/* roulang page: index */
:root {
            --color-primary: #B98A1F;
            --color-primary-dark: #A87F1D;
            --color-secondary: #2C3539;
            --color-bg: #F7F3EC;
            --color-text: #1F1F1F;
            --color-text-light: #6B6B6B;
            --color-card: #FFFFFF;
            --color-border: #E4D9C3;
            --color-accent: #BC3F3A;
            --color-bg-soft: #F0EAD9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(44, 53, 57, 0.06);
            --shadow-md: 0 8px 22px rgba(44, 53, 57, 0.12);
            --shadow-lg: 0 16px 40px rgba(44, 53, 57, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-title: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
        }

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

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.is-stuck {
            box-shadow: 0 2px 16px rgba(44, 53, 57, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-md);
        }
        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 1px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--color-primary);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .nav-desktop a {
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 4px;
            position: relative;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 70%;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 6px;
            background: transparent;
            border: 1px solid var(--color-border);
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--color-primary);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 999;
            padding: var(--spacing-lg) var(--spacing-md);
            overflow-y: auto;
            border-top: 1px solid var(--color-border);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu nav {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        .mobile-menu nav a {
            font-size: 18px;
            font-weight: 600;
            padding: var(--spacing-sm);
            border-radius: 8px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .mobile-menu nav a:hover,
        .mobile-menu nav a.active {
            color: var(--color-primary);
            background: #fff;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background-color: #fffdf8;
        }
        .section-deep {
            background-color: var(--color-secondary);
            color: #EFE9DC;
        }
        .section-tight {
            padding: var(--spacing-lg) 0;
        }

        .section-head {
            margin-bottom: var(--spacing-lg);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-light);
            margin-top: var(--spacing-sm);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            line-height: 1.5;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #1F1F1F;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #1F1F1F;
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-bg-soft);
            border-color: var(--color-primary-dark);
            color: var(--color-primary-dark);
            box-shadow: var(--shadow-sm);
        }
        .btn-light {
            background-color: #fff;
            color: var(--color-secondary);
            border-color: #fff;
        }
        .btn-light:hover {
            background-color: #F0EAD9;
            border-color: #F0EAD9;
            color: var(--color-secondary);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 34px;
            font-size: 16px;
        }

        /* ===== 板块1：信任条 ===== */
        .trust-bar {
            background: var(--color-secondary);
            color: #EFE9DC;
            padding: 10px 0;
            font-size: 13px;
            letter-spacing: 0.5px;
        }
        .trust-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .trust-bar-items {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .trust-bar-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            opacity: 0.9;
        }
        .trust-bar-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-primary);
            display: inline-block;
            flex-shrink: 0;
        }
        .trust-bar-announce {
            color: #F0EAD9;
            font-weight: 500;
        }
        .trust-bar-announce strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ===== 板块2：Hero ===== */
        .hero {
            position: relative;
            padding: var(--spacing-xxl) 0;
            background: linear-gradient(135deg, #F7F3EC 0%, #FDFBF6 50%, #F5EFE0 100%);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 20% 30%, rgba(185, 138, 31, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 80% 70%, rgba(185, 138, 31, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content {
            max-width: 600px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            background: rgba(185, 138, 31, 0.1);
            border: 1px solid rgba(185, 138, 31, 0.25);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-family: var(--font-title);
            font-size: 46px;
            font-weight: 700;
            line-height: 1.28;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-md);
        }
        .hero h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-note {
            font-size: 13px;
            color: var(--color-text-light);
            margin-top: var(--spacing-sm);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hero-visual:hover img {
            transform: scale(1.03);
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(44, 53, 57, 0.45), transparent);
            pointer-events: none;
        }
        .hero-visual-caption {
            position: absolute;
            bottom: 16px;
            left: 20px;
            right: 20px;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            z-index: 1;
        }

        /* ===== 板块3：数据带 ===== */
        .stats-band {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-lg) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            text-align: center;
        }
        .stat-item {
            padding: var(--spacing-sm);
        }
        .stat-number {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: 1px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--color-text-light);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* ===== 板块4：趋势速览 ===== */
        .trend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .trend-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .trend-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        .trend-date {
            font-size: 12px;
            color: var(--color-text-light);
            letter-spacing: 1px;
            margin-bottom: var(--spacing-xs);
        }
        .trend-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
        }
        .trend-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
        }
        .trend-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: var(--spacing-sm);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .trend-more:hover {
            color: var(--color-primary-dark);
        }

        /* ===== 板块5：业务领域 ===== */
        .biz-grid {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }
        .biz-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .biz-row.reverse .biz-visual {
            order: 2;
        }
        .biz-row.reverse .biz-info {
            order: 1;
        }
        .biz-visual {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            background: var(--color-card);
            transition: all var(--transition);
        }
        .biz-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .biz-row:hover .biz-visual img {
            transform: scale(1.04);
        }
        .biz-info .biz-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
        }
        .biz-info h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
            color: var(--color-text);
        }
        .biz-info p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
        }
        .biz-list {
            margin-top: var(--spacing-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .biz-list-tag {
            font-size: 12px;
            background: #fff;
            border: 1px solid var(--color-border);
            padding: 4px 12px;
            border-radius: 20px;
            color: var(--color-text-light);
        }

        /* ===== 板块6：品牌介绍 ===== */
        .brand-story {
            background: #fffdf8;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .brand-story-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }
        .brand-story-text {
            font-size: 15px;
            line-height: 2;
            color: #3A3733;
        }
        .brand-story-text p {
            margin-bottom: 1.2em;
        }
        .brand-story-text strong {
            color: var(--color-primary);
            font-weight: 600;
        }
        .brand-story-side {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
        }
        .brand-story-side h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }
        .brand-story-side ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .brand-story-side li {
            font-size: 14px;
            color: var(--color-text-light);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.7;
        }
        .brand-story-side li::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            margin-top: 10px;
            flex-shrink: 0;
        }

        /* ===== 板块7：产品亮点 ===== */
        .product-scroll {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding-bottom: var(--spacing-md);
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-primary) var(--color-border);
        }
        .product-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .product-scroll::-webkit-scrollbar-track {
            background: var(--color-border);
            border-radius: 3px;
        }
        .product-scroll::-webkit-scrollbar-thumb {
            background: var(--color-primary);
            border-radius: 3px;
        }
        .product-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .product-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }
        .product-card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #F0EAD9;
        }
        .product-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .product-card:hover .product-card-image img {
            transform: scale(1.05);
        }
        .product-card-body {
            padding: var(--spacing-md);
        }
        .product-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .product-card-body p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .product-card-footer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .product-card-tag {
            font-size: 12px;
            color: var(--color-primary);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* ===== 板块8：案例精选 ===== */
        .case-masonry {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-auto-rows: 180px;
            gap: var(--spacing-md);
        }
        .case-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
            background: var(--color-card);
        }
        .case-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }
        .case-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            position: absolute;
            top: 0;
            left: 0;
        }
        .case-item:hover img {
            transform: scale(1.06);
        }
        .case-item-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-md);
            background: linear-gradient(to top, rgba(44, 53, 57, 0.85), rgba(44, 53, 57, 0.2), transparent);
            color: #fff;
            z-index: 1;
        }
        .case-item-overlay h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 4px;
        }
        .case-item-overlay span {
            font-size: 12px;
            opacity: 0.85;
            letter-spacing: 0.5px;
        }
        .case-item-large {
            grid-column: span 2;
            grid-row: span 2;
        }
        .case-item-tall {
            grid-row: span 2;
        }

