-dark);
            outline-offset: 3px;
        }
        .header-nav-row {
            display: flex;
            align-items: center;
            overflow-x: auto;
            padding: 0 0 12px;
            gap: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .header-nav-row::-webkit-scrollbar {
            height: 4px;
        }
        .header-nav-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .header-nav-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }
        .nav-chip,
        .nav-home-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-home-chip {
            padding: 7px 14px;
        }
        .nav-chip:hover,
        .nav-home-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        /* ========== Breadcrumb & Category Header ========== */
        .category-header {
            padding: 32px 0 24px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }
        .category-header h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .category-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        /* ========== Filter Chips ========== */
        .filter-section {
            padding: 20px 0 8px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }
        .filter-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            user-select: none;
        }
        .filter-chip:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        /* ========== Tactics List ========== */
        .tactics-section {
            background: var(--bg);
        }
        .tactics-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .tactic-card {
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .tactic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 111, 237, 0.15);
        }
        .tactic-date {
            font-size: 13px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .tactic-date i {
            font-size: 12px;
            color: var(--primary);
        }
        .tactic-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin: 0;
        }
        .tactic-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .tactic-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tactic-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            transition: background var(--transition);
        }
        .tactic-tag.accent-tag {
            background: var(--accent-light);
            color: var(--accent);
        }
        .tactic-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
            margin-top: 4px;
            cursor: pointer;
        }
        .tactic-readmore:hover {
            color: var(--primary-dark);
        }
        .tactic-readmore i {
            font-size: 12px;
            transition: transform var(--transition);
        }
        .tactic-readmore:hover i {
            transform: translateX(3px);
        }

        /* ========== Stats Bar ========== */
        .stats-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            padding: 20px 12px;
            border-radius: 10px;
            background: var(--bg);
            transition: background var(--transition);
        }
        .stat-item:hover {
            background: var(--primary-light);
        }
        .stat-number {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== Featured Topics ========== */
        .topics-section {
            background: var(--bg);
        }
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid transparent;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 111, 237, 0.15);
        }
        .topic-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background-color: var(--primary-light);
        }
        .topic-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .topic-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-chip);
            font-size: 12px;
            font-weight: 500;
            background: var(--accent-light);
            color: var(--accent);
            width: fit-content;
        }
        .topic-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
        }
        .topic-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== Category FAQ ========== */
        .faq-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            background: var(--card);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA Subscribe ========== */
        .cta-section {
            background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 45%, #F2F8F3 100%);
            border-bottom: 1px solid var(--border);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .cta-form {
            flex: 1;
            min-width: 280px;
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 11px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: #FFFFFF;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .cta-form input[type="email"]::placeholder {
            color: #94A3B8;
        }
        .cta-form input[type="email"]:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.12);
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-card);
        }
        .cta-btn:focus-visible {
            outline: 2px solid var(--primary-dark);
            outline-offset: 3px;
        }
        .cta-hint {
            font-size: 12px;
            color: #94A3B8;
            margin-top: 8px;
            display: block;
            width: 100%;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 32px 0 20px;
        }
        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
        }
        .footer-brand:hover {
            color: var(--primary);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-copyright {
            font-size: 12px;
            color: #94A3B8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .tactics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .topics-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .topic-img {
                height: 150px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --gap-section: var(--gap-section-mobile);
            }
            .section {
                padding: var(--gap-section-mobile) 0;
            }
            .section-title {
                font-size: 20px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-desc {
                font-size: 14px;
            }
            .tactics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .topics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .topic-img {
                height: 200px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 26px;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .header-cta {
                font-size: 13px;
                padding: 8px 14px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .cta-form {
                width: 100%;
            }
            .cta-form input[type="email"] {
                width: 100%;
                flex: none;
            }
            .filter-row {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
            }
            .filter-chip {
                flex-shrink: 0;
            }
            .tactic-card {
                padding: 18px;
            }
            .footer-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .category-header {
                padding: 20px 0 16px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .tactics-grid {
                grid-template-columns: 1fr;
            }
            .tactic-title {
                font-size: 16px;
            }
            .tactic-summary {
                font-size: 13px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 22px;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .cta-btn {
                width: 100%;
                justify-content: center;
            }
            .footer-links {
                gap: 10px;
            }
            .filter-section {
                padding: 14px 0 6px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category7 */
:root {
        --primary: #2F6FED;
        --primary-dark: #1E5CD6;
        --primary-light: #EBF2FE;
        --accent: #34A853;
        --accent-light: #E8F7ED;
        --bg: #F6F8FB;
        --card: #FFFFFF;
        --text: #1E293B;
        --text-secondary: #64748B;
        --border: #E2E8F0;
        --radius-card: 14px;
        --radius-btn: 10px;
        --radius-chip: 999px;
        --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
        --shadow-hover: 0 10px 24px rgba(15, 23, 42, 0.10);
        --transition: 0.2s ease;
        --gap-section: 52px;
        --gap-section-mobile: 40px;
        --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-body);
        background-color: var(--bg);
        color: var(--text);
        line-height: 1.75;
        font-size: 15px;
        margin: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

