/* roulang page: index */
:root {
            --color-primary: #0F3D3E;
            --color-primary-dark: #0A2E2F;
            --color-secondary: #C9A86A;
            --color-accent: #B23A36;
            --color-accent-dark: #962E2B;
            --color-bg: #F5F3EC;
            --color-card: #FFFFFF;
            --color-border: #E8E3D8;
            --color-text: #2A2D33;
            --color-text-light: #6B7280;
            --color-text-white: #FFFFFF;
            --color-up: #C0392B;
            --color-down: #0E7C66;
            --color-warning-bg: #FDECEA;
            --color-warning-text: #B23A36;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(27, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(27, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(27, 30, 36, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --font-sans: '思源黑体', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-serif: '思源宋体', 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
            --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Consolas', 'Courier New', monospace;
        }

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

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

        body {
            font-family: var(--font-serif);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-primary);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background-color: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 18px;
            font-family: var(--font-sans);
        }

        .logo-text {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
        }

        .main-nav a {
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 500;
            padding: var(--spacing-xs) 4px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a:focus-visible {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
        }

        .main-nav a.active {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
            font-weight: 600;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 32px;
            height: 28px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 110;
        }

        .hamburger span {
            width: 32px;
            height: 3px;
            background-color: var(--color-text-white);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }

        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }

        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) 0 var(--spacing-lg);
            background-color: var(--color-primary);
        }

        .mobile-menu a {
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 500;
            padding: var(--spacing-xs) 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: color 0.2s ease;
        }

        .mobile-menu a:hover {
            color: var(--color-secondary);
        }

        .mobile-menu a.active {
            color: var(--color-secondary);
            font-weight: 600;
        }

        /* Hero */
        .hero {
            position: relative;
            background-color: var(--color-primary);
            color: var(--color-text-white);
            padding: var(--spacing-xl) 0;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/0ad3cf618e795353.webp') center/cover no-repeat;
            opacity: 0.22;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(15, 61, 62, 0.55) 0%, rgba(15, 61, 62, 0.92) 100%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .hero-content {
            max-width: 580px;
        }

        .hero-badge {
            display: inline-block;
            background-color: rgba(201, 168, 106, 0.2);
            color: var(--color-secondary);
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(201, 168, 106, 0.35);
            margin-bottom: var(--spacing-md);
        }

        .hero h1 {
            font-family: var(--font-sans);
            font-size: 40px;
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

        .hero-subtitle {
            font-family: var(--font-serif);
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all 0.25s ease;
            text-align: center;
            min-width: 140px;
            cursor: pointer;
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-text-white);
            border: 1px solid var(--color-accent);
        }

        .btn-primary:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: var(--color-text-white);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-white);
            border: 1px solid rgba(255, 255, 255, 0.45);
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            transform: translateY(-1px);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            box-shadow: var(--shadow-sm);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            min-width: 160px;
        }

        /* Hero market card */
        .hero-market-card {
            background-color: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: var(--spacing-md);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-market-card h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-secondary);
            margin-bottom: var(--spacing-sm);
        }

        .market-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-xs) 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .market-row:last-child {
            border-bottom: none;
        }

        .market-name {
            font-family: var(--font-sans);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        .market-value {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-white);
        }

        .market-change {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .market-change.up {
            color: #F5A0A0;
            background-color: rgba(192, 57, 43, 0.25);
        }

        .market-change.down {
            color: #7FD8C5;
            background-color: rgba(14, 124, 102, 0.25);
        }

        /* Risk warning bar */
        .risk-bar {
            background-color: var(--color-warning-bg);
            border-top: 2px solid var(--color-accent);
            border-bottom: 2px solid var(--color-accent);
            padding: var(--spacing-sm) 0;
            text-align: center;
        }

        .risk-bar p {
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-warning-text);
            letter-spacing: 0.5px;
        }

        /* Sections */
        .section {
            padding: var(--spacing-xl) 0;
            background-color: var(--color-bg);
        }

        .section-alt {
            background-color: var(--color-card);
        }

        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-white);
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto var(--spacing-lg);
        }

        .section-header h2 {
            font-family: var(--font-sans);
            font-size: 30px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
        }

        .section-header p {
            font-family: var(--font-serif);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-light);
        }

        .section-dark .section-header h2 {
            color: var(--color-text-white);
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-alt .section-header h2 {
            color: var(--color-primary);
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            background-color: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .stat-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
            margin-bottom: var(--spacing-xs);
        }

        .stat-label {
            font-family: var(--font-sans);
            font-size: 14px;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .step-card {
            background-color: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .step-number {
            display: inline-block;
            background-color: var(--color-primary);
            color: var(--color-text-white);
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
        }

        .step-card h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .step-card p {
            font-family: var(--font-serif);
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* Table */
        .table-responsive {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            background-color: var(--color-card);
            box-shadow: var(--shadow-sm);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        table thead {
            background-color: var(--color-primary);
            color: var(--color-text-white);
        }

        table th {
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        table td {
            font-family: var(--font-serif);
            font-size: 15px;
            padding: 14px 16px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }

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

        table tbody tr:hover {
            background-color: rgba(201, 168, 106, 0.06);
        }

        .fee-note {
            font-family: var(--font-sans);
            font-size: 13px;
            color: var(--color-text-light);
            margin-top: var(--spacing-xs);
            font-style: italic;
        }