        /* ===== 板块9：服务路径 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-md);
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #1F1F1F;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 18px;
            margin-bottom: var(--spacing-sm);
            transition: all var(--transition);
        }
        .step-item:hover .step-number {
            background: var(--color-primary-dark);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .step-item p {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .step-arrow {
            position: absolute;
            top: 50%;
            left: -12px;
            transform: translateY(-50%);
            color: var(--color-primary);
            font-size: 20px;
            font-weight: 700;
            z-index: 1;
        }
        .step-item:first-child .step-arrow {
            display: none;
        }

        /* ===== 板块10：FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            gap: var(--spacing-md);
            cursor: pointer;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            border-left: 3px solid var(--color-primary);
            transition: all var(--transition);
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            background: #FDFBF6;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--color-primary);
            color: #1F1F1F;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 var(--spacing-md);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.9;
        }

        /* ===== 板块11：招商CTA ===== */
        .cta-banner {
            background: var(--color-secondary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            color: #EFE9DC;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(185, 138, 31, 0.15);
            pointer-events: none;
        }
        .cta-banner-content {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: #fff;
            line-height: 1.4;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(239, 233, 220, 0.8);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }
        .cta-banner-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-highlight {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ===== 板块12：客户评价 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }
        .testimonial-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
        }
        .testimonial-quote {
            font-size: 15px;
            color: #3A3733;
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
            font-style: italic;
        }
        .testimonial-card footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-light);
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-sm);
        }
        .testimonial-company {
            font-weight: 600;
            color: var(--color-text);
        }
        .testimonial-industry {
            color: var(--color-primary);
        }

        /* ===== 板块13：分类入口 ===== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .category-entry-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        .category-entry-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }
        .category-entry-card .entry-icon {
            font-size: 28px;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .category-entry-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
        }
        .category-entry-card p {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
        }
        .category-entry-card .entry-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .category-entry-card .entry-link:hover {
            color: var(--color-primary-dark);
        }

        /* ===== 板块14：订阅表单 ===== */
        .subscribe-section {
            background: #fffdf8;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .subscribe-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .subscribe-info h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }
        .subscribe-info p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
        }
        .subscribe-form {
            display: flex;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: #fff;
            font-size: 15px;
            transition: all var(--transition);
            color: var(--color-text);
        }
        .subscribe-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(185, 138, 31, 0.1);
        }
        .subscribe-form .privacy-note {
            font-size: 12px;
            color: var(--color-text-light);
            flex-basis: 100%;
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: #D9D2C5;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(217, 210, 197, 0.8);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col a {
            color: rgba(217, 210, 197, 0.8);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(217, 210, 197, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(217, 210, 197, 0.6);
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: rgba(217, 210, 197, 0.6);
            font-size: 12px;
        }
        .footer-bottom-links a:hover {
            color: var(--color-primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-xl: 48px;
                --spacing-xxl: 56px;
            }
            .hero h1 {
                font-size: 38px;
            }
            .section-title {
                font-size: 28px;
            }
            .case-masonry {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-item-large {
                grid-column: span 2;
                grid-row: span 1;
            }
            .case-item-tall {
                grid-row: span 1;
            }
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-sm);
            }
            .step-arrow {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .biz-row,
            .biz-row.reverse {
                grid-template-columns: 1fr;
            }
            .biz-row.reverse .biz-visual {
                order: 1;
            }
            .biz-row.reverse .biz-info {
                order: 2;
            }
            .brand-story-content {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                grid-template-columns: 1fr;
                padding: var(--spacing-lg);
            }
            .subscribe-inner {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-xxl: 48px;
                --header-height: 60px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stat-number {
                font-size: 28px;
            }
            .trend-grid {
                grid-template-columns: 1fr;
            }
            .case-masonry {
                grid-template-columns: 1fr;
                grid-auto-rows: 220px;
            }
            .case-item-large,
            .case-item-tall {
                grid-column: span 1;
                grid-row: span 1;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"],
            .subscribe-form input[type="text"] {
                width: 100%;
                min-width: 0;
            }
            .trust-bar-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-xl: 32px;
                --spacing-xxl: 40px;
                --spacing-md: 16px;
            }
            body {
                font-size: 15px;
            }
            .hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-label {
                font-size: 11px;
            }
            .product-card {
                flex: 0 0 85%;
            }
            .faq-question {
                font-size: 15px;
                padding: var(--spacing-sm);
            }
            .cta-banner {
                padding: var(--spacing-md);
                border-radius: var(--radius-md);
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .logo {
                font-size: 22px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .biz-info h3 {
                font-size: 19px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #B98A1F;
            --color-primary-dark: #A87F1D;
            --color-secondary: #2C3539;
            --color-bg: #F7F3EC;
            --color-text: #1F1F1F;
            --color-text-light: #6B6B6B;
            --color-card: #FFFFFF;
            --color-border: #E4D9C3;
            --color-accent: #BC3F3A;
            --color-bg-soft: #F0EAD9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(44, 53, 57, 0.06);
            --shadow-md: 0 8px 22px rgba(44, 53, 57, 0.12);
            --shadow-lg: 0 16px 40px rgba(44, 53, 57, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-title: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.2s ease;
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-xxl: 48px;
                --header-height: 60px;
            }
        }
        @media (max-width: 480px) {
            :root {
                --spacing-xl: 32px;
                --spacing-xxl: 40px;
                --spacing-md: 16px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button, input, textarea, select {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-title);
            line-height: 1.35;
            color: var(--color-text);
            margin: 0 0 0.5em;
            font-weight: 700;
        }
        h1 {
            font-size: 40px;
            letter-spacing: 0.5px;
        }
        h2 {
            font-size: 30px;
            letter-spacing: 0.3px;
        }
        h3 {
            font-size: 22px;
        }
        h4 {
            font-size: 18px;
        }
        p {
            margin: 0 0 0.8em;
            line-height: 1.85;
        }
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-sm {
            padding: var(--spacing-lg) 0;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-sub {
            color: var(--color-text-light);
            font-size: 16px;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }
        .text-muted-2 {
            color: var(--color-text-light);
            font-size: 14px;
        }
        .badge-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: var(--color-bg-soft);
            color: var(--color-primary);
            border: 1px solid var(--color-border);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .badge-tag.accent {
            background: #FDF2F1;
            color: var(--color-accent);
            border-color: #E8CFCE;
        }
        .badge-tag.dark {
            background: var(--color-secondary);
            color: #fff;
            border-color: var(--color-secondary);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.is-stuck {
            box-shadow: 0 2px 16px rgba(44, 53, 57, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-md);
        }
        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 1px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--color-primary);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop a {
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 4px;
            position: relative;
            color: var(--color-text);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 70%;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            border: 1px solid var(--color-border);
            background: #fff;
            transition: border-color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--color-primary);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: var(--spacing-md);
            flex-direction: column;
            gap: 8px;
            border-top: 1px solid var(--color-border);
            overflow-y: auto;
        }
        .mobile-menu.is-open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--color-bg-soft);
            color: var(--color-primary);
            border-color: var(--color-border);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--color-text-light);
            transition: color var(--transition);
        }
        .breadcrumb-wrap a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-wrap .sep {
            color: var(--color-border);
        }
        .breadcrumb-wrap .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ===== 页面标题区 ===== */
        .page-head {
            padding: 24px 0 32px;
            border-bottom: 1px solid var(--color-border);
        }
        .page-head h1 {
            margin-bottom: 10px;
        }
        .page-head .lead {
            font-size: 16px;
            color: var(--color-text-light);
            max-width: 820px;
            line-height: 1.85;
        }
        .page-head .head-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }

        /* ===== 产品卡片列表（左右交替行式） ===== */
        .product-list .product-item {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: var(--spacing-lg);
            align-items: center;
            padding: var(--spacing-lg);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-bottom: var(--spacing-md);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }
        .product-list .product-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        .product-list .product-item:nth-child(even) {
            grid-template-columns: 1.4fr 1fr;
        }
        .product-list .product-item:nth-child(even) .product-img-wrap {
            order: 2;
        }
        .product-list .product-item:nth-child(even) .product-info {
            order: 1;
        }
        .product-img-wrap {
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 220px;
            background: var(--color-bg-soft);
            position: relative;
        }
        .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .product-item:hover .product-img-wrap img {
            transform: scale(1.04);
        }
        .product-info h3 {
            font-size: 20px;
            margin-bottom: 8px;
        }
        .product-info .product-desc {
            color: var(--color-text-light);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .product-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .product-params {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: var(--color-text-light);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }
        .product-params span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .product-params strong {
            color: var(--color-text);
            font-weight: 600;
        }

        /* ===== 热门推荐 ===== */
        .hot-scroll {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .hot-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .hot-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }
        .hot-card-img {
            height: 160px;
            overflow: hidden;
            background: var(--color-bg-soft);
        }
        .hot-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hot-card:hover .hot-card-img img {
            transform: scale(1.05);
        }
        .hot-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-card-body h4 {
            font-size: 16px;
            margin-bottom: 6px;
        }
        .hot-card-body p {
            font-size: 13px;
            color: var(--color-text-light);
            margin-bottom: 10px;
            flex: 1;
        }
        .hot-card-meta {
            font-size: 12px;
            color: var(--color-text-light);
            display: flex;
            gap: 10px;
            align-items: center;
        }

        /* ===== 产品对比表 ===== */
        .compare-section {
            background: var(--color-secondary);
            color: #F5F0E6;
            padding: var(--spacing-xl) 0;
            border-radius: var(--radius-lg);
            margin: var(--spacing-lg) 0 0;
        }
        .compare-section .section-title {
            color: #fff;
        }
        .compare-section .section-sub {
            color: #C5C0B5;
        }
        .compare-table-wrap {
            overflow-x: auto;
            margin-top: var(--spacing-md);
            background: transparent;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
            font-size: 14px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            vertical-align: top;
        }
        .compare-table th {
            font-weight: 600;
            color: #E8D9B0;
            background: rgba(255, 255, 255, 0.04);
            font-size: 13px;
            letter-spacing: 0.5px;
        }
        .compare-table td:first-child {
            font-weight: 600;
            color: #fff;
        }
        .compare-table tr:hover td {
            background: rgba(255, 255, 255, 0.03);
        }
        .compare-table .highlight-col {
            color: #E8C44D;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--spacing-xl) 0;
        }
        .cta-box {
            background: var(--color-primary);
            color: var(--color-text);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
        }
        .cta-box h2 {
            color: var(--color-text);
            font-size: 26px;
            margin-bottom: 6px;
        }
        .cta-box p {
            color: rgba(31, 31, 31, 0.8);
            margin: 0;
            max-width: 560px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-text);
            border: 1px solid var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background: var(--color-bg-soft);
            border-color: var(--color-primary-dark);
            color: var(--color-primary-dark);
        }
        .btn-light {
            background: #fff;
            color: var(--color-text);
            border: 1px solid #fff;
        }
        .btn-light:hover {
            background: var(--color-bg-soft);
            border-color: var(--color-bg-soft);
            color: var(--color-primary);
        }
        .btn-dark {
            background: var(--color-secondary);
            color: #fff;
            border: 1px solid var(--color-secondary);
        }
        .btn-dark:hover {
            background: #3A4549;
            border-color: #3A4549;
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-left: 3px solid var(--color-primary);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-primary);
        }
        .faq-question {
            padding: 16px 20px;
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-text);
            user-select: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            background: var(--color-bg-soft);
            color: var(--color-primary);
            font-size: 18px;
            line-height: 1;
            transition: transform var(--transition);
        }
        .faq-item.is-open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 20px 16px;
            color: var(--color-text-light);
            font-size: 15px;
            line-height: 1.8;
            display: none;
        }
        .faq-item.is-open .faq-answer {
            display: block;
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 14px;
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-bg-soft);
            box-shadow: var(--shadow-sm);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: #F5F0E6;
            padding: var(--spacing-xl) 0 24px;
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: #C5C0B5;
            font-size: 14px;
            line-height: 1.75;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #E8D9B0;
            font-size: 15px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            color: #C5C0B5;
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            font-size: 13px;
            color: #C5C0B5;
        }
        .footer-bottom-links {
            margin-left: auto;
            display: flex;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: #C5C0B5;
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: var(--color-primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 2px;
            }
            .nav-desktop a {
                font-size: 13px;
                padding: 6px 7px;
            }
            .product-list .product-item {
                gap: var(--spacing-md);
                padding: var(--spacing-md);
            }
            .hot-scroll {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .site-header {
                height: var(--header-height);
            }
            h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .product-list .product-item,
            .product-list .product-item:nth-child(even) {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .product-list .product-item:nth-child(even) .product-img-wrap {
                order: 1;
            }
            .product-list .product-item:nth-child(even) .product-info {
                order: 2;
            }
            .product-img-wrap {
                height: 180px;
            }
            .hot-scroll {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .cta-box {
                padding: 28px 24px;
                flex-direction: column;
                text-align: center;
            }
            .compare-section {
                padding: var(--spacing-lg) 16px;
            }
            .compare-table {
                min-width: 600px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .product-list .product-item {
                padding: 14px;
            }
            .product-img-wrap {
                height: 150px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                margin-left: 0;
                flex-wrap: wrap;
            }
            .cta-box {
                padding: 20px 16px;
            }
            .compare-table {
                min-width: 500px;
                font-size: 12px;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #B98A1F;
            --color-primary-dark: #A87F1D;
            --color-primary-soft: #F0EAD9;
            --color-secondary: #2C3539;
            --color-bg: #F7F3EC;
            --color-text: #1F1F1F;
            --color-text-light: #6B6B6B;
            --color-card: #FFFFFF;
            --color-border: #E4D9C3;
            --color-accent: #BC3F3A;
            --color-bg-soft: #F0EAD9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(44, 53, 57, 0.06);
            --shadow-md: 0 8px 22px rgba(44, 53, 57, 0.12);
            --shadow-lg: 0 16px 40px rgba(44, 53, 57, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-title: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.2s ease;
        }

