/* roulang page: index */
:root {
            --primary: #1E3A32;
            --primary-light: #2A4F43;
            --accent: #C8962E;
            --accent-hover: #B48428;
            --bg: #F8F5EE;
            --bg-card: #FFFFFF;
            --dark: #232323;
            --text: #2C2C2C;
            --text-muted: #6B6B6B;
            --success: #2E7D5B;
            --warning: #A6453C;
            --border: rgba(30,58,50,0.10);
            --border-strong: rgba(30,58,50,0.20);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(30,58,50,0.06);
            --shadow-md: 0 4px 18px rgba(30,58,50,0.08);
            --shadow-hover: 0 8px 24px rgba(30,58,50,0.14);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-number: "SF Mono", "Roboto Mono", "Consolas", monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 88px;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 0.95rem;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.4;
            color: var(--primary);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.01em;
        }

        h1 {
            font-size: 2.2rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 1.7rem;
        }
        h3 {
            font-size: 1.2rem;
        }
        h4 {
            font-size: 1.05rem;
        }

        p {
            margin-bottom: var(--spacing-sm);
            color: var(--text);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container--narrow {
            max-width: 880px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-md) 0;
            background: transparent;
            pointer-events: none;
        }
        .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(248,245,238,0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(30,58,50,0.08);
            border-radius: var(--radius-pill);
            min-height: 60px;
            box-shadow: 0 2px 16px rgba(30,58,50,0.06);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            list-style: none;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30,58,50,0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--bg);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.88rem;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(30,58,50,0.08);
        }
        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: var(--spacing-md);
            background: rgba(30,58,50,0.97);
            border-radius: var(--radius-md);
            margin-top: 8px;
            list-style: none;
            pointer-events: auto;
        }
        .nav-mobile-menu a {
            color: var(--bg);
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            text-decoration: none;
            transition: background-color var(--transition);
        }
        .nav-mobile-menu a:hover {
            background: rgba(248,245,238,0.15);
            text-decoration: none;
            color: var(--accent);
        }
        .nav-mobile-menu a.active {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-mobile-menu.open {
            display: flex;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: var(--spacing-xxl) 0 var(--spacing-xl);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 540px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30,58,50,0.88) 0%, rgba(30,58,50,0.62) 50%, rgba(30,58,50,0.45) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero__inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .hero__content h1 {
            color: #FFFFFF;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.015em;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        .hero__subtitle {
            color: rgba(248,245,238,0.9);
            font-size: 1.05rem;
            line-height: 1.9;
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
        }
        .hero__cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }
        .hero__cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
        }
        .hero__cta-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: #FFFFFF;
        }
        .hero__cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            background: transparent;
            color: #FFFFFF;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid rgba(248,245,238,0.6);
            transition: all var(--transition);
            text-decoration: none;
        }
        .hero__cta-secondary:hover {
            background: rgba(248,245,238,0.15);
            color: #FFFFFF;
            text-decoration: none;
            border-color: #FFFFFF;
        }
        .hero__data-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) var(--spacing-md);
            background: rgba(248,245,238,0.12);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent);
        }
        .hero__data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero__data-label {
            font-size: 0.78rem;
            color: rgba(248,245,238,0.7);
            letter-spacing: 0.05em;
        }
        .hero__data-value {
            font-family: var(--font-number);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent);
        }
        .hero__badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: var(--spacing-md);
        }
        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(200,150,46,0.18);
            border: 1px solid rgba(200,150,46,0.4);
            color: var(--accent);
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }
        .hero__panel {
            background: rgba(248,245,238,0.95);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-hover);
            position: relative;
        }
        .hero__panel-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero__panel-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            line-height: 1.75;
        }
        .hero__panel-list {
            list-style: none;
            margin: 0 0 var(--spacing-md);
            padding: 0;
        }
        .hero__panel-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text);
            padding: 6px 0;
            border-bottom: 1px dashed var(--border);
        }
        .hero__panel-list li:last-child {
            border-bottom: none;
        }
        .hero__panel-list i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 0.8rem;
        }

        /* Section common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section--alt {
            background: var(--bg-card);
        }
        .section--dark {
            background: var(--dark);
        }
        .section--dark h2,
        .section--dark h3,
        .section--dark p {
            color: var(--bg);
        }
        .section--dark .section__desc {
            color: rgba(248,245,238,0.75);
        }
        .section__header {
            margin-bottom: var(--spacing-lg);
        }
        .section__label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
        }
        .section__title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }
        .section__desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }
        .section--dark .section__title {
            color: var(--bg);
        }

        /* Cards */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            position: relative;
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: rgba(30,58,50,0.08);
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }
        .card__title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
        }
        .card__text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: var(--spacing-sm);
        }
        .card__link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .card__link:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .card--feature {
            border-left: 4px solid var(--accent);
            padding: var(--spacing-lg);
        }
        .card--wide {
            grid-column: span 2;
        }
        .card--dark {
            background: var(--dark);
            border-color: rgba(248,245,238,0.1);
        }
        .card--dark .card__title {
            color: var(--bg);
        }
        .card--dark .card__text {
            color: rgba(248,245,238,0.7);
        }

        /* Grid layout helpers */
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .grid-cards--2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .grid-cards--mixed {
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
        }
        .grid-cards--mixed .card:first-child {
            grid-row: span 2;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.92rem;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.5;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn:focus-visible {
            outline: 2px solid rgba(200,150,46,0.5);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: var(--bg);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--bg);
            border-color: rgba(248,245,238,0.6);
        }
        .btn-outline-light:hover {
            background: rgba(248,245,238,0.15);
            color: var(--bg);
            border-color: var(--bg);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 15px 32px;
            font-size: 1rem;
        }

        /* Badge / Tag */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .badge-accent {
            background: rgba(200,150,46,0.15);
            color: var(--accent);
            border: 1px solid rgba(200,150,46,0.35);
        }
        .badge-green {
            background: rgba(46,125,91,0.12);
            color: var(--success);
            border: 1px solid rgba(46,125,91,0.3);
        }
        .badge-red {
            background: rgba(166,69,60,0.12);
            color: var(--warning);
            border: 1px solid rgba(166,69,60,0.3);
        }
        .badge-dark {
            background: rgba(30,58,50,0.1);
            color: var(--primary);
            border: 1px solid rgba(30,58,50,0.25);
        }

        /* News list */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .news-list__item {
            display: flex;
            align-items: stretch;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .news-list__item:hover {
            border-left: 3px solid var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .news-list__date {
            min-width: 68px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            padding: var(--spacing-xs);
            font-weight: 700;
            text-align: center;
        }
        .news-list__date-day {
            font-size: 1.3rem;
            font-weight: 800;
            line-height: 1.2;
        }
        .news-list__date-month {
            font-size: 0.75rem;
            font-weight: 500;
        }
        .news-list__content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-list__title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
        }
        .news-list__summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .news-list__link {
            align-self: flex-start;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
        }
        .news-list__link:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item[open] {
            border-left: 3px solid var(--accent);
            background: #FAF7F0;
        }
        .faq-item summary {
            padding: var(--spacing-md);
