/* roulang page: index */
:root {
            --primary: #1F2922;
            --primary-soft: #2A3A31;
            --accent: #B58A4C;
            --accent-light: #D4AF6E;
            --bg: #F5F1E8;
            --card-bg: #FFFFFF;
            --border: #E5DED2;
            --text: #1A1E1B;
            --text-secondary: #5B625A;
            --warning: #B03A2E;
            --warning-bg: #FBEDEA;
            --success: #2E5E4B;
            --success-bg: #EAF2EE;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --shadow-card: 0 2px 10px rgba(31, 41, 34, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(31, 41, 34, 0.12);
            --container-max: 1200px;
            --spacing-section: 96px;
            --spacing-section-lg: 120px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        ul, ol {
            list-style: none;
        }

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

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

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

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: transparent;
            transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
            padding: 20px 0;
        }

        .site-header.scrolled {
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        .site-header:not(.scrolled) .logo {
            color: #fff;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: relative;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            inset: 4px;
            border: 1.5px solid var(--accent);
            border-radius: 50%;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            border-radius: 6px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .site-header:not(.scrolled) .main-nav a {
            color: #fff;
        }

        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }

        .main-nav a.active {
            background: rgba(181, 138, 76, 0.18);
            color: var(--accent-light);
            font-weight: 600;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-warning {
            background: transparent;
            color: var(--warning);
            border: 1.5px solid var(--warning);
        }

        .btn-warning:hover {
            background: var(--warning);
            color: #fff;
            border-color: var(--warning);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .site-header:not(.scrolled) .hamburger span {
            background: #fff;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary);
            z-index: 99;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a {
            display: block;
            padding: 14px 18px;
            font-size: 16px;
            color: #fff;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.04);
            transition: background var(--transition);
        }

        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-nav a.active {
            background: rgba(181, 138, 76, 0.2);
            color: var(--accent-light);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background-image: linear-gradient(rgba(31, 41, 34, 0.82), rgba(31, 41, 34, 0.88)), url('/assets/images/79c228d38adc4828.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.35;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.86);
            margin-bottom: 32px;
            max-width: 600px;
        }

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

        .hero-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 14px;
            padding: 28px;
        }

        .hero-panel-title {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 20px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .hero-metric {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            padding: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-metric-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.62);
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .hero-metric-value {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-light);
            font-variant-numeric: tabular-nums;
        }

        .hero-metric-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

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

        section + section {
            border-top: 1px solid var(--border);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-top: 12px;
            max-width: 720px;
            line-height: 1.8;
        }

        /* Risk bar */
        .risk-bar {
            background: var(--warning-bg);
            border-bottom: 1px solid #E8D0C8;
            padding: 12px 0;
        }

        .risk-bar-inner {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--warning);
            font-weight: 500;
        }

        .risk-bar-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            border: 2px solid var(--warning);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--warning);
        }

        /* Stats grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            transition: all var(--transition);
        }

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

        .stat-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            margin-bottom: 6px;
        }

        .stat-value.warning {
            color: var(--warning);
        }

        .stat-value.success {
            color: var(--success);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* Scheme matrix */
        .scheme-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }

        .scheme-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .scheme-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .scheme-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top: 3px solid var(--accent);
        }

        .scheme-name {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .scheme-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .badge {
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

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

        .badge-warning {
            background: var(--warning);
            color: #fff;
        }

        .badge-success {
            background: var(--success);
            color: #fff;
        }

        .scheme-details {
            display: grid;
            gap: 10px;
        }

        .scheme-detail-row {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            padding-bottom: 8px;
            border-bottom: 1px dashed var(--border);
        }

        .scheme-detail-row span:first-child {
            color: var(--text-secondary);
        }

        .scheme-detail-row span:last-child {
            font-weight: 600;
            color: var(--text);
            font-family: var(--font-mono);
            font-size: 13px;
        }

        .scheme-actions {
            margin-top: 16px;
            display: flex;
            gap: 10px;
        }

        .scheme-sidebar {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 28px;
            align-self: start;
        }

        .scheme-sidebar h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            margin-bottom: 14px;
            color: var(--accent-light);
        }