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

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

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), opacity var(--transition);
        }

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

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin: 0 0 var(--spacing-sm);
        }

        p {
            margin: 0 0 var(--spacing-sm);
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.is-stuck {
            box-shadow: 0 2px 16px rgba(44, 53, 57, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-md);
        }

        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 1px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .nav-desktop a {
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 4px;
            position: relative;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 70%;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 8px;
            border-radius: 6px;
            background: transparent;
            border: 1px solid var(--color-border);
            align-items: center;
            transition: border-color var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--color-primary);
        }

        .nav-toggle:hover span {
            background: var(--color-primary);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-height));
            background: #fff;
            z-index: 999;
            padding: var(--spacing-md);
            overflow-y: auto;
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 17px;
            font-weight: 500;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-primary);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            background: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-sm) 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 14px;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-nav .separator {
            color: var(--color-border);
        }

        .breadcrumb-nav .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ===== 分类页头部 ===== */
        .category-hero {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: var(--color-bg);
        }

        .category-hero .h1-wrap {
            max-width: 780px;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }

        .category-hero .lead {
            font-size: 17px;
            color: var(--color-text-light);
            max-width: 780px;
            line-height: 1.9;
        }

        .category-hero .lead strong {
            color: var(--color-text);
            font-weight: 600;
        }

        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
            align-items: center;
        }

        .category-hero .hero-meta .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-light);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .category-hero .hero-meta .badge-item span.dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
        }

        /* ===== 编辑列表（左右交替） ===== */
        .editorial-list {
            padding: var(--spacing-lg) 0;
            background: var(--color-bg);
        }

        .editorial-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
            padding: var(--spacing-lg) 0;
            border-bottom: 1px solid var(--color-border);
        }

        .editorial-item:first-child {
            padding-top: 0;
        }

        .editorial-item:last-of-type {
            border-bottom: none;
        }

        .editorial-item.reversed {
            direction: rtl;
        }

        .editorial-item.reversed .editorial-text,
        .editorial-item.reversed .editorial-image {
            direction: ltr;
        }

        .editorial-item .editorial-image {
            overflow: hidden;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            aspect-ratio: 16/10;
            background: var(--color-bg-soft);
        }

        .editorial-item .editorial-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .editorial-item:hover .editorial-image img {
            transform: scale(1.04);
        }

        .editorial-item .editorial-text {
            padding: var(--spacing-sm) 0;
        }

        .editorial-item .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            align-items: center;
            margin-bottom: var(--spacing-xs);
        }

        .editorial-item .article-date {
            font-size: 13px;
            color: var(--color-text-light);
        }

        .editorial-item .article-tag {
            font-size: 12px;
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 500;
        }

        .editorial-item h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: var(--spacing-xs);
        }

        .editorial-item h3 a {
            color: var(--color-text);
        }

        .editorial-item h3 a:hover {
            color: var(--color-primary);
        }

        .editorial-item .excerpt {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.85;
            margin-bottom: var(--spacing-sm);
        }

        .editorial-item .read-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            transition: gap var(--transition);
        }

        .editorial-item .read-link:hover {
            color: var(--color-primary-dark);
            gap: 10px;
        }

        .view-more-wrapper {
            text-align: center;
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .view-more-link:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        /* ===== 热门推荐横滚 ===== */
        .hot-recommend {
            padding: var(--spacing-xl) 0;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 0;
            color: var(--color-text);
        }

        .section-heading .heading-sub {
            font-size: 14px;
            color: var(--color-text-light);
        }

        .hot-scroll-wrap {
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: var(--spacing-xs);
            scrollbar-width: thin;
            scrollbar-color: var(--color-primary) var(--color-border);
        }

        .hot-scroll-wrap::-webkit-scrollbar {
            height: 4px;
        }

        .hot-scroll-wrap::-webkit-scrollbar-track {
            background: var(--color-border);
            border-radius: 4px;
        }

        .hot-scroll-wrap::-webkit-scrollbar-thumb {
            background: var(--color-primary);
            border-radius: 4px;
        }

        .hot-scroll-inner {
            display: flex;
            gap: var(--spacing-sm);
            width: max-content;
            min-width: 100%;
        }

        .hot-item {
            flex: 0 0 340px;
            scroll-snap-align: start;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .hot-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-primary);
        }

        .hot-item .hot-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-bg-soft);
        }

        .hot-item .hot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .hot-item:hover .hot-img img {
            transform: scale(1.05);
        }

        .hot-item .hot-body {
            padding: var(--spacing-sm);
        }

        .hot-item .hot-tag {
            display: inline-block;
            font-size: 12px;
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 500;
            margin-bottom: var(--spacing-xs);
        }

        .hot-item .hot-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .hot-item .hot-title a {
            color: inherit;
        }

        .hot-item .hot-title a:hover {
            color: var(--color-primary);
        }

        .hot-item .hot-date {
            font-size: 13px;
            color: var(--color-text-light);
        }

        /* ===== 时间线 ===== */
        .timeline-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-bg);
        }

        .timeline-section .section-heading {
            margin-bottom: var(--spacing-lg);
        }

        .timeline-wrap {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: var(--spacing-lg);
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 14px;
            width: 3px;
            background: var(--color-primary);
            opacity: 0.45;
            border-radius: 4px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: var(--spacing-lg);
            padding-left: var(--spacing-md);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -22px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--color-card);
            border: 3px solid var(--color-primary);
            border-radius: 50%;
            z-index: 1;
        }

        .timeline-item .timeline-year {
            display: inline-block;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-primary);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            padding: 2px 14px;
            border-radius: 16px;
            margin-bottom: var(--spacing-xs);
        }

        .timeline-item h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.85;
            margin-bottom: 0;
        }

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

        .cta-panel {
            background: var(--color-secondary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            color: #F5F1E8;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: var(--spacing-lg);
            align-items: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-panel h2 {
            color: #F5F1E8;
            font-size: 26px;
            margin-bottom: var(--spacing-xs);
        }

        .cta-panel p {
            color: rgba(245, 241, 232, 0.8);
            font-size: 15px;
            margin-bottom: 0;
        }

        .cta-panel .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .cta-panel .btn-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .cta-panel .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #F5F1E8;
            border: 1px solid rgba(245, 241, 232, 0.4);
            font-weight: 500;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition);
        }