        /* Risk control grid */
        .risk-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .risk-item {
            background-color: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            border-left: 4px solid var(--color-secondary);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            border-left: 4px solid var(--color-secondary);
            transition: box-shadow 0.3s ease;
        }

        .risk-item:hover {
            box-shadow: var(--shadow-md);
        }

        .risk-item h3 {
            font-family: var(--font-sans);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .risk-item p {
            font-family: var(--font-serif);
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.65;
        }

        /* CMS News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .news-card {
            background-color: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-secondary);
            transform: translateY(-2px);
        }

        .news-card a {
            display: block;
            padding: var(--spacing-md);
            text-decoration: none;
        }

        .news-card h3 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-excerpt {
            font-family: var(--font-serif);
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-sm);
        }

        .news-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-family: var(--font-sans);
            font-size: 12px;
            font-weight: 600;
            background-color: rgba(15, 61, 62, 0.08);
            color: var(--color-primary);
            white-space: nowrap;
        }

        .news-card time {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-text-light);
            white-space: nowrap;
        }

        .empty-state {
            text-align: center;
            padding: var(--spacing-xl) 0;
            color: var(--color-text-light);
            font-family: var(--font-sans);
            font-size: 15px;
        }

        /* Category entrance */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .category-card {
            background-color: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .category-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .category-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .category-card-body p {
            font-family: var(--font-serif);
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }

        .category-link {
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }

        .category-link:hover {
            color: var(--color-accent-dark);
            gap: 10px;
        }

        /* Strategy list */
        .strategy-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .strategy-item {
            background-color: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            display: flex;
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .strategy-item img {
            width: 130px;
            min-width: 130px;
            object-fit: cover;
        }

        .strategy-item-content {
            padding: var(--spacing-sm) var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .strategy-item-content h3 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }

        .strategy-item-content p {
            font-family: var(--font-serif);
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-xs);
        }

        .strategy-item-meta {
            display: flex;
            gap: var(--spacing-xs);
            align-items: center;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background-color: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .faq-question {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            padding: var(--spacing-md);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            user-select: none;
            background-color: var(--color-card);
            border: none;
            width: 100%;
            text-align: left;
            transition: background-color 0.2s ease;
        }

        .faq-question:hover {
            background-color: rgba(201, 168, 106, 0.06);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-secondary);
            font-size: 20px;
            font-weight: 700;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 var(--spacing-md);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: var(--spacing-md);
        }

        .faq-answer p {
            font-family: var(--font-serif);
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* Case data */
        .case-data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .case-card {
            background-color: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .case-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
            margin-bottom: var(--spacing-xs);
        }

        .case-label {
            font-family: var(--font-sans);
            font-size: 14px;
            color: var(--color-text-light);
        }

        /* Trust badges */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .trust-card {
            background-color: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: background-color 0.3s ease;
        }

        .trust-card:hover {
            background-color: rgba(255, 255, 255, 0.12);
        }

        .trust-icon {
            display: inline-block;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(201, 168, 106, 0.25);
            color: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto var(--spacing-sm);
        }

        .trust-card h3 {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-white);
            margin-bottom: var(--spacing-xs);
        }

        .trust-card p {
            font-family: var(--font-serif);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        /* CTA Form */
        .cta-section {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            padding: var(--spacing-xl) 0;
        }

        .cta-wrapper {
            max-width: 620px;
            margin: 0 auto;
            background-color: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-lg);
        }

        .cta-wrapper h2 {
            font-family: var(--font-sans);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            text-align: center;
            margin-bottom: var(--spacing-sm);
        }

        .cta-wrapper p {
            font-family: var(--font-serif);
            font-size: 15px;
            color: var(--color-text-light);
            text-align: center;
            margin-bottom: var(--spacing-md);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full {
            grid-column: span 2;
        }

        .form-group label {
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .form-group input,
        .form-group select {
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid #D8D2C4;
            background-color: var(--color-card);
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-secondary);
            box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.2);
        }

        .form-group input::placeholder {
            color: #A0A5AD;
        }

        .form-submit {
            grid-column: span 2;
            margin-top: var(--spacing-xs);
        }

        .form-privacy {
            grid-column: span 2;
            font-family: var(--font-sans);
            font-size: 12px;
            color: var(--color-text-light);
            text-align: center;
            margin-top: var(--spacing-xs);
        }

        /* Disclaimer */
        .disclaimer-section {
            background-color: var(--color-bg);
            padding: var(--spacing-md) 0;
        }

        .disclaimer-box {
            background-color: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .disclaimer-box p {
            font-family: var(--font-serif);
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.65;
            flex: 1;
            min-width: 200px;
        }

        .disclaimer-links {
            display: flex;
            gap: var(--spacing-md);
            flex-shrink: 0;
        }

        .disclaimer-links a {
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-accent);
        }

        .disclaimer-links a:hover {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: var(--color-text-white);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-column h3 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-secondary);
            margin-bottom: var(--spacing-sm);
        }

        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.75);
            font-family: var(--font-sans);
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-column ul li a:hover {
            color: var(--color-secondary);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-brand .logo-text {
            font-size: 18px;
        }

        .footer-brand p {
            font-family: var(--font-serif);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-family: var(--font-sans);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--spacing-sm);
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .hero h1 {
                font-size: 34px;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: var(--spacing-lg) 0;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .hero {
                padding: var(--spacing-lg) 0;
            }

            .hero h1 {
                font-size: 26px;
                line-height: 1.35;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-market-card {
                padding: var(--spacing-sm);
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .category-grid {
                grid-template-columns: 1fr;
            }