        .scheme-sidebar p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .scheme-sidebar .btn {
            width: 100%;
        }

        /* Strategy section */
        .strategy-layout {
            display: grid;
            grid-template-columns: 1fr 0.55fr;
            gap: 40px;
        }

        .strategy-featured {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .strategy-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .strategy-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
        }

        .strategy-card-body {
            padding: 20px;
        }

        .strategy-card-body h4 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .strategy-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .strategy-list {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .strategy-list h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            margin-bottom: 16px;
            color: var(--text);
        }

        .strategy-list-item {
            display: block;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: padding var(--transition);
        }

        .strategy-list-item:last-child {
            border-bottom: none;
        }

        .strategy-list-item h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.5;
            transition: color var(--transition);
        }

        .strategy-list-item:hover h5 {
            color: var(--accent);
        }

        .strategy-list-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .strategy-list-item time {
            font-size: 12px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
        }

        /* Risk school */
        .risk-school-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .risk-school-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .risk-school-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .risk-school-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            font-weight: 700;
        }

        .risk-school-card h4 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .risk-school-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Market review */
        .market-review {
            background: var(--primary);
            color: #fff;
        }

        .market-review .section-title {
            color: #fff;
        }

        .market-review .section-subtitle {
            color: rgba(255, 255, 255, 0.72);
        }

        .market-review-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .chart-placeholder {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-card);
            padding: 36px;
            text-align: center;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 14px;
        }

        .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 10px;
            width: 100%;
            max-width: 360px;
            height: 140px;
            justify-content: center;
        }

        .chart-bar {
            width: 28px;
            background: var(--accent);
            border-radius: 4px 4px 0 0;
            opacity: 0.8;
        }

        .chart-bar:nth-child(odd) {
            background: var(--accent-light);
        }

        .chart-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.58);
            letter-spacing: 0.04em;
        }

        .review-list {
            display: grid;
            gap: 16px;
        }

        .review-item {
            background: rgba(255, 255, 255, 0.06);
            border-left: 3px solid var(--accent);
            border-radius: 4px 8px 8px 4px;
            padding: 18px 20px;
        }

        .review-item time {
            font-family: var(--font-mono);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .review-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 6px 0;
            color: #fff;
        }

        .review-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
        }

        /* News / CMS */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .news-card-img {
            height: 170px;
            background-size: cover;
            background-position: center;
        }

        .news-card-body {
            padding: 20px;
        }

        .news-card-body h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.55;
            margin-bottom: 8px;
            color: var(--text);
        }

        .news-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--card-bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
        }

        .news-empty-icon {
            font-size: 48px;
            margin-bottom: 16px;
            color: var(--border);
        }

        .news-empty h4 {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .news-empty p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .section-footer {
            margin-top: 32px;
            display: flex;
            justify-content: center;
        }

        /* Fund flow */
        .fund-flow-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .fund-step {
            text-align: center;
            position: relative;
        }

        .fund-step:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -12px;
            top: 28px;
            width: 24px;
            height: 2px;
            background: var(--border);
        }

        .fund-step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: var(--success-bg);
            border: 2px solid var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--success);
            font-weight: 700;
            position: relative;
            z-index: 2;
        }

        .fund-step h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .fund-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Rules and fees */
        .rules-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .rules-block {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
        }

        .rules-block h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text);
        }

        .rules-list {
            display: grid;
            gap: 12px;
        }

        .rules-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .rules-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 8px;
            flex-shrink: 0;
        }

        .fee-list {
            display: grid;
            gap: 14px;
        }

        .fee-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px;
            background: var(--bg);
            border-radius: 6px;
            font-size: 14px;
        }

        .fee-item span:first-child {
            color: var(--text-secondary);
        }

        .fee-item span:last-child {
            font-weight: 600;
            color: var(--text);
            font-family: var(--font-mono);
            font-size: 13px;
        }

        /* Investor education */
        .investor-edu {
            background: var(--primary);
            color: #fff;
        }

        .investor-edu .section-title {
            color: #fff;
        }

        .investor-edu .section-subtitle {
            color: rgba(255, 255, 255, 0.72);
        }

