/* roulang page: index */
:root {
            --brand-primary: #1E2A2B;
            --brand-secondary: #A47148;
            --brand-accent: #3E5C50;
            --brand-bg: #F5F1E8;
            --brand-surface: #FFFFFF;
            --brand-text: #1A2223;
            --brand-muted: #6B6F6A;
            --brand-border: #DDD6C9;
            --brand-warn: #B4472D;
            --brand-success: #2E7D5B;
            --radius-card: 10px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 8px rgba(30,42,43,0.06);
            --shadow-md: 0 8px 24px rgba(30,42,43,0.10);
            --shadow-lg: 0 12px 28px rgba(30,42,43,0.14);
            --font-display: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 40px;
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--brand-secondary);
            border-bottom: 2px solid var(--brand-secondary);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.25;
            margin-top: 0;
        }

        h1 {
            font-size: 42px;
        }

        h2 {
            font-size: 30px;
        }

        h3 {
            font-size: 20px;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: var(--section-pad-desktop) 0;
            background-color: var(--brand-bg);
        }

        section.section-surface {
            background-color: var(--brand-surface);
        }

        section.section-dark {
            background-color: var(--brand-primary);
            color: #E8E4DB;
        }

        section.section-dark h2,
        section.section-dark h3 {
            color: #FFF;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-secondary);
            margin-bottom: 12px;
            padding: 4px 12px;
            background-color: rgba(164,113,72,0.1);
            border-radius: 20px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--brand-text);
        }

        .section-desc {
            font-size: 16px;
            color: var(--brand-muted);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-primary);
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }

        .header-top {
            display: flex;
            align-items: center;
            height: 64px;
            gap: 16px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-secondary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 700;
            font-size: 16px;
        }

        .brand-logo .brand-text {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: #FFF;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .brand-logo .brand-text:hover {
            color: var(--brand-secondary);
            border-bottom: none;
        }

        .header-search {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 8px;
            max-width: 480px;
            margin: 0 auto;
        }

        .header-search input {
            flex: 1;
            height: 40px;
            border: 1px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.08);
            color: #FFF;
            border-radius: 6px;
            padding: 0 14px;
            font-size: 14px;
            transition: var(--transition-base);
        }

        .header-search input::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .header-search input:focus {
            border-color: var(--brand-secondary);
            background: rgba(255,255,255,0.12);
            outline: none;
        }

        .header-search .btn-search {
            height: 40px;
            padding: 0 18px;
            background: var(--brand-secondary);
            color: #FFF;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .header-search .btn-search:hover {
            background: #8A5A35;
        }

        .header-cta {
            flex-shrink: 0;
            height: 40px;
            padding: 0 20px;
            background: var(--brand-secondary);
            color: #FFF;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .header-cta:hover {
            background: #8A5A35;
            color: #FFF;
            border-bottom: none;
        }

        .header-nav {
            background: #182425;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 0 24px;
        }

        .nav-tabs-scroll {
            display: flex;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
            height: 48px;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .nav-tabs-scroll::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs-scroll .nav-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255,255,255,0.7);
            transition: var(--transition-base);
            flex-shrink: 0;
            cursor: pointer;
        }

        .nav-tabs-scroll .nav-pill:hover {
            color: #FFF;
            border-bottom: 2px solid var(--brand-secondary);
            border-radius: 20px 20px 0 0;
        }

        .nav-tabs-scroll .nav-pill.active {
            background: var(--brand-secondary);
            color: #FFF;
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background-color: var(--brand-primary);
            background-image: linear-gradient(135deg, rgba(30,42,43,0.92) 0%, rgba(30,42,43,0.85) 100%), url('/assets/images/059b09d7b5646cde.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            min-height: 560px;
            display: flex;
            align-items: center;
            color: #FFF;
        }

        .hero-section .section-label {
            background: rgba(164,113,72,0.25);
            color: #E8C9A8;
        }

        .hero-section h1 {
            color: #FFF;
            font-size: 44px;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .hero-section .hero-desc {
            color: rgba(255,255,255,0.8);
            font-size: 16px;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-secondary);
            color: #FFF;
            border: none;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-primary-custom:hover {
            background: #8A5A35;
            color: #FFF;
            border-bottom: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFF;
            border: 1px solid rgba(255,255,255,0.4);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-secondary-custom:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
            color: #FFF;
            border-bottom: 1px solid rgba(255,255,255,0.7);
        }

