/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0E4D47;
            --primary-dark: #0A3B36;
            --primary-light: #1E6B63;
            --accent: #B8905A;
            --accent-dark: #9E7A48;
            --accent-light: #D4B88C;
            --bg: #FAF8F5;
            --bg-dark: #14211F;
            --bg-card: #FFFFFF;
            --text: #232B29;
            --text-secondary: #5F6B68;
            --text-light: #8A9491;
            --border: #EDE8E0;
            --teal-light: #D8E6E3;
            --gold-light: #F0E9DF;
            --white: #FFFFFF;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 6px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(20, 33, 31, 0.06);
            --shadow-lg: 0 8px 24px rgba(20, 33, 31, 0.12);
            --transition: 0.25s ease;
            --container: 1200px;
            --header-height: 72px;
            --space-section: 80px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--primary-light);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(184, 144, 90, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(184, 144, 90, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(14, 77, 71, 0.08);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-accent-outline {
            background: transparent;
            color: var(--white);
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-accent-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--white);
            border-color: var(--white);
        }

        .btn-dark {
            background: var(--bg-dark);
            color: var(--white);
        }
        .btn-dark:hover {
            background: #1E302C;
            color: var(--white);
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn:active {
            transform: scale(0.98);
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            background: rgba(14, 77, 71, 0.1);
            color: var(--primary);
        }

        .badge-light {
            background: rgba(255, 255, 255, 0.18);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .badge-gold {
            background: rgba(184, 144, 90, 0.15);
            color: var(--accent-dark);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 100;
            padding: 0 24px;
            margin-top: 12px;
        }

        .nav-wrap {
            max-width: var(--container);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            height: var(--header-height);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            border-radius: 12px;
            color: var(--white);
            font-size: 18px;
            font-weight: 700;
            position: relative;
        }
        .nav-logo-icon::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 22px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            top: 7px;
            left: 7px;
            opacity: 0.6;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .nav-tab:hover {
            color: var(--primary);
            background: rgba(14, 77, 71, 0.05);
        }
        .nav-tab.active {
            background: var(--primary);
            color: var(--white);
            font-weight: 600;
            box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-cta .btn {
            padding: 8px 22px;
            font-size: 14px;
        }

        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--white);
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        @media (max-width: 1023px) {
            .nav-tabs {
                position: absolute;
                top: calc(var(--header-height) - 6px);
                left: 24px;
                right: 24px;
                background: var(--white);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                display: none;
                max-height: calc(100vh - 100px);
                overflow-y: auto;
            }
            .nav-tabs.open {
                display: flex;
            }
            .nav-tab {
                width: 100%;
                justify-content: center;
            }
            .nav-mobile-toggle {
                display: flex;
            }
            .nav-cta .btn span {
                display: none;
            }
            .nav-cta .btn {
                width: 40px;
                padding: 0;
                font-size: 18px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #0E4D47 0%, #0A3B36 60%, #081F1B 100%);
            color: var(--white);
            padding: 96px 0 88px;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            right: 160px;
            width: 220px;
            height: 220px;
            border: 2px solid rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .hero-bg-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            border-radius: 0 0 0 40px;
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .hero-content {
            flex: 1;
            max-width: 620px;
        }

        .hero-badges {
            display: flex;
            gap: 10px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 36px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-meta {
            margin-top: 40px;
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .hero-meta-item i {
            color: var(--accent-light);
        }

        .hero-visual {
            flex: 0 0 420px;
            height: 280px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }
        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 20px;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 59, 54, 0.5));
        }

        @media (max-width: 1023px) {
            .hero .container {
                flex-direction: column;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-visual {
                width: 100%;
                flex: none;
                height: 220px;
            }
            .hero {
                padding: 64px 0 56px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-meta {
                gap: 16px;
            }
        }

        /* ===== Stats Section ===== */
        .stats-section {
            padding: 60px 0;
            background: var(--bg);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
        }