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

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

    .container {
        max-width: 1120px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .section { padding: var(--gap-section) 0; }
    .section-sm { padding: 48px 0; }
    .section-tight { padding: 36px 0; }

    .section-title {
        font-size: 24px;
        margin-bottom: 8px;
        color: var(--text);
        font-weight: 700;
        line-height: 1.35;
    }

    .section-subtitle {
        color: var(--text-secondary);
        font-size: 15px;
        margin-bottom: 28px;
        max-width: 680px;
    }

    /* Header */
    .site-header {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 100;
    }
    .header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
        gap: 16px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 20px;
        font-weight: 800;
        color: var(--text);
        letter-spacing: 0.5px;
    }
    .logo:hover { color: var(--primary); }
    .logo .logo-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        background: var(--primary);
        color: #FFFFFF;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 700;
    }
    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary);
        color: #FFFFFF;
        padding: 9px 18px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        font-weight: 600;
        white-space: nowrap;
        transition: background var(--transition);
    }
    .header-cta:hover { background: var(--primary-dark); color: #FFFFFF; }

    .header-nav-row {
        display: flex;
        align-items: center;
        overflow-x: auto;
        padding: 0 0 12px;
        gap: 8px;
        scrollbar-width: thin;
        scrollbar-color: var(--border) transparent;
        -webkit-overflow-scrolling: touch;
    }
    .header-nav-row::-webkit-scrollbar { height: 4px; }
    .header-nav-row::-webkit-scrollbar-track { background: transparent; }
    .header-nav-row::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }

    .nav-chip,
    .nav-home-chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 7px 16px;
        border-radius: var(--radius-chip);
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background: transparent;
        border: 1px solid var(--border);
        white-space: nowrap;
        transition: all var(--transition);
        cursor: pointer;
    }
    .nav-chip:hover,
    .nav-home-chip:hover {
        background: var(--primary-light);
        border-color: var(--primary);
        color: var(--primary);
    }
    .nav-chip.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #FFFFFF;
    }
    .nav-home-chip {
        padding: 7px 14px;
    }

    /* Breadcrumb */
    .breadcrumb-row {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--text-secondary);
        flex-wrap: wrap;
        margin-bottom: 12px;
    }
    .breadcrumb-row a {
        color: var(--text-secondary);
        font-weight: 500;
        transition: color var(--transition);
    }
    .breadcrumb-row a:hover { color: var(--primary); }
    .breadcrumb-row .separator {
        color: var(--border);
        font-size: 12px;
    }
    .breadcrumb-row .current {
        color: var(--text);
        font-weight: 600;
    }

    /* Category Hero (compact) */
    .category-hero {
        padding: 36px 0 28px;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
    }
    .category-hero h1 {
        font-size: 28px;
        font-weight: 800;
        color: var(--text);
        margin: 0 0 8px;
        line-height: 1.3;
        letter-spacing: 0.3px;
    }
    .category-hero .category-desc {
        color: var(--text-secondary);
        font-size: 15px;
        max-width: 720px;
        margin: 0;
        line-height: 1.7;
    }

    /* Filter toolbar */
    .filter-toolbar {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
        padding: 20px 0;
        border-bottom: 1px solid var(--border);
        margin-bottom: 0;
    }
    .filter-label {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-secondary);
        margin-right: 4px;
        white-space: nowrap;
    }
    .filter-chip {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 7px 16px;
        border-radius: var(--radius-chip);
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background: var(--card);
        border: 1px solid var(--border);
        white-space: nowrap;
        cursor: pointer;
        transition: all var(--transition);
    }
    .filter-chip:hover {
        background: var(--primary-light);
        border-color: var(--primary);
        color: var(--primary);
    }
    .filter-chip.is-active {
        background: var(--primary);
        border-color: var(--primary);
        color: #FFFFFF;
        font-weight: 600;
    }
    .filter-chip:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