        .hero-progress-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-card);
            padding: 24px;
            backdrop-filter: blur(6px);
        }

        .progress-ring {
            --ring-progress: 72;
            --ring-size: 120px;
            width: var(--ring-size);
            height: var(--ring-size);
            border-radius: 50%;
            background: conic-gradient(var(--brand-secondary) calc(var(--ring-progress) * 1%), rgba(255,255,255,0.1) 0);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            margin: 0 auto 16px;
        }

        .progress-ring::after {
            content: '';
            position: absolute;
            width: calc(var(--ring-size) - 16px);
            height: calc(var(--ring-size) - 16px);
            border-radius: 50%;
            background: rgba(30,42,43,0.9);
        }

        .progress-ring .ring-value {
            position: relative;
            z-index: 1;
            font-size: 24px;
            font-weight: 700;
            color: #FFF;
        }

        .hero-tier-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hero-tier-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 14px;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.08);
            font-size: 14px;
        }

        .hero-tier-item .tier-name {
            font-weight: 600;
            color: #FFF;
        }

        .hero-tier-item .tier-tag {
            font-size: 12px;
            padding: 2px 10px;
            background: rgba(164,113,72,0.35);
            color: #E8C9A8;
            border-radius: 12px;
        }

        .hero-tier-item .tier-status {
            font-size: 12px;
            color: var(--brand-success);
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--brand-secondary);
        }

        .card-custom h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .card-custom p {
            color: var(--brand-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            background: rgba(62,92,80,0.1);
            color: var(--brand-accent);
        }

        /* ===== KPI Board ===== */
        .kpi-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 0;
        }

        .kpi-card {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }

        .kpi-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .kpi-card .kpi-value {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            color: var(--brand-primary);
            display: block;
            margin-bottom: 6px;
        }

        .kpi-card .kpi-label {
            font-size: 13px;
            color: var(--brand-muted);
            margin: 0;
        }

        .kpi-card .kpi-unit {
            font-size: 14px;
            color: var(--brand-secondary);
            font-weight: 600;
        }

        /* ===== Service Matrix ===== */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-matrix-item {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
        }

        .service-matrix-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--brand-secondary);
        }

        .service-matrix-item .matrix-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .service-matrix-item .matrix-body {
            padding: 20px;
        }

        .service-matrix-item .matrix-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .service-matrix-item .matrix-body p {
            color: var(--brand-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .service-matrix-item .matrix-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Comparison Table ===== */
        .compare-table-wrapper {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
        }

        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--brand-border);
            text-align: left;
            font-size: 15px;
        }

        .compare-table th {
            background: var(--brand-primary);
            color: #FFF;
            font-weight: 600;
            font-family: var(--font-display);
            border-bottom: none;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table td:first-child {
            font-weight: 600;
            color: var(--brand-text);
            background: rgba(245,241,232,0.5);
        }

        .compare-table .highlight-yes {
            color: var(--brand-success);
            font-weight: 600;
        }

        .compare-table .highlight-warn {
            color: var(--brand-warn);
            font-weight: 600;
        }

        /* ===== Steps ===== */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-item {
            position: relative;
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .step-item .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin: 0 auto 14px;
        }

        .step-item h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--brand-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Milestone ===== */
        .milestone-timeline {
            position: relative;
            padding-left: 28px;
        }

        .milestone-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--brand-border);
        }

        .milestone-item {
            position: relative;
            padding: 16px 0 16px 20px;
            border-left: 2px solid transparent;
        }

        .milestone-item::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 24px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-secondary);
        }

        .milestone-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .milestone-item .milestone-date {
            font-size: 13px;
            color: var(--brand-secondary);
            font-weight: 500;
        }

        .milestone-item p {
            font-size: 14px;
            color: var(--brand-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Testimonial ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }

        .testimonial-card:nth-child(2) {
            transform: translateY(12px);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-secondary);
        }

        .testimonial-card .quote-icon {
            font-size: 28px;
            color: var(--brand-secondary);
            margin-bottom: 10px;
        }

        .testimonial-card .quote-text {
            font-size: 14px;
            line-height: 1.7;
            color: var(--brand-text);
            margin-bottom: 16px;
        }

        .testimonial-card .quote-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
        }

        .testimonial-card .quote-date {
            font-size: 12px;
            color: var(--brand-muted);
        }

        /* ===== CMS News List ===== */
        .news-list-card {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-list-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--brand-secondary);
        }