        /* ===== Catalog Chips ===== */
        .catalog-section {
            padding: var(--space-section) 0;
            background: var(--bg-card);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 30px;
            color: var(--text);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: "";
            display: block;
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 12px auto 0;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 12px auto 0;
        }

        .chip-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: var(--bg);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
        }
        .chip i {
            font-size: 16px;
            color: var(--accent);
            transition: color var(--transition);
        }
        .chip:hover {
            border-color: var(--primary);
            background: rgba(14, 77, 71, 0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .chip.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }
        .chip.active i {
            color: var(--accent-light);
        }

        @media (max-width: 768px) {
            .chip-container {
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                padding-bottom: 12px;
            }
            .chip {
                flex-shrink: 0;
            }
        }

        /* ===== News Cards ===== */
        .news-section {
            padding: var(--space-section) 0;
            background: var(--bg);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--teal-light);
        }
        .news-card-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--teal-light);
        }
        .news-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-card-category {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-card-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .news-card:hover .news-card-title {
            color: var(--primary);
        }
        .news-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            margin-top: 8px;
        }
        .news-card-date {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }
        .news-card-link:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .empty-state {
            grid-column: 1 / -1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 80px 20px;
            gap: 16px;
            color: var(--text-secondary);
        }
        .empty-state-icon {
            width: 96px;
            height: 96px;
            border-radius: 50%;
            border: 2px dashed var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--text-light);
        }
        .empty-state p {
            font-size: 15px;
        }

        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 24px;
            }
        }

        /* ===== Featured Section ===== */
        .featured-section {
            padding: var(--space-section) 0;
            background: var(--bg-dark);
            color: var(--white);
        }
        .featured-section .section-header h2 {
            color: var(--white);
        }
        .featured-section .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .featured-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }
        .featured-card:hover {
            border-color: rgba(184, 144, 90, 0.5);
            transform: translateY(-6px);
            background: rgba(255, 255, 255, 0.06);
        }
        .featured-card-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .featured-card-body {
            padding: 24px;
        }
        .featured-card-title {
            font-size: 20px;
            color: var(--white);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .featured-card-summary {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.62);
            line-height: 1.7;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-light);
            font-size: 14px;
            font-weight: 600;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            width: 100%;
            transition: all var(--transition);
        }
        .featured-card-link:hover {
            color: var(--accent);
            gap: 12px;
        }

        @media (max-width: 1023px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Recommend Section ===== */
        .recommend-section {
            padding: var(--space-section) 0;
            background: var(--bg);
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .recommend-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--teal-light);
        }
        .recommend-card-image {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-md);
            object-fit: cover;
            background: var(--teal-light);
            flex-shrink: 0;
        }
        .recommend-card-body {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .recommend-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .recommend-card-date {
            font-size: 13px;
            color: var(--text-light);
        }

        @media (max-width: 1023px) {
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .recommend-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Advantage Section ===== */
        .advantage-section {
            padding: var(--space-section) 0;
            background: var(--white);
        }
        .advantage-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .advantage-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .advantage-image img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }
        .advantage-content h2 {
            font-size: 30px;
            margin-bottom: 20px;
            color: var(--text);
        }
        .advantage-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .advantage-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .advantage-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .advantage-item-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(14, 77, 71, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
        }
        .advantage-item-text h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text);
        }
        .advantage-item-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 1023px) {
            .advantage-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .advantage-content h2 {
                font-size: 26px;
            }
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: var(--space-section) 0;
            background: var(--bg);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: border-color var(--transition);
        }
        .faq-item.open {
            border-color: rgba(14, 77, 71, 0.4);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
        }
        .faq-q-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-q-text {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            flex: 1;
        }
        .faq-toggle {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-secondary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            padding-top: 16px;
            margin-top: 16px;
            border-top: 1px solid var(--border);
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: var(--space-section) 0;
            background: var(--bg-dark);
            color: var(--white);
            text-align: center;
        }
        .cta-box {
            max-width: 720px;
            margin: 0 auto;
            padding: 56px 48px;
            background: linear-gradient(135deg, #1E4A43 0%, #14211F 100%);
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .cta-box h2 {
            font-size: 30px;
            color: var(--white);
            margin-bottom: 16px;
        }
        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-copy {
            margin-top: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: color var(--transition);
        }
        .cta-copy:hover {
            color: var(--accent-light);
        }