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            user-select: none;
            transition: background-color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            background: rgba(30,58,50,0.04);
        }
        .faq-item__answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
            list-style: none;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border-strong);
            border-radius: 2px;
        }
        .timeline li {
            position: relative;
            margin-bottom: var(--spacing-md);
            padding-left: var(--spacing-sm);
        }
        .timeline li::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--bg);
            box-shadow: 0 0 0 2px var(--accent);
        }
        .timeline li:last-child {
            margin-bottom: 0;
        }
        .timeline__title {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .timeline__text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Table */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-card);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 600px;
        }
        .data-table th {
            background: var(--primary);
            color: var(--bg);
            font-weight: 700;
            text-align: center;
            padding: 12px 16px;
            white-space: nowrap;
        }
        .data-table td {
            padding: 10px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border);
            font-family: var(--font-number);
            color: var(--text);
        }
        .data-table tr:nth-child(even) {
            background: #FAF7F0;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table .num-highlight {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.05rem;
        }

        /* Form */
        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
        }
        .form-group {
            margin-bottom: var(--spacing-md);
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .form-group .optional {
            color: var(--text-muted);
            font-weight: 400;
            font-size: 0.8rem;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-strong);
            border-bottom: 2px solid var(--accent);
            border-radius: 6px;
            background: var(--bg);
            color: var(--text);
            font-size: 0.92rem;
            transition: all var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,150,46,0.2);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-hint {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: var(--bg);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--bg);
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(248,245,238,0.7);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
            max-width: 360px;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--bg);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 6px;
        }
        .footer-links a {
            color: rgba(248,245,238,0.75);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(248,245,238,0.12);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 0.82rem;
            color: rgba(248,245,238,0.65);
        }
        .footer-bottom a {
            color: rgba(248,245,238,0.8);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        /* Review wall */
        .review-summary {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-md);
        }
        .review-summary__score {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .review-summary__stars {
            color: var(--accent);
            font-size: 1.2rem;
            margin: 4px 0;
        }
        .review-summary__label {
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .review-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .review-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: var(--spacing-md);
        }
        .review-item__header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--spacing-xs);
        }
        .review-item__name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
        }
        .review-item__stars {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .review-item__text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Hot list */
        .hot-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .hot-list li {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .hot-list li:hover {
            border-left: 3px solid var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .hot-list__rank {
            font-family: var(--font-number);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent);
            min-width: 36px;
            text-align: center;
        }
        .hot-list__content {
            flex: 1;
        }
        .hot-list__title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary);
        }
        .hot-list__desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .hot-list__btn {
            flex-shrink: 0;
        }

        /* Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .guarantee-item {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .guarantee-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .guarantee-item__icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: var(--spacing-xs);
        }
        .guarantee-item__title {
            font-weight: 700;
            font-size: 0.92rem;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .guarantee-item__text {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        .stat-block {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .stat-block:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .stat-block__value {
            font-family: var(--font-number);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-block__label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero__inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .hero__content h1 {
                font-size: 2rem;
            }
            .grid-cards,
            .grid-cards--mixed {
                grid-template-columns: repeat(2, 1fr);
            }
            .card--wide,
            .grid-cards--mixed .card:first-child {
                grid-column: span 2;
            }
            .grid-cards--mixed .card:first-child {
                grid-row: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-capsule {
                flex-wrap: wrap;
                padding: 8px 16px;
                border-radius: var(--radius-md);
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .hero {
                padding: var(--spacing-lg) 0;
                min-height: auto;
            }
            .hero__content h1 {
                font-size: 1.6rem;
            }
            .hero__subtitle {
                font-size: 0.92rem;
            }
            .hero__cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section__title {
                font-size: 1.4rem;
            }
            .grid-cards,
            .grid-cards--mixed,
            .grid-cards--2 {
                grid-template-columns: 1fr;
            }
            .card--wide,
            .grid-cards--mixed .card:first-child {
                grid-column: auto;
            }
            .grid-cards--mixed .card:first-child {
                grid-row: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-list {
                grid-template-columns: 1fr;
            }
            .review-summary {
                flex-direction: column;
                text-align: center;
            }
            .nav-mobile-menu {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero__data-bar {
                flex-direction: column;
                gap: var(--spacing-xs);
            }
            .news-list__item {
                flex-direction: column;
                gap: var(--spacing-xs);
            }
            .news-list__date {
                min-width: auto;
                flex-direction: row;
                gap: 4px;
                padding: 6px 12px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .data-table-wrap {
                font-size: 0.8rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E3A32;
            --primary-light: #2A4F43;
            --accent: #C8962E;
            --accent-hover: #B48428;
            --bg: #F8F5EE;
            --bg-card: #FFFFFF;
            --dark: #232323;
            --text: #2C2C2C;
            --text-muted: #6B6B6B;
            --success: #2E7D5B;
            --warning: #A6453C;
            --border: rgba(30,58,50,0.10);
            --border-strong: rgba(30,58,50,0.20);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(30,58,50,0.06);
            --shadow-md: 0 4px 18px rgba(30,58,50,0.08);
            --shadow-hover: 0 8px 24px rgba(30,58,50,0.14);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-number: "SF Mono", "Roboto Mono", "Consolas", monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 88px;
            --transition: 0.2s ease;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container--narrow {
            max-width: 880px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-md) 0;
            background: transparent;
            pointer-events: none;
        }
        .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(248,245,238,0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(30,58,50,0.08);
            border-radius: var(--radius-pill);
            min-height: 60px;
            box-shadow: 0 2px 16px rgba(30,58,50,0.06);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            list-style: none;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30,58,50,0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--bg);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.88rem;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        .page-hero {
            background-color: var(--primary);
            color: var(--bg);
            padding: var(--spacing-xl) 0 var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30,58,50,0.95) 0%, rgba(30,58,50,0.85) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200,150,46,0.15);
            border: 1px solid rgba(200,150,46,0.4);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }
        .page-hero h1 {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 800;
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.3;
        }
        .page-hero p {
            color: rgba(255,255,255,0.8);
            font-size: 1.05rem;
            max-width: 720px;
            margin: 0 0 var(--spacing-md) 0;
            line-height: 1.8;
        }
        .hero-meta-row {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .hero-meta-item i {
            color: var(--accent);
        }
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
            padding: var(--spacing-xl) 0;
        }
        .section-heading {
            margin-bottom: var(--spacing-lg);
        }
        .section-heading h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.35;
        }
        .section-heading p {
            color: var(--text-muted);
            font-size: 1rem;
            margin: 0;
            max-width: 680px;
            line-height: 1.8;
        }
        .section-dark .section-heading h2 {
            color: #fff;
        }
        .section-dark .section-heading p {