        .news-list-card .news-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .news-list-card .news-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-list-card .news-badge {
            display: inline-block;
            font-size: 12px;
            padding: 2px 10px;
            background: rgba(62,92,80,0.1);
            color: var(--brand-accent);
            border-radius: 12px;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .news-list-card .news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-text);
        }

        .news-list-card .news-summary {
            font-size: 13px;
            color: var(--brand-muted);
            line-height: 1.6;
            margin-bottom: 10px;
            flex: 1;
        }

        .news-list-card .news-meta {
            font-size: 12px;
            color: var(--brand-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-list-card .news-link {
            font-weight: 600;
            font-size: 13px;
            color: var(--brand-secondary);
        }

        /* ===== Data Metrics Dark ===== */
        .metrics-dark-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .metrics-dark-item .metric-value {
            font-family: var(--font-display);
            font-size: 38px;
            font-weight: 700;
            color: var(--brand-secondary);
            display: block;
            margin-bottom: 4px;
        }

        .metrics-dark-item .metric-label {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
        }

        /* ===== Topic Pills ===== */
        .topic-pills-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-primary);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .topic-pill:hover {
            background: var(--brand-primary);
            color: #FFF;
            border-color: var(--brand-primary);
            border-bottom: 1px solid var(--brand-primary);
        }

        /* ===== Compliance Panel ===== */
        .compliance-panel {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.12);
            border-left: 4px solid var(--brand-secondary);
            border-radius: 8px;
            padding: 24px;
            margin-top: 20px;
        }

        .compliance-panel h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 8px;
        }

        .compliance-panel p {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .compliance-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compliance-panel ul li {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .compliance-panel ul li i {
            color: var(--brand-success);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== FAQ Accordion ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: 8px !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--brand-surface);
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            background: var(--brand-surface);
            color: var(--brand-text);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            border: none;
            border-radius: 8px !important;
            transition: var(--transition-base);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--brand-bg);
            color: var(--brand-primary);
            border-left: 3px solid var(--brand-secondary);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-accent);
            outline-offset: -2px;
        }

        .faq-accordion .accordion-button::after {
            background-size: 16px;
            filter: invert(40%) sepia(20%) saturate(400%) hue-rotate(5deg);
        }

        .faq-accordion .accordion-body {
            font-size: 14px;
            color: var(--brand-muted);
            line-height: 1.8;
            padding: 16px 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--brand-primary);
            background-image: linear-gradient(135deg, rgba(30,42,43,0.95), rgba(30,42,43,0.9)), url('/assets/images/fa99a941a63f6295.webp');
            background-size: cover;
            background-position: center;
            text-align: center;
            padding: 80px 0;
            color: #FFF;
        }

        .cta-section h2 {
            color: #FFF;
            font-size: 32px;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255,255,255,0.75);
            max-width: 620px;
            margin: 0 auto 28px;
            font-size: 16px;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1A2425;
            color: rgba(255,255,255,0.7);
            padding: 48px 0 24px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 12px;
        }

        .site-footer .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            max-width: 320px;
        }

        .site-footer .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            transition: var(--transition-base);
        }

        .site-footer ul li a:hover {
            color: var(--brand-secondary);
            border-bottom: 1px solid var(--brand-secondary);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255,255,255,0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            h1 { font-size: 32px; }
            h2 { font-size: 26px; }
            .section-title { font-size: 24px; }
            section { padding: var(--section-pad-mobile) 0; }
            .hero-section {
                padding: 48px 0;
                min-height: 480px;
            }
            .hero-section h1 { font-size: 32px; }
            .kpi-row { grid-template-columns: repeat(2, 1fr); }
            .service-matrix-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: 1fr; }
            .testimonial-card:nth-child(2) { transform: none; }
            .steps-container { grid-template-columns: repeat(2, 1fr); }
            .metrics-dark-row { grid-template-columns: repeat(2, 1fr); }
            .header-top { flex-wrap: wrap; height: auto; padding: 12px 16px; }
            .header-search { order: 3; flex: 1 1 100%; max-width: 100%; margin-top: 8px; }
            .header-cta { display: none; }
        }

        @media (max-width: 767px) {
            h1 { font-size: 28px; }
            h2 { font-size: 22px; }
            .section-title { font-size: 20px; }
            .hero-section { min-height: auto; padding: 40px 0; }
            .hero-section h1 { font-size: 26px; }
            .kpi-row { grid-template-columns: 1fr 1fr; gap: 12px; }
            .service-matrix-grid { grid-template-columns: 1fr; }
            .steps-container { grid-template-columns: 1fr; }
            .metrics-dark-row { grid-template-columns: 1fr 1fr; gap: 16px; }
            .compare-table th, .compare-table td { padding: 10px 12px; font-size: 13px; }
            .header-top { padding: 10px 12px; }
            .brand-logo .brand-text { font-size: 15px; }
        }