        @media (max-width: 768px) {
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0D1816;
            color: rgba(255, 255, 255, 0.65);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .nav-logo-text {
            color: var(--white);
            font-size: 22px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 16px;
            color: var(--white);
            margin-bottom: 20px;
            font-weight: 600;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-contact {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 2;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
        }

        /* ===== Icon Placeholder ===== */
        .icon-ph {
            font-style: normal;
            font-weight: 400;
        }

/* roulang page: category1 */
:root {
            --primary: #0E4D47;
            --primary-dark: #0A3B36;
            --accent: #B8905A;
            --accent-dark: #A07A45;
            --bg: #FAF8F5;
            --dark: #14211F;
            --text: #232B29;
            --text-light: #5F6B68;
            --border: #EDE8E0;
            --teal-light: #D8E6E3;
            --gold-light: #F0E9DF;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(20, 33, 31, 0.06);
            --shadow-hover: 0 8px 24px rgba(20, 33, 31, 0.12);
            --container: 1200px;
            --space-section: 80px;
            --space-section-mobile: 48px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 110px;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-display {
            display: block;
        }
        @media (max-width: 767px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background .25s ease, box-shadow .25s ease, transform .2s ease, border-color .25s ease;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(184, 144, 90, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.75);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }
        .btn-outline-primary {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background: rgba(14, 77, 71, 0.08);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #F5F1EC;
            padding: 12px 0;
            margin-bottom: 20px;
        }
        .nav-wrap {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(20, 33, 31, 0.04);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            border: 2px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
            transition: background .25s ease;
        }
        .nav-logo:hover .logo-mark {
            background: rgba(14, 77, 71, 0.08);
        }
        .nav-logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .3px;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex: 1;
            padding: 0 12px;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid transparent;
            background: transparent;
            transition: background .25s ease, color .25s ease, box-shadow .25s ease;
            white-space: nowrap;
        }
        .nav-tab:hover {
            background: rgba(14, 77, 71, 0.08);
            color: var(--primary);
        }
        .nav-tab.active {
            background: var(--primary);
            color: #fff;
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.16);
        }
        .nav-cta {
            flex-shrink: 0;
            padding: 10px 22px;
        }
        .nav-cta i {
            display: none;
        }
        @media (max-width: 1023px) {
            .nav-tab {
                padding: 0 14px;
            }
            .nav-logo-text {
                font-size: 17px;
            }
        }
        @media (max-width: 767px) {
            .site-header {
                padding: 8px 0;
                margin-bottom: 12px;
            }
            .nav-wrap {
                height: 60px;
                padding: 0 12px;
            }
            .nav-logo {
                gap: 8px;
                flex-shrink: 0;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .nav-logo-text {
                font-size: 16px;
            }
            .nav-tabs {
                justify-content: flex-start;
                overflow-x: auto;
                scrollbar-width: none;
                gap: 6px;
                padding: 0 8px;
            }
            .nav-tabs::-webkit-scrollbar {
                display: none;
            }
            .nav-tab {
                padding: 0 13px;
                font-size: 13px;
                height: 36px;
            }
            .nav-cta {
                width: 38px;
                height: 38px;
                padding: 0;
                flex-shrink: 0;
            }
            .nav-cta i {
                display: inline-block;
                font-size: 15px;
            }
            .nav-cta span {
                display: none;
            }
        }