            .strategy-list {
                grid-template-columns: 1fr;
            }

            .case-data-grid {
                grid-template-columns: 1fr;
            }

            .trust-grid {
                grid-template-columns: 1fr;
            }

            .form-grid {
                grid-template-columns: 1fr;
            }

            .form-group.full,
            .form-submit,
            .form-privacy {
                grid-column: span 1;
            }

            .disclaimer-box {
                flex-direction: column;
                text-align: center;
            }

            .disclaimer-links {
                flex-wrap: wrap;
                justify-content: center;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 519px) {
            :root {
                --spacing-xl: 40px;
                --spacing-lg: 32px;
                --spacing-md: 20px;
            }

            .container {
                padding: 0 14px;
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

            .mobile-menu[hidden] {
                display: none;
            }

            .hero h1 {
                font-size: 22px;
            }

            .hero .container {
                gap: var(--spacing-sm);
            }

            .hero-actions {
                flex-direction: column;
                gap: var(--spacing-xs);
            }

            .btn {
                width: 100%;
                min-width: 0;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .strategy-item {
                flex-direction: column;
            }

            .strategy-item img {
                width: 100%;
                min-width: 100%;
                height: 140px;
            }

            .cta-wrapper {
                padding: var(--spacing-md);
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .faq-question {
                font-size: 15px;
                padding: var(--spacing-sm) var(--spacing-md);
            }
        }