        @media (max-width: 520px) {
            .kpi-row { grid-template-columns: 1fr; }
            .metrics-dark-row { grid-template-columns: 1fr; }
            .hero-cta-group { flex-direction: column; align-items: stretch; }
            .btn-primary-custom, .btn-secondary-custom { justify-content: center; }
            .section-desc { font-size: 14px; }
            .compare-table th, .compare-table td { padding: 8px 10px; font-size: 12px; }
        }

/* roulang page: article */
:root {
            --brand-primary: #1E2A2B;
            --brand-secondary: #A47148;
            --brand-accent: #3E5C50;
            --brand-bg: #F5F1E8;
            --brand-surface: #FFFFFF;
            --brand-text: #1A2223;
            --brand-muted: #6B6F6A;
            --brand-border: #DDD6C9;
            --brand-warn: #B4472D;
            --brand-success: #2E7D5B;
            --radius-card: 10px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 8px rgba(30,42,43,0.06);
            --shadow-md: 0 8px 24px rgba(30,42,43,0.10);
            --shadow-lg: 0 12px 28px rgba(30,42,43,0.14);
            --font-display: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 40px;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--brand-secondary);
            border-bottom: 2px solid var(--brand-secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--section-pad-desktop) 0;
            background-color: var(--brand-bg);
        }
        section.section-surface {
            background-color: var(--brand-surface);
        }
        section.section-dark {
            background-color: var(--brand-primary);
            color: #E8E4DB;
        }
        section.section-dark h2,
        section.section-dark h3 {
            color: #FFF;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-secondary);
            margin-bottom: 12px;
            padding: 4px 12px;
            background-color: rgba(164,113,72,0.1);
            border-radius: 20px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--brand-text);
        }
        .section-desc {
            font-size: 16px;
            color: var(--brand-muted);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-primary);
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .header-top {
            display: flex;
            align-items: center;
            height: 64px;
            gap: 16px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-secondary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 700;
            font-size: 16px;
        }
        .brand-logo .brand-text {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: #FFF;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .brand-logo .brand-text:hover {
            color: var(--brand-secondary);
            border-bottom: none;
        }
        .header-search {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 8px;
            max-width: 480px;
            margin: 0 auto;
        }
        .header-search input {
            flex: 1;
            height: 40px;
            border: 1px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.08);
            color: #FFF;
            border-radius: 6px;
            padding: 0 14px;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .header-search input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .header-search input:focus {
            border-color: var(--brand-secondary);
            background: rgba(255,255,255,0.12);
            outline: none;
        }
        .header-search .btn-search {
            height: 40px;
            padding: 0 18px;
            background: var(--brand-secondary);
            color: #FFF;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .header-search .btn-search:hover {
            background: #8A5A35;
        }
        .header-cta {
            flex-shrink: 0;
            height: 40px;
            padding: 0 20px;
            background: var(--brand-secondary);
            color: #FFF;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            font-size: 14px;
        }
        .header-cta:hover {
            background: #8A5A35;
            color: #FFF;
            border-bottom: none;
        }
        .header-nav {
            background-color: rgba(0,0,0,0.25);
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 8px 24px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .nav-tabs-scroll {
            display: flex;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            white-space: nowrap;
            padding-bottom: 2px;
        }
        .nav-tabs-scroll::-webkit-scrollbar {
            display: none;
        }
        .nav-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            transition: var(--transition-base);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .nav-pill:hover {
            color: #FFF;
            background: rgba(255,255,255,0.12);
            border-bottom: none;
        }
        .nav-pill.active {
            background: var(--brand-primary);
            color: #FFF;
            font-weight: 600;
            border-color: var(--brand-secondary);
        }
        /* ===== Breadcrumb ===== */
        .breadcrumb-custom {
            background: transparent;
            padding: 0;
            margin: 0 0 24px;
            font-size: 14px;
            color: var(--brand-muted);
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-custom li + li::before {
            content: "/";
            color: var(--brand-border);
            margin-right: 6px;
        }
        .breadcrumb-custom a {
            color: var(--brand-primary);
            font-weight: 500;
        }
        .breadcrumb-custom a:hover {
            color: var(--brand-secondary);
            border-bottom: 1px solid var(--brand-secondary);
        }
        .breadcrumb-custom .current {
            color: var(--brand-muted);
            font-weight: 400;
        }
        /* ===== Article Header ===== */
        .article-header-section {
            padding: 40px 0 24px;
            background-color: var(--brand-surface);
            border-bottom: 1px solid var(--brand-border);
        }
        .article-title {
            font-family: var(--font-display);
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--brand-text);
        }
        .article-summary {
            font-size: 17px;
            color: var(--brand-muted);
            line-height: 1.8;
            max-width: 820px;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--brand-muted);
        }
        .article-meta .badge-category {
            background: var(--brand-accent);
            color: #FFF;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            display: inline-block;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        /* ===== Article Body ===== */
        .article-body-section {
            padding: 40px 0;
            background-color: var(--brand-surface);