        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(14, 77, 71, 0.94) 0%, rgba(10, 59, 54, 0.88) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 88px 0 72px;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            letter-spacing: .4px;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-copy p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 580px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .hero-meta span::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
        }
        .hero-visual {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.28);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
        }
        .hero-ring {
            position: absolute;
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-ring.r1 {
            width: 300px;
            height: 300px;
            top: -90px;
            right: 8%;
        }
        .hero-ring.r2 {
            width: 160px;
            height: 160px;
            bottom: -50px;
            right: 24%;
        }
        @media (max-width: 1023px) {
            .hero {
                padding: 64px 0 56px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-copy p {
                font-size: 16px;
            }
        }
        @media (max-width: 767px) {
            .hero {
                padding: 48px 0 44px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual img {
                min-height: 180px;
                object-fit: cover;
                max-height: 260px;
                width: 100%;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-copy p {
                font-size: 15px;
            }
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            background: var(--teal-light);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-head h2::before {
            content: "";
            display: inline-block;
            width: 4px;
            height: 24px;
            background: var(--accent);
            border-radius: 2px;
            margin-right: 10px;
            vertical-align: -3px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
        }
        @media (max-width: 767px) {
            .section-head h2 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 14px;
            }
        }

        .overview-copy {
            max-width: 900px;
            margin-bottom: 40px;
        }
        .overview-copy p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
        }
        .overview-copy .highlight {
            color: var(--primary);
            font-weight: 600;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .stat-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }
        .stat-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 1023px) {
            .stats-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: transform .25s ease, box-shadow .25s ease;
            position: relative;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .topic-icon {
            width: 48px;
            height: 48px;
            background: var(--teal-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
            transition: background .25s ease, color .25s ease;
        }
        .topic-card:hover .topic-icon {
            background: var(--primary);
            color: #fff;
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }
        .topic-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media (max-width: 1023px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        .split-story {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .story-media img {
            border-radius: 16px;
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
            border: 1px solid var(--border);
        }
        .story-copy h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text);
        }
        .story-copy > p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .check-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 14px;
            font-size: 15px;
            line-height: 1.65;
            color: var(--text);
        }
        .check-list li i {
            color: var(--accent);
            margin-top: 3px;
            flex-shrink: 0;
        }
        @media (max-width: 1023px) {
            .split-story {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 28px;
            }
        }
        @media (max-width: 767px) {
            .split-story {
                padding: 20px;
            }
            .story-copy h2 {
                font-size: 22px;
            }
        }

        .journey {
            background: #14211F url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 22 22"><circle cx="1" cy="1" r="1" fill="rgba(255,255,255,0.05)"/></svg>');
            background-size: 22px 22px;
            color: #fff;
        }
        .journey .section-head h2 {
            color: #fff;
        }
        .journey .section-head p {
            color: rgba(255, 255, 255, 0.65);
        }
        .journey .section-head h2::before {
            background: var(--accent);
        }
        .journey-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .journey-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            transition: background .25s ease, border-color .25s ease, transform .25s ease;
        }
        .journey-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
        }
        .journey-step {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 6px;
            display: inline-block;
            background: rgba(184, 144, 90, 0.15);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .journey-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 14px;
            color: #fff;
        }
        .journey-card p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.66);
        }
        @media (max-width: 1023px) {
            .journey-grid {
                grid-template-columns: 1fr;
                max-width: 560px;
                margin: 0 auto;
            }
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .showcase-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .25s ease, transform .25s ease;
            display: flex;
            flex-direction: column;
        }
        .showcase-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .showcase-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .showcase-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .showcase-card:hover .showcase-cover img {
            transform: scale(1.04);
        }
        .showcase-badge {
            position: absolute;
            left: 14px;
            bottom: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .showcase-body {
            padding: 22px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .showcase-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .showcase-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            flex: 1;
        }
        @media (max-width: 1023px) {
            .showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .showcase-grid {
                grid-template-columns: 1fr;
            }
        }