        .cta-panel .btn-outline-light:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(185, 138, 31, 0.08);
        }

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

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            background: var(--color-bg);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-primary);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            width: 100%;
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            border-left: 3px solid var(--color-primary);
            transition: background var(--transition);
            background: var(--color-card);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition);
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--color-primary);
            border-radius: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
        }

        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
            transition: transform var(--transition);
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* ===== 标签云 ===== */
        .tag-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-bg);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text-light);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            padding: 8px 18px;
            border-radius: 24px;
            transition: all var(--transition);
        }

        .tag-cloud a:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
            box-shadow: var(--shadow-sm);
        }

        .tag-cloud a .tag-count {
            font-size: 12px;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            padding: 0 8px;
            border-radius: 12px;
            font-weight: 500;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: #F5F1E8;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }

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

        .site-footer .footer-brand h3 {
            color: #F5F1E8;
            font-size: 24px;
            margin-bottom: var(--spacing-sm);
        }

        .site-footer .footer-brand p {
            color: rgba(245, 241, 232, 0.7);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }

        .site-footer .footer-col h4 {
            color: #F5F1E8;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }

        .site-footer .footer-col ul li {
            margin-bottom: 6px;
        }

        .site-footer .footer-col ul li a {
            color: rgba(245, 241, 232, 0.7);
            font-size: 14px;
            transition: color var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(245, 241, 232, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(245, 241, 232, 0.6);
        }

        .site-footer .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom-links a {
            color: rgba(245, 241, 232, 0.7);
            font-size: 13px;
        }

        .site-footer .footer-bottom-links a:hover {
            color: var(--color-primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-xl: 48px;
                --spacing-xxl: 56px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .nav-desktop {
                gap: 6px;
            }
            .nav-desktop a {
                font-size: 13px;
                padding: 6px 8px;
            }
            .editorial-item {
                gap: var(--spacing-md);
            }
            .hot-item {
                flex: 0 0 300px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-xxl: 48px;
                --header-height: 60px;
                --spacing-lg: 32px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero .lead {
                font-size: 15px;
            }
            .editorial-item {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
                padding: var(--spacing-md) 0;
            }
            .editorial-item.reversed {
                direction: ltr;
            }
            .editorial-item .editorial-image {
                order: -1;
                aspect-ratio: 16/9;
            }
            .editorial-item h3 {
                font-size: 19px;
            }
            .hot-item {
                flex: 0 0 260px;
            }
            .cta-panel {
                grid-template-columns: 1fr;
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .timeline-wrap {
                padding-left: var(--spacing-md);
            }
            .timeline-item {
                padding-left: var(--spacing-sm);
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-xl: 32px;
                --spacing-xxl: 40px;
                --spacing-md: 16px;
                --spacing-sm: 12px;
            }
            .logo {
                font-size: 22px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .lead {
                font-size: 14px;
                line-height: 1.8;
            }
            .editorial-item h3 {
                font-size: 17px;
            }
            .editorial-item .excerpt {
                font-size: 14px;
            }
            .hot-item {
                flex: 0 0 240px;
            }
            .cta-panel h2 {
                font-size: 20px;
            }
            .cta-panel .cta-actions {
                flex-direction: column;
            }
            .cta-panel .btn-cta,
            .cta-panel .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-brand {
                grid-column: auto;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .faq-question {
                font-size: 15px;
                padding: var(--spacing-sm) var(--spacing-sm);
            }
            .faq-answer p {
                font-size: 14px;
            }
            .tag-cloud a {
                font-size: 13px;
                padding: 6px 14px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #B98A1F;
            --color-primary-dark: #A87F1D;
            --color-secondary: #2C3539;
            --color-bg: #F7F3EC;
            --color-text: #1F1F1F;
            --color-text-light: #6B6B6B;
            --color-card: #FFFFFF;
            --color-border: #E4D9C3;
            --color-accent: #BC3F3A;
            --color-bg-soft: #F0EAD9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(44, 53, 57, 0.06);
            --shadow-md: 0 8px 22px rgba(44, 53, 57, 0.12);
            --shadow-lg: 0 16px 40px rgba(44, 53, 57, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-title: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.2s ease;
        }

        @media (max-width: 1024px) {
            :root {
                --spacing-xl: 48px;
                --spacing-xxl: 56px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-xxl: 48px;
                --header-height: 60px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --spacing-xl: 32px;
                --spacing-xxl: 40px;
                --spacing-md: 16px;
            }
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
        }

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

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.is-stuck {
            box-shadow: 0 2px 16px rgba(44, 53, 57, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-md);
        }

        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 1px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .nav-desktop a {
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 4px;
            position: relative;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 70%;
        }

        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            border: 1px solid var(--color-border);
            background: var(--color-card);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 999;
            padding: var(--spacing-lg);
            overflow-y: auto;
            border-top: 1px solid var(--color-border);
        }

        .mobile-menu.is-open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 8px;
            font-size: 18px;
            font-weight: 500;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding: var(--spacing-sm) 0;
            font-size: 14px;
            color: var(--color-text-light);
            border-bottom: 1px solid var(--color-border);
            background: rgba(255, 255, 255, 0.5);
        }

        .breadcrumb-wrap .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .breadcrumb-wrap a {
            color: var(--color-text-light);
            transition: color var(--transition);
        }

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

        .breadcrumb-wrap .separator {
            color: var(--color-border);
            font-size: 12px;
        }

        .breadcrumb-wrap .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ===== 页面头部 ===== */
        .page-head {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            text-align: center;
            position: relative;
        }

        .page-head::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px;
        }

        .page-head h1 {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
            letter-spacing: 1px;
        }

        .page-head .lead {
            font-size: 17px;
            color: var(--color-text-light);
            max-width: 820px;
            margin: 0 auto;
            line-height: 1.9;
        }

        /* ===== 数据成果带 ===== */
        .stats-band {
            padding: var(--spacing-lg) 0;
            background: var(--color-secondary);
            color: var(--color-bg);
        }

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

        .stat-item {
            text-align: center;
            padding: var(--spacing-sm);
        }

        .stat-item .stat-number {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .stats-band .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            line-height: 1.35;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-lg);
            line-height: 1.8;
            max-width: 720px;
        }

        /* ===== 案例列表 ===== */
        .case-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .case-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: var(--spacing-md);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
            position: relative;
        }

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

        .case-card .case-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-bg-soft);
            aspect-ratio: 4/3;
        }

        .case-card .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .case-card:hover .case-image img {
            transform: scale(1.05);
        }

        .case-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }

        .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 4px;
        }

        .tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
            background: var(--color-bg-soft);
            color: var(--color-text-light);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }

        .tag-accent {
            background: rgba(188, 63, 58, 0.08);
            color: var(--color-accent);
            border-color: rgba(188, 63, 58, 0.25);
        }

        .tag-primary {
            background: rgba(185, 138, 31, 0.1);
            color: var(--color-primary-dark);
            border-color: rgba(185, 138, 31, 0.25);
        }

        .case-title {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin: 0;
        }