        }
        .article-body {
            max-width: 820px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.8;
            color: var(--brand-text);
        }
        .article-body h2 {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            margin: 40px 0 16px;
            color: var(--brand-primary);
            line-height: 1.3;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 28px 0 12px;
            color: var(--brand-text);
        }
        .article-body p {
            margin-bottom: 1.2em;
            line-height: 1.8;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.2em;
            padding-left: 1.5em;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--brand-secondary);
            background: rgba(164,113,72,0.06);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            color: var(--brand-muted);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-card);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-body table th {
            background: var(--brand-primary);
            color: #FFF;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--brand-border);
            background: var(--brand-bg);
        }
        .article-body table tr:nth-child(even) td {
            background: var(--brand-surface);
        }
        /* ===== Article Tags ===== */
        .article-tags-section {
            padding: 24px 0;
            background-color: var(--brand-surface);
            border-top: 1px solid var(--brand-border);
        }
        .article-tags {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }
        .article-tags .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-text);
        }
        .article-tags .tag-badge {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(62,92,80,0.1);
            color: var(--brand-accent);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .article-tags .tag-badge:hover {
            background: var(--brand-accent);
            color: #FFF;
        }
        /* ===== Related Posts ===== */
        .related-posts-section {
            padding: 56px 0;
            background-color: var(--brand-bg);
        }
        .related-post-card {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-post-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--brand-secondary);
        }
        .related-post-thumb {
            height: 180px;
            overflow: hidden;
            background-color: var(--brand-border);
        }
        .related-post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .related-post-card:hover .related-post-thumb img {
            transform: scale(1.06);
        }
        .related-post-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-post-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-post-title a {
            color: var(--brand-text);
        }
        .related-post-title a:hover {
            color: var(--brand-secondary);
            border-bottom: 2px solid var(--brand-secondary);
        }
        .related-post-summary {
            font-size: 14px;
            color: var(--brand-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }
        .related-post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--brand-muted);
        }
        /* ===== Latest Posts ===== */
        .latest-posts-section {
            padding: 56px 0;
            background-color: var(--brand-surface);
            border-top: 1px solid var(--brand-border);
            border-bottom: 1px solid var(--brand-border);
        }
        .latest-post-card {
            display: flex;
            gap: 16px;
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            padding: 16px;
            transition: var(--transition-base);
            margin-bottom: 16px;
            align-items: center;
        }
        .latest-post-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-secondary);
            transform: translateY(-2px);
        }
        .latest-post-thumb {
            width: 100px;
            height: 70px;
            flex-shrink: 0;
            border-radius: 8px;
            overflow: hidden;
            background-color: var(--brand-border);
        }
        .latest-post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .latest-post-info {
            flex: 1;
            min-width: 0;
        }
        .latest-post-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .latest-post-title a {
            color: var(--brand-text);
        }
        .latest-post-title a:hover {
            color: var(--brand-secondary);
            border-bottom: 2px solid var(--brand-secondary);
        }
        .latest-post-summary {
            font-size: 13px;
            color: var(--brand-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .latest-post-meta {
            font-size: 12px;
            color: var(--brand-muted);
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }
        /* ===== Article CTA ===== */
        .article-cta-section {
            padding: 56px 0;
            background-color: var(--brand-primary);
            color: #E8E4DB;
            text-align: center;
        }
        .article-cta-section h2 {
            color: #FFF;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .article-cta-section p {
            color: rgba(255,255,255,0.65);
            max-width: 600px;
            margin: 0 auto 24px;
            font-size: 16px;
        }
        .article-cta-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            background: var(--brand-secondary);
            color: #FFF;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: #8A5A35;
            color: #FFF;
            border-bottom: none;
            transform: translateY(-1px);
        }
        .btn-outline-custom {
            background: transparent;
            color: #FFF;
            border: 1px solid rgba(255,255,255,0.4);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            background: rgba(255,255,255,0.1);
            color: #FFF;
            border-color: rgba(255,255,255,0.7);
            border-bottom: 1px solid rgba(255,255,255,0.7);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-primary);
            color: #B8B5AD;
            padding: 56px 0 24px;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            color: #B8B5AD;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: #B8B5AD;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .site-footer ul li a:hover {
            color: var(--brand-secondary);
            border-bottom: 2px solid var(--brand-secondary);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 13px;
            color: #8A8A84;
        }
        .footer-bottom a {
            color: var(--brand-secondary);
        }
        .footer-bottom a:hover {
            color: #FFF;
            border-bottom: 1px solid var(--brand-secondary);
        }
        /* ===== Empty State ===== */