            color: rgba(255,255,255,0.7);
        }
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .split-grid img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .split-grid .text-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.4;
        }
        .split-grid .text-content p {
            color: var(--text-muted);
            font-size: 0.98rem;
            line-height: 1.9;
            margin: 0 0 var(--spacing-md) 0;
        }
        .trend-list {
            list-style: none;
            padding: 0;
            margin: var(--spacing-md) 0 0 0;
        }
        .trend-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
            color: var(--text);
        }
        .trend-list li:last-child {
            border-bottom: none;
        }
        .trend-list li i {
            color: var(--accent);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .data-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .data-card .data-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .data-card .data-value {
            font-family: var(--font-number);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
        }
        .data-card .data-trend {
            font-size: 0.8rem;
            margin-top: 4px;
            color: var(--text-muted);
        }
        .data-card .data-trend.up {
            color: var(--success);
        }
        .data-card .data-trend.down {
            color: var(--warning);
        }
        .timeline-block {
            margin-top: var(--spacing-lg);
            position: relative;
            padding-left: 28px;
        }
        .timeline-block::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(200,150,46,0.4);
        }
        .timeline-item {
            position: relative;
            margin-bottom: var(--spacing-md);
            padding: 16px 20px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-sm);
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -24px;
            top: 18px;
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            border: 2px solid var(--dark);
        }
        .timeline-item h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 4px 0;
        }
        .timeline-item p {
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.7;
        }
        .cta-box {
            background: var(--bg-card);
            border: 1px solid rgba(200,150,46,0.3);
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }
        .cta-box h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 4px 0;
        }
        .cta-box p {
            color: var(--text-muted);
            margin: 0;
            font-size: 0.95rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border-strong);
        }
        .btn-secondary:hover {
            background: rgba(30,58,50,0.08);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            color: #fff;
            text-decoration: none;
            border-color: rgba(255,255,255,0.8);
        }
        .faq-list {
            list-style: none;
            padding: 0;
            margin: var(--spacing-md) 0 0 0;
        }
        .faq-list details {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            background: var(--bg-card);
            transition: all var(--transition);
            overflow: hidden;
        }
        .faq-list details:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }
        .faq-list details[open] {
            border-left: 3px solid var(--accent);
            background: #FEFCF7;
        }
        .faq-list summary {
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary::after {
            content: "\f107";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-list details[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-list .faq-answer {
            padding: 0 20px 16px 20px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            text-decoration: none;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-brand .nav-brand__mark {
            background: var(--accent);
            color: var(--dark);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            max-width: 360px;
            margin: 0;
        }
        .footer-title {
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li {
            list-style: none;
        }
        .footer-links a {
            color: rgba(255,255,255,0.7);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .split-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .data-cards-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 768px) {
            .nav-capsule {
                flex-wrap: nowrap;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: rgba(30,58,50,0.96);
                padding: var(--spacing-md);
                border-radius: var(--radius-md);
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                color: rgba(255,255,255,0.85);
                padding: 12px 16px;
                display: block;
                width: 100%;
            }
            .nav-links a:hover {
                background: rgba(255,255,255,0.1);
                color: #fff;
            }
            .nav-links a.active {
                background: var(--accent);
                color: var(--primary);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .data-cards-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-heading h2 {
                font-size: 1.4rem;
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
            .hero-meta-row {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .nav-capsule {
                padding: 0 var(--spacing-sm);
                min-height: 54px;
            }
            .nav-brand {
                font-size: 1rem;
            }
            .nav-brand__mark {
                width: 32px;
                height: 32px;
                font-size: 0.75rem;
            }
            .page-hero h1 {
                font-size: 1.45rem;
            }
            .section-heading h2 {
                font-size: 1.25rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .faq-list summary {
                font-size: 0.92rem;
                padding: 14px 16px;
            }
            .faq-list .faq-answer {
                padding: 0 16px 14px 16px;
                font-size: 0.88rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E3A32;
            --primary-light: #2A4F43;
            --accent: #C8962E;
            --accent-hover: #B48428;
            --bg: #F8F5EE;
            --bg-card: #FFFFFF;
            --dark: #232323;
            --text: #2C2C2C;
            --text-muted: #6B6B6B;
            --success: #2E7D5B;
            --warning: #A6453C;
            --border: rgba(30,58,50,0.10);
            --border-strong: rgba(30,58,50,0.20);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(30,58,50,0.06);
            --shadow-md: 0 4px 18px rgba(30,58,50,0.08);
            --shadow-hover: 0 8px 24px rgba(30,58,50,0.14);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-number: "SF Mono", "Roboto Mono", "Consolas", monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 88px;
            --transition: 0.2s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 0.95rem;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--primary);
            font-weight: 700;
            line-height: 1.35;
            margin-top: 0;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }
        h2 {
            font-size: 1.7rem;
            margin-bottom: var(--spacing-sm);
        }
        h3 {
            font-size: 1.2rem;
            margin-bottom: var(--spacing-xs);
        }
        p {
            margin-top: 0;
            margin-bottom: var(--spacing-sm);
        }
        ul, ol {
            padding-left: var(--spacing-md);
            margin-top: 0;
            margin-bottom: var(--spacing-sm);
        }
        li {
            margin-bottom: var(--spacing-xs);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container--narrow {
            max-width: 880px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-md) 0;
            background: transparent;
            pointer-events: none;
        }
        .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(248,245,238,0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(30,58,50,0.08);
            border-radius: var(--radius-pill);
            min-height: 60px;
            box-shadow: 0 2px 16px rgba(30,58,50,0.06);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            padding: 8px 13px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-block;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30,58,50,0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--bg);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.85rem;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(30,58,50,0.08);
        }
        main {
            display: block;
            padding-bottom: var(--spacing-xl);
        }
        section {
            padding: var(--spacing-xl) 0;
        }
        section + section {
            border-top: 1px solid var(--border);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
            background: rgba(200,150,46,0.10);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .section-title {
            margin-bottom: var(--spacing-sm);
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(200,150,46,0.25);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: var(--bg);
            transform: translateY(-1px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.88rem;
            text-decoration: none;
            padding: 4px 0;
            transition: all var(--transition);
        }
        .btn-text:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .btn-text i {
            transition: transform var(--transition);
        }
        .btn-text:hover i {
            transform: translateX(3px);
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-md);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: rgba(200,150,46,0.12);
            color: #8B6914;
        }
        .badge-primary {
            background: rgba(30,58,50,0.10);
            color: var(--primary);
        }
        .badge-warning {
            background: rgba(166,69,60,0.10);
            color: var(--warning);
        }
        .badge-success {
            background: rgba(46,125,91,0.10);
            color: var(--success);
        }
        .number {
            font-family: var(--font-number);
            letter-spacing: 0.04em;
        }
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .data-table thead {
            background: var(--primary);
            color: var(--bg);
        }
        .data-table thead th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .data-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            vertical-align: middle;
        }
        .data-table tbody tr:last-child td {
            border-bottom: none;
        }
        .data-table tbody tr:hover {
            background: rgba(248,245,238,0.6);
        }
        .data-table .number-cell {
            font-family: var(--font-number);
            font-weight: 600;
            color: var(--primary);
            font-size: 0.92rem;
        }