        .case-title a {
            color: inherit;
        }

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

        .case-meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--color-text-light);
        }

        .case-summary {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin: 0;
        }

        .case-result {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 14px;
            background: rgba(185, 138, 31, 0.05);
            border-left: 3px solid var(--color-primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            margin-top: 8px;
        }

        .case-result .result-highlight {
            color: var(--color-primary-dark);
            font-weight: 700;
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 500;
            font-size: 14px;
            transition: color var(--transition);
        }

        .view-more-link:hover {
            color: var(--color-primary-dark);
        }

        .view-more-link .arrow {
            transition: transform var(--transition);
        }

        .view-more-link:hover .arrow {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .case-card {
                grid-template-columns: 1fr;
                padding: var(--spacing-sm);
                gap: var(--spacing-sm);
            }
            .case-card .case-image {
                aspect-ratio: 16/9;
            }
            .page-head h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* ===== 热门推荐 ===== */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .hot-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }

        .hot-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }

        .hot-item .hot-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--color-bg-soft);
        }

        .hot-item .hot-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .hot-item:hover .hot-image img {
            transform: scale(1.05);
        }

        .hot-item .hot-content {
            padding: var(--spacing-sm);
        }

        .hot-item .hot-title {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .hot-item .hot-title a:hover {
            color: var(--color-primary);
        }

        .hot-item .hot-desc {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 768px) {
            .hot-list {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }

        /* ===== 方法论知识块 ===== */
        .method-block {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
        }

        .method-block h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .method-block h3 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-top: var(--spacing-md);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .method-block p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }

        .method-steps {
            list-style: none;
            padding: 0;
            margin: var(--spacing-sm) 0 0;
            counter-reset: step;
        }

        .method-steps li {
            position: relative;
            padding-left: 48px;
            margin-bottom: var(--spacing-sm);
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
            counter-increment: step;
        }

        .method-steps li::before {
            content: counter(step);
            position: absolute;
            left: 0;
            top: 2px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: linear-gradient(135deg, var(--color-secondary) 0%, #3a4448 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            color: var(--color-bg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border: 2px solid rgba(185, 138, 31, 0.3);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel h2 {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
            color: #fff;
        }

        .cta-panel p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
        }

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

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(185, 138, 31, 0.35);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-cloud .tag {
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .tag-cloud .tag:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            transform: translateY(-1px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: var(--spacing-md);
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

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

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #B98A1F;
            --color-primary-dark: #A87F1D;
            --color-secondary: #2C3539;
            --color-bg: #F7F3EC;
            --color-text: #1F1F1F;
            --color-text-light: #6B6B6B;
            --color-card: #FFFFFF;
            --color-border: #E4D9C3;
            --color-accent: #BC3F3A;
            --color-bg-soft: #F0EAD9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(44, 53, 57, 0.06);
            --shadow-md: 0 8px 22px rgba(44, 53, 57, 0.12);
            --shadow-lg: 0 16px 40px rgba(44, 53, 57, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-title: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.is-stuck {
            box-shadow: 0 2px 16px rgba(44, 53, 57, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-md);
        }
        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 1px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--color-primary);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .nav-desktop a {
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 4px;
            position: relative;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 70%;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            gap: 5px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--color-bg-soft);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .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);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: var(--spacing-md) 0;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px var(--spacing-md);
            font-size: 15px;
            font-weight: 500;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-primary);
            background: var(--color-bg-soft);
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-sm);
        }
        .breadcrumb {
            font-size: 14px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-item {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .breadcrumb-item a {
            color: var(--color-text-light);
        }
        .breadcrumb-item a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-separator {
            color: var(--color-border);
        }
        .breadcrumb-item.active {
            color: var(--color-text);
            font-weight: 500;
        }
        /* ===== 分类页头部 ===== */
        .category-header {
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .category-header h1 {
            font-family: var(--font-title);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .category-intro {
            font-size: 16px;
            color: var(--color-text-light);
            max-width: 900px;
            line-height: 1.9;
        }
        /* ===== 产品卡片主体 ===== */
        .product-grid-section {
            padding: var(--spacing-lg) 0 var(--spacing-sm);
        }
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .product-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .product-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .product-card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-bg-soft);
        }
        .product-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .product-card:hover .product-card-image img {
            transform: scale(1.04);
        }
        .product-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-bg-soft);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: var(--spacing-xs);
            width: fit-content;
            letter-spacing: 0.3px;
        }
        .product-card-body h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
        }
        .product-card-summary {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
        }
        .product-card-date {
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: var(--spacing-sm);
            letter-spacing: 0.2px;
        }
        .view-more-wrapper {
            margin-top: var(--spacing-lg);
            text-align: center;
        }
        /* ===== 热门推荐 ===== */
        .hot-section {
            padding: var(--spacing-lg) 0;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .hot-section .section-title {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--color-text);
        }
        .hot-scroll {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: var(--spacing-xs);
        }
        .hot-scroll::-webkit-scrollbar {
            height: 4px;
            background: var(--color-bg-soft);
            border-radius: 4px;
        }
        .hot-scroll::-webkit-scrollbar-thumb {
            background: var(--color-primary);
            border-radius: 4px;
        }
        .hot-card {
            min-width: 300px;
            flex: 0 0 auto;
            scroll-snap-align: start;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .hot-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .hot-card h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
        }
        .hot-card p {
            font-size: 13px;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.7;
        }
        /* ===== 对比表知识块 ===== */
        .comparison-section {
            padding: var(--spacing-xl) 0;
        }
        .comparison-section .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--color-text);
            line-height: 1.35;
        }
        .comparison-section .subsection-title {
            font-size: 20px;
            font-weight: 600;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            color: var(--color-secondary);
        }
        .comparison-section p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }
        .comparison-table-wrap {
            overflow-x: auto;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-top: var(--spacing-md);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
            font-size: 14px;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
            vertical-align: top;
        }
        .comparison-table thead th {
            background: var(--color-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody tr:hover {
            background: var(--color-bg-soft);
        }
        .comparison-table td:first-child {
            font-weight: 600;
            color: var(--color-secondary);
            white-space: nowrap;
        }
        /* ===== CTA板块 ===== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-secondary);
            color: #fff;
            text-align: center;
            border-radius: 0;
        }
        .cta-section .cta-inner {
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: #fff;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-md);
            line-height: 1.8;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff !important;
            border: 1px solid var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(184, 138, 31, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-bg-soft);
            border-color: var(--color-primary);
            color: var(--color-primary-dark);
        }
        .btn-white {
            background: #fff;
            color: var(--color-secondary) !important;
            border: 1px solid #fff;
        }
        .btn-white:hover {
            background: var(--color-bg-soft);
            border-color: var(--color-bg-soft);
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .faq-section .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--color-text);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: var(--color-card);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            background: var(--color-card);
            border: none;
            width: 100%;
            text-align: left;
            position: relative;
            letter-spacing: 0.3px;
        }
        .faq-question::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-primary);
            border-radius: 0 2px 2px 0;
        }
        .faq-question .faq-icon {
            font-size: 20px;
            font-weight: 300;
            color: var(--color-primary);
            flex-shrink: 0;
            margin-left: var(--spacing-sm);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 20px 16px 20px;
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.8;
            display: none;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* ===== 标签索引 ===== */
        .tags-section {
            padding: var(--spacing-lg) 0;
        }
        .tags-section .section-title {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }
        .tag-cloud a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: var(--color-bg-soft);
            color: var(--color-text-light);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid transparent;
            transition: background-color var(--transition), color var(--transition), border-color var(--transition);
        }
        .tag-cloud a:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: var(--spacing-xs);
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: space-between;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 12px;
        }
        .footer-bottom-links a:hover {
            color: var(--color-primary);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-xxl: 48px;
                --header-height: 60px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-header h1 {
                font-size: 30px;
            }
            .product-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .hot-card {
                min-width: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }
            .comparison-table-wrap {
                border-radius: var(--radius-sm);
            }
            .cta-section h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 480px) {
            :root {
                --spacing-xl: 32px;
                --spacing-xxl: 40px;
                --spacing-md: 16px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .category-intro {
                font-size: 15px;
            }
            .product-card-body h3 {
                font-size: 16px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
            .logo {
                font-size: 22px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #B98A1F;
            --color-primary-dark: #A87F1D;
            --color-secondary: #2C3539;
            --color-bg: #F7F3EC;
            --color-text: #1F1F1F;
            --color-text-light: #6B6B6B;
            --color-card: #FFFFFF;
            --color-border: #E4D9C3;
            --color-accent: #BC3F3A;
            --color-bg-soft: #F0EAD9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(44, 53, 57, 0.06);
            --shadow-md: 0 8px 22px rgba(44, 53, 57, 0.12);
            --shadow-lg: 0 16px 40px rgba(44, 53, 57, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-title: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.is-stuck {
            box-shadow: 0 2px 16px rgba(44, 53, 57, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-md);
        }
        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 1px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--color-primary);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .nav-desktop a {
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 4px;
            position: relative;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 70%;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: 6px;
            gap: 5px;
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform 0.2s ease, opacity 0.2s ease;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            z-index: 999;
            flex-direction: column;
            padding: var(--spacing-md);
            overflow-y: auto;
        }
        .mobile-menu.is-open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 18px;
            font-weight: 500;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .mobile-menu a.active {
            color: var(--color-primary);
        }
        .mobile-menu a:hover {
            color: var(--color-primary);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--color-border);
            background: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-light);
            margin: 0;
        }
        .breadcrumb a {
            color: var(--color-text-light);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-border);
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ===== 分类页头 ===== */
        .page-header-section {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: var(--color-bg);
            position: relative;
        }
        .page-header-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), transparent);
        }
        .page-header-section h1 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 40px;
            line-height: 1.3;
            color: var(--color-text);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 1px;
        }
        .page-header-section .lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--color-text-light);
            max-width: 900px;
            margin: 0;
        }