        .faq-grid {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: box-shadow .25s ease;
        }
        .faq-item details {
            display: block;
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 22px 20px;
            cursor: pointer;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-q {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-question {
            flex: 1;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform .25s ease, background .25s ease;
        }
        .faq-item details[open] .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            margin-left: 66px;
            margin-right: 20px;
            padding-right: 8px;
        }
        .faq-item details[open] .faq-answer {
            max-height: 600px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }
        @media (max-width: 767px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 14px;
            }
            .faq-answer {
                margin-left: 52px;
                margin-right: 16px;
            }
        }

        .cta-panel {
            background: var(--dark);
            text-align: center;
            padding: 80px 0;
            color: #fff;
        }
        .cta-box {
            max-width: 760px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        @media (max-width: 767px) {
            .cta-panel {
                padding: 48px 0;
            }
            .cta-box h2 {
                font-size: 23px;
            }
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand .nav-logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color .25s ease, padding-left .25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: auto;
            }
        }

/* roulang page: article */
:root {
    --primary: #0E4D47;
    --primary-dark: #0A3B36;
    --primary-soft: rgba(14, 77, 71, 0.08);
    --accent: #B8905A;
    --accent-dark: #9C7747;
    --bg: #FAF8F5;
    --deep: #14211F;
    --deep-soft: #1E2D2A;
    --text: #232B29;
    --text-weak: #5F6B68;
    --border: #EDE8E0;
    --teal-light: #D8E6E3;
    --gold-light: #F0E9DF;
    --white: #FFFFFF;
    --radius: 16px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow: 0 2px 8px rgba(20, 33, 31, 0.06);
    --shadow-hover: 0 8px 24px rgba(20, 33, 31, 0.12);
    --transition: 0.25s ease;
    --container: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button,
input {
    font: inherit;
    border: none;
    background: none;
}

::selection {
    background: rgba(14, 77, 71, 0.15);
    color: var(--primary);
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

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

.container-tight {
    max-width: 720px;
}

.container-narrow {
    max-width: 960px;
}

.site-header {
    padding: 24px 0 8px;
    background: var(--bg);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: var(--shadow);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.25);
}

.nav-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}

.nav-tabs {
    display: flex;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.nav-tab {
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
}

.nav-tab:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
}

.nav-tab.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.12);
}

.nav-cta {
    background: var(--accent);
    color: var(--white);
    padding: 10px 24px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
    flex-shrink: 0;
}

.nav-cta:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.breadcrumb {
    padding: 24px 0 0;
    font-size: 14px;
    color: var(--text-weak);
}

.breadcrumb a {
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-sep {
    margin: 0 8px;
    color: #AAB4B1;
}

.breadcrumb-current {
    display: inline-block;
    max-width: 480px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: bottom;
    color: var(--text);
}

.article-header {
    padding: 32px 0 24px;
}

.article-header-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 4px);
    padding: 40px 44px;
    box-shadow: var(--shadow);
}

.article-cat {
    display: inline-block;
    background: var(--primary-soft);
    color: var(--primary);
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.article-title {
    font-size: 36px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--text-weak);
    font-size: 14px;
    flex-wrap: wrap;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-cover {
    padding: 8px 0 8px;
}

.article-cover img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-hover);
}

.article-content {
    padding: 40px 0 16px;
}

.article-body {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text);
}

.article-body p {
    margin-bottom: 1.5em;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    margin: 1.6em 0 0.8em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin: 1.4em 0 0.6em;
}

.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(14, 77, 71, 0.35);
    transition: color 0.2s ease;
}

.article-body a:hover {
    color: var(--primary-dark);
    text-decoration-color: var(--primary);
}

.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--teal-light);
    padding: 18px 22px;
    margin: 1.5em 0;
    border-radius: 0 12px 12px 0;
    color: var(--text);
    font-size: 16px;
}

.article-body img {
    border-radius: 12px;
    border: 1px solid var(--border);
    margin: 1.5em 0;
}

.article-body ul,
.article-body ol {
    margin: 1em 0 1.5em 1.5em;
}

.article-body li {
    margin-bottom: 0.5em;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 15px;
}