        .risk-items {
            display: grid;
            gap: 14px;
            margin-bottom: 28px;
        }

        .risk-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            padding: 18px 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .risk-item-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(176, 58, 46, 0.3);
            border: 1.5px solid var(--warning);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #E8A090;
            font-weight: 700;
        }

        .risk-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .risk-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 12px;
            max-width: 800px;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg);
        }

        .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 14px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

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

        .topic-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            padding: 0;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .topic-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
        }

        .topic-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }

        .topic-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .topic-card-body .btn {
            align-self: flex-start;
        }

        /* Partners */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .partner-item {
            aspect-ratio: 1.4;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-align: center;
            padding: 8px;
            transition: all var(--transition);
        }

        .partner-item:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        /* Simulator */
        .simulator-section {
            background: var(--bg);
        }

        .simulator-layout {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: center;
        }

        .simulator-form {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .simulator-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        .simulator-form input {
            width: 100%;
            padding: 12px 14px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-input);
            font-size: 14px;
            color: var(--text);
            background: #fff;
            transition: border-color var(--transition);
            margin-bottom: 16px;
        }

        .simulator-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 41, 34, 0.08);
        }

        .simulator-form .btn {
            width: 100%;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: var(--spacing-section-lg) 0;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.76);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

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

        .cta-section .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .cta-section .btn-primary:hover {
            background: var(--accent-light);
            color: var(--primary);
            border-color: var(--accent-light);
        }

        .cta-section .btn-secondary {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .cta-section .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #161D18;
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.62);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.62);
            padding: 6px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            padding-top: 24px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.42);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-panel {
                max-width: 500px;
            }
            .scheme-layout {
                grid-template-columns: 1fr;
            }
            .scheme-sidebar {
                max-width: 420px;
            }
            .strategy-layout {
                grid-template-columns: 1fr;
            }
            .market-review-layout {
                grid-template-columns: 1fr;
            }
            .rules-layout {
                grid-template-columns: 1fr;
            }
            .simulator-layout {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 64px;
                --spacing-section-lg: 80px;
            }