/* roulang page: article */
:root {
            --color-primary: #0F3D3E;
            --color-primary-dark: #0A2E2F;
            --color-secondary: #C9A86A;
            --color-accent: #B23A36;
            --color-accent-dark: #962E2B;
            --color-bg: #F5F3EC;
            --color-card: #FFFFFF;
            --color-border: #E8E3D8;
            --color-text: #2A2D33;
            --color-text-light: #6B7280;
            --color-text-white: #FFFFFF;
            --color-up: #C0392B;
            --color-down: #0E7C66;
            --color-warning-bg: #FDECEA;
            --color-warning-text: #B23A36;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(27, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(27, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(27, 30, 36, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --font-sans: '思源黑体', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-serif: '思源宋体', 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
            --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Consolas', 'Courier New', monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-serif);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-primary);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background-color: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 18px;
            font-family: var(--font-sans);
        }
        .logo-text {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 500;
            padding: var(--spacing-xs) 4px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
        }
        .main-nav a.active {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
            font-weight: 600;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 32px;
            height: 28px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 110;
        }
        .hamburger span {
            width: 32px;
            height: 3px;
            background-color: var(--color-text-white);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
            display: block;
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }
        /* Main layout */
        .article-main {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: var(--spacing-lg);
            align-items: start;
        }
        /* Breadcrumb */
        .breadcrumb-nav {
            grid-column: 1 / -1;
            font-family: var(--font-sans);
            font-size: 14px;
            color: var(--color-text-light);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb-nav a {
            color: var(--color-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-nav .sep {
            color: var(--color-border);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--color-text-light);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 360px;
        }
        /* Article header */
        .article-header {
            padding: var(--spacing-md) 0 var(--spacing-md);
            border-bottom: 1px solid var(--color-border);
            margin-bottom: var(--spacing-md);
        }
        .article-category-badge {
            display: inline-block;
            font-family: var(--font-sans);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            background-color: var(--color-primary);
            color: var(--color-text-white);
            margin-bottom: var(--spacing-sm);
        }
        .article-title {
            font-family: var(--font-sans);
            font-size: 34px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-sm);
            font-family: var(--font-sans);
            font-size: 14px;
            color: var(--color-text-light);
        }
        .article-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: var(--color-border);
            display: inline-block;
        }
        /* Article body */
        .article-body {
            font-family: var(--font-serif);
            font-size: 17px;
            line-height: 1.85;
            color: var(--color-text);
            padding-bottom: var(--spacing-md);
        }
        .article-body h2 {
            font-family: var(--font-sans);
            font-size: 24px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            padding-left: 14px;
            border-left: 4px solid var(--color-secondary);
        }
        .article-body h3 {
            font-family: var(--font-sans);
            font-size: 20px;
            line-height: 1.4;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-xs);
        }
        .article-body p {
            margin-bottom: var(--spacing-sm);
        }
        .article-body blockquote {
            background-color: var(--color-warning-bg);
            border-left: 4px solid var(--color-accent);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-warning-text);
            font-style: normal;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-md) 0;
            font-size: 15px;
            background: var(--color-card);
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }
        .article-body table th {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-weight: 600;
            padding: 10px 14px;
            text-align: left;
            font-size: 14px;
        }
        .article-body table td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
        }
        .article-body table tr:last-child td {
            border-bottom: none;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            margin-bottom: var(--spacing-sm);
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: var(--spacing-md) 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .article-cover {
            width: 100%;
            border-radius: var(--radius);
            margin: 0 0 var(--spacing-md);
            box-shadow: var(--shadow-md);
        }
        .article-empty {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            font-family: var(--font-sans);
            font-size: 18px;
            color: var(--color-text-light);
        }
        .article-empty a {
            display: inline-block;
            margin-top: var(--spacing-sm);
            font-weight: 600;
            color: var(--color-accent);
        }
        .article-empty a:hover {
            color: var(--color-accent-dark);
        }
        /* Inline risk tip */
        .inline-risk {
            background-color: var(--color-warning-bg);
            border: 1px solid #F3C1BD;
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-sm);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-md) 0;
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-warning-text);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-xs);
        }
        .inline-risk .risk-icon {
            font-size: 18px;
            line-height: 1.4;
            flex-shrink: 0;
        }
        /* Pager */
        .article-pager {
            display: flex;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }
        .article-pager a {
            font-family: var(--font-sans);
            font-size: 14px;
            color: var(--color-primary);
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all 0.2s ease;
            max-width: 48%;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-pager a:hover {
            border-color: var(--color-secondary);
            color: var(--color-accent);
            background: var(--color-card);
        }
        /* Related articles */
        .related-section {
            margin-top: var(--spacing-md);
        }
        .section-title {
            font-family: var(--font-sans);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-xs);
            border-bottom: 3px solid var(--color-secondary);
            display: inline-block;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: var(--spacing-md);
        }
        .related-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-secondary);
        }
        .related-card img {
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
        }
        .related-card-body {
            padding: var(--spacing-sm);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card-title {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-title a {
            color: var(--color-text);
        }
        .related-card-title a:hover {
            color: var(--color-accent);
        }
        .related-card-meta {
            font-family: var(--font-sans);
            font-size: 12px;
            color: var(--color-text-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
        }
        .related-card .badge-category {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
            background: var(--color-bg);
            color: var(--color-primary);
            font-weight: 600;
        }
        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            position: sticky;
            top: 90px;
        }
        .sidebar-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid var(--color-border);
            margin-bottom: var(--spacing-sm);
        }
        .sidebar-post-item {
            display: flex;
            gap: var(--spacing-xs);
            padding: var(--spacing-xs) 0;
            border-bottom: 1px dashed var(--color-border);
            align-items: flex-start;
        }
        .sidebar-post-item:last-child {
            border-bottom: none;
        }
        .sidebar-post-item .index-num {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.4;
            flex-shrink: 0;
            width: 24px;
            text-align: center;
        }
        .sidebar-post-item a {
            font-family: var(--font-sans);
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-post-item a:hover {
            color: var(--color-accent);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            font-family: var(--font-sans);
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--color-bg);
            color: var(--color-primary);
            border: 1px solid var(--color-border);
            transition: all 0.2s ease;
        }
        .tag-cloud a:hover {
            background: var(--color-primary);
            color: var(--color-text-white);
            border-color: var(--color-primary);
        }
        /* Bottom CTA */
        .cta-section {
            margin-top: var(--spacing-lg);
            background: var(--color-primary);
            border-radius: var(--radius);
            padding: var(--spacing-lg) var(--spacing-md);
            color: var(--color-text-white);
            background-image: url('/assets/images/0ad3cf618e795353.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 61, 62, 0.92) 0%, rgba(10, 46, 47, 0.88) 100%);
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
            align-items: center;
        }
        .cta-section h2 {
            font-family: var(--font-sans);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: var(--spacing-xs);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            font-size: 15px;
        }
        .cta-form {
            background: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-lg);
        }
        .cta-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }
        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .cta-form label {
            font-family: var(--font-sans);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
        }
        .cta-form input {
            height: 42px;
            border: 1px solid #D8D2C4;
            border-radius: var(--radius-sm);
            padding: 0 var(--spacing-sm);
            font-size: 15px;
            background: var(--color-card);
            color: var(--color-text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .cta-form input:focus {
            border-color: var(--color-secondary);
            box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.15);
            outline: none;
        }
        .btn-primary {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            transition: background-color 0.2s ease, transform 0.2s ease;
            width: 100%;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            color: var(--color-text-white);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .form-privacy {
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: var(--spacing-xs);
            text-align: center;
        }
        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-brand .logo-text {
            color: var(--color-text-white);
            font-size: 22px;
            display: inline-block;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-column h3 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: var(--spacing-sm);
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-column ul li {
            margin-bottom: 8px;
        }
        .footer-column ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-column ul a:hover {
            color: var(--color-secondary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: var(--spacing-sm);
            }
            .related-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
            .cta-section .cta-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
                width: 100%;
                padding: var(--spacing-sm) 0;
                background: var(--color-primary);
                border-top: 1px solid rgba(255, 255, 255, 0.15);
            }
            .main-nav.open {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .article-title {
                font-size: 26px;
            }
            .article-body {
                font-size: 16px;
            }
            .article-body table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
            .article-pager {
                flex-direction: column;
            }
            .article-pager a {
                max-width: 100%;
            }
            .cta-form .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 520px) {
            .article-title {
                font-size: 22px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb-nav .current {
                max-width: 180px;
            }
            .article-main {
                padding: var(--spacing-md) 0 var(--spacing-lg);
            }
            .cta-section {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .cta-form {
                padding: var(--spacing-sm);
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0F3D3E;
            --color-primary-dark: #0A2E2F;
            --color-secondary: #C9A86A;
            --color-accent: #B23A36;
            --color-accent-dark: #962E2B;
            --color-bg: #F5F3EC;
            --color-card: #FFFFFF;
            --color-border: #E8E3D8;
            --color-text: #2A2D33;
            --color-text-light: #6B7280;
            --color-text-white: #FFFFFF;
            --color-up: #C0392B;
            --color-down: #0E7C66;
            --color-warning-bg: #FDECEA;
            --color-warning-text: #B23A36;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(27, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(27, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(27, 30, 36, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --font-sans: '思源黑体', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-serif: '思源宋体', 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
            --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Consolas', 'Courier New', monospace;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-serif);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-primary);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .risk-topbar {
            background-color: #FEF2F0;
            color: var(--color-warning-text);
            font-size: 13px;
            padding: 6px 0;
            text-align: center;
            font-family: var(--font-sans);
            letter-spacing: 0.5px;
            border-bottom: 1px solid #F3D9D5;
        }
        .risk-topbar strong {
            font-weight: 600;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background-color: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 18px;
            font-family: var(--font-sans);
        }
        .logo-text {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
        }
        .main-nav a {
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 500;
            padding: var(--spacing-xs) 4px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
        }
        .main-nav a.active {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
            font-weight: 600;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 32px;
            height: 28px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 110;
        }
        .hamburger span {
            width: 32px;
            height: 3px;
            background-color: var(--color-text-white);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        /* Main sections */
        main {
            display: block;
        }
        section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background-color: var(--color-bg);
        }
        .section-white {
            background-color: var(--color-card);
        }
        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-white);
        }
        .section-title {
            font-family: var(--font-sans);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.35;
            letter-spacing: 0.5px;
        }
        .section-dark .section-title {
            color: var(--color-text-white);
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
            line-height: 1.7;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
            text-align: center;
            gap: var(--spacing-xs);
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-text-white);
        }
        .btn-primary:hover {
            background-color: var(--color-accent-dark);
            color: var(--color-text-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-light {
            background-color: transparent;
            color: var(--color-text-white);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            background-color: var(--color-text-white);
            color: var(--color-primary);
            border-color: var(--color-text-white);
        }