        .empty-state {
            text-align: center;
            padding: 32px;
            background: var(--brand-surface);
            border: 1px dashed var(--brand-border);
            border-radius: var(--radius-card);
            color: var(--brand-muted);
        }
        .empty-state i {
            font-size: 36px;
            color: var(--brand-border);
            margin-bottom: 12px;
        }
        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            section {
                padding: var(--section-pad-mobile) 0;
            }
            .header-top {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 16px;
                gap: 10px;
            }
            .header-search {
                max-width: none;
                order: 3;
                flex-basis: 100%;
                margin-top: 4px;
            }
            .header-cta {
                margin-left: auto;
            }
            .header-nav {
                padding: 6px 16px;
            }
            .article-title {
                font-size: 28px;
            }
            .article-body {
                font-size: 16px;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .latest-post-card {
                flex-wrap: wrap;
            }
            .latest-post-thumb {
                width: 80px;
                height: 56px;
            }
            .latest-post-meta {
                flex-shrink: 1;
            }
        }
        @media (max-width: 575.98px) {
            .brand-logo .brand-text {
                font-size: 15px;
            }
            .header-cta {
                padding: 0 14px;
                font-size: 13px;
            }
            .article-title {
                font-size: 24px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-summary {
                font-size: 15px;
            }
            .article-meta {
                gap: 8px;
                font-size: 13px;
            }
            .related-post-thumb {
                height: 150px;
            }
            .article-cta-section h2 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #1E2A2B;
            --brand-secondary: #A47148;
            --brand-accent: #3E5C50;
            --brand-bg: #F5F1E8;
            --brand-surface: #FFFFFF;
            --brand-text: #1A2223;
            --brand-muted: #6B6F6A;
            --brand-border: #DDD6C9;
            --brand-warn: #B4472D;
            --brand-success: #2E7D5B;
            --radius-card: 10px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 8px rgba(30,42,43,0.06);
            --shadow-md: 0 8px 24px rgba(30,42,43,0.10);
            --shadow-lg: 0 12px 28px rgba(30,42,43,0.14);
            --font-display: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 40px;
            --transition-base: all 0.25s ease;
        }
        * { box-sizing: border-box; }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--brand-secondary);
            border-bottom: 2px solid var(--brand-secondary);
        }
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--section-pad-desktop) 0;
            background-color: var(--brand-bg);
        }
        section.section-surface {
            background-color: var(--brand-surface);
        }
        section.section-dark {
            background-color: var(--brand-primary);
            color: #E8E4DB;
        }
        section.section-dark h2, section.section-dark h3 {
            color: #FFF;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-secondary);
            margin-bottom: 12px;
            padding: 4px 12px;
            background-color: rgba(164,113,72,0.1);
            border-radius: 20px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--brand-text);
        }
        .section-desc {
            font-size: 16px;
            color: var(--brand-muted);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .light-label {
            background-color: rgba(164,113,72,0.2);
            color: #E8A56B;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-primary);
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .header-top {
            display: flex;
            align-items: center;
            height: 64px;
            gap: 16px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-secondary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 700;
            font-size: 16px;
        }
        .brand-logo .brand-text {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: #FFF;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .brand-logo .brand-text:hover {
            color: var(--brand-secondary);
            border-bottom: none;
        }
        .header-search {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 8px;
            max-width: 480px;
            margin: 0 auto;
        }
        .header-search input {
            flex: 1;
            height: 40px;
            border: 1px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.08);
            color: #FFF;
            border-radius: 6px;
            padding: 0 14px;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .header-search input::placeholder { color: rgba(255,255,255,0.5); }
        .header-search input:focus {
            border-color: var(--brand-secondary);
            background: rgba(255,255,255,0.12);
            outline: none;
        }
        .header-search .btn-search {
            height: 40px;
            padding: 0 18px;
            background: var(--brand-secondary);
            color: #FFF;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .header-search .btn-search:hover { background: #8A5A35; }
        .header-cta {
            flex-shrink: 0;
            height: 40px;
            padding: 0 20px;
            background: var(--brand-secondary);
            color: #FFF;
            border-radius: 6px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-base);
        }
        .header-cta:hover {
            background: #8A5A35;
            color: #FFF;
            border-bottom: none;
        }
        .header-nav {
            background-color: #162020;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .nav-tabs-scroll {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            white-space: nowrap;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .nav-tabs-scroll::-webkit-scrollbar { display: none; }
        .nav-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            transition: var(--transition-base);
            border-bottom: 2px solid transparent;
        }
        .nav-pill:hover {
            color: #FFF;
            background: rgba(255,255,255,0.08);
            border-bottom: 2px solid var(--brand-secondary);
        }
        .nav-pill.active {
            background: var(--brand-primary);
            color: #FFF;
            border-bottom: 2px solid var(--brand-secondary);
            font-weight: 600;
        }