            .main-nav {
                display: none;
            }
            .header-cta .btn {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero {
                padding: 110px 0 60px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .scheme-grid {
                grid-template-columns: 1fr;
            }
            .strategy-featured {
                grid-template-columns: 1fr;
            }
            .risk-school-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .fund-flow-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .fund-step:not(:last-child)::after {
                display: none;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .risk-school-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1F2922;
            --primary-soft: #2A3A31;
            --accent: #B58A4C;
            --accent-light: #D4AF6E;
            --bg: #F5F1E8;
            --card-bg: #FFFFFF;
            --border: #E5DED2;
            --text: #1A1E1B;
            --text-secondary: #5B625A;
            --warning: #B03A2E;
            --warning-bg: #FBEDEA;
            --success: #2E5E4B;
            --success-bg: #EAF2EE;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --shadow-card: 0 2px 10px rgba(31, 41, 34, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(31, 41, 34, 0.12);
            --container-max: 1200px;
            --spacing-section: 72px;
            --spacing-section-lg: 88px;
            --transition: 0.2s ease;
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --spacing-section-lg: 56px;
            }
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px 0;
            transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .logo:hover {
            color: var(--accent-light);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: relative;
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            inset: 4px;
            border: 1.5px solid var(--accent);
            border-radius: 50%;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 7px;
            height: 7px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-block;
            padding: 8px 13px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            border-radius: 6px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }
        .main-nav a.active {
            background: rgba(181, 138, 76, 0.2);
            color: var(--accent-light);
            font-weight: 600;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1.5;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-light);
            border-color: var(--accent-light);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-warning-outline {
            background: transparent;
            color: var(--warning);
            border: 1.5px solid var(--warning);
        }
        .btn-warning-outline:hover {
            background: var(--warning);
            color: #fff;
            border-color: var(--warning);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        /* Sections */
        section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: #FFFCF5;
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-dark p {
            color: rgba(255, 255, 255, 0.78);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.15em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.72);
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: #FFFCF5;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            margin-top: 0;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-list li:not(:last-child)::after {
            content: '/';
            color: #B8B0A2;
            font-size: 13px;
        }
        .breadcrumb-list a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-list a:hover {
            color: var(--accent);
        }
        .breadcrumb-list .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* Category Page Header */
        .category-header {
            padding: 40px 0 32px;
            background: #FFFCF5;
            border-bottom: 1px solid var(--border);
        }
        .category-header h1 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .category-header .cat-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        /* Category Intro */
        .cat-intro {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .cat-intro-text {
            flex: 1 1 500px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        .cat-intro-text strong {
            color: var(--primary);
            font-weight: 600;
        }
        .cat-intro-badge {
            flex: 0 0 auto;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top: 2px solid var(--accent);
        }
        .card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .card-title {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin: 0;
        }
        .card-title a {
            color: var(--text);
            transition: color var(--transition);
        }
        .card-title a:hover {
            color: var(--accent);
        }
        .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }
        .card-meta {
            font-size: 12px;
            color: #8A8F86;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            background: #EFEAE0;
        }
        .card-img-wrap img {
            transition: transform 0.4s ease;
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.03em;
            line-height: 1.5;
        }
        .badge-tag {
            background: #F5F1E8;
            color: var(--primary);
            border: 1px solid var(--border);
        }
        .badge-warning {
            background: var(--warning);
            color: #fff;
        }
        .badge-success {
            background: var(--success-bg);
            color: var(--success);
            border: 1px solid rgba(46, 94, 75, 0.2);
        }
        /* Featured wide card */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-top: 2px solid var(--accent);
        }
        .featured-img {
            min-height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .featured-body {
            padding: 28px 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            justify-content: center;
        }
        .featured-body .badge {
            align-self: flex-start;
        }
        .featured-body h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }
        .featured-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        /* Process steps */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .process-step {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-top: 2px solid var(--accent);
        }
        .process-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent-light);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 12px;
        }
        .process-step h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        /* List group */
        .list-group-custom {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .list-item-custom {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .list-item-custom:hover {
            box-shadow: var(--shadow-card-hover);
            border-left: 3px solid var(--accent);
        }
        .list-item-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--success-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--success);
        }
        .list-item-content {
            flex: 1;
        }
        .list-item-content h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }
        .list-item-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        /* Rules list */
        .rules-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rules-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .rules-item::before {
            content: '';
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 8px;
        }
        /* Risk note */
        .risk-note {
            background: var(--warning-bg);
            border-left: 4px solid var(--warning);
            border-radius: 6px;
            padding: 18px 20px;
            font-size: 14px;
            color: #8A2D22;
            line-height: 1.8;
        }
        .risk-note strong {
            color: var(--warning);
        }
        /* CTA area */
        .cta-area {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-area h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .cta-area p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }
        /* Info list (CMS) */
        .info-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .info-empty {
            text-align: center;
            padding: 48px 20px;
            background: var(--card-bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
            color: var(--text-secondary);
            font-size: 14px;
        }
        .info-empty-icon {
            font-size: 40px;
            color: #B8B0A2;
            margin-bottom: 12px;
        }
        /* Footer */
        .site-footer {
            background: #161D18;
            color: rgba(255, 255, 255, 0.78);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
        }
        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: var(--primary);
                padding: 12px 16px;
                border-radius: 0 0 8px 8px;
                gap: 2px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 12px;
            }
            .hamburger {
                display: flex;
            }
            .header-cta {
                margin-left: auto;
            }
            .header-cta .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .card-grid,
            .card-grid-2,
            .info-list {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-img {
                min-height: 180px;
            }
            .featured-body {
                padding: 20px;
            }
            .cta-area {
                padding: 28px 20px;
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cat-intro {
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
            .header-cta .btn-outline-light {
                display: none;
            }
            .header-inner {
                gap: 12px;
            }
            .logo {
                font-size: 16px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
            }
            .category-header h1 {
                font-size: 20px;
            }
            .section-title {
                font-size: 19px;
            }
            .card-body {
                padding: 16px;
            }
            .btn {
                padding: 10px 16px;
                font-size: 13px;
            }
        }
        /* Bootstrap override */
        .container {
            max-width: var(--container-max);
        }
        .btn:focus {
            box-shadow: 0 0 0 2px var(--accent);
        }