        .data-table .highlight-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: rgba(200,150,46,0.15);
            border-radius: 50%;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.88rem;
        }
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-strong);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: var(--spacing-lg);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            border: 2px solid var(--bg);
            box-shadow: 0 0 0 2px var(--accent);
        }
        .timeline-item .timeline-time {
            font-family: var(--font-number);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 4px;
        }
        .timeline-item .timeline-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-item .timeline-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .faq-list {
            max-width: 840px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            background: var(--bg-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item[open] {
            border-left: 3px solid var(--accent);
            background: #FDFBF5;
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            list-style: none;
            gap: var(--spacing-sm);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            color: var(--bg);
        }
        .cta-banner .section-title {
            color: var(--bg);
            margin-bottom: var(--spacing-xs);
        }
        .cta-banner p {
            color: rgba(248,245,238,0.8);
            margin-bottom: var(--spacing-md);
        }
        .cta-banner .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .cta-banner .btn-primary:hover {
            background: #D4A842;
            border-color: var(--bg);
        }
        .site-footer {
            background: var(--dark);
            color: var(--bg);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--bg);
            margin-bottom: var(--spacing-sm);
            text-decoration: none;
        }
        .footer-brand:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-brand .nav-brand__mark {
            background: var(--accent);
            color: var(--primary);
        }
        .footer-desc {
            color: rgba(248,245,238,0.7);
            font-size: 0.9rem;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: var(--spacing-xs);
        }
        .footer-links a {
            color: rgba(248,245,238,0.75);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(248,245,238,0.15);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.82rem;
            color: rgba(248,245,238,0.6);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(248,245,238,0.75);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .hero-data {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .hero-data .data-item {
            flex: 1;
            min-width: 100px;
            text-align: center;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-right: 1px solid var(--border);
        }
        .hero-data .data-item:last-child {
            border-right: none;
        }
        .hero-data .data-item .data-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 2px;
        }
        .hero-data .data-item .data-value {
            font-family: var(--font-number);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
        }
        .step-list {
            counter-reset: step-counter;
            list-style: none;
            padding: 0;
        }
        .step-list li {
            counter-increment: step-counter;
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
        }
        .step-list li::before {
            content: counter(step-counter);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .step-list .step-content {
            flex: 1;
        }
        .step-list .step-content h4 {
            margin-bottom: 4px;
            font-size: 1rem;
        }
        .step-list .step-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .insight-block {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .insight-block .insight-text {
            flex: 1;
            min-width: 280px;
        }
        .insight-block .insight-image {
            flex: 1;
            min-width: 280px;
        }
        .insight-block .insight-image img {
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
        }
        .quick-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .quick-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .quick-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .quick-card .quick-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: rgba(30,58,50,0.08);
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            font-size: 1.3rem;
        }
        .quick-card h4 {
            font-size: 1rem;
            margin-bottom: 0;
        }
        .quick-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 0;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .quick-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            section {
                padding: var(--spacing-lg) 0;
            }
            .nav-capsule {
                padding: 0 var(--spacing-sm);
                min-height: 54px;
                border-radius: 28px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: var(--primary);
                border-radius: var(--radius-md);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-sm);
                gap: 4px;
                box-shadow: var(--shadow-hover);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                color: var(--bg);
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
                text-align: center;
            }
            .nav-links a:hover {
                background: rgba(248,245,238,0.12);
                color: var(--bg);
            }
            .nav-links a.active {
                background: var(--accent);
                color: var(--primary);
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cta {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .quick-cards {
                grid-template-columns: 1fr;
            }
            .hero-data {
                flex-direction: column;
            }
            .hero-data .data-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                width: 100%;
                text-align: left;
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: var(--spacing-sm);
                padding: var(--spacing-xs) 0;
            }
            .hero-data .data-item:last-child {
                border-bottom: none;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
            .footer-legal {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
            .insight-block {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .btn-text {
                width: auto;
            }
        }
        @media (max-width: 520px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            h3 {
                font-size: 1.05rem;
            }
            .container {
                padding: 0 var(--spacing-sm);
            }
            .nav-capsule {
                border-radius: 24px;
                padding: 0 var(--spacing-xs);
            }
            .nav-brand {
                font-size: 1rem;
                gap: 6px;
            }
            .nav-brand__mark {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
            .section-label {
                font-size: 0.72rem;
            }
            .data-table {
                font-size: 0.78rem;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 10px 10px;
            }
            .data-table .highlight-num {
                width: 26px;
                height: 26px;
                font-size: 0.78rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category3 */
:root {
            --primary: #1E3A32;
            --primary-light: #2A4F43;
            --accent: #C8962E;
            --accent-hover: #B48428;
            --bg: #F8F5EE;
            --bg-card: #FFFFFF;
            --dark: #232323;
            --text: #2C2C2C;
            --text-muted: #6B6B6B;
            --success: #2E7D5B;
            --warning: #A6453C;
            --border: rgba(30,58,50,0.10);
            --border-strong: rgba(30,58,50,0.20);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(30,58,50,0.06);
            --shadow-md: 0 4px 18px rgba(30,58,50,0.08);
            --shadow-hover: 0 8px 24px rgba(30,58,50,0.14);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-number: "SF Mono", "Roboto Mono", "Consolas", monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 88px;
            --transition: 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 0.95rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container--narrow {
            max-width: 880px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-md) 0;
            background: transparent;
            pointer-events: none;
        }
        .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(248,245,238,0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(30,58,50,0.08);
            border-radius: var(--radius-pill);
            min-height: 60px;
            box-shadow: 0 2px 16px rgba(30,58,50,0.06);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            list-style: none;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30,58,50,0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--bg);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.88rem;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(30,58,50,0.08);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            text-decoration: none;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px rgba(200,150,46,0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: var(--bg);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-secondary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* Hero */
        .hero-subpage {
            position: relative;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(135deg, rgba(30,58,50,0.95) 0%, rgba(30,58,50,0.85) 50%, rgba(200,150,46,0.25) 100%);
            color: var(--bg);
            overflow: hidden;
        }
        .hero-subpage::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }
        .hero-subpage .container {
            position: relative;
            z-index: 1;
        }
        .hero-subpage h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
            line-height: 1.4;
        }
        .hero-subpage .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(248,245,238,0.85);
            max-width: 650px;
            margin-bottom: var(--spacing-lg);
            line-height: 1.9;
        }
        .hero-subpage .hero-meta {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }
        .hero-subpage .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(248,245,238,0.12);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            color: rgba(248,245,238,0.9);
            border: 1px solid rgba(248,245,238,0.15);
        }
        .hero-subpage .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .hero-subpage .btn-secondary {
            border-color: rgba(248,245,238,0.6);
            color: #fff;
        }
        .hero-subpage .btn-secondary:hover {
            background: rgba(248,245,238,0.15);