        /* Buttons */
        .btn-primary-brand, .btn-secondary-brand, .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            transition: var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary-brand {
            background: var(--brand-primary);
            color: #FFF;
        }
        .btn-primary-brand:hover {
            background: var(--brand-secondary);
            color: #FFF;
            border-bottom: none;
        }
        .btn-secondary-brand {
            background: var(--brand-secondary);
            color: #FFF;
        }
        .btn-secondary-brand:hover {
            background: #8A5A35;
            color: #FFF;
            border-bottom: none;
        }
        .btn-outline-brand {
            border: 1px solid var(--brand-primary);
            color: var(--brand-primary);
            background: transparent;
        }
        .btn-outline-brand:hover {
            background: var(--brand-accent);
            color: #FFF;
            border-color: var(--brand-accent);
            border-bottom: none;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
        }

        /* Category Hero */
        .category-hero {
            background: var(--brand-primary);
            color: #E8E4DB;
            padding: 48px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .category-hero .section-label {
            background: rgba(164,113,72,0.15);
            color: #E8A56B;
        }
        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 34px;
            font-weight: 700;
            color: #FFF;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .category-hero p {
            color: rgba(232,228,219,0.85);
            max-width: 640px;
            margin-bottom: 24px;
        }
        .category-hero-img {
            border-radius: 10px;
            border: 1px solid rgba(255,255,255,0.15);
            box-shadow: var(--shadow-md);
        }
        .breadcrumb-cat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(232,228,219,0.6);
            margin-bottom: 18px;
        }
        .breadcrumb-cat a {
            color: #E8A56B;
        }
        .breadcrumb-cat a:hover {
            color: #FFF;
            border-bottom: none;
        }

        /* Feature list */
        .feature-list {
            list-style: none;
            padding-left: 0;
            margin-top: 20px;
        }
        .feature-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 10px;
            color: var(--brand-muted);
        }
        .feature-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--brand-success);
        }
        .img-fluid {
            border-radius: 10px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--shadow-sm);
        }

        /* Content cards */
        .category-list-section .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .content-card {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--brand-accent);
        }
        .content-card .card-img-link {
            display: block;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #EAE6DA;
        }
        .content-card .card-img-link img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .content-card:hover .card-img-link img {
            transform: scale(1.05);
        }
        .content-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .badge-cat {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(62,92,80,0.1);
            color: var(--brand-accent);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .card-time {
            font-size: 13px;
            color: var(--brand-muted);
        }
        .content-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .content-card h3 a {
            color: var(--brand-text);
        }
        .content-card h3 a:hover {
            color: var(--brand-secondary);
            border-bottom: none;
        }
        .content-card p {
            font-size: 14px;
            color: var(--brand-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .empty-state {
            padding: 32px 20px;
            text-align: center;
            color: var(--brand-muted);
            background: var(--brand-surface);
            border: 1px dashed var(--brand-border);
            border-radius: var(--radius-card);
        }