        /* ===== 编辑列表（左右交替） ===== */
        .editor-list-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-bg);
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .section-header h2 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.3;
            color: var(--color-text);
            margin: 0;
            letter-spacing: 0.5px;
        }
        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
            background: rgba(185, 138, 31, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
        }
        .editor-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }
        .editor-card {
            display: flex;
            align-items: stretch;
            gap: var(--spacing-lg);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }
        .editor-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        .editor-card .card-img {
            flex: 0 0 320px;
            min-height: 220px;
            overflow: hidden;
            position: relative;
        }
        .editor-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .editor-card:hover .card-img img {
            transform: scale(1.04);
        }
        .editor-card .card-body {
            flex: 1;
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .editor-card .card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-xs);
            flex-wrap: wrap;
        }
        .editor-card .card-date {
            font-size: 13px;
            color: var(--color-text-light);
        }
        .editor-card .card-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-primary-dark);
            background: rgba(185, 138, 31, 0.1);
            padding: 2px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
        }
        .editor-card h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 20px;
            line-height: 1.4;
            margin: 0 0 var(--spacing-xs);
            color: var(--color-text);
        }
        .editor-card h3 a:hover {
            color: var(--color-primary);
        }
        .editor-card .card-excerpt {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-light);
            margin: 0 0 var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .editor-card .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition), color var(--transition);
        }
        .editor-card .card-link:hover {
            color: var(--color-primary-dark);
            gap: 8px;
        }
        .editor-card:nth-child(even) {
            flex-direction: row-reverse;
        }
        .list-more {
            display: flex;
            justify-content: center;
            margin-top: var(--spacing-lg);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: var(--color-secondary);
            border: 1px solid var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-bg-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        /* ===== 热门推荐 ===== */
        .featured-section {
            padding: var(--spacing-xl) 0;
            background: rgba(255, 255, 255, 0.5);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .featured-scroll {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding-bottom: var(--spacing-sm);
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .featured-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .featured-scroll::-webkit-scrollbar-track {
            background: var(--color-bg-soft);
            border-radius: 3px;
        }
        .featured-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }
        .featured-scroll::-webkit-scrollbar-thumb:hover {
            background: var(--color-primary);
        }
        .featured-item {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }
        .featured-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }
        .featured-item .featured-img {
            height: 180px;
            overflow: hidden;
        }
        .featured-item .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .featured-item:hover .featured-img img {
            transform: scale(1.04);
        }
        .featured-item .featured-body {
            padding: var(--spacing-sm);
        }
        .featured-item .featured-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-primary);
            display: inline-block;
            margin-bottom: 6px;
        }
        .featured-item h4 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 16px;
            line-height: 1.45;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .featured-item .featured-date {
            font-size: 12px;
            color: var(--color-text-light);
        }

        /* ===== 时间线 ===== */
        .timeline-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-bg);
        }
        .timeline-wrap {
            position: relative;
            padding-left: 0;
            max-width: 900px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
        }
        .timeline-item {
            position: relative;
            padding-left: 48px;
            margin-bottom: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid var(--color-bg);
            box-shadow: 0 0 0 1px var(--color-primary);
        }
        .timeline-item .timeline-year {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 18px;
            color: var(--color-primary);
            letter-spacing: 0.5px;
        }
        .timeline-item h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 18px;
            line-height: 1.4;
            margin: 0 0 4px;
            color: var(--color-text);
        }
        .timeline-item p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-light);
            margin: 0;
        }