/* roulang page: article */
:root {
            --primary: #1F2922;
            --primary-soft: #2A3A31;
            --accent: #B58A4C;
            --accent-light: #D4AF6E;
            --bg: #F5F1E8;
            --card-bg: #FFFFFF;
            --border: #E5DED2;
            --text: #1A1E1B;
            --text-secondary: #5B625A;
            --warning: #B03A2E;
            --warning-bg: #FBEDEA;
            --success: #2E5E4B;
            --success-bg: #EAF2EE;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --shadow-card: 0 2px 10px rgba(31, 41, 34, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(31, 41, 34, 0.12);
            --container-max: 1200px;
            --spacing-section: 64px;
            --spacing-section-lg: 80px;
            --transition: 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 80px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px 0;
            transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: relative;
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            inset: 4px;
            border: 1.5px solid var(--accent);
            border-radius: 50%;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            border-radius: 6px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }
        .main-nav a.active {
            background: rgba(181, 138, 76, 0.18);
            color: var(--accent-light);
            font-weight: 600;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: #fff;
            color: var(--primary);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            border: 1.5px solid var(--accent);
        }
        .btn-accent:hover {
            background: transparent;
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            transition: var(--transition);
        }

        /* Section base */
        section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--card-bg);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .section-title.light {
            color: #fff;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .section-subtitle.light {
            color: rgba(255, 255, 255, 0.75);
        }

        /* Article Hero */
        .article-hero {
            background: var(--primary);
            color: #fff;
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(181, 138, 76, 0.12);
            pointer-events: none;
        }
        .article-hero-inner {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .article-hero .article-category {
            display: inline-block;
            background: rgba(181, 138, 76, 0.18);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: #fff;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }
        .article-summary {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
        }
        .article-hero-cover {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
        }
        .article-hero-cover img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 20px 0;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: '/';
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb li[aria-current] {
            color: var(--primary);
            font-weight: 600;
        }

        /* Article Content */
        .article-content-section {
            background: var(--bg);
            padding: 48px 0 64px;
        }
        .article-content-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 280px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 40px 48px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }
        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-top: 40px;
            margin-bottom: 16px;
            line-height: 1.45;
        }
        .article-body h2:first-child {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
            line-height: 1.5;
        }
        .article-body p {
            margin-bottom: 16px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: #F8F4EC;
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
        }
        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
            font-size: 14px;
        }
        .article-body th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .article-body tr:nth-child(even) td {
            background: #F8F4EC;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin: 16px 0;
        }
        .article-body li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-body img {
            border-radius: var(--radius-card);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body .content-not-found {
            text-align: center;
            padding: 48px 24px;
        }
        .article-body .content-not-found h2 {
            margin-top: 0;
            margin-bottom: 12px;
        }
        .article-body .content-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        /* Risk Note */
        .risk-note-section {
            padding: 0 0 48px;
            background: var(--bg);
        }
        .risk-note {
            background: var(--warning-bg);
            border-left: 4px solid var(--warning);
            padding: 18px 24px;
            border-radius: 0 10px 10px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .risk-note strong {
            color: var(--warning);
            white-space: nowrap;
        }
        .risk-note span {
            color: var(--warning);
            line-height: 1.7;
        }

        /* Related Articles */
        .related-section {
            background: var(--card-bg);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top: 2px solid var(--accent);
        }
        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .related-card .related-meta {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .related-empty {
            text-align: center;
            padding: 32px;
            color: var(--text-secondary);
            font-size: 15px;
        }

        /* Return Section */
        .return-section {
            background: var(--bg);
            padding: 48px 0;
            text-align: center;
        }
        .return-section .btn {
            margin: 0 8px;
        }

        /* Article CTA */
        .article-cta {
            background: var(--primary);
            color: #fff;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(181, 138, 76, 0.12);
        }
        .article-cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .article-cta h2 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .article-cta p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .article-cta .btn {
            margin: 0 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            padding: 6px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --spacing-section-lg: 72px;
            }
            .article-content-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-hero-cover img {
                height: 200px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }
            .site-header {
                padding: 10px 0;
            }
            .header-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
                gap: 0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-hero {
                padding: 48px 0 40px;
            }
            .article-body {
                padding: 28px 20px;
            }
            .article-body h2 {
                font-size: 21px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-cta h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .return-section .btn {
                display: flex;
                margin: 8px auto;
                max-width: 280px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-section: 40px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .article-hero h1 {
                font-size: 22px;
            }
            .article-summary {
                font-size: 14px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .risk-note {
                flex-direction: column;
                gap: 4px;
            }
            .risk-note strong {
                white-space: normal;
            }
            .article-cta .btn {
                display: flex;
                margin: 8px auto;
                max-width: 280px;
            }
            .article-cta h2 {
                font-size: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F2922;
            --primary-soft: #2A3A31;
            --accent: #B58A4C;
            --accent-light: #D4AF6E;
            --bg: #F5F1E8;
            --card-bg: #FFFFFF;
            --border: #E5DED2;
            --text: #1A1E1B;
            --text-secondary: #5B625A;
            --warning: #B03A2E;
            --warning-bg: #FBEDEA;
            --success: #2E5E4B;
            --success-bg: #EAF2EE;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --shadow-card: 0 2px 10px rgba(31, 41, 34, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(31, 41, 34, 0.12);
            --container-max: 1200px;
            --spacing-section: 80px;
            --spacing-section-lg: 100px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

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

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

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: transparent;
            transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
            padding: 20px 0;
        }

        .site-header.scrolled {
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        .site-header:not(.scrolled) .logo {
            color: #fff;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
        }

        .logo:hover {
            color: var(--accent-light);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: relative;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            inset: 4px;
            border: 1.5px solid var(--accent);
            border-radius: 50%;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            border-radius: 6px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .site-header:not(.scrolled) .main-nav a {
            color: #fff;
        }

        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }

        .main-nav a.active {
            background: rgba(181, 138, 76, 0.18);
            color: var(--accent-light);
            font-weight: 600;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.02em;
            white-space: nowrap;
            border: 1.5px solid transparent;
        }

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

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
        }

        .btn-warning {
            background: transparent;
            color: var(--warning);
            border-color: var(--warning);
        }

        .btn-warning:hover {
            background: var(--warning);
            color: #fff;
        }

        .header-cta .btn {
            padding: 9px 18px;
            font-size: 13px;
        }

        .site-header:not(.scrolled) .header-cta .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .site-header:not(.scrolled) .header-cta .btn-outline {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .site-header:not(.scrolled) .header-cta .btn-outline:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* Main layout */
        main {
            display: block;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background-color: #fff;
        }

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

        .section-title {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 760px;
            margin-bottom: 2.5rem;
        }

        .section-dark .section-title {
            color: var(--accent-light);
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .text-accent {
            color: var(--accent);
        }

        .text-warning {
            color: var(--warning);
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .badge-category {
            background: var(--bg);
            color: var(--primary);
            border: 1px solid var(--border);
        }

        .badge-warning {
            background: var(--warning);
            color: #fff;
        }

        .badge-success {
            background: var(--success-bg);
            color: var(--success);
        }

        /* Grid */
        .grid {
            display: grid;
            gap: 24px;
        }

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

        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .grid-5 {
            grid-template-columns: repeat(5, 1fr);
        }

        /* Page hero */
        .page-hero {
            position: relative;
            padding: 160px 0 80px;
            background-color: var(--primary);
            background-image: url('/assets/images/b0e01fc26498d8b9.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 41, 34, 0.92) 0%, rgba(31, 41, 34, 0.78) 100%);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            margin-bottom: 1.5rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .breadcrumb a {
            color: var(--accent-light);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb span {
            opacity: 0.6;
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #fff;
            line-height: 1.25;
        }

        .page-hero .hero-sub {
            font-size: 1.1rem;
            max-width: 720px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
        }

        /* Info section */
        .info-block {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .info-block h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .info-block p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.8;
        }

        /* Strategy cards */
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .strategy-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top: 3px solid var(--accent);
        }

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

        .strategy-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .strategy-card-body .badge {
            align-self: flex-start;
            margin-bottom: 0.75rem;
        }

        .strategy-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            line-height: 1.5;
        }

        .strategy-card-body h3 a {
            color: var(--text);
        }

        .strategy-card-body h3 a:hover {
            color: var(--accent);
        }

        .strategy-card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 1rem;
            flex: 1;
        }

        .strategy-card-body time {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-family: var(--font-mono);
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--card-bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
            color: var(--text-secondary);
        }

        /* Featured card */
        .featured-card {
            display: flex;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: box-shadow var(--transition), transform var(--transition);
            min-height: 320px;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .featured-card-img {
            flex: 1 1 45%;
            background-size: cover;
            background-position: center;
            min-height: 280px;
        }

        .featured-card-content {
            flex: 1 1 55%;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card-content .badge {
            align-self: flex-start;
            margin-bottom: 1rem;
        }

        .featured-card-content h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text);
        }

        .featured-card-content p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.8;
        }

        .featured-card-content .btn {
            align-self: flex-start;
        }

        /* Steps */
        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: left;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
            position: relative;
            height: 100%;
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent-light);
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text);
        }

        .step-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Risk warning */
        .risk-warning {
            background: var(--warning-bg);
            border-left: 5px solid var(--warning);
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            padding: 24px 28px;
            color: var(--warning);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .risk-warning strong {
            font-weight: 700;
        }

        /* CTA section */
        .cta-section {
            background-color: var(--primary);
            color: #fff;
            padding: var(--spacing-section-lg) 0;
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-light);
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.05rem;
            max-width: 680px;
            margin: 0 auto 2rem;
            color: rgba(255, 255, 255, 0.8);
        }

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

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            font-size: 0.95rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            color: var(--accent-light);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 10px;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-4,
            .grid-5 {
                grid-template-columns: repeat(2, 1fr);
            }

            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-card {
                flex-direction: column;
            }

            .featured-card-img {
                min-height: 220px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 64px;
                --spacing-section-lg: 80px;
            }

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

            .main-nav {
                order: 3;
                width: 100%;
                justify-content: center;
                gap: 2px;
            }

            .main-nav a {
                padding: 6px 10px;
                font-size: 13px;
            }

            .header-cta {
                margin-left: auto;
            }

            .page-hero {
                padding: 140px 0 60px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .grid-2,
            .grid-3,
            .grid-4,
            .grid-5 {
                grid-template-columns: 1fr;
            }

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

            .cta-section h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
            }

            .header-cta .btn {
                padding: 8px 14px;
                font-size: 12px;
            }

            .page-hero h1 {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .featured-card-content {
                padding: 24px;
            }

            .strategy-card-img {
                height: 160px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1F2922;
            --primary-soft: #2A3A31;
            --accent: #B58A4C;
            --accent-light: #D4AF6E;
            --bg: #F5F1E8;
            --card-bg: #FFFFFF;
            --border: #E5DED2;
            --text: #1A1E1B;
            --text-secondary: #5B625A;
            --warning: #B03A2E;
            --warning-bg: #FBEDEA;
            --success: #2E5E4B;
            --success-bg: #EAF2EE;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --radius-card: 10px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --shadow-card: 0 2px 10px rgba(31, 41, 34, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(31, 41, 34, 0.12);
            --container-max: 1200px;
            --spacing-section: 72px;
            --spacing-section-lg: 88px;
            --transition: 0.2s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-top: 76px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        h1, h2, h3, h4, h5, h6 {
            margin-top: 0;
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.35;
        }
        p {
            margin-top: 0;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: transparent;
            transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
            padding: 20px 0;
        }
        .site-header.scrolled {
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px 0;
        }
        .site-header.category-header-nav {
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--accent-light);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: relative;
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            inset: 4px;
            border: 1.5px solid var(--accent);
            border-radius: 50%;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            border-radius: 6px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }
        .main-nav a.active {
            background: rgba(181, 138, 76, 0.18);
            color: var(--accent-light);
            font-weight: 600;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1.5;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-warning-outline {
            background: #fff;
            color: var(--warning);
            border: 1.5px solid var(--warning);
        }
        .btn-warning-outline:hover {
            background: var(--warning);
            color: #fff;
            border-color: var(--warning);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        main {
            display: block;
        }
        section {
            padding: var(--spacing-section) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 0;
        }
        .bg-light-section {
            background: var(--bg);
        }
        .bg-white-section {
            background: #FFFFFF;
        }
        .bg-dark-section {
            background: var(--primary);
            color: #fff;
        }
        .bg-dark-section .section-title {
            color: #fff;
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .bg-dark-section .section-label {
            color: var(--accent-light);
        }
        /* 分类页头 */
        .category-hero {
            background: linear-gradient(135deg, #1F2922 0%, #2A3A31 55%, #3A4A41 100%);
            padding: 56px 0 52px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(181, 138, 76, 0.08);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(181, 138, 76, 0.05);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-cat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb-cat a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .breadcrumb-cat a:hover {
            color: var(--accent-light);
        }
        .breadcrumb-cat .separator {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb-cat .current {
            color: var(--accent-light);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        /* 卡片通用 */
        .card-base {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            height: 100%;
            overflow: hidden;
        }
        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-top: 2px solid var(--accent);
        }
        .card-body {
            padding: 24px 24px 28px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .badge-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 20px;
            background: rgba(31, 41, 34, 0.06);
            color: var(--primary);
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .badge-warning-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 20px;
            background: var(--warning-bg);
            color: var(--warning);
            letter-spacing: 0.03em;
        }
        /* 知识卡片网格 */
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .knowledge-card .card-body {
            display: flex;
            flex-direction: column;
        }
        .knowledge-card .card-link {
            margin-top: auto;
            padding-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }
        .knowledge-card .card-link:hover {
            color: var(--primary);
        }
        /* 置顶专题卡 */
        .featured-topic-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .featured-topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .featured-topic-card .ft-img {
            min-height: 320px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .featured-topic-card .ft-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .featured-topic-card .ft-content {
            padding: 36px 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-topic-card .ft-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .featured-topic-card .ft-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .featured-topic-card .ft-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        /* 流程步骤 */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .flow-step {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }
        .flow-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .flow-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .flow-step h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* 警示条 */
        .risk-warning-bar {
            background: var(--warning-bg);
            border-left: 4px solid var(--warning);
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .risk-warning-bar .warning-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--warning);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin-top: 2px;
        }
        .risk-warning-bar p {
            font-size: 14px;
            color: var(--warning);
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* 查看更多 */
        .view-more-section {
            text-align: center;
            padding: 40px 0 48px;
        }
        /* CTA */
        .cta-section {
            background: var(--primary);
            color: #fff;
            padding: 64px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cta-section .btn {
            margin: 0 8px;
        }
        .cta-section .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
        }
        .cta-section .btn-primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary);
        }
        /* 页脚 */
        .site-footer {
            background: #161C18;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand .logo {
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
            margin-bottom: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
        }
        .site-footer .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin-bottom: 0;
        }
        /* 移动端 */
        @media (max-width: 1024px) {
            .knowledge-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --spacing-section-lg: 60px;
            }
            body {
                padding-top: 64px;
            }
            .site-header,
            .site-header.category-header-nav {
                padding: 10px 0;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px 20px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                border-radius: 0 0 12px 12px;
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 16px;
                font-size: 15px;
                border-radius: 8px;
            }
            .header-cta .btn-warning-outline {
                display: none;
            }
            .header-cta .btn {
                padding: 9px 16px;
                font-size: 13px;
            }
            .category-hero {
                padding: 36px 0 36px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .featured-topic-card {
                grid-template-columns: 1fr;
            }
            .featured-topic-card .ft-img {
                min-height: 220px;
            }
            .featured-topic-card .ft-content {
                padding: 24px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .card-img {
                height: 160px;
            }
        }