        /* Topic pills */
        .topic-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }
        .topic-pill {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: 24px;
            color: var(--brand-primary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .topic-pill:hover {
            border-color: var(--brand-secondary);
            color: var(--brand-secondary);
            background: #FFF;
            border-bottom: 2px solid var(--brand-secondary);
        }

        /* Metrics */
        .metrics-section {
            background: var(--brand-primary);
            color: #E8E4DB;
        }
        .metrics-section h2 {
            color: #FFF;
            margin-bottom: 32px;
        }
        .metric-value {
            font-size: 32px;
            font-weight: 700;
            color: #E8A56B;
            line-height: 1.2;
        }
        .metric-label {
            font-size: 14px;
            color: rgba(232,228,219,0.7);
            margin-top: 6px;
        }

        /* Accordion */
        .custom-accordion .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: 8px;
            margin-bottom: 12px;
            background: var(--brand-surface);
            overflow: hidden;
        }
        .custom-accordion .accordion-button {
            background: #FFF;
            color: var(--brand-text);
            font-weight: 600;
            font-size: 16px;
            padding: 16px 20px;
            box-shadow: none;
        }
        .custom-accordion .accordion-button:not(.collapsed) {
            background: #F8F5EF;
            color: var(--brand-primary);
            border-left: 3px solid var(--brand-secondary);
            box-shadow: none;
        }
        .custom-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-accent);
        }
        .custom-accordion .accordion-body {
            padding: 16px 20px;
            color: var(--brand-muted);
            line-height: 1.8;
            background: #FFF;
        }

        /* Timeline */
        .category-timeline-section {
            background: var(--brand-bg);
        }
        .timeline {
            position: relative;
            padding-left: 28px;
            margin-top: 20px;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--brand-border);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 24px;
        }
        .timeline-dot {
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-secondary);
            border: 3px solid var(--brand-bg);
            box-shadow: 0 0 0 2px var(--brand-secondary);
        }
        .timeline-content {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: 8px;
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
        }
        .timeline-date {
            font-size: 13px;
            color: var(--brand-muted);
            display: block;
            margin-bottom: 6px;
        }
        .timeline-content h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .timeline-content h3 a {
            color: var(--brand-text);
        }
        .timeline-content h3 a:hover {
            color: var(--brand-secondary);
            border-bottom: none;
        }
        .timeline-content p {
            font-size: 14px;
            color: var(--brand-muted);
            margin-bottom: 0;
        }

        /* Final CTA */
        .final-cta {
            background: var(--brand-primary);
            color: #E8E4DB;
            padding: 56px 0;
            text-align: center;
        }
        .final-cta h2 {
            color: #FFF;
            font-family: var(--font-display);
            font-size: 28px;
            margin-bottom: 12px;
        }
        .final-cta p {
            color: rgba(232,228,219,0.8);
            max-width: 520px;
            margin: 0 auto 24px;
        }

        /* Footer */
        .site-footer {
            background: #162020;
            color: #C9CCC8;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(201,204,200,0.7);
            max-width: 320px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #E8A56B;
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(201,204,200,0.8);
            font-size: 14px;
            transition: var(--transition-base);
        }
        .site-footer ul li a:hover {
            color: var(--brand-secondary);
            border-bottom: 1px solid var(--brand-secondary);
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 13px;
            color: rgba(201,204,200,0.55);
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 991px) {
            section { padding: var(--section-pad-mobile) 0; }
            .header-top {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 16px;
                gap: 10px;
            }
            .brand-logo .brand-text { font-size: 16px; }
            .header-search { order: 3; flex: 1 1 100%; max-width: 100%; margin-top: 4px; }
            .header-cta { margin-left: auto; }
            .nav-tabs-scroll { padding: 0 16px; }
            .category-hero { padding: 36px 0; }
            .category-hero h1 { font-size: 26px; }
            .section-title { font-size: 24px; }
            .metric-value { font-size: 26px; }
            .btn-primary-brand, .btn-secondary-brand, .btn-outline-brand { padding: 9px 18px; font-size: 14px; }
        }
        @media (max-width: 576px) {
            .header-top { padding: 10px 12px; }
            .brand-logo .brand-text { font-size: 15px; }
            .header-cta { padding: 0 14px; font-size: 13px; }
            .nav-pill { padding: 7px 11px; font-size: 13px; }
            .category-hero h1 { font-size: 22px; }
            .section-title { font-size: 22px; }
            .content-card h3 { font-size: 16px; }
            .metric-value { font-size: 22px; }
            .final-cta h2 { font-size: 24px; }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}