.article-body th {
    background: rgba(14, 77, 71, 0.06);
    text-align: left;
    font-weight: 600;
}

.article-body th,
.article-body td {
    border: 1px solid var(--border);
    padding: 12px 14px;
}

.article-body pre {
    background: var(--deep);
    color: #EDEDED;
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1.5em 0;
    font-size: 14px;
    line-height: 1.6;
}

.article-body code {
    background: var(--primary-soft);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--primary-dark);
}

.article-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.article-empty {
    text-align: center;
    padding: 60px 24px;
    background: var(--white);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    margin: 24px 0;
}

.empty-icon {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-weak);
    margin: 0 auto 20px;
}

.article-empty p {
    font-size: 16px;
    color: var(--text-weak);
    margin-bottom: 18px;
}

.article-footer {
    padding: 24px 0 48px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.tag-badge {
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--gold-light);
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(184, 144, 90, 0.25);
}

.article-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-link-btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    background: transparent;
}

.article-link-btn:hover {
    background: var(--primary-soft);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
    transform: translateY(-1px);
}

.article-related {
    background: var(--gold-light);
    padding: 56px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 28px;
    position: relative;
    padding-left: 14px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    background: var(--primary);
    border-radius: 2px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    transition: var(--transition);
}

.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: rgba(14, 77, 71, 0.3);
}

.related-thumb {
    width: 72px;
    height: 72px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.related-info {
    min-width: 0;
}

.related-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.45;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
    margin-bottom: 6px;
}

.related-card:hover .related-title {
    color: var(--primary);
}

.related-date {
    font-size: 13px;
    color: var(--text-weak);
}

.article-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
    text-align: center;
}

.article-cta h2 {
    color: var(--white);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.article-cta p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
    margin-bottom: 28px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-row {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 13px 30px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid transparent;
}

.cta-button:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.cta-button-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.7);
    color: var(--white);
}

.cta-button-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--white);
    color: var(--white);
}

.site-footer {
    background: var(--deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 56px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .nav-logo-text {
    color: var(--white);
    font-size: 20px;
}

.footer-brand p {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 6px;
}

.footer-bottom {
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 1024px) {
    .article-header-card {
        padding: 32px 28px;
    }

    .article-title {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .container-tight,
    .container-narrow {
        max-width: 100%;
        padding: 0 20px;
    }

    .site-header {
        padding-top: 16px;
    }

    .nav-wrap {
        flex-wrap: wrap;
        gap: 12px;
        border-radius: 14px;
        padding: 12px;
    }

    .nav-logo-text {
        font-size: 17px;
    }

    .nav-tabs {
        order: 3;
        flex-basis: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
        padding: 4px 0 2px;
        scrollbar-width: none;
    }

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

    .nav-tab {
        padding: 8px 16px;
        font-size: 13px;
        flex-shrink: 0;
    }

    .nav-cta {
        padding: 8px 18px;
        font-size: 13px;
    }

    .breadcrumb {
        padding-top: 16px;
        font-size: 13px;
    }

    .breadcrumb-current {
        max-width: 200px;
    }

    .article-header {
        padding: 24px 0 16px;
    }

    .article-header-card {
        padding: 28px 22px;
        border-radius: 14px;
    }

    .article-cat {
        font-size: 11px;
        padding: 3px 10px;
    }

    .article-title {
        font-size: 26px;
        line-height: 1.35;
    }

    .article-meta {
        gap: 14px;
        font-size: 13px;
    }

    .article-cover {
        padding: 0;
    }

    .article-cover img {
        border-radius: 14px;
        aspect-ratio: 16 / 9;
    }

    .article-content {
        padding: 28px 0 8px;
    }

    .article-body {
        font-size: 16px;
    }

    .article-body h2 {
        font-size: 22px;
    }

    .article-body h3 {
        font-size: 18px;
    }

    .article-body blockquote {
        padding: 14px 16px;
        font-size: 15px;
    }