        /* Category Hero */
        .category-hero {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
        }
        .category-hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .category-hero-content h1 {
            font-family: var(--font-sans);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .category-hero-content .hero-desc {
            font-size: 17px;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-md);
            line-height: 1.7;
            max-width: 620px;
        }
        .category-hero-visual {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
        }
        .category-hero-visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        /* Steps */
        .open-steps {
            background-color: var(--color-card);
        }
        .steps-track {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .step-item {
            background-color: var(--color-bg);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-secondary);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: var(--color-secondary);
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }
        .step-item h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }
        .step-item p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* Requirements */
        .open-requirements {
            background-color: var(--color-bg);
        }
        .requirements-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .requirement-card {
            background-color: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            transition: all 0.3s ease;
        }
        .requirement-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-secondary);
        }
        .req-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background-color: rgba(201, 168, 106, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 22px;
            color: var(--color-primary);
        }
        .req-text h3 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .req-text p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* Fee Table */
        .fee-table-section {
            background-color: var(--color-card);
        }
        .table-wrapper {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .fee-table {
            width: 100%;
            border-collapse: collapse;
            font-family: var(--font-sans);
            font-size: 15px;
        }
        .fee-table thead {
            background-color: var(--color-primary);
            color: var(--color-text-white);
        }
        .fee-table th {
            padding: 14px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .fee-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            vertical-align: middle;
        }
        .fee-table tbody tr:nth-child(even) {
            background-color: #FAF9F6;
        }
        .fee-table tbody tr:hover {
            background-color: #F5F1E8;
        }
        .fee-table tbody tr:last-child td {
            border-bottom: none;
        }
        .fee-note {
            font-size: 13px;
            color: var(--color-text-light);
            margin-top: var(--spacing-sm);
            font-style: italic;
        }
        .table-responsive {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        /* FAQ */
        .faq-section {
            background-color: var(--color-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            transition: color 0.2s ease;
            gap: var(--spacing-sm);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-secondary);
            font-size: 20px;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* Risk banner */
        .risk-banner-section {
            padding: var(--spacing-md) 0;
            background-color: var(--color-warning-bg);
            border-top: 1px solid #F3D9D5;
            border-bottom: 1px solid #F3D9D5;
        }
        .risk-banner {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            color: var(--color-warning-text);
            font-size: 14px;
            line-height: 1.6;
        }
        .risk-banner-icon {
            font-size: 24px;
            flex-shrink: 0;
            line-height: 1;
            margin-top: 2px;
        }

        /* CTA Form */
        .cta-section {
            background-color: var(--color-primary);
            color: var(--color-text-white);
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .cta-info h2 {
            font-family: var(--font-sans);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            line-height: 1.35;
        }
        .cta-info p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.7;
        }
        .cta-form-card {
            background-color: var(--color-card);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-lg);
        }
        .cta-form-card h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: var(--spacing-md);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-family: var(--font-sans);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
        }
        .form-group input,
        .form-group select {
            padding: 12px 14px;
            border: 1px solid #D8D2C4;
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--color-text);
            background-color: var(--color-card);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            width: 100%;
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-secondary);
            box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.2);
            outline: none;
        }
        .captcha-row {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }
        .captcha-row input {
            flex: 1;
        }
        .captcha-img {
            width: 110px;
            height: 44px;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 4px;
            flex-shrink: 0;
            user-select: none;
            cursor: pointer;
        }
        .form-submit {
            margin-top: var(--spacing-sm);
            width: 100%;
            padding: 14px 0;
            background-color: var(--color-accent);
            color: var(--color-text-white);
            border-radius: var(--radius-sm);
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 1px;
            transition: all 0.25s ease;
        }
        .form-submit:hover {
            background-color: var(--color-accent-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .form-privacy {
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: var(--spacing-xs);
            text-align: center;
        }