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Section common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--dark);
            color: var(--bg);
        }
        .section-head {
            margin-bottom: var(--spacing-lg);
        }
        .section-head h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 750px;
            line-height: 1.9;
        }
        .section-head--light h2 {
            color: #fff;
        }
        .section-head--light p {
            color: rgba(248,245,238,0.75);
        }

        /* Big image card */
        .big-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            transition: box-shadow var(--transition);
        }
        .big-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .big-card__image {
            min-height: 300px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .big-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .big-card__content {
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .big-card__content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }
        .big-card__content p {
            color: var(--text-muted);
            font-size: 0.98rem;
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }
        .big-card__tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }
        .big-card__tags span {
            background: rgba(200,150,46,0.12);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* Filter tabs + cards */
        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }
        .filter-tab {
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: #fff;
            border: 1px solid var(--border-strong);
            color: var(--text);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .filter-tab:hover {
            background: rgba(30,58,50,0.06);
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }
        .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        .filter-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .filter-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
        }
        .filter-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .filter-card__image {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .filter-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .filter-card__body {
            padding: var(--spacing-md);
        }
        .filter-card__badge {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(200,150,46,0.15);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .filter-card__body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .filter-card__body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .filter-card__link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .filter-card__link:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        .filter-card--hidden {
            display: none;
        }

        /* Data table */
        .data-table-wrap {
            overflow-x: auto;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 600px;
        }
        .data-table thead {
            background: var(--primary);
            color: #fff;
        }
        .data-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            line-height: 1.6;
        }
        .data-table tbody tr:hover {
            background: rgba(200,150,46,0.05);
        }
        .data-table .num-cell {
            font-family: var(--font-number);
            font-weight: 600;
            color: var(--primary);
        }
        .data-table .badge-soft {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
        }
        .badge-soft--green {
            background: rgba(46,125,91,0.12);
            color: var(--success);
        }
        .badge-soft--gold {
            background: rgba(200,150,46,0.15);
            color: var(--accent-hover);
        }
        .badge-soft--gray {
            background: rgba(107,107,107,0.12);
            color: var(--text-muted);
        }
        .badge-soft--red {
            background: rgba(166,69,60,0.12);
            color: var(--warning);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }
        .step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .step-card__number {
            width: 48px;
            height: 48px;
            margin: 0 auto var(--spacing-sm);
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            font-family: var(--font-number);
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Article / deep content */
        .article-block {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
        }
        .article-block h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-md);
            line-height: 1.5;
        }
        .article-block p {
            font-size: 1rem;
            color: var(--text);
            line-height: 2.0;
            margin-bottom: var(--spacing-md);
        }
        .article-block ul {
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding-left: 1.5rem;
            list-style: none;
        }
        .article-block ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .article-block ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        /* Scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }
        .scenario-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .scenario-card h4 i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: var(--spacing-sm);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--bg-card);
        }
        .faq-item.open {
            border-left: 3px solid var(--accent);
            background: #FFFDF7;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) var(--spacing-md);
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            gap: var(--spacing-sm);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.9;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA / Contact */
        .cta-section {
            background: var(--dark);
            color: var(--bg);
            padding: var(--spacing-xl) 0;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .cta-text h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }
        .cta-text p {
            color: rgba(248,245,238,0.8);
            font-size: 0.98rem;
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }
        .cta-form {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-hover);
        }
        .cta-form label {
            display: block;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
            font-size: 0.85rem;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-strong);
            border-bottom: 2px solid var(--accent);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text);
            background: #FFFEFB;
            margin-bottom: var(--spacing-sm);
            transition: all var(--transition);
            outline: none;
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,150,46,0.25);
        }
        .cta-form .btn {
            width: 100%;
            justify-content: center;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #F8F5EE;
            padding: var(--spacing-xl) 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-lg);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: #F8F5EE;
            text-decoration: none;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand:hover {
            color: #F8F5EE;
            text-decoration: none;
        }
        .footer-brand .nav-brand__mark {
            background: var(--accent);
            color: var(--dark);
        }
        .footer-desc {
            color: rgba(248,245,238,0.7);
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 400px;
        }
        .footer-title {
            font-weight: 700;
            font-size: 1rem;
            color: #F8F5EE;
            margin-bottom: var(--spacing-sm);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(248,245,238,0.7);
            text-decoration: none;
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(248,245,238,0.1);
            padding: var(--spacing-md) 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.8rem;
            color: rgba(248,245,238,0.55);
        }
        .footer-legal {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .footer-legal span {
            white-space: nowrap;
        }
        .footer-bottom a {
            color: rgba(248,245,238,0.6);
            text-decoration: none;
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .filter-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .big-card {
                grid-template-columns: 1fr;
            }
            .big-card__image {
                min-height: 200px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-capsule {
                flex-wrap: nowrap;
                padding: 0 var(--spacing-sm);
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 65px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(30,58,50,0.96);
                border-radius: var(--radius-md);
                padding: var(--spacing-md);
                gap: 4px;
                box-shadow: var(--shadow-hover);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                color: #F8F5EE;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                text-align: left;
            }
            .nav-links a:hover {
                background: rgba(248,245,238,0.12);
                color: #F8F5EE;
            }
            .nav-links a.active {
                background: var(--accent);
                color: var(--dark);
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-subpage h1 {
                font-size: 1.6rem;
            }
            .filter-cards {
                grid-template-columns: 1fr;
            }
            .filter-tabs {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 8px;
                -webkit-overflow-scrolling: touch;
            }
            .filter-tab {
                white-space: nowrap;
                flex-shrink: 0;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .hero-subpage {
                padding: var(--spacing-lg) 0;
            }
            .hero-subpage h1 {
                font-size: 1.4rem;
                line-height: 1.5;
            }
            .hero-subpage .hero-subtitle {
                font-size: 0.95rem;
                line-height: 1.8;
            }
            .big-card__content {
                padding: var(--spacing-md);
            }
            .big-card__content h3 {
                font-size: 1.3rem;
            }
            .article-block {
                padding: var(--spacing-md);
            }
            .article-block h3 {
                font-size: 1.25rem;
            }
            .cta-form {
                padding: var(--spacing-md);
            }
            .nav-brand {
                font-size: 1.05rem;
            }
            .nav-brand__mark {
                width: 32px;
                height: 32px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1E3A32;
            --primary-light: #2A4F43;
            --accent: #C8962E;
            --accent-hover: #B48428;
            --bg: #F8F5EE;
            --bg-card: #FFFFFF;
            --dark: #232323;
            --text: #2C2C2C;
            --text-muted: #6B6B6B;
            --success: #2E7D5B;
            --warning: #A6453C;