    .article-footer {
        padding: 16px 0 36px;
    }

    .article-tags {
        margin-bottom: 20px;
    }

    .article-links {
        flex-direction: column;
        gap: 12px;
    }

    .article-link-btn {
        text-align: center;
        width: 100%;
    }

    .article-related {
        padding: 40px 0;
    }

    .section-title {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .related-card {
        padding: 14px;
    }

    .related-title {
        font-size: 14px;
    }

    .article-cta {
        padding: 44px 0;
    }

    .article-cta h2 {
        font-size: 22px;
    }

    .article-cta p {
        font-size: 14px;
    }

    .cta-row {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .cta-button {
        min-width: 200px;
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 520px) {
    .nav-logo-icon {
        width: 34px;
        height: 34px;
    }

    .nav-logo-text {
        font-size: 16px;
    }

    .nav-cta {
        display: none;
    }

    .article-header-card {
        padding: 22px 16px;
    }

    .article-title {
        font-size: 23px;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .breadcrumb-current {
        max-width: 140px;
    }

    .related-thumb {
        width: 64px;
        height: 64px;
    }
}

/* roulang page: category2 */
:root {
            --primary: #0E4D47;
            --primary-dark: #0A3B36;
            --accent: #B8905A;
            --accent-dark: #9a7748;
            --bg: #FAF8F5;
            --dark: #14211F;
            --text: #232B29;
            --text-light: #5F6B68;
            --border: #EDE8E0;
            --green-tint: #D8E6E3;
            --gold-tint: #F0E9DF;
            --white: #FFFFFF;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(20, 33, 31, .06);
            --shadow-hover: 0 8px 24px rgba(20, 33, 31, .12);
            --transition: .25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-sm);
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: var(--bg);
            padding: 16px 0 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 72px;
            padding: 8px 16px 8px 20px;
            flex-wrap: wrap;
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border: 2px solid var(--primary);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
            background: var(--bg);
        }
        .nav-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .5px;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-tab {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            background: var(--white);
            transition: all var(--transition);
        }
        .nav-tab:hover {
            background: rgba(14, 77, 71, .06);
            border-color: var(--green-tint);
        }
        .nav-tab.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            box-shadow: inset 0 1px 3px rgba(0, 0, 0, .2);
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--white);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 999px;
            transition: all var(--transition);
            border: 1px solid transparent;
            flex-shrink: 0;
        }
        .btn-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }
        .btn-cta:focus-visible,
        .nav-tab:focus-visible,
        .btn-primary:focus-visible,
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            border-radius: 999px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, .72);
            border-radius: 999px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: var(--white);
        }
        .btn-outline.dark {
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline.dark:hover {
            background: rgba(14, 77, 71, .08);
        }
        .breadcrumb {
            max-width: 1200px;
            margin: 24px auto 0;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 72%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            position: relative;
            overflow: hidden;
            border-radius: 24px;
            max-width: 1200px;
            margin: 20px auto 0;
            padding: 72px 48px;
            color: var(--white);
            min-height: 340px;
            display: flex;
            align-items: center;
            box-shadow: 0 8px 32px rgba(14, 77, 71, .2);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -20px;
            width: 200px;
            height: 200px;
            border: 1.5px solid rgba(255, 255, 255, .18);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -90px;
            right: 80px;
            width: 180px;
            height: 180px;
            border: 1.5px solid rgba(255, 255, 255, .1);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            max-width: 680px;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, .9);
            padding: 4px 12px;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 18px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .86);
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .page-intro {
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 24px 0;
        }
        .intro-box {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 860px;
        }
        .section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 56px 24px;
        }
        .section-head {
            margin-bottom: 32px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
        }
        .section-tag {
            display: inline-block;
            background: var(--green-tint);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            padding: 5px 14px;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }
        .section-title.with-mark {
            padding-left: 16px;
            border-left: 4px solid var(--accent);
        }
        .section-sub {
            color: var(--text-light);
            font-size: 15px;
            max-width: 680px;
            line-height: 1.7;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: var(--green-tint);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(14, 77, 71, .08);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }
        .feature-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-light);
        }
        .process-section {
            background: var(--dark);
            border-radius: 24px;