        /* Bottom Help */
        .bottom-help-section {
            background-color: var(--color-bg);
            padding: var(--spacing-lg) 0;
        }
        .bottom-help-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .bottom-help-inner .btn {
            font-size: 14px;
            padding: 10px 22px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: var(--color-text-white);
            padding: var(--spacing-xl) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-column h3 {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-secondary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 1px;
        }
        .footer-column ul {
            list-style: none;
        }
        .footer-column ul li {
            margin-bottom: 8px;
        }
        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-column ul li a:hover {
            color: var(--color-secondary);
            text-decoration: underline;
        }
        .footer-brand .logo-text {
            color: var(--color-text-white);
            font-size: 20px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.7;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--color-secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero-inner {
                grid-template-columns: 1fr;
            }
            .category-hero-visual {
                max-height: 240px;
            }
            .category-hero-visual img {
                height: 240px;
            }
            .steps-track {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-lg: 32px;
                --spacing-md: 20px;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                padding: var(--spacing-md) var(--spacing-lg);
                gap: var(--spacing-sm);
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
                z-index: 105;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 16px;
                padding: 10px 0;
                border-bottom: none;
                width: 100%;
            }
            .main-nav a.active {
                border-bottom: none;
                border-left: 3px solid var(--color-secondary);
                padding-left: var(--spacing-sm);
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero-content h1 {
                font-size: 26px;
            }
            .requirements-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-xl: 32px;
                --spacing-lg: 24px;
                --spacing-md: 16px;
                --spacing-sm: 12px;
            }
            .steps-track {
                grid-template-columns: 1fr;
            }
            .category-hero-content h1 {
                font-size: 22px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .fee-table th,
            .fee-table td {
                padding: 10px 14px;
                font-size: 13px;
            }
            .bottom-help-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .bottom-help-inner .btn {
                width: 100%;
            }
            .cta-form-card {
                padding: var(--spacing-md);
            }
            .logo-text {
                font-size: 17px;
                letter-spacing: 0.5px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0F3D3E;
            --color-primary-dark: #0A2E2F;
            --color-secondary: #C9A86A;
            --color-accent: #B23A36;
            --color-accent-dark: #962E2B;
            --color-bg: #F5F3EC;
            --color-card: #FFFFFF;
            --color-border: #E8E3D8;
            --color-text: #2A2D33;
            --color-text-light: #6B7280;
            --color-text-white: #FFFFFF;
            --color-up: #C0392B;
            --color-down: #0E7C66;
            --color-warning-bg: #FDECEA;
            --color-warning-text: #B23A36;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(27, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(27, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(27, 30, 36, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --font-sans: '思源黑体', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-serif: '思源宋体', 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
            --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Consolas', 'Courier New', monospace;
        }

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

        body {
            font-family: var(--font-serif);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-primary);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background-color: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 18px;
            font-family: var(--font-sans);
        }

        .logo-text {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 500;
            padding: var(--spacing-xs) 4px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a:focus-visible {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
        }

        .main-nav a.active {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
            font-weight: 600;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 32px;
            height: 28px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 110;
        }

        .hamburger span {
            width: 32px;
            height: 3px;
            background-color: var(--color-text-white);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }

        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }

        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        /* Buttons */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-xs);
            background-color: var(--color-accent);
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-accent);
            transition: background-color 0.25s ease, border-color 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus-visible {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: var(--color-text-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-xs);
            background-color: transparent;
            color: var(--color-primary);
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            padding: 13px 31px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-primary);
            transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-secondary-custom:hover,
        .btn-secondary-custom:focus-visible {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            border-color: var(--color-primary);
            transform: translateY(-1px);
        }

        /* Section base */
        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-alt {
            background-color: var(--color-card);
        }

        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-white);
        }

        .section-title {
            font-family: var(--font-sans);
            font-size: 28px;
            font-weight: 700;
            line-height: 32px;
            color: var(--color-text);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

        .section-dark .section-title {
            color: var(--color-text-white);
        }

        .section-lead {
            font-size: 16px;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: var(--spacing-md);
        }

        .section-dark .section-lead {
            color: rgba(255, 255, 255, 0.8);
        }

        /* Table styles */
        .table-responsive-custom {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin-bottom: var(--spacing-md);
        }

        .table-custom {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background-color: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            font-family: var(--font-sans);
            font-size: 15px;
            min-width: 720px;
        }

        .table-custom thead th {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-weight: 600;
            font-size: 14px;
            padding: 16px 18px;
            text-align: left;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .table-custom tbody td {
            padding: 15px 18px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            vertical-align: middle;
        }

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

        .table-custom tbody tr:hover td {
            background-color: #FAF8F3;
        }

        .table-custom .highlight-cell {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--color-primary);
        }

        .table-custom .fee-cell {
            font-family: var(--font-mono);
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Card base */
        .card-custom {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-md);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-secondary);
        }

        .card-title {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
        }

        .card-text {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: var(--spacing-xs);
        }

        /* Badge */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 20px;
            font-family: var(--font-sans);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .badge-warning {
            background-color: var(--color-warning-bg);
            color: var(--color-warning-text);
            border: 1px solid #F3C1BC;
        }

        .badge-info {
            background-color: #E9F2EF;
            color: var(--color-primary);
            border: 1px solid #C5DAD6;
        }

        .badge-gold {
            background-color: #FAF3E6;
            color: #8B6F3B;
            border: 1px solid #E8D9B8;
        }

        /* H1 zone */
        .hero-cat {
            background-color: var(--color-primary);
            padding: 56px 0 48px;
            background-image: url('/assets/images/c3fbe7671f898099.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
        }