    /* Gear list cards */
    .gear-card {
        display: flex;
        flex-direction: column;
        background: var(--card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: box-shadow var(--transition), transform var(--transition);
        margin-bottom: 20px;
        height: 100%;
    }
    .gear-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }
    .gear-card .card-img-wrapper {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 10;
        background: var(--primary-light);
    }
    .gear-card .card-img-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.35s ease;
    }
    .gear-card:hover .card-img-wrapper img {
        transform: scale(1.04);
    }
    .gear-card .card-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--accent);
        color: #FFFFFF;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: var(--radius-chip);
        letter-spacing: 0.3px;
    }
    .gear-card .card-body {
        padding: 20px 20px 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .gear-card .card-date {
        font-size: 13px;
        color: var(--text-secondary);
        margin-bottom: 8px;
        font-family: var(--font-mono);
        letter-spacing: 0.3px;
    }
    .gear-card .card-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 8px;
        line-height: 1.45;
    }
    .gear-card .card-summary {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin: 0 0 14px;
        flex: 1;
    }
    .gear-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
    }
    .gear-card .tag-list {
        display: flex;
        gap: 6px;
        flex-wrap: wrap;
    }
    .gear-card .tag {
        display: inline-flex;
        align-items: center;
        padding: 4px 12px;
        border-radius: var(--radius-chip);
        font-size: 12px;
        font-weight: 500;
        background: var(--primary-light);
        color: var(--primary);
        white-space: nowrap;
    }
    .gear-card .read-more-btn {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 7px 14px;
        border-radius: var(--radius-btn);
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        background: transparent;
        border: 1px solid var(--primary);
        cursor: pointer;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .gear-card .read-more-btn:hover {
        background: var(--primary);
        color: #FFFFFF;
    }
    .gear-card .read-more-btn:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

    /* Stats bar */
    .stats-bar {
        background: linear-gradient(135deg, #F0F6FF 0%, #F8FBFF 60%, #F2F8F3 100%);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 28px 24px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .stat-item {
        text-align: center;
    }
    .stat-item .stat-number {
        font-size: 28px;
        font-weight: 800;
        color: var(--primary);
        font-family: var(--font-mono);
        line-height: 1.2;
        margin-bottom: 4px;
    }
    .stat-item .stat-label {
        font-size: 13px;
        color: var(--text-secondary);
        font-weight: 500;
    }
    .stat-item .stat-note {
        font-size: 12px;
        color: var(--text-secondary);
        margin-top: 2px;
        opacity: 0.75;
    }

    /* Topic cards */
    .topic-card {
        background: var(--card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: box-shadow var(--transition), transform var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .topic-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }
    .topic-card .topic-img {
        width: 100%;
        aspect-ratio: 16 / 9;
        object-fit: cover;
        background: var(--primary-light);
    }
    .topic-card .topic-body {
        padding: 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .topic-card .topic-tag {
        display: inline-block;
        align-self: flex-start;
        font-size: 12px;
        font-weight: 600;
        color: var(--accent);
        background: var(--accent-light);
        padding: 3px 10px;
        border-radius: var(--radius-chip);
        margin-bottom: 10px;
    }
    .topic-card .topic-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 8px;
        line-height: 1.4;
    }
    .topic-card .topic-desc {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin: 0 0 14px;
        flex: 1;
    }
    .topic-card .topic-link {
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: color var(--transition);
    }
    .topic-card .topic-link:hover { color: var(--primary-dark); }

    /* FAQ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: box-shadow var(--transition), border-color var(--transition);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-card);
        border-color: #CBD5E1;
    }
    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 18px 20px;
        cursor: pointer;
        font-weight: 600;
        font-size: 15px;
        color: var(--text);
        list-style: none;
        transition: color var(--transition);
        user-select: none;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
        content: "\f107";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        color: var(--text-secondary);
        font-size: 14px;
        transition: transform var(--transition);
    }
    .faq-item[open] summary::after {
        transform: rotate(180deg);
        color: var(--primary);
    }
    .faq-item summary:hover { color: var(--primary); }
    .faq-item summary:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
        border-radius: 4px;
    }
    .faq-item .faq-answer {
        padding: 0 20px 18px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.75;
    }

    /* CTA / subscribe */
    .subscribe-section {
        background: linear-gradient(120deg, #F0F6FF 0%, #F8FBFF 40%, #F2F8F3 100%);
        border-radius: var(--radius-card);
        padding: 40px 32px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
        border: 1px solid var(--border);
    }
    .subscribe-section .subscribe-info {
        flex: 1;
        min-width: 260px;
    }
    .subscribe-section .subscribe-title {
        font-size: 20px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 6px;
    }
    .subscribe-section .subscribe-desc {
        font-size: 14px;
        color: var(--text-secondary);
        margin: 0;
    }
    .subscribe-section .subscribe-form {
        display: flex;
        gap: 10px;
        align-items: center;
        flex-wrap: wrap;
    }
    .subscribe-section input[type="email"] {
        min-width: 240px;
        padding: 10px 16px;
        border: 1px solid var(--border);
        border-radius: var(--radius-btn);
        font-size: 14px;
        color: var(--text);
        background: var(--card);
        transition: border-color var(--transition), box-shadow var(--transition);
        font-family: var(--font-body);
    }
    .subscribe-section input[type="email"]:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.12);
    }
    .subscribe-section .subscribe-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary);
        color: #FFFFFF;
        border: none;
        padding: 10px 22px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: background var(--transition), transform var(--transition);
        font-family: var(--font-body);
        white-space: nowrap;
    }
    .subscribe-section .subscribe-btn:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
    }
    .subscribe-section .subscribe-btn:active {
        transform: translateY(0);
    }
    .subscribe-section .subscribe-btn:focus-visible {
        outline: 2px solid var(--primary-dark);
        outline-offset: 2px;
    }