            padding: 56px 48px;
            color: var(--white);
        }
        .process-section .section-title {
            color: var(--white);
        }
        .process-section .section-sub {
            color: rgba(255, 255, 255, .72);
        }
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        .process-item {
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius-card);
            padding: 24px;
            background: rgba(255, 255, 255, .04);
            transition: all var(--transition);
        }
        .process-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }
        .process-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 10px;
            display: block;
        }
        .process-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, .68);
            line-height: 1.65;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gold-tint);
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .scenario-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .entry-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .entry-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .entry-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .entry-card:hover .entry-cover img {
            transform: scale(1.04);
        }
        .entry-body {
            padding: 20px 22px 24px;
        }
        .entry-tag {
            display: inline-block;
            background: rgba(14, 77, 71, .08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 12px;
        }
        .entry-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
        }
        .entry-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .entry-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-light);
        }
        .entry-meta a {
            color: var(--primary);
            font-weight: 600;
        }
        .faq-section {
            background: var(--white);
            border-radius: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            padding: 24px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 14px;
            background: var(--bg);
            padding: 20px 22px;
            transition: border-color var(--transition), background var(--transition);
        }
        .faq-item.open {
            border-color: rgba(14, 77, 71, .4);
            background: var(--white);
        }
        .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            user-select: none;
        }
        .faq-q-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-q-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            flex: 1;
        }
        .faq-toggle {
            color: var(--text-light);
            font-size: 18px;
            transition: transform .3s ease;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-light);
        }
        .faq-item.open .faq-a {
            max-height: 320px;
            padding-top: 14px;
            padding-left: 44px;
        }
        .cta-bar {
            background: var(--green-tint);
            border-radius: 24px;
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .cta-text p {
            font-size: 15px;
            color: var(--text-light);
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .72);
            padding: 56px 0 22px;
            margin-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
        }
        .footer-brand .nav-logo-text {
            color: var(--white);
            font-size: 22px;
        }
        .footer-brand p {
            margin-top: 14px;
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 8px;
        }
        .footer-bottom {
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .48);
        }
        @media (max-width: 1024px) {
            .feature-grid,
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero {
                padding: 56px 36px;
                min-height: 300px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                min-height: 60px;
                flex-wrap: nowrap;
                overflow-x: auto;
                padding: 8px 12px;
            }
            .nav-logo-text {
                font-size: 16px;
            }
            .nav-tabs {
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                order: 3;
                width: 100%;
                padding-bottom: 4px;
                gap: 6px;
            }
            .nav-tab {
                white-space: nowrap;
                padding: 7px 14px;
                font-size: 13px;
            }
            .btn-cta span {
                display: none;
            }
            .btn-cta {
                padding: 10px 14px;
            }
            .hero {
                padding: 44px 24px;
                border-radius: 18px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: 40px 20px;
            }
            .section-title {
                font-size: 24px;
            }
            .feature-grid,
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .process-list {
                grid-template-columns: 1fr;
            }
            .process-section {
                padding: 40px 24px;
                border-radius: 18px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
                padding: 16px;
            }
            .cta-bar {
                padding: 28px 24px;
                border-radius: 18px;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .breadcrumb {
                padding: 0 20px;
            }
            .page-intro {
                padding: 32px 20px 0;
            }
            .intro-box {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 8px 10px;
                gap: 10px;
            }
            .nav-logo {
                gap: 8px;
            }
            .nav-logo-text {
                font-size: 15px;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 12px;
            }
            .btn-cta {
                padding: 9px 12px;
                font-size: 13px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero p {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .entry-body h3 {
                font-size: 16px;
            }
            .faq-q-text {
                font-size: 14px;
            }
            .cta-text h3 {
                font-size: 18px;
            }
        }