            --border: rgba(30,58,50,0.10);
            --border-strong: rgba(30,58,50,0.20);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(30,58,50,0.06);
            --shadow-md: 0 4px 18px rgba(30,58,50,0.08);
            --shadow-hover: 0 8px 24px rgba(30,58,50,0.14);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-number: "SF Mono", "Roboto Mono", "Consolas", monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 88px;
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: var(--font-body);
            font-size: 0.95rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container--narrow {
            max-width: 880px;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-md) 0;
            background: transparent;
            pointer-events: none;
        }
        .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(248,245,238,0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(30,58,50,0.08);
            border-radius: var(--radius-pill);
            min-height: 60px;
            box-shadow: 0 2px 16px rgba(30,58,50,0.06);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30,58,50,0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--bg);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.88rem;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }
        /* Hero */
        .page-hero {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200,150,46,0.18), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            color: var(--primary);
        }
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--primary);
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: var(--bg);
            text-decoration: none;
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.6);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            white-space: nowrap;
        }
        .hero-image-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            background: var(--bg-card);
        }
        .hero-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        /* Section common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-dark {
            background: var(--dark);
            color: var(--bg);
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--primary);
        }
        .section-dark .section-title {
            color: var(--bg);
        }
        .section-lead {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }
        .section-dark .section-lead {
            color: rgba(248,245,238,0.8);
        }
        .text-center {
            text-align: center;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        /* Comparison Table */
        .compare-table-wrap {
            overflow-x: auto;
            margin-bottom: var(--spacing-lg);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 720px;
        }
        .compare-table th {
            background: var(--primary);
            color: var(--bg);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            white-space: nowrap;
        }
        .compare-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            vertical-align: top;
            line-height: 1.6;
        }
        .compare-table tr:nth-child(even) td {
            background: rgba(248,245,238,0.5);
        }
        .compare-table .cell-highlight {
            color: var(--accent);
            font-weight: 600;
        }
        .annotations {
            background: #F3EFE6;
            border-left: 4px solid var(--accent);
            padding: var(--spacing-md);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin-bottom: var(--spacing-lg);
        }
        .annotations h3 {
            font-size: 1.2rem;
            margin-bottom: var(--spacing-xs);
            color: var(--primary);
        }
        .annotations p {
            margin-bottom: var(--spacing-sm);
            color: var(--text);
        }
        /* Steps */
        .step-list {
            list-style: none;
            counter-reset: step-counter;
            padding: 0;
            margin: 0;
        }
        .step-list li {
            counter-increment: step-counter;
            padding-left: 3.5rem;
            position: relative;
            margin-bottom: var(--spacing-md);
            font-size: 1rem;
            line-height: 1.7;
        }
        .step-list li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0.1rem;
            width: 2.5rem;
            height: 2.5rem;
            background: var(--accent);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-family: var(--font-number);
        }
        /* Use case cards */
        .usecase-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            transition: all var(--transition);
        }
        .usecase-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }
        .usecase-card i {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: var(--spacing-xs);
        }
        .usecase-card h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: var(--primary);
        }
        .usecase-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            transition: background var(--transition);
            border-radius: var(--radius-sm);
        }
        .faq-question:hover {
            background: rgba(30,58,50,0.03);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--accent);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            border-left: 3px solid var(--accent);
            margin-left: 10px;
            background: #FCFAF5;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 14px 20px 16px;
        }
        /* CTA Section */
        .cta-box {
            background: var(--primary);
            color: var(--bg);
            border-radius: var(--radius-md);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-sm);
            box-shadow: var(--shadow-md);
        }
        .cta-box h2 {
            color: var(--bg);
            font-size: 1.8rem;
            margin-bottom: 4px;
        }
        .cta-box p {
            max-width: 600px;
            margin: 0 auto;
            color: rgba(248,245,238,0.85);
        }
        /* Footer */
        .site-footer {
            background: var(--dark);
            color: var(--bg);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--bg) !important;
            text-decoration: none;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand:hover {
            color: var(--accent) !important;
            text-decoration: none;
        }
        .footer-desc {
            color: rgba(248,245,238,0.7);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 400px;
        }
        .footer-title {
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--accent);
            font-size: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(248,245,238,0.8);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(248,245,238,0.15);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.85rem;
            color: rgba(248,245,238,0.6);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(248,245,238,0.6);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-sub {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-trust {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 10px;
                right: 10px;
                background: rgba(30,58,50,0.96);
                border-radius: var(--radius-md);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-sm);
                box-shadow: var(--shadow-hover);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                color: var(--bg);
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                text-align: center;
            }
            .nav-links a.active {
                background: var(--accent);
                color: var(--primary);
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .grid-2, .grid-3 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .compare-table {
                min-width: 600px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1E3A32;
            --primary-light: #2A4F43;
            --accent: #C8962E;
            --accent-hover: #B48428;
            --bg: #F8F5EE;
            --bg-card: #FFFFFF;
            --dark: #232323;
            --text: #2C2C2C;
            --text-muted: #6B6B6B;
            --success: #2E7D5B;
            --warning: #A6453C;
            --border: rgba(30,58,50,0.10);
            --border-strong: rgba(30,58,50,0.20);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(30,58,50,0.06);
            --shadow-md: 0 4px 18px rgba(30,58,50,0.08);
            --shadow-hover: 0 8px 24px rgba(30,58,50,0.14);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-number: "SF Mono", "Roboto Mono", "Consolas", monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 88px;
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: var(--font-body);
            font-size: 0.95rem;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--primary);
            margin: 0;
        }
        p {
            margin: 0;
        }
        ul, ol, dl {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container--narrow {
            max-width: 880px;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: var(--spacing-md) 0;
            background: transparent;
            pointer-events: none;
        }
        .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(248,245,238,0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(30,58,50,0.08);
            border-radius: var(--radius-pill);
            min-height: 60px;
            box-shadow: 0 2px 16px rgba(30,58,50,0.06);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            list-style: none;
        }
        .nav-links a {
            padding: 8px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30,58,50,0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--bg);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.85rem;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }
        /* Hero */
        .hero {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(160deg, rgba(30,58,50,0.04) 0%, rgba(248,245,238,0.9) 60%, rgba(200,150,46,0.06) 100%);
            border-bottom: 1px solid var(--border);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }
        .hero-content .hero-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.92rem;
            text-decoration: none;
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--primary);
            text-decoration: none;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(200,150,46,0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: var(--bg);
            text-decoration: none;
            transform: translateY(-2px);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 280px;
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(30,58,50,0.35) 100%);
            pointer-events: none;
        }
        .hero-visual .hero-overlay-text {
            position: absolute;
            bottom: var(--spacing-md);
            left: var(--spacing-md);
            right: var(--spacing-md);
            z-index: 2;
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            text-shadow: 0 1px 4px rgba(0,0,0,0.4);
        }
        /* Section common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section--alt {
            background: rgba(30,58,50,0.03);
        }
        .section--dark {
            background: var(--dark);
            color: #f0ede5;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #f0ede5;
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-size: 1.7rem;
            margin-bottom: var(--spacing-xs);
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 0.98rem;
            max-width: 720px;
        }
        .section--dark .section-header p {
            color: rgba(248,245,238,0.7);
        }
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .tag--accent {
            background: rgba(200,150,46,0.16);
            color: var(--accent-hover);
        }
        .tag--primary {
            background: rgba(30,58,50,0.12);
            color: var(--primary);
        }
        .tag--success {
            background: rgba(46,125,91,0.14);
            color: var(--success);
        }
        .tag--warning {
            background: rgba(166,69,60,0.12);
            color: var(--warning);
        }
        /* Download resource cards */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .resource-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .resource-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .resource-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .resource-card:hover::before {
            opacity: 1;
        }
        .resource-card__icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: rgba(30,58,50,0.08);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            color: var(--primary);
            font-size: 1.3rem;
        }
        .resource-card h3 {
            font-size: 1.05rem;
            margin-bottom: var(--spacing-xs);
        }
        .resource-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: var(--spacing-sm);
            line-height: 1.7;
        }
        .resource-card__meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
        }
        .resource-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--primary);
        }
        .resource-card__link:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        /* Summary list */
        .summary-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-sm);
        }
        .summary-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: var(--spacing-sm) var(--spacing-md);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            transition: all var(--transition);
        }
        .summary-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .summary-item__num {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            font-family: var(--font-number);
            margin-top: 2px;
        }
        .summary-item__body h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .summary-item__body p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            position: relative;
            counter-increment: step;
            transition: all var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .step-card::before {
            content: counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.1rem;
            font-family: var(--font-number);
            margin-bottom: var(--spacing-sm);
        }
        .step-card h3 {
            font-size: 1rem;
            margin-bottom: var(--spacing-xs);
        }
        .step-card p {
            font-size: 0.87rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* FAQ accordion */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-left: 3px solid var(--accent);
            background: #FFFCF4;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-question .fa-chevron-down {
            transition: transform var(--transition);
            font-size: 0.85rem;
            color: var(--accent);
        }
        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 var(--spacing-md) var(--spacing-sm);
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        /* CTA band */
        .cta-band {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-xl);
            color: #f0ede5;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
        }
        .cta-band h2 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: var(--spacing-xs);
        }
        .cta-band p {
            color: rgba(248,245,238,0.75);
            font-size: 0.95rem;
            max-width: 560px;
        }
        .cta-band .btn {
            flex-shrink: 0;
        }
        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #F8F5EE;
            padding: var(--spacing-xl) 0 var(--spacing-sm);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(248,245,238,0.15);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: #F8F5EE;
            text-decoration: none;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(248,245,238,0.65);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent);
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-links a {
            color: rgba(248,245,238,0.7);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            font-size: 0.8rem;
            color: rgba(248,245,238,0.55);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(248,245,238,0.6);
            font-size: 0.8rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 16px;
                right: 16px;
                background: rgba(30,58,50,0.97);
                border-radius: var(--radius-md);
                padding: var(--spacing-md);
                flex-direction: column;
                gap: 6px;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                color: rgba(248,245,238,0.85);
                padding: 10px 16px;
                width: 100%;
                text-align: center;
            }
            .nav-links a.active {
                background: var(--accent);
                color: var(--primary);
            }
            .nav-links a:hover {
                background: rgba(200,150,46,0.2);
                color: #fff;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-capsule {
                padding: 0 var(--spacing-sm);
            }
            .hero {
                padding: var(--spacing-lg) 0 var(--spacing-md);
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-band {
                flex-direction: column;
                text-align: center;
                padding: var(--spacing-md);
            }
            .cta-band p {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .footer-legal {
                flex-direction: column;
                gap: 4px;
                align-items: center;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.3rem;
            }
            .hero-content .hero-sub {
                font-size: 0.92rem;
            }
            .resource-card {
                padding: var(--spacing-sm);
            }
            .summary-item {
                flex-direction: column;
                gap: var(--spacing-xs);
            }
            .cta-band h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
        --primary: #1E3A32;
        --primary-light: #2A4F43;
        --accent: #C8962E;
        --accent-hover: #B48428;
        --bg: #F8F5EE;
        --bg-card: #FFFFFF;
        --dark: #232323;
        --text: #2C2C2C;
        --text-muted: #6B6B6B;
        --success: #2E7D5B;
        --warning: #A6453C;
        --border: rgba(30,58,50,0.10);
        --border-strong: rgba(30,58,50,0.20);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-pill: 999px;
        --shadow-sm: 0 2px 12px rgba(30,58,50,0.06);
        --shadow-md: 0 4px 18px rgba(30,58,50,0.08);
        --shadow-hover: 0 8px 24px rgba(30,58,50,0.14);
        --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        --font-number: "SF Mono", "Roboto Mono", "Consolas", monospace;
        --spacing-xs: 8px;
        --spacing-sm: 16px;
        --spacing-md: 24px;
        --spacing-lg: 40px;
        --spacing-xl: 64px;
        --spacing-xxl: 88px;
        --transition: 0.2s ease;
    }
    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }
    body {
        font-family: var(--font-body);
        color: var(--text);
        background-color: var(--bg);
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition), background-color var(--transition), border-color var(--transition);
    }
    a:hover {
        color: var(--accent);
        text-decoration: underline;
    }
    a:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
        border-radius: 4px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button, input, select, textarea {
        font-family: var(--font-body);
        font-size: 0.95rem;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--spacing-md);
    }
    .container--narrow {
        max-width: 880px;
    }
    /* Header / Navigation */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        padding: var(--spacing-md) 0;
        background: rgba(248,245,238,0.6);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    .nav-capsule {
        max-width: 1100px;
        margin: 0 auto;
        padding: 4px var(--spacing-md);
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: rgba(248,245,238,0.92);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(30,58,50,0.08);
        border-radius: var(--radius-pill);
        min-height: 60px;
        box-shadow: 0 2px 16px rgba(30,58,50,0.06);
        transition: background-color var(--transition), border-color var(--transition);
    }
    .nav-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.2rem;
        color: var(--primary);
        white-space: nowrap;
        text-decoration: none;
        letter-spacing: 0.02em;
    }
    .nav-brand:hover {
        color: var(--primary);
        text-decoration: none;
    }
    .nav-brand__mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--primary);
        color: var(--accent);
        border-radius: 50%;
        font-size: 0.85rem;
        font-weight: 700;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: nowrap;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .nav-links a {
        padding: 8px 14px;
        border-radius: var(--radius-pill);
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text);
        text-decoration: none;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .nav-links a:hover {
        color: var(--primary);
        background: rgba(30,58,50,0.08);
        text-decoration: none;
    }
    .nav-links a.active {
        background: var(--primary);
        color: var(--bg);
        font-weight: 600;
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 9px 20px;
        background: var(--accent);
        color: var(--primary);
        border-radius: var(--radius-pill);
        font-weight: 700;
        font-size: 0.88rem;
        text-decoration: none;
        border: 1px solid transparent;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .nav-cta:hover {
        background: var(--accent-hover);
        color: var(--primary);
        text-decoration: none;
        border-color: var(--primary);
    }
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 1.3rem;
        color: var(--primary);
        cursor: pointer;
        padding: 6px;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
    }
    /* Hero - 分类页短 Hero */
    .page-hero {