        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background-color: rgba(10, 46, 47, 0.82);
        }

        .hero-cat .container {
            position: relative;
            z-index: 2;
        }

        .hero-cat-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .hero-cat-content {
            flex: 1 1 480px;
            min-width: 300px;
        }

        .hero-cat-image {
            flex: 0 0 320px;
            max-width: 320px;
            border-radius: var(--radius);
            overflow: hidden;
            border: 2px solid var(--color-secondary);
            box-shadow: var(--shadow-lg);
        }

        .hero-cat-image img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .hero-cat h1 {
            font-family: var(--font-sans);
            font-size: 36px;
            font-weight: 700;
            line-height: 44px;
            color: var(--color-text-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 1px;
        }

        .hero-cat .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 0;
        }

        /* Risk bar */
        .risk-bar {
            background-color: var(--color-warning-bg);
            border: 1px solid #F3C1BC;
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-sm);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-warning-text);
            line-height: 1.6;
        }

        /* Product cards */
        .product-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-md);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .product-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-secondary);
        }

        .product-card .product-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background-color: var(--color-secondary);
            color: var(--color-primary);
            font-family: var(--font-sans);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .product-card .product-name {
            font-family: var(--font-sans);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .product-card ul {
            list-style: none;
            padding: 0;
            margin: var(--spacing-xs) 0 0;
        }

        .product-card ul li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--color-text);
            border-bottom: 1px dashed var(--color-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
        }

        .product-card ul li:last-child {
            border-bottom: none;
        }

        .product-card ul li span:first-child {
            color: var(--color-text-light);
            flex-shrink: 0;
        }

        .product-card ul li span:last-child {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--color-text);
            text-align: right;
        }

        /* Number list */
        .numbered-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: rule-counter;
        }

        .numbered-list li {
            position: relative;
            padding: 18px 20px 18px 64px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            counter-increment: rule-counter;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .numbered-list li:hover {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-sm);
        }

        .numbered-list li::before {
            content: counter(rule-counter, decimal-leading-zero);
            position: absolute;
            left: 16px;
            top: 18px;
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-secondary);
            background-color: var(--color-primary);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-white);
            font-size: 14px;
        }

        .numbered-list li strong {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
            margin-bottom: 4px;
        }

        .numbered-list li p {
            margin: 0;
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* Persona cards */
        .persona-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            height: 100%;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .persona-card:hover {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-sm);
        }

        .persona-card .persona-title {
            font-family: var(--font-sans);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .persona-card .persona-title .icon-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-secondary);
            display: inline-block;
            flex-shrink: 0;
        }

        .persona-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA section */
        .cta-section {
            background-color: var(--color-primary-dark);
            padding: var(--spacing-lg) 0;
            position: relative;
            background-image: url('/assets/images/058197fdcb1ff8d6.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-color: rgba(10, 46, 47, 0.88);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            align-items: center;
            justify-content: space-between;
        }

        .cta-content h2 {
            font-family: var(--font-sans);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: var(--spacing-xs);
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin: 0;
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            font-family: var(--font-sans);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo-text {
            font-size: 22px;
            display: block;
            margin-bottom: var(--spacing-xs);
        }

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

        .footer-column h3 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

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

        .footer-column ul li {
            margin-bottom: var(--spacing-xs);
        }

        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-column ul li a:hover {
            color: var(--color-secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .footer-bottom a {
            color: var(--color-secondary);
            font-size: 14px;
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-cat {
                padding: 48px 0 40px;
                min-height: auto;
            }

            .hero-cat h1 {
                font-size: 30px;
                line-height: 38px;
            }

            .hero-cat-image {
                flex: 0 0 260px;
                max-width: 260px;
            }

            .hero-cat-image img {
                height: 200px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-lg: 32px;
                --spacing-md: 20px;
                --spacing-sm: 12px;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 24px;
                line-height: 30px;
            }

            .hero-cat {
                padding: 36px 0 32px;
            }

            .hero-cat h1 {
                font-size: 26px;
                line-height: 34px;
            }

            .hero-cat .hero-desc {
                font-size: 15px;
            }

            .hero-cat-image {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background-color: var(--color-primary);
                flex-direction: column;
                align-items: flex-start;
                padding: 80px var(--spacing-md) var(--spacing-md);
                gap: var(--spacing-sm);
                transition: right 0.3s ease;
                box-shadow: -4px 0 16px rgba(0, 0, 0, 0.25);
                z-index: 90;
            }

            .main-nav[data-open="true"] {
                right: 0;
            }

            .main-nav a {
                font-size: 17px;
                padding: var(--spacing-xs) 0;
                width: 100%;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn-primary-custom,
            .cta-actions .btn-secondary-custom {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }

            .hero-cat h1 {
                font-size: 22px;
                line-height: 30px;
            }

            .section-title {
                font-size: 21px;
                line-height: 27px;
            }

            .btn-primary-custom,
            .btn-secondary-custom {
                font-size: 15px;
                padding: 12px 24px;
                width: 100%;
            }