    /* Footer */
    .site-footer {
        background: #FFFFFF;
        border-top: 1px solid var(--border);
        padding: 28px 0 20px;
        margin-top: var(--gap-section);
    }
    .footer-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 16px;
    }
    .footer-brand {
        font-size: 18px;
        font-weight: 800;
        color: var(--text);
    }
    .footer-brand:hover { color: var(--primary); }
    .footer-links {
        display: flex;
        flex-wrap: wrap;
        gap: 6px 16px;
        font-size: 13px;
    }
    .footer-links a {
        color: var(--text-secondary);
        font-weight: 500;
        transition: color var(--transition);
    }
    .footer-links a:hover { color: var(--primary); }
    .footer-copyright {
        font-size: 12px;
        color: var(--text-secondary);
        border-top: 1px solid var(--border);
        padding-top: 14px;
        text-align: center;
    }

    /* Utility */
    .text-center { text-align: center; }
    .mt-0 { margin-top: 0; }
    .mb-0 { margin-bottom: 0; }
    .mt-1 { margin-top: 12px; }
    .mb-1 { margin-bottom: 12px; }

    /* Responsive */
    @media (max-width: 1024px) {
        .stats-bar {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            padding: 20px 16px;
        }
        .section { padding: 42px 0; }
    }

    @media (max-width: 640px) {
        :root {
            --gap-section: 36px;
        }
        body { font-size: 14px; }
        .header-top {
            padding: 10px 0;
            gap: 10px;
        }
        .logo { font-size: 17px; }
        .logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 13px;
            border-radius: 7px;
        }
        .header-cta {
            padding: 7px 14px;
            font-size: 12px;
            gap: 4px;
        }
        .nav-chip,
        .nav-home-chip {
            padding: 6px 12px;
            font-size: 12px;
            gap: 4px;
        }
        .category-hero {
            padding: 24px 0 20px;
        }
        .category-hero h1 {
            font-size: 22px;
        }
        .category-hero .category-desc {
            font-size: 14px;
        }
        .filter-toolbar {
            gap: 6px;
            padding: 14px 0;
        }
        .filter-chip {
            padding: 6px 12px;
            font-size: 12px;
        }
        .gear-card {
            margin-bottom: 14px;
        }
        .gear-card .card-body {
            padding: 16px 16px 18px;
        }
        .gear-card .card-title {
            font-size: 15px;
        }
        .gear-card .card-summary {
            font-size: 13px;
        }
        .gear-card .card-meta {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .stats-bar {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 16px 12px;
        }
        .stat-item .stat-number {
            font-size: 22px;
        }
        .stat-item .stat-label {
            font-size: 12px;
        }
        .topic-card .topic-body {
            padding: 16px;
        }
        .topic-card .topic-title {
            font-size: 15px;
        }
        .topic-card .topic-desc {
            font-size: 13px;
        }
        .faq-item summary {
            padding: 14px 16px;
            font-size: 14px;
        }
        .faq-item .faq-answer {
            padding: 0 16px 14px;
            font-size: 13px;
        }
        .subscribe-section {
            padding: 28px 18px;
            flex-direction: column;
            align-items: stretch;
            text-align: center;
        }
        .subscribe-section .subscribe-title {
            font-size: 18px;
        }
        .subscribe-section .subscribe-form {
            flex-direction: column;
            width: 100%;
        }
        .subscribe-section input[type="email"] {
            min-width: auto;
            width: 100%;
        }
        .subscribe-section .subscribe-btn {
            width: 100%;
            justify-content: center;
        }
        .site-footer {
            padding: 20px 0 14px;
        }
        .footer-inner {
            flex-direction: column;
            text-align: center;
            gap: 12px;
        }
        .footer-links {
            justify-content: center;
            gap: 4px 12px;
        }
        .footer-copyright {
            font-size: 11px;
            text-align: center;
        }
    }

    @media (max-width: 480px) {
        .stats-bar {
            grid-template-columns: 1fr;
            gap: 10px;
            padding: 14px 10px;
        }
        .stat-item .stat-number {
            font-size: 20px;
        }
        .header-cta span.cta-text {
            display: none;
        }
        .header-cta {
            padding: 8px 10px;
        }
        .category-hero h1 {
            font-size: 20px;
        }
        .filter-label {
            font-size: 12px;
        }
    }