        padding: var(--spacing-xl) 0 var(--spacing-lg);
        background: linear-gradient(135deg, #f8f5ee 0%, #f0ebe1 100%);
        border-bottom: 1px solid var(--border);
        position: relative;
        overflow: hidden;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        top: -60%;
        right: -10%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(200,150,46,0.08) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .page-hero__inner {
        position: relative;
        z-index: 1;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }
    .page-hero__badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 16px;
        background: rgba(30,58,50,0.08);
        color: var(--primary);
        border-radius: var(--radius-pill);
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        width: fit-content;
    }
    .page-hero h1 {
        font-size: 2.4rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.3;
        margin: 0;
        max-width: 800px;
    }
    .page-hero__sub {
        font-size: 1.1rem;
        color: var(--text-muted);
        max-width: 720px;
        line-height: 1.8;
        margin: 0;
    }
    .page-hero__meta {
        display: flex;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        font-size: 0.85rem;
        color: var(--text-muted);
    }
    .page-hero__meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    /* Section 通用 */
    .section {
        padding: var(--spacing-xl) 0;
    }
    .section--alt {
        background: var(--bg-card);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    .section__header {
        margin-bottom: var(--spacing-lg);
    }
    .section__header h2 {
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--primary);
        margin: 0 0 var(--spacing-xs);
        line-height: 1.4;
    }
    .section__header p {
        color: var(--text-muted);
        font-size: 1rem;
        margin: 0;
        max-width: 700px;
    }
    /* 步骤流程 */
    .steps-flow {
        display: flex;
        flex-direction: column;
        gap: 0;
        counter-reset: step;
    }
    .step-item {
        display: flex;
        gap: var(--spacing-md);
        padding: var(--spacing-md) 0;
        position: relative;
        counter-increment: step;
    }
    .step-item::before {
        content: '';
        position: absolute;
        left: 24px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: rgba(30,58,50,0.15);
    }
    .step-item:first-child::before {
        top: 50%;
    }
    .step-item:last-child::before {
        bottom: 50%;
    }
    .step-item__num {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        background: var(--primary);
        color: var(--accent);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 1.1rem;
        font-family: var(--font-number);
        position: relative;
        z-index: 1;
        border: 2px solid var(--accent);
    }
    .step-item__body {
        flex: 1;
        padding-top: 4px;
    }
    .step-item__title {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--primary);
        margin: 0 0 6px;
        line-height: 1.5;
    }
    .step-item__text {
        color: var(--text-muted);
        font-size: 0.95rem;
        line-height: 1.8;
        margin: 0;
    }
    .step-item__img {
        margin-top: var(--spacing-sm);
        border-radius: var(--radius-sm);
        overflow: hidden;
        max-width: 380px;
    }
    .step-item__img img {
        width: 100%;
        border-radius: var(--radius-sm);
    }
    /* 玩法类型卡片 */
    .play-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    .play-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    .play-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: var(--border-strong);
    }
    .play-card__img {
        height: 180px;
        overflow: hidden;
    }
    .play-card__img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition);
    }
    .play-card:hover .play-card__img img {
        transform: scale(1.04);
    }
    .play-card__body {
        padding: var(--spacing-md);
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .play-card__tag {
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--accent);
        text-transform: uppercase;
        letter-spacing: 0.06em;
    }
    .play-card__title {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--primary);
        margin: 0;
    }
    .play-card__desc {
        color: var(--text-muted);
        font-size: 0.9rem;
        line-height: 1.7;
        margin: 0;
    }
    /* 对照表 */
    .compare-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.92rem;
        background: var(--bg-card);
        border-radius: var(--radius-sm);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
    }
    .compare-table th {
        background: var(--primary);
        color: var(--bg);
        font-weight: 600;
        text-align: left;
        padding: 14px 16px;
        white-space: nowrap;
    }
    .compare-table td {
        padding: 12px 16px;
        border-bottom: 1px solid var(--border);
        color: var(--text);
        vertical-align: middle;
    }
    .compare-table tr:last-child td {
        border-bottom: none;
    }
    .compare-table tr:hover td {
        background: rgba(30,58,50,0.04);
    }
    /* FAQ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        overflow: hidden;
        transition: all var(--transition);
    }
    .faq-item[open] {
        border-left: 3px solid var(--accent);
        background: #FFFDF8;
    }
    .faq-item summary {
        cursor: pointer;
        padding: var(--spacing-md);
        font-weight: 600;
        font-size: 1rem;
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-sm);
        list-style: none;
        transition: color var(--transition);
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary::after {
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 0.8rem;
        color: var(--accent);
        transition: transform var(--transition);
        flex-shrink: 0;
    }
    .faq-item[open] summary::after {
        transform: rotate(180deg);
    }
    .faq-item summary:hover {
        color: var(--accent);
    }
    .faq-item__answer {
        padding: 0 var(--spacing-md) var(--spacing-md);
        color: var(--text-muted);
        font-size: 0.9rem;
        line-height: 1.8;
    }
    /* CTA */
    .cta-panel {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        border-radius: var(--radius-md);
        padding: var(--spacing-lg) var(--spacing-md);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }
    .cta-panel__text h3 {
        color: var(--bg);
        font-size: 1.4rem;
        font-weight: 700;
        margin: 0 0 8px;
    }
    .cta-panel__text p {
        color: rgba(248,245,238,0.7);
        font-size: 0.95rem;
        margin: 0;
        max-width: 500px;
    }
    .cta-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        background: var(--accent);
        color: var(--primary);
        border-radius: var(--radius-pill);
        font-weight: 700;
        font-size: 0.92rem;
        text-decoration: none;
        border: 1px solid transparent;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .cta-btn:hover {
        background: var(--accent-hover);
        color: var(--primary);
        text-decoration: none;
        border-color: var(--bg);
    }
    /* Footer */
    .site-footer {
        background: var(--dark);
        color: var(--bg);
        padding: var(--spacing-xl) 0 var(--spacing-md);
        margin-top: var(--spacing-xl);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.8fr 1fr 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.2rem;
        color: var(--bg);
        text-decoration: none;
        margin-bottom: var(--spacing-sm);
    }
    .footer-brand:hover {
        color: var(--accent);
        text-decoration: none;
    }
    .footer-desc {
        color: rgba(248,245,238,0.6);
        font-size: 0.88rem;
        line-height: 1.7;
        margin: 0;
    }
    .footer-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--accent);
        margin-bottom: var(--spacing-sm);
    }
    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .footer-links a {
        color: rgba(248,245,238,0.7);
        font-size: 0.88rem;
        text-decoration: none;
        transition: color var(--transition);
    }
    .footer-links a:hover {
        color: var(--accent);
        text-decoration: underline;
    }
    .footer-bottom {
        border-top: 1px solid rgba(248,245,238,0.1);
        padding-top: var(--spacing-md);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        font-size: 0.82rem;
        color: rgba(248,245,238,0.5);
    }
    .footer-legal {
        display: flex;
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }
    .footer-bottom a {
        color: rgba(248,245,238,0.6);
        text-decoration: none;
    }
    .footer-bottom a:hover {
        color: var(--accent);
        text-decoration: underline;
    }
    /* Responsive */
    @media (max-width: 1024px) {
        .play-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .page-hero h1 {
            font-size: 2rem;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 768px) {
        .nav-links {
            display: none;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 16px;
            right: 16px;
            background: rgba(30,58,50,0.96);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            gap: 8px;
            box-shadow: var(--shadow-hover);
        }
        .nav-links.open {
            display: flex;
        }
        .nav-links a {
            color: var(--bg);
            width: 100%;
            text-align: center;
            padding: 12px;
        }
        .nav-links a:hover {
            background: rgba(248,245,238,0.1);
            color: var(--accent);
        }
        .nav-links a.active {
            background: var(--accent);
            color: var(--primary);
        }
        .nav-toggle {
            display: inline-flex;
        }
        .nav-cta {
            display: none;
        }
        .page-hero h1 {
            font-size: 1.7rem;
        }
        .play-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .cta-panel {
            flex-direction: column;
            align-items: flex-start;
        }
        .step-item {
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        .step-item::before {
            left: 23px;
        }
        .step-item__num {
            width: 44px;
            height: 44px;
            font-size: 1rem;
        }
    }
    @media (max-width: 520px) {
        .nav-capsule {
            padding: 4px var(--spacing-sm);
        }
        .nav-brand {
            font-size: 1rem;
        }
        .page-hero {
            padding: var(--spacing-lg) 0;
        }
        .page-hero h1 {
            font-size: 1.5rem;
        }
        .page-hero__sub {
            font-size: 0.95rem;
        }
        .section {
            padding: var(--spacing-lg) 0;
        }
        .section__header h2 {
            font-size: 1.5rem;
        }
        .compare-table {
            font-size: 0.8rem;
        }
        .compare-table th, .compare-table td {
            padding: 8px 10px;
        }
    }