            .product-card {
                padding: var(--spacing-sm);
            }

            .numbered-list li {
                padding: 14px 16px 14px 50px;
            }

            .numbered-list li::before {
                left: 10px;
                width: 30px;
                height: 30px;
                font-size: 12px;
                top: 14px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0F3D3E;
            --color-primary-dark: #0A2E2F;
            --color-secondary: #C9A86A;
            --color-accent: #B23A36;
            --color-accent-dark: #962E2B;
            --color-bg: #F5F3EC;
            --color-card: #FFFFFF;
            --color-border: #E8E3D8;
            --color-text: #2A2D33;
            --color-text-light: #6B7280;
            --color-text-white: #FFFFFF;
            --color-up: #C0392B;
            --color-down: #0E7C66;
            --color-warning-bg: #FDECEA;
            --color-warning-text: #B23A36;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(27, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(27, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(27, 30, 36, 0.18);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --font-sans: '思源黑体', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-serif: '思源宋体', 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
            --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Consolas', 'Courier New', monospace;
        }

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

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

        body {
            font-family: var(--font-serif);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-secondary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: var(--color-primary);
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-primary);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background-color: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 18px;
            font-family: var(--font-sans);
        }
        .logo-text {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
        }
        .main-nav a {
            color: var(--color-text-white);
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 500;
            padding: var(--spacing-xs) 4px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
        }
        .main-nav a.active {
            color: var(--color-secondary);
            border-bottom-color: var(--color-secondary);
            font-weight: 600;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 32px;
            height: 28px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 110;
        }
        .hamburger span {
            width: 32px;
            height: 3px;
            background-color: var(--color-text-white);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        /* Main */
        main {
            min-height: 60vh;
        }
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-white);
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-family: var(--font-sans);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }
        .section-header p {
            font-size: 16px;
            color: var(--color-text-light);
            max-width: 720px;
        }

        /* Category H1 zone */
        .category-hero {
            background-color: var(--color-primary);
            color: var(--color-text-white);
            padding: var(--spacing-lg) 0;
            border-bottom: 4px solid var(--color-secondary);
        }
        .category-hero h1 {
            font-family: var(--font-sans);
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
        }
        .category-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 760px;
            margin-bottom: 0;
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-md);
            transition: box-shadow 0.3s ease, transform 0.2s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .card h3 {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }
        .card p {
            color: var(--color-text-light);
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .metric-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: var(--color-text-light);
            margin-top: var(--spacing-xs);
        }
        .metric-card .metric-trend {
            font-size: 13px;
            margin-top: 4px;
        }
        .metric-trend.up {
            color: var(--color-up);
        }
        .metric-trend.down {
            color: var(--color-down);
        }

        /* List */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .post-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: var(--spacing-sm) var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .post-item:hover {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-sm);
        }
        .post-item .post-title {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .post-item a {
            color: var(--color-text);
            text-decoration: none;
        }
        .post-item a:hover {
            color: var(--color-primary);
        }
        .post-meta {
            font-size: 13px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
        }
        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-family: var(--font-sans);
            background-color: var(--color-secondary);
            color: var(--color-primary);
            font-weight: 500;
            white-space: nowrap;
        }
        .badge-outline {
            background-color: transparent;
            border: 1px solid var(--color-secondary);
            color: var(--color-primary);
        }

        /* Table */
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            background: #fff;
        }
        .table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            min-width: 700px;
        }
        .table th {
            background-color: var(--color-primary);
            color: #fff;
            font-family: var(--font-sans);
            font-weight: 600;
            padding: var(--spacing-sm) var(--spacing-md);
            text-align: left;
            white-space: nowrap;
        }
        .table td {
            padding: var(--spacing-sm) var(--spacing-md);
            border-bottom: 1px solid var(--color-border);
            vertical-align: middle;
        }
        .table tbody tr:hover {
            background-color: #F8F6F0;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            font-family: var(--font-sans);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            text-align: center;
            transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
            text-decoration: none;
            cursor: pointer;
            border: 1px solid transparent;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-accent-dark);
            color: #fff;
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
        }
        .btn-light {
            background-color: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }
        .btn-light:hover {
            background-color: #f0ede4;
            color: var(--color-primary);
        }

        /* Risk strip */
        .risk-strip {
            background-color: var(--color-warning-bg);
            border-left: 4px solid var(--color-warning-text);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: var(--radius-sm);
            color: var(--color-warning-text);
            font-size: 14px;
            margin: var(--spacing-md) 0;
            font-family: var(--font-sans);
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 26px;
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: rgba(255,255,255,0.85);
            margin-bottom: var(--spacing-md);
        }
        .cta-section .btn-group {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Chart placeholder */
        .chart-placeholder {
            background: #F0EDE6;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            color: var(--color-text-light);
            font-size: 14px;
        }
        .chart-placeholder img {
            max-height: 260px;
            margin: 0 auto var(--spacing-sm);
            border-radius: var(--radius-sm);
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-column h3 {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-column ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-column li {
            margin-bottom: var(--spacing-xs);
        }
        .footer-column a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-column a:hover {
            color: var(--color-secondary);
        }
        .footer-brand .logo-text {
            font-size: 22px;
            display: block;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 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: 13px;
        }
        .footer-bottom a {
            color: var(--color-secondary);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --spacing-xl: 40px;
                --spacing-lg: 32px;
                --spacing-md: 20px;
            }
            .header-inner {
                flex-wrap: nowrap;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--color-primary);
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
                box-shadow: 0 12px 24px rgba(0,0,0,0.2);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: var(--spacing-xs) 0;
                border-bottom: 1px solid rgba(255,255,255,0.15);
            }
            .hamburger {
                display: flex;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .cta-section {
                padding: var(--spacing-md);
            }
            .post-item {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 519px) {
            .section {
                padding: 32px 0;
            }
            .category-hero {
                padding: 32px 0;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .metric-card .metric-value {
                font-size: 26px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }