/* roulang page: index */
:root {
            --c-primary: #0E3B2E;
            --c-primary-2: #145244;
            --c-accent: #C9A96A;
            --c-accent-2: #B8893B;
            --c-bg: #F7F5F0;
            --c-surface: #FFFFFF;
            --c-text: #1A1F1C;
            --c-text-2: #4F5A54;
            --c-text-3: #7A847E;
            --c-line: #E5E2D8;
            --c-danger: #A33A32;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "PingFang SC", monospace;
            --shadow-sm: 0 2px 12px rgba(14, 59, 46, 0.06);
            --shadow-md: 0 8px 28px rgba(14, 59, 46, 0.12);
            --shadow-accent: 0 4px 14px rgba(184, 137, 59, 0.35);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-pad: 72px;
            --section-pad-mobile: 48px;
            --transition-base: all 0.25s 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: 15px;
            line-height: 1.85;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        a {
            color: var(--c-primary-2);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--c-accent-2);
        }

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

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
        }

        input, select, textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-accent);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

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

        .brand-logo {
            width: 40px;
            height: 40px;
            border: 2px solid var(--c-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.05em;
            line-height: 1.2;
            text-align: center;
            flex-shrink: 0;
        }

        .brand-name {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin-left: 8px;
        }

        .nav-menu li a {
            display: block;
            color: #FFFFFF;
            font-size: 15px;
            padding: 0 18px;
            line-height: var(--nav-height);
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }

        .nav-menu li a:hover {
            color: var(--c-accent);
            background: rgba(201, 169, 106, 0.08);
        }

        .nav-menu li a.active {
            color: var(--c-accent);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--c-accent);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            border: 1.5px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .btn-primary {
            background-color: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }

        .btn-primary:hover {
            background-color: var(--c-accent-2);
            border-color: var(--c-accent-2);
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
            color: #1A1F1C;
        }

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

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

        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid var(--c-accent);
        }

        .btn-outline-light:hover {
            background: var(--c-accent);
            color: #1A1F1C;
        }

        .btn-dark {
            background: var(--c-primary);
            color: #FFFFFF;
            border-color: var(--c-primary);
        }

        .btn-dark:hover {
            background: var(--c-primary-2);
            border-color: var(--c-primary-2);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(14, 59, 46, 0.3);
            color: #FFFFFF;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--c-primary);
            border: 1.5px solid var(--c-primary);
        }

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

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 26px;
            border-radius: 8px;
            border: 1px solid rgba(201, 169, 106, 0.4);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(201, 169, 106, 0.12);
            color: var(--c-accent);
        }

        /* ========== Hero 首屏 ========== */
        .hero {
            padding-top: var(--nav-height);
            background: linear-gradient(160deg, #0E3B2E 0%, #145244 100%);
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--c-accent);
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding-top: 64px;
            padding-bottom: 56px;
        }

        .hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-points {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            list-style: none;
        }

        .hero-points li {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
        }

        .hero-points li::before {
            content: '◆';
            color: var(--c-accent);
            font-size: 10px;
        }

        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-image-wrapper {
            position: relative;
            aspect-ratio: 4/3;
            border-radius: var(--radius-card);
            overflow: hidden;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(201, 169, 106, 0.25);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(201, 169, 106, 0.2);
            border-radius: var(--radius-card);
            padding: 16px 14px;
            text-align: center;
        }

        .hero-stat .stat-number {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 24px;
            color: var(--c-accent);
            line-height: 1.3;
        }

        .hero-stat .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }

        /* ========== 数据指标条 ========== */
        .stats-bar {
            background-color: var(--c-surface);
            border-top: 1px solid var(--c-line);
            border-bottom: 1px solid var(--c-line);
            padding: 36px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 8px 12px;
        }

        .stat-item .stat-value {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 32px;
            color: var(--c-accent);
            line-height: 1.3;
        }

        .stat-item .stat-name {
            font-size: 14px;
            color: var(--c-text-2);
            margin-top: 4px;
        }

        /* ========== Section 通用 ========== */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--c-text);
            letter-spacing: 0.01em;
        }

        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary-2);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--c-accent);
            white-space: nowrap;
        }

        .section-more:hover {
            color: var(--c-accent-2);
            text-decoration-color: var(--c-primary);
        }

        .bg-white {
            background-color: var(--c-surface);
        }

        .bg-warm {
            background-color: #F1EDE4;
        }

        .bg-dark-green {
            background-color: var(--c-primary);
            color: #FFFFFF;
        }

        /* ========== 产品卡片 ========== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .product-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: var(--transition-base);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

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

        .product-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: rgba(201, 169, 106, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent-2);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .product-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--c-text);
            transition: var(--transition-base);
        }

        .product-card:hover h3 {
            color: var(--c-primary-2);
        }

        .product-card p {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary-2);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--c-accent);
            transition: var(--transition-base);
            align-self: flex-start;
        }

        .card-link:hover {
            color: var(--c-accent-2);
            text-decoration-color: var(--c-primary);
        }

        /* ========== 免息配资专区 ========== */
        .interest-free-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: start;
        }

        .interest-free-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--c-text);
        }

        .interest-free-text p {
            font-size: 15px;
            color: var(--c-text-2);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .interest-free-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .if-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            text-align: center;
            transition: var(--transition-base);
        }

        .if-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-sm);
        }

        .if-card .if-icon {
            font-size: 24px;
            color: var(--c-accent-2);
            margin-bottom: 8px;
            display: block;
        }

        .if-card .if-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 4px;
        }

        .if-card .if-desc {
            font-size: 12px;
            color: var(--c-text-3);
            line-height: 1.6;
        }

        /* ========== 流程 ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            padding: 16px 12px;
            position: relative;
        }

        .process-step .step-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            color: var(--c-accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .process-step .step-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 4px;
        }

        .process-step .step-desc {
            font-size: 13px;
            color: var(--c-text-2);
            line-height: 1.6;
        }

        /* ========== 风控体系 ========== */
        .risk-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: center;
        }

        .risk-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--c-text);
        }

        .risk-text p {
            font-size: 15px;
            color: var(--c-text-2);
            line-height: 1.8;
        }

        .risk-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .risk-card {
            background: var(--c-bg);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            transition: var(--transition-base);
        }

        .risk-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-sm);
        }

        .risk-card .rc-icon {
            font-size: 22px;
            color: var(--c-accent-2);
            display: block;
            margin-bottom: 8px;
        }

        .risk-card .rc-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 4px;
        }

        .risk-card .rc-desc {
            font-size: 12px;
            color: var(--c-text-3);
            line-height: 1.5;
        }

        /* ========== 配资计算器 ========== */
        .calculator-section {
            padding: var(--section-pad) 0;
            background-color: var(--c-primary);
            color: #FFFFFF;
        }

        .calculator-section .section-title {
            color: #FFFFFF;
            text-align: center;
        }

        .calculator-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--c-surface);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .calculator-card .form-group {
            margin-bottom: 18px;
        }

        .calculator-card label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text-2);
            margin-bottom: 6px;
        }

        .calculator-card input,
        .calculator-card select {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--c-line);
            border-radius: var(--radius-input);
            font-size: 16px;
            color: var(--c-text);
            background: #fff;
            transition: var(--transition-base);
        }

        .calculator-card input:focus,
        .calculator-card select:focus {
            border-color: var(--c-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.25);
            outline: none;
        }

        .calc-result {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--c-line);
            text-align: center;
        }

        .calc-result .result-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--c-accent-2);
            line-height: 1.3;
        }

        .calc-result .result-tip {
            font-size: 13px;
            color: var(--c-text-3);
            margin-top: 4px;
        }

        /* ========== 资讯卡片 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .news-image {
            aspect-ratio: 16/9;
            background-color: #EAE7DE;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-card .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .news-card .news-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .news-card:hover .news-title {
            color: var(--c-primary-2);
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--c-text-3);
        }

        .news-card .news-meta .badge {
            display: inline-block;
            background: #F0EDE4;
            color: var(--c-text-2);
            font-size: 12px;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            font-weight: 600;
        }

        .news-empty {
            grid-column: 1 / -1;
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 60px 20px;
            text-align: center;
            color: var(--c-text-3);
        }

        .news-empty .empty-icon {
            font-size: 36px;
            color: var(--c-accent);
            display: block;
            margin-bottom: 12px;
        }

        /* ========== 合作案例 ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .case-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
        }

        .case-card .case-image {
            aspect-ratio: 16/9;
            background-color: #EAE7DE;
            overflow: hidden;
        }

        .case-card .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .case-card .case-body {
            padding: 20px 22px;
        }

        .case-card .case-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 8px;
        }

        .case-card .case-desc {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .case-card .case-metric {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--c-accent-2);
            line-height: 1.4;
        }

        /* ========== 配资学堂 ========== */
        .school-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .school-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: var(--transition-base);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .school-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
        }

        .school-card .school-icon {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: rgba(201, 169, 106, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent-2);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .school-card .school-content {
            flex: 1;
        }

        .school-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .school-card p {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        /* ========== 平台优势 ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: center;
        }

        .advantage-visual {
            background: rgba(201, 169, 106, 0.1);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            aspect-ratio: 1/1;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 8px;
            padding: 24px;
        }

        .advantage-visual .av-icon {
            font-size: 56px;
            color: var(--c-accent-2);
            line-height: 1;
        }

        .advantage-visual .av-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            text-align: center;
        }

        .advantage-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .advantage-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .advantage-list li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(201, 169, 106, 0.2);
            color: var(--c-accent-2);
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .advantage-list .av-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 2px;
        }

        .advantage-list .av-item-desc {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.6;
        }

        /* ========== 新手专区 ========== */
        .newbie-grid {
            display: grid;
            grid-template-columns: 6fr 6fr;
            gap: 40px;
            align-items: center;
        }

        .newbie-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--c-text);
        }

        .newbie-text p {
            font-size: 15px;
            color: var(--c-text-2);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .newbie-image {
            aspect-ratio: 4/3;
            border-radius: var(--radius-card);
            overflow: hidden;
            background-color: #EAE7DE;
        }

        .newbie-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== FAQ ========== */
        .faq-grid {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item[open] {
            border-color: var(--c-accent);
            background: #FBF9F4;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 15px;
            color: var(--c-text);
            cursor: pointer;
            list-style: none;
            gap: 16px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-number {
            color: var(--c-accent-2);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .faq-item summary .faq-plus {
            font-size: 20px;
            color: var(--c-accent-2);
            transition: var(--transition-base);
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item[open] summary .faq-plus {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 20px 16px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--c-text-2);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(140deg, #C9A96A 0%, #B8893B 100%);
            padding: var(--section-pad) 0;
            color: var(--c-primary);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--c-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(14, 59, 46, 0.75);
            margin-bottom: 24px;
        }

        .cta-btns {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--c-primary);
            color: #B8C4BE;
            padding: 64px 0 24px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1.2fr 1.2fr 1.5fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-brand .brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-name {
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 700;
        }

        .footer-brand .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #B8C4BE;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #B8C4BE;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--c-accent);
        }

        .footer-contact p {
            font-size: 14px;
            margin-bottom: 6px;
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(201, 169, 106, 0.25);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #7A847E;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-content {
                text-align: center;
            }

            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-btns {
                justify-content: center;
            }

            .hero-points {
                justify-content: center;
            }

            .interest-free-grid,
            .risk-grid,
            .advantage-grid,
            .newbie-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .advantages-list {
                max-width: 560px;
            }

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
                --nav-height: 60px;
            }

            .site-header {
                height: var(--nav-height);
            }

            .nav-menu {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: var(--c-primary);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                border-bottom: 1px solid var(--c-accent);
                z-index: 999;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

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

            .nav-menu li a {
                line-height: 48px;
                padding: 0 24px;
                font-size: 15px;
            }

            .nav-menu li a.active::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions {
                display: none;
            }

            .nav-actions.mobile {
                display: flex;
                flex-direction: column;
                gap: 10px;
                padding: 12px 24px;
                border-top: 1px solid rgba(201, 169, 106, 0.2);
                margin-top: 8px;
            }

            .nav-actions.mobile .btn {
                width: 100%;
            }

            .hero .container {
                padding-top: 40px;
                padding-bottom: 36px;
            }

            .hero-content h1 {
                font-size: 30px;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .product-grid,
            .news-grid,
            .case-grid,
            .interest-free-cards,
            .risk-cards {
                grid-template-columns: 1fr;
            }

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

            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-step {
                display: flex;
                align-items: center;
                gap: 14px;
                text-align: left;
                padding: 10px 0;
            }

            .process-step .step-number {
                font-size: 28px;
                margin-bottom: 0;
                flex-shrink: 0;
                width: 44px;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

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

            .calculator-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad: 40px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-content h1 {
                font-size: 26px;
            }

            .hero-btns .btn,
            .cta-btns .btn {
                width: 100%;
            }

            .hero-stats {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 8px;
            }

            .hero-stat .stat-number {
                font-size: 20px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item .stat-value {
                font-size: 26px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .interest-free-cards {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
            --c-primary: #0E3B2E;
            --c-primary-2: #145244;
            --c-accent: #C9A96A;
            --c-accent-2: #B8893B;
            --c-bg: #F7F5F0;
            --c-surface: #FFFFFF;
            --c-text: #1A1F1C;
            --c-text-2: #4F5A54;
            --c-text-3: #7A847E;
            --c-line: #E5E2D8;
            --c-danger: #A33A32;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "PingFang SC", monospace;
            --shadow-sm: 0 2px 12px rgba(14, 59, 46, 0.06);
            --shadow-md: 0 8px 28px rgba(14, 59, 46, 0.12);
            --shadow-accent: 0 4px 14px rgba(184, 137, 59, 0.35);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-pad: 72px;
            --section-pad-mobile: 48px;
            --transition-base: all 0.25s ease;
        }
        * {
            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: 15px;
            line-height: 1.85;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        a {
            color: var(--c-primary-2);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--c-accent-2);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
        }
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }
        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-accent);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border: 2px solid var(--c-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.05em;
            line-height: 1.2;
            text-align: center;
            flex-shrink: 0;
        }
        .brand-name {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin-left: 8px;
        }
        .nav-menu li a {
            display: block;
            color: #FFFFFF;
            font-size: 15px;
            padding: 0 18px;
            line-height: var(--nav-height);
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-menu li a:hover {
            color: var(--c-accent);
            background: rgba(201, 169, 106, 0.08);
        }
        .nav-menu li a.active {
            color: var(--c-accent);
        }
        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--c-accent);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            border: 1.5px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-primary {
            background-color: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }
        .btn-primary:hover {
            background-color: var(--c-accent-2);
            border-color: var(--c-accent-2);
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
            color: #1A1F1C;
        }
        .btn-outline {
            background: transparent;
            color: var(--c-primary);
            border: 1.5px solid var(--c-primary);
        }
        .btn-outline:hover {
            background-color: var(--c-primary);
            color: #FFFFFF;
        }
        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: var(--c-accent);
        }
        .btn-outline-accent {
            background: transparent;
            color: var(--c-accent);
            border: 1.5px solid var(--c-accent);
        }
        .btn-outline-accent:hover {
            background: rgba(201, 169, 106, 0.12);
            color: var(--c-accent);
        }
        .btn-dark-on-accent {
            background-color: var(--c-primary);
            color: #FFFFFF;
            border-color: var(--c-primary);
        }
        .btn-dark-on-accent:hover {
            background-color: var(--c-primary-2);
            border-color: var(--c-primary-2);
            box-shadow: var(--shadow-md);
            color: #FFFFFF;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 2px;
            transition: var(--transition-base);
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background-color: var(--c-surface);
            border-bottom: 1px solid var(--c-line);
            padding: 14px 0;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--c-text-3);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin: 0;
        }
        .breadcrumb a {
            color: var(--c-primary-2);
            font-weight: 600;
        }
        .breadcrumb a:hover {
            color: var(--c-accent-2);
        }
        .breadcrumb .separator {
            color: var(--c-line);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--c-text-3);
            font-weight: 500;
        }
        /* ========== 分类H1区 ========== */
        .category-hero {
            background-color: var(--c-surface);
            padding: 42px 0 36px;
            border-bottom: 1px solid var(--c-line);
        }
        .category-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--c-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .category-hero .sub-title {
            font-size: 15px;
            color: var(--c-text-2);
            max-width: 640px;
            line-height: 1.7;
        }
        /* ========== 分类介绍 ========== */
        .category-intro {
            background-color: #F1EDE4;
            padding: var(--section-pad) 0;
        }
        .intro-layout {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .intro-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .intro-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .intro-text p {
            font-size: 15px;
            color: var(--c-text-2);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        /* ========== 通用section ========== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-white {
            background-color: var(--c-surface);
        }
        .section-warm {
            background-color: #F1EDE4;
        }
        .section-dark {
            background-color: var(--c-primary);
            color: #FFFFFF;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 28px;
            line-height: 1.35;
            letter-spacing: 0.01em;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background-color: var(--c-accent);
            border-radius: 2px;
        }
        /* ========== 产品卡片 ========== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .product-card {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--c-line);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px 22px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .product-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .product-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            border: 2px solid var(--c-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 16px;
            flex-shrink: 0;
            background: rgba(201, 169, 106, 0.06);
        }
        .product-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: var(--transition-base);
        }
        .product-card:hover h3 {
            color: var(--c-primary-2);
        }
        .product-card .card-desc {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .text-link {
            color: var(--c-primary-2);
            font-weight: 700;
            font-size: 14px;
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--c-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }
        .text-link:hover {
            color: var(--c-accent-2);
            text-decoration-color: var(--c-primary);
        }
        .text-link::after {
            content: '→';
            font-weight: 700;
            transition: var(--transition-base);
        }
        .text-link:hover::after {
            transform: translateX(3px);
        }
        /* ========== 适用场景 ========== */
        .scenario-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 32px;
        }
        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--c-surface);
            border-radius: 8px;
            padding: 18px 22px;
            border: 1px solid var(--c-line);
            transition: var(--transition-base);
        }
        .scenario-item:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-sm);
        }
        .scenario-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--c-accent);
            color: #1A1F1C;
            font-weight: 800;
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .scenario-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 4px;
        }
        .scenario-info p {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            margin: 0;
        }
        /* ========== 风控提示 ========== */
        .risk-section {
            position: relative;
            background-color: var(--c-primary);
            background-image: linear-gradient(rgba(14, 59, 46, 0.92), rgba(14, 59, 46, 0.96)), url('/assets/images/faa5789aa1220728.webp');
            background-size: cover;
            background-position: center;
        }
        .risk-layout {
            display: grid;
            grid-template-columns: 4fr 8fr;
            gap: 36px;
            align-items: center;
        }
        .risk-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            border: 3px solid var(--c-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-size: 34px;
            font-weight: 800;
            flex-shrink: 0;
            background: rgba(201, 169, 106, 0.1);
        }
        .risk-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .risk-content p {
            color: #B8C4BE;
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .risk-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #F5E6E0;
            color: var(--c-danger);
            font-weight: 700;
            font-size: 13px;
            padding: 8px 16px;
            border-radius: var(--radius-badge);
            margin-top: 12px;
        }
        .risk-badge::before {
            content: '⚠';
            font-size: 14px;
        }
        /* ========== 流程 ========== */
        .process-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 18px 12px;
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -14px;
            width: calc(100% - 40px);
            height: 2px;
            background: linear-gradient(90deg, var(--c-accent), transparent);
            opacity: 0.5;
        }
        .step-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--c-accent);
            font-family: var(--font-mono);
            line-height: 1.1;
            margin-bottom: 8px;
            display: block;
        }
        .step-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 4px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--c-text-2);
            line-height: 1.6;
        }
        /* ========== 资讯卡片 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--c-line);
            box-shadow: var(--shadow-sm);
            padding: 22px;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card a {
            display: flex;
            flex-direction: column;
            height: 100%;
            color: inherit;
        }
        .news-card a:hover {
            color: inherit;
        }
        .news-tag {
            display: inline-block;
            background: #F0EDE4;
            color: var(--c-text-2);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .news-card:hover h3 {
            color: var(--c-primary-2);
        }
        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
            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(--c-text-3);
            border-top: 1px solid var(--c-line);
            padding-top: 12px;
        }
        /* ========== 空态 ========== */
        .empty-state {
            background: var(--c-surface);
            border: 1px dashed var(--c-line);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
            color: var(--c-text-3);
            font-size: 15px;
            grid-column: 1 / -1;
        }
        /* ========== CTA卡片 ========== */
        .cta-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 48px 32px;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--c-text-2);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--c-primary);
            color: #B8C4BE;
            padding: 56px 24px 20px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .footer-brand .brand {
            margin-bottom: 14px;
            gap: 10px;
        }
        .footer-brand .brand-logo {
            width: 36px;
            height: 36px;
            font-size: 13px;
        }
        .footer-brand .brand-name {
            font-size: 18px;
        }
        .footer-desc {
            font-size: 13px;
            color: #B8C4BE;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #B8C4BE;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--c-accent);
        }
        .footer-contact p {
            font-size: 14px;
            color: #B8C4BE;
            margin-bottom: 6px;
            line-height: 1.6;
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 28px auto 0;
            padding-top: 16px;
            border-top: 1px solid rgba(184, 196, 190, 0.2);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #7A847E;
        }
        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            :root {
                --nav-height: 60px;
                --section-pad: 48px;
            }
            body {
                padding-top: 60px;
            }
            .nav-menu {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--c-primary);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                border-bottom: 1px solid var(--c-accent);
                display: none;
                gap: 0;
                z-index: 999;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                line-height: 1.6;
                padding: 14px 24px;
                font-size: 16px;
                width: 100%;
            }
            .nav-menu li a.active::after {
                display: none;
            }
            .nav-menu li a.active {
                background: rgba(201, 169, 106, 0.2);
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-actions .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .nav-toggle {
                display: flex;
            }
            .intro-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .risk-layout {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .risk-icon {
                margin: 0 auto;
            }
            .process-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px 16px;
            }
            .process-step:not(:last-child)::after {
                display: none;
            }
            .scenario-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-pad: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
                padding-left: 12px;
            }
            .section-title::before {
                width: 3px;
            }
            .product-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-num {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h3 {
                font-size: 20px;
            }
            .cta-actions {
                flex-direction: column;
                gap: 10px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .nav-actions .btn-outline {
                display: none;
            }
            .nav-actions .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
        }
        @media (max-width: 479px) {
            .brand-name {
                font-size: 15px;
            }
            .nav-actions {
                gap: 4px;
            }
            .nav-actions .btn-primary {
                padding: 6px 10px;
                font-size: 12px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 19px;
            }
            .risk-icon {
                width: 60px;
                height: 60px;
                font-size: 26px;
            }
        }

/* roulang page: article */
:root {
            --c-primary: #0E3B2E;
            --c-primary-2: #145244;
            --c-accent: #C9A96A;
            --c-accent-2: #B8893B;
            --c-bg: #F7F5F0;
            --c-surface: #FFFFFF;
            --c-text: #1A1F1C;
            --c-text-2: #4F5A54;
            --c-text-3: #7A847E;
            --c-line: #E5E2D8;
            --c-danger: #A33A32;
            --c-danger-bg: #F5E6E0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "PingFang SC", monospace;
            --shadow-sm: 0 2px 12px rgba(14, 59, 46, 0.06);
            --shadow-md: 0 8px 28px rgba(14, 59, 46, 0.12);
            --shadow-accent: 0 4px 14px rgba(184, 137, 59, 0.35);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-pad: 72px;
            --section-pad-mobile: 48px;
            --transition-base: all 0.25s 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: 15px;
            line-height: 1.85;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--c-primary-2);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--c-accent-2);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--c-text);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-accent);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border: 2px solid var(--c-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.05em;
            line-height: 1.2;
            text-align: center;
            flex-shrink: 0;
        }
        .brand-name {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin-left: 8px;
        }
        .nav-menu li a {
            display: block;
            color: #FFFFFF;
            font-size: 15px;
            padding: 0 18px;
            line-height: var(--nav-height);
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-menu li a:hover {
            color: var(--c-accent);
            background: rgba(201, 169, 106, 0.08);
        }
        .nav-menu li a.active {
            color: var(--c-accent);
        }
        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--c-accent);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            border: 1.5px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
            text-decoration: none;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-primary {
            background-color: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }
        .btn-primary:hover {
            background-color: var(--c-accent-2);
            border-color: var(--c-accent-2);
            color: #1A1F1C;
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
        }
        .btn-outline {
            background: transparent;
            color: var(--c-primary);
            border: 1.5px solid var(--c-primary);
        }
        .btn-outline:hover {
            background: var(--c-primary);
            color: #FFFFFF;
            border-color: var(--c-primary);
        }
        .nav-actions .btn-outline {
            border-color: var(--c-accent);
            color: #FFFFFF;
            background: transparent;
        }
        .nav-actions .btn-outline:hover {
            background: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }
        .nav-actions .btn-primary {
            background: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }
        .nav-actions .btn-primary:hover {
            background: var(--c-accent-2);
            border-color: var(--c-accent-2);
            color: #1A1F1C;
            box-shadow: none;
            transform: none;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
            gap: 5px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--c-primary);
            color: #B8C4BE;
            padding: 64px 24px 24px;
            margin-top: 0;
        }
        .site-footer .container {
            padding-left: 0;
            padding-right: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo {
            width: 36px;
            height: 36px;
            font-size: 12px;
            border-color: var(--c-accent);
            color: var(--c-accent);
        }
        .footer-brand .brand-name {
            color: #FFFFFF;
            font-size: 18px;
        }
        .footer-desc {
            font-size: 14px;
            color: #B8C4BE;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #B8C4BE;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--c-accent);
        }
        .footer-contact p {
            font-size: 14px;
            color: #B8C4BE;
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(201, 169, 106, 0.25);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #7A847E;
        }
        .footer-bottom span {
            font-size: 12px;
            color: #7A847E;
        }
        .footer-bottom span:last-child {
            color: var(--c-accent);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding: 32px 0 0;
            background: var(--c-surface);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--c-primary-2);
            text-decoration: none;
        }
        .breadcrumb-nav a:hover {
            color: var(--c-accent-2);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--c-accent);
        }
        .breadcrumb-sep {
            color: var(--c-text-3);
            font-size: 13px;
        }
        .breadcrumb-current {
            color: var(--c-text-3);
            font-size: 13px;
        }
        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #F0EDE4;
            color: var(--c-text-2);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            margin-top: 20px;
            letter-spacing: 0.02em;
        }

        /* ========== 文章标题区 ========== */
        .article-title-section {
            padding: 40px 0 32px;
            background: var(--c-surface);
            border-bottom: 1px solid var(--c-line);
        }
        .article-title-section .container {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--c-text);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--c-text-3);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--c-line);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            background: var(--c-accent);
            border-radius: 50%;
            display: inline-block;
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
        }
        .article-share .share-label {
            font-size: 13px;
            color: var(--c-text-3);
        }
        .share-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--c-line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--c-text-2);
            background: var(--c-surface);
            transition: var(--transition-base);
            font-size: 13px;
        }
        .share-icon:hover {
            border-color: var(--c-accent);
            color: var(--c-accent-2);
            background: #FBF9F4;
        }

        /* ========== 正文阅读区 ========== */
        .article-content-section {
            padding: 48px 0 56px;
            background: var(--c-surface);
            border-bottom: 1px solid var(--c-line);
        }
        .article-content-section .container {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text);
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            padding-left: 16px;
            border-left: 3px solid var(--c-accent);
            margin: 36px 0 18px;
            line-height: 1.4;
            color: var(--c-text);
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            padding-left: 14px;
            border-left: 3px solid var(--c-accent);
            margin: 28px 0 14px;
            line-height: 1.4;
            color: var(--c-text);
        }
        .article-body p {
            margin-bottom: 20px;
            line-height: 1.9;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 28px;
            margin-bottom: 20px;
        }
        .article-body li {
            margin-bottom: 8px;
            line-height: 1.85;
        }
        .article-body blockquote {
            border-left: 3px solid var(--c-accent);
            background-color: #F1EDE4;
            padding: 18px 22px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            color: var(--c-text-2);
            font-size: 15px;
        }
        .article-body pre {
            background-color: var(--c-primary);
            color: #E8ECE9;
            padding: 18px 22px;
            border-radius: 8px;
            overflow-x: auto;
            margin: 24px 0;
            font-family: var(--font-mono);
            font-size: 14px;
            line-height: 1.7;
        }
        .article-body code {
            font-family: var(--font-mono);
            font-size: 14px;
            background: #F0EDE4;
            padding: 2px 6px;
            border-radius: 4px;
        }
        .article-body pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }
        .article-body img {
            width: 100%;
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 24px 0;
            aspect-ratio: 16/9;
            object-fit: cover;
            box-shadow: var(--shadow-sm);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border: 1px solid var(--c-line);
            text-align: left;
        }
        .article-body table th {
            background: #F1EDE4;
            font-weight: 700;
            color: var(--c-text);
        }
        .article-empty {
            text-align: center;
            padding: 60px 20px;
            background: #FBF9F4;
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
        }
        .article-empty p {
            font-size: 16px;
            color: var(--c-text-2);
            margin-bottom: 20px;
        }
        .risk-notice {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-top: 32px;
            padding: 16px 20px;
            background: var(--c-danger-bg);
            border-radius: 8px;
            border-left: 3px solid var(--c-danger);
        }
        .risk-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--c-danger);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 12px;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .risk-notice p {
            font-size: 14px;
            color: var(--c-danger);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 文章摘要/导读 ========== */
        .article-summary-section {
            padding: 48px 0;
            background: #F1EDE4;
            border-bottom: 1px solid var(--c-line);
        }
        .article-summary-section .container {
            max-width: 860px;
            margin: 0 auto;
        }
        .summary-card {
            display: grid;
            grid-template-columns: 120px 1fr;
            gap: 28px;
            align-items: flex-start;
        }
        .summary-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-primary);
            background: var(--c-accent);
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            display: inline-block;
            white-space: nowrap;
            text-align: center;
        }
        .summary-content p {
            font-size: 15px;
            color: var(--c-text-2);
            line-height: 1.85;
            margin: 0;
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: var(--section-pad) 0;
            background: var(--c-bg);
            border-bottom: 1px solid var(--c-line);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 32px;
            text-align: center;
            letter-spacing: 0.01em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .related-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }
        .related-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .related-card-link {
            display: block;
            color: inherit;
        }
        .related-card-link:hover {
            color: inherit;
        }
        .related-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #EAE7DE;
        }
        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: var(--transition-base);
        }
        .related-card:hover .related-card-image img {
            transform: scale(1.03);
        }
        .related-card-body {
            padding: 18px 20px 20px;
        }
        .badge-category {
            display: inline-block;
            background: #F0EDE4;
            color: var(--c-text-2);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
        }
        .related-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--c-text);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .related-card:hover .related-card-body h3 {
            color: var(--c-primary-2);
        }
        .related-card-body p {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .related-card-body time {
            font-size: 12px;
            color: var(--c-text-3);
        }
        .related-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            color: var(--c-text-3);
            font-size: 15px;
        }

        /* ========== 返回入口 ========== */
        .back-section {
            padding: 48px 0;
            background: var(--c-surface);
            border-bottom: 1px solid var(--c-line);
        }
        .back-actions {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== 转化 CTA ========== */
        .cta-section {
            padding: 56px 0 72px;
            background: var(--c-bg);
        }
        .cta-card {
            max-width: 720px;
            margin: 0 auto;
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 48px 32px;
            text-align: center;
        }
        .cta-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 12px;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--c-text-2);
            margin-bottom: 24px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            :root {
                --section-pad: 48px;
                --nav-height: 60px;
            }
            body {
                padding-top: var(--nav-height);
            }
            .site-header {
                height: var(--nav-height);
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--c-primary);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                margin: 0;
                padding: 16px 24px 24px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, padding 0.35s ease;
                box-shadow: 0 8px 20px rgba(14, 59, 46, 0.18);
                border-bottom: 1px solid var(--c-accent);
            }
            .nav-menu.open {
                max-height: 480px;
                padding: 16px 24px 24px;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                display: block;
                width: 100%;
                line-height: 1.6;
                padding: 14px 12px;
                font-size: 16px;
                border-radius: 6px;
            }
            .nav-menu li a.active::after {
                display: none;
            }
            .nav-menu li a.active {
                background: rgba(201, 169, 106, 0.12);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-actions .btn {
                padding: 8px 14px;
                font-size: 12px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-pad: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-title {
                font-size: 26px;
            }
            .article-meta {
                gap: 12px;
            }
            .article-content-section {
                padding: 32px 0 40px;
            }
            .summary-card {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .article-title-section {
                padding: 28px 0 24px;
            }
            .back-actions {
                gap: 12px;
            }
            .back-actions .btn {
                width: 100%;
            }
            .cta-card {
                padding: 36px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .site-header .container {
                gap: 8px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
            .nav-actions .btn {
                font-size: 11px;
                padding: 6px 10px;
            }
        }
        @media (max-width: 479px) {
            .article-title {
                font-size: 22px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .back-actions {
                flex-direction: column;
            }
            .back-actions .btn {
                width: 100%;
            }
            .cta-card h3 {
                font-size: 20px;
            }
            .nav-actions .btn {
                padding: 6px 8px;
                font-size: 11px;
            }
        }

/* roulang page: category2 */
:root {
            --c-primary: #0E3B2E;
            --c-primary-2: #145244;
            --c-accent: #C9A96A;
            --c-accent-2: #B8893B;
            --c-bg: #F7F5F0;
            --c-surface: #FFFFFF;
            --c-text: #1A1F1C;
            --c-text-2: #4F5A54;
            --c-text-3: #7A847E;
            --c-line: #E5E2D8;
            --c-danger: #A33A32;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "PingFang SC", monospace;
            --shadow-sm: 0 2px 12px rgba(14, 59, 46, 0.06);
            --shadow-md: 0 8px 28px rgba(14, 59, 46, 0.12);
            --shadow-accent: 0 4px 14px rgba(184, 137, 59, 0.35);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-pad: 72px;
            --section-pad-mobile: 48px;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--c-primary-2);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--c-accent-2);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
        }
        input, select, textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }
        main {
            flex: 1;
        }
        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-accent);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border: 2px solid var(--c-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.05em;
            line-height: 1.2;
            text-align: center;
            flex-shrink: 0;
        }
        .brand-name {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
            margin-left: 8px;
        }
        .nav-menu li a {
            display: block;
            color: #FFFFFF;
            font-size: 15px;
            padding: 0 18px;
            line-height: var(--nav-height);
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-menu li a:hover {
            color: var(--c-accent);
            background: rgba(201, 169, 106, 0.08);
        }
        .nav-menu li a.active {
            color: var(--c-accent);
        }
        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--c-accent);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            border: 1.5px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
            text-align: center;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-primary {
            background-color: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }
        .btn-primary:hover {
            background-color: var(--c-accent-2);
            border-color: var(--c-accent-2);
            color: #1A1F1C;
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
        }
        .btn-secondary {
            background: transparent;
            color: var(--c-primary);
            border: 1.5px solid var(--c-primary);
        }
        .btn-secondary:hover {
            background: var(--c-primary);
            color: #FFFFFF;
        }
        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid var(--c-accent);
        }
        .btn-outline-light:hover {
            background: rgba(201, 169, 106, 0.15);
            color: var(--c-accent);
            border-color: var(--c-accent);
        }
        .btn-dark {
            background: var(--c-primary);
            color: #FFFFFF;
            border-color: var(--c-primary);
        }
        .btn-dark:hover {
            background: var(--c-primary-2);
            border-color: var(--c-primary-2);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            margin-left: auto;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #FFFFFF;
            transition: var(--transition-base);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ========== 面包屑区域 ========== */
        .breadcrumb-section {
            background: var(--c-surface);
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--c-line);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--c-text-3);
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 6px;
            color: var(--c-text-3);
        }
        .breadcrumb a {
            color: var(--c-primary-2);
        }
        .breadcrumb a:hover {
            color: var(--c-accent-2);
        }
        .breadcrumb .current {
            color: var(--c-text-3);
        }
        .page-hero {
            padding-bottom: 12px;
        }
        .page-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--c-text);
            margin: 0 0 12px;
            letter-spacing: 0.01em;
        }
        .page-hero p {
            font-size: 15px;
            color: var(--c-text-2);
            margin: 0;
            max-width: 640px;
        }
        /* ========== Section 通用 ========== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-white {
            background: var(--c-surface);
        }
        .section-warm {
            background: #F1EDE4;
        }
        .section-dark {
            background: var(--c-primary);
            color: #FFFFFF;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--c-text);
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 15px;
            color: var(--c-text-2);
            max-width: 680px;
            margin: 0 0 32px;
            line-height: 1.85;
        }
        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-dark .section-desc {
            color: #B8C4BE;
        }
        /* ========== 卡片网格 ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        /* ========== 产品卡片 ========== */
        .product-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .product-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #EAE7DE;
            position: relative;
        }
        .product-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .product-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .product-card-body p {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }
        .product-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--c-primary-2);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--c-accent);
        }
        .product-card-link:hover {
            color: var(--c-accent-2);
            text-decoration-color: var(--c-primary);
        }
        /* ========== 小特征卡片 ========== */
        .feature-mini {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }
        .feature-mini:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
        }
        .feature-mini-icon {
            width: 40px;
            height: 40px;
            border: 1.5px solid var(--c-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent-2);
            margin-bottom: 12px;
            font-size: 18px;
            font-weight: 700;
        }
        .feature-mini h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-text);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .feature-mini p {
            font-size: 13px;
            color: var(--c-text-2);
            margin: 0;
            line-height: 1.7;
        }
        /* ========== 交易规则列表 ========== */
        .rule-list {
            list-style: none;
            padding: 0;
            margin: 0;
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .rule-list li {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--c-line);
        }
        .rule-list li:last-child {
            border-bottom: none;
        }
        .rule-list .rule-label {
            font-weight: 700;
            font-size: 14px;
            color: var(--c-text);
            min-width: 96px;
            flex-shrink: 0;
        }
        .rule-list .rule-value {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.75;
        }
        /* ========== 步骤流程 ========== */
        .step-flow {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            flex-wrap: wrap;
        }
        .step-item {
            flex: 1;
            min-width: 160px;
            position: relative;
            padding-right: 12px;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -6px;
            width: 20px;
            height: 1.5px;
            background: var(--c-accent);
        }
        .step-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            color: var(--c-accent);
            line-height: 1;
            margin-bottom: 10px;
        }
        .step-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--c-text-2);
            line-height: 1.7;
        }
        .section-dark .step-name {
            color: #FFFFFF;
        }
        .section-dark .step-desc {
            color: #B8C4BE;
        }
        /* ========== 风险提示 ========== */
        .risk-panel {
            display: flex;
            align-items: flex-start;
            gap: 28px;
        }
        .risk-icon {
            width: 72px;
            height: 72px;
            border: 2px solid var(--c-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 800;
            color: var(--c-accent);
            flex-shrink: 0;
            background: rgba(201, 169, 106, 0.1);
        }
        .risk-panel h3 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 12px;
        }
        .risk-panel p {
            font-size: 15px;
            color: #B8C4BE;
            line-height: 1.85;
            margin: 0 0 10px;
        }
        .badge-risk {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #F5E6E0;
            color: var(--c-danger);
            font-weight: 700;
            font-size: 13px;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            margin-top: 8px;
        }
        /* ========== 资讯卡片 ========== */
        .info-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .info-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #EAE7DE;
        }
        .info-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .info-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin: 0 0 10px;
            line-height: 1.5;
        }
        .info-card-body p {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--c-text-3);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            background: #F0EDE4;
            color: var(--c-text-2);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
        }
        .empty-state {
            background: var(--c-surface);
            border: 1px dashed var(--c-line);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
        }
        .empty-state-icon {
            width: 48px;
            height: 48px;
            border: 2px solid var(--c-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--c-accent);
            margin: 0 auto 16px;
        }
        .empty-state p {
            font-size: 15px;
            color: var(--c-text-3);
            margin: 0;
        }
        /* ========== CTA 卡片 ========== */
        .cta-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--c-text);
            margin: 0 0 12px;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--c-text-2);
            margin: 0 0 24px;
            line-height: 1.75;
        }
        .cta-card .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-dark {
            background: var(--c-primary);
            border: none;
            box-shadow: var(--shadow-md);
        }
        .cta-dark h3 {
            color: #FFFFFF;
        }
        .cta-dark p {
            color: #B8C4BE;
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--c-primary);
            color: #B8C4BE;
            padding: 64px 24px 24px;
            flex-shrink: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .brand {
            margin-bottom: 14px;
        }
        .footer-brand .brand-name {
            color: #FFFFFF;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #B8C4BE;
            margin: 0;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #B8C4BE;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--c-accent);
        }
        .footer-contact p {
            font-size: 14px;
            color: #B8C4BE;
            margin: 0 0 10px;
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(201, 169, 106, 0.25);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #7A847E;
        }
        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            :root {
                --section-pad: 48px;
                --nav-height: 60px;
            }
            body {
                padding-top: 60px;
            }
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--c-primary);
                flex-direction: column;
                padding: 16px 24px;
                gap: 0;
                display: none;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
                z-index: 999;
                margin-left: 0;
                border-bottom: 1px solid var(--c-accent);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                line-height: 48px;
                font-size: 16px;
                padding: 0 12px;
                border-bottom: 1px solid rgba(201, 169, 106, 0.15);
            }
            .nav-menu li a.active::after {
                display: none;
            }
            .nav-menu li a.active {
                background: rgba(201, 169, 106, 0.1);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-flow {
                gap: 20px;
            }
            .step-item {
                min-width: calc(50% - 20px);
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-pad: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero p {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .section-desc {
                font-size: 14px;
            }
            .risk-panel {
                flex-direction: column;
                gap: 16px;
            }
            .risk-icon {
                width: 56px;
                height: 56px;
                font-size: 24px;
            }
            .rule-list li {
                flex-direction: column;
                gap: 6px;
                padding: 14px 18px;
            }
            .rule-list .rule-label {
                min-width: auto;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .cta-card h3 {
                font-size: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .btn {
                width: 100%;
                justify-content: center;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 15px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --c-primary: #0E3B2E;
            --c-primary-2: #145244;
            --c-accent: #C9A96A;
            --c-accent-2: #B8893B;
            --c-bg: #F7F5F0;
            --c-surface: #FFFFFF;
            --c-text: #1A1F1C;
            --c-text-2: #4F5A54;
            --c-text-3: #7A847E;
            --c-line: #E5E2D8;
            --c-danger: #A33A32;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "PingFang SC", monospace;
            --shadow-sm: 0 2px 12px rgba(14, 59, 46, 0.06);
            --shadow-md: 0 8px 28px rgba(14, 59, 46, 0.12);
            --shadow-accent: 0 4px 14px rgba(184, 137, 59, 0.35);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-pad: 72px;
            --section-pad-mobile: 48px;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--c-text);
            background-color: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        a {
            color: var(--c-primary-2);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--c-accent-2);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
        }
        ul {
            list-style: none;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition-base);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }
        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-accent);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border: 2px solid var(--c-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.05em;
            line-height: 1.2;
            text-align: center;
            flex-shrink: 0;
        }
        .brand-name {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0;
            flex: 1;
            justify-content: center;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
        }
        .nav-menu li a {
            display: block;
            color: #FFFFFF;
            font-size: 15px;
            padding: 0 18px;
            line-height: var(--nav-height);
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-menu li a:hover {
            color: var(--c-accent);
            background: rgba(201, 169, 106, 0.08);
        }
        .nav-menu li a.active {
            color: var(--c-accent);
        }
        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--c-accent);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            border: 1.5px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-primary {
            background-color: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }
        .btn-primary:hover {
            background-color: var(--c-accent-2);
            border-color: var(--c-accent-2);
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
            color: #1A1F1C;
        }
        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: var(--c-accent);
        }
        .btn-outline-light:hover {
            background: var(--c-accent);
            color: #1A1F1C;
            border-color: var(--c-accent);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--c-primary);
            border-color: var(--c-primary);
        }
        .btn-outline-primary:hover {
            background: var(--c-primary);
            color: #FFFFFF;
            border-color: var(--c-primary);
        }
        .btn-dark {
            background: var(--c-primary);
            color: #FFFFFF;
            border-color: var(--c-primary);
        }
        .btn-dark:hover {
            background: var(--c-primary-2);
            color: #FFFFFF;
            border-color: var(--c-primary-2);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            color: #FFFFFF;
            font-size: 24px;
            padding: 8px;
            line-height: 1;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 6px;
            background: transparent;
        }
        .nav-toggle:hover {
            border-color: var(--c-accent);
            color: var(--c-accent);
        }
        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--c-text-3);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--c-primary-2);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--c-accent-2);
        }
        .breadcrumb .sep {
            color: var(--c-text-3);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--c-text-3);
        }
        /* ========== 板块通用 ========== */
        main {
            flex: 1;
        }
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-white {
            background: var(--c-surface);
        }
        .section-warm {
            background: #F1EDE4;
        }
        .section-dark {
            background: var(--c-primary);
            color: #FFFFFF;
        }
        .section-accent {
            background: linear-gradient(135deg, #C9A96A 0%, #B8893B 100%);
            color: #1A1F1C;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--c-primary);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .section-dark .section-title,
        .section-accent .section-title {
            color: inherit;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--c-text-2);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .section-dark .section-subtitle {
            color: #B8C4BE;
        }
        .section-accent .section-subtitle {
            color: rgba(26, 31, 28, 0.75);
        }
        .text-center {
            text-align: center;
        }
        /* ========== 分类Hero区 ========== */
        .category-hero {
            background: var(--c-surface);
            border-bottom: 1px solid var(--c-line);
            padding: 48px 0 40px;
        }
        .category-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--c-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .category-hero .category-subtitle {
            font-size: 16px;
            color: var(--c-text-2);
            line-height: 1.7;
            max-width: 640px;
        }
        /* ========== 板块2：学堂介绍 ========== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .intro-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .intro-text p {
            color: var(--c-text-2);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .intro-visual img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border: 1px solid var(--c-line);
            box-shadow: var(--shadow-sm);
        }
        /* ========== 课程卡片网格 ========== */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .course-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .course-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .course-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(201, 169, 106, 0.15);
            color: var(--c-accent-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .course-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .course-card .course-desc {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }
        .course-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-weight: 600;
            white-space: nowrap;
        }
        .badge-soft {
            background: #F0EDE4;
            color: var(--c-text-2);
        }
        .badge-warm {
            background: rgba(201, 169, 106, 0.2);
            color: var(--c-accent-2);
        }
        .course-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-primary-2);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--c-accent);
            align-self: flex-start;
        }
        .course-link:hover {
            color: var(--c-accent-2);
            text-decoration-color: var(--c-primary);
        }
        /* ========== 精选专题 ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }
        .topic-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
        }
        .topic-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .topic-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--c-text-2);
            font-size: 14px;
            line-height: 1.6;
            padding: 6px 8px;
            border-radius: 6px;
            transition: var(--transition-base);
        }
        .topic-list li a::before {
            content: '›';
            color: var(--c-accent);
            font-size: 18px;
            font-weight: 700;
            line-height: 1;
        }
        .topic-list li a:hover {
            color: var(--c-accent-2);
            background: rgba(201, 169, 106, 0.06);
        }
        /* ========== 新手步骤 ========== */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 0 8px;
        }
        .step-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            color: var(--c-accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .step-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--c-text-3);
            line-height: 1.6;
        }
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--c-accent);
        }
        .faq-item.open {
            border-color: var(--c-accent);
            background: #FBF9F4;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 15px;
            color: var(--c-primary);
            text-align: left;
            gap: 16px;
            cursor: pointer;
        }
        .faq-question .faq-num {
            font-family: var(--font-mono);
            color: var(--c-accent);
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--c-accent);
            flex-shrink: 0;
            transition: transform 0.25s ease;
            line-height: 1;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* ========== 资讯卡片 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-thumb {
            display: block;
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: #EAE7DE;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-body .news-title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--c-primary);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body .news-title a {
            color: inherit;
        }
        .news-body .news-title a:hover {
            color: var(--c-accent-2);
        }
        .news-summary {
            font-size: 14px;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--c-text-3);
            flex-wrap: wrap;
        }
        .news-meta .badge {
            padding: 2px 10px;
            font-size: 11px;
        }
        .empty-state {
            background: var(--c-surface);
            border: 1px dashed var(--c-line);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
            color: var(--c-text-3);
            font-size: 15px;
            grid-column: 1 / -1;
        }
        /* ========== CTA ========== */
        .cta-card {
            background: var(--c-surface);
            border: 1px solid var(--c-line);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            box-shadow: var(--shadow-sm);
        }
        .cta-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 12px;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--c-text-2);
            margin-bottom: 24px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .section-dark .cta-card {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(201, 169, 106, 0.3);
        }
        .section-dark .cta-card h3 {
            color: #FFFFFF;
        }
        .section-dark .cta-card p {
            color: #B8C4BE;
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--c-primary);
            color: #B8C4BE;
            padding: 64px 24px 24px;
            margin-top: auto;
        }
        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand .brand-name {
            color: #FFFFFF;
        }
        .footer-desc {
            font-size: 13px;
            color: #B8C4BE;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #B8C4BE;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--c-accent);
        }
        .footer-col p {
            font-size: 14px;
            color: #B8C4BE;
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(201, 169, 106, 0.25);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #7A847E;
        }
        .footer-bottom span {
            color: #7A847E;
        }
        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .course-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: var(--nav-height-mobile);
                font-size: 14px;
            }
            :root {
                --nav-height: 60px;
                --section-pad: 48px;
            }
            .site-header {
                height: 60px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--c-primary);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 24px;
                gap: 12px;
                display: none;
                border-bottom: 1px solid var(--c-accent);
                max-height: calc(100vh - 60px);
                overflow-y: auto;
                z-index: 999;
            }
            .main-nav.nav-open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-menu li a {
                line-height: 1.5;
                padding: 12px 12px;
                font-size: 16px;
                border-radius: 6px;
            }
            .nav-menu li a.active::after {
                display: none;
            }
            .nav-menu li a.active {
                background: rgba(201, 169, 106, 0.12);
            }
            .nav-actions {
                flex-direction: column;
                gap: 8px;
            }
            .nav-actions .btn {
                width: 100%;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .intro-visual img {
                aspect-ratio: 16/9;
            }
            .course-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .steps-horizontal {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-pad: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .course-card {
                padding: 20px 16px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
        }