        /* ===== CTA 宽幅 ===== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-secondary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(185, 138, 31, 0.12);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(188, 63, 58, 0.15);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        .cta-inner .cta-text {
            flex: 1;
            max-width: 650px;
        }
        .cta-inner .cta-text h2 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 30px;
            line-height: 1.35;
            color: #fff;
            margin: 0 0 var(--spacing-xs);
            letter-spacing: 0.5px;
        }
        .cta-inner .cta-text p {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }
        .cta-inner .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            flex-shrink: 0;
        }
        .cta-inner .btn-light {
            background-color: #fff;
            color: var(--color-secondary);
            border: 2px solid #fff;
        }
        .cta-inner .btn-light:hover {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .cta-inner .btn-transparent {
            background-color: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .cta-inner .btn-transparent:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ===== 标签云 ===== */
        .tags-section {
            padding: var(--spacing-xl) 0;
            background: rgba(255, 255, 255, 0.5);
            border-top: 1px solid var(--color-border);
        }
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tags-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            padding: 6px 16px;
            border-radius: 20px;
            transition: all var(--transition);
        }
        .tags-cloud a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background: rgba(185, 138, 31, 0.06);
        }
        .tags-cloud a .tag-count {
            font-size: 12px;
            color: var(--color-text-light);
            background: var(--color-bg-soft);
            padding: 1px 8px;
            border-radius: 10px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 15px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 16px;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--color-primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 6px;
            }
            .nav-desktop a {
                font-size: 13px;
                padding: 5px 7px;
            }
            .editor-card .card-img {
                flex: 0 0 240px;
                min-height: 190px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --spacing-xl: 40px;
                --spacing-xxl: 48px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                padding: var(--spacing-sm);
            }
            .mobile-menu a {
                font-size: 16px;
                padding: 12px 0;
            }
            .page-header-section h1 {
                font-size: 30px;
            }
            .page-header-section .lead {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .editor-card {
                flex-direction: column !important;
            }
            .editor-card .card-img {
                flex: none;
                width: 100%;
                height: 220px;
                min-height: 0;
            }
            .editor-card .card-body {
                padding: var(--spacing-sm);
            }
            .editor-card h3 {
                font-size: 17px;
            }
            .editor-card .card-excerpt {
                font-size: 14px;
            }
            .featured-item {
                flex: 0 0 260px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-inner .cta-text h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-xl: 32px;
                --spacing-xxl: 40px;
                --spacing-md: 16px;
            }
            .logo {
                font-size: 20px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
            .page-header-section h1 {
                font-size: 26px;
            }
            .page-header-section .lead {
                font-size: 14px;
                line-height: 1.8;
            }
            .editor-card .card-img {
                height: 180px;
            }
            .editor-card h3 {
                font-size: 16px;
            }
            .editor-card .card-excerpt {
                font-size: 14px;
                -webkit-line-clamp: 2;
            }
            .featured-item {
                flex: 0 0 240px;
            }
            .featured-item .featured-img {
                height: 140px;
            }
            .cta-inner .cta-text h2 {
                font-size: 20px;
            }
            .cta-inner .cta-text p {
                font-size: 14px;
            }
            .btn {
                padding: 8px 18px;
                font-size: 14px;
            }
            .tags-cloud a {
                font-size: 13px;
                padding: 5px 12px;
            }
            .timeline-item {
                padding-left: 36px;
            }
            .timeline-wrap::before {
                left: 8px;
            }
            .timeline-item::before {
                left: 2px;
                width: 12px;
                height: 12px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #B98A1F;
            --color-primary-dark: #A87F1D;
            --color-secondary: #2C3539;
            --color-bg: #F7F3EC;
            --color-text: #1F1F1F;
            --color-text-light: #6B6B6B;
            --color-card: #FFFFFF;
            --color-border: #E4D9C3;
            --color-accent: #BC3F3A;
            --color-bg-soft: #F0EAD9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(44, 53, 57, 0.06);
            --shadow-md: 0 8px 22px rgba(44, 53, 57, 0.12);
            --shadow-lg: 0 16px 40px rgba(44, 53, 57, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-title: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Noto Sans SC', '思源黑体', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.2s ease;
        }
        @media (max-width: 1024px) {
            :root {
                --spacing-xl: 48px;
                --spacing-xxl: 56px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-xl: 40px;
                --spacing-xxl: 48px;
                --header-height: 60px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-xl: 32px;
                --spacing-xxl: 40px;
                --spacing-md: 16px;
            }
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.is-stuck {
            box-shadow: 0 2px 16px rgba(44, 53, 57, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-md);
        }
        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            letter-spacing: 1px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--color-primary);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .nav-desktop a {
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 4px;
            position: relative;
            color: var(--color-text);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 70%;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            gap: 5px;
            border-radius: var(--radius-sm);
            padding: 8px;
            background: transparent;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--color-bg-soft);
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 4px;
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-primary);
        }
        /* 面包屑 */
        .breadcrumb-wrap {
            padding: var(--spacing-md) 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-light);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li + li::before {
            content: '>';
            color: var(--color-text-light);
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--color-text-light);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }
        /* 页面头部 */
        .page-header {
            padding: var(--spacing-lg) 0 var(--spacing-md);
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .page-header h1 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 40px;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 1px;
        }
        .page-header .page-intro {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-light);
            margin: 0 auto;
        }
        /* 板块通用 */
        .section-block {
            padding: var(--spacing-xl) 0;
        }
        .section-block:nth-of-type(even) {
            background: var(--color-card);
        }
        .section-block:nth-of-type(odd) {
            background: var(--color-bg);
        }
        .section-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-lg);
        }
        /* 主体列表 */
        .trend-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .trend-card {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: var(--spacing-lg);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }
        .trend-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        .trend-card-image {
            width: 100%;
            height: 100%;
            min-height: 160px;
            overflow: hidden;
            position: relative;
            background: var(--color-bg-soft);
        }
        .trend-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .trend-card:hover .trend-card-image img {
            transform: scale(1.05);
        }
        .trend-card-body {
            padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-xs);
        }
        .trend-card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-light);
        }
        .trend-card-tag {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            border-radius: 20px;
            background: var(--color-bg-soft);
            color: var(--color-primary);
            font-weight: 500;
            font-size: 12px;
        }
        .trend-card-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 18px;
            line-height: 1.5;
            color: var(--color-text);
            transition: color var(--transition);
        }
        .trend-card:hover .trend-card-title {
            color: var(--color-primary);
        }
        .trend-card-excerpt {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-light);
        }
        .trend-link {
            align-self: flex-start;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            border-bottom: 1px solid transparent;
        }
        .trend-link:hover {
            border-bottom-color: var(--color-primary);
            color: var(--color-primary-dark);
        }
        .view-all-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: var(--spacing-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            border-bottom: 1px solid var(--color-primary);
            padding-bottom: 2px;
        }
        .view-all-link:hover {
            color: var(--color-primary-dark);
            border-bottom-color: var(--color-primary-dark);
        }
        /* 热门推荐 */
        .hot-picks {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .pick-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }
        .pick-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-3px);
        }
        .pick-card-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .pick-card-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 17px;
            line-height: 1.5;
            color: var(--color-text);
        }
        .pick-card-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-light);
        }
        .pick-card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
        }
        .pick-card-link:hover {
            color: var(--color-primary-dark);
        }
        /* 知识块 */
        .topic-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: start;
        }
        .topic-text h2 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: var(--spacing-md);
        }
        .topic-text h3 {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 18px;
            line-height: 1.5;
            color: var(--color-text);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-xs);
        }
        .topic-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
        }
        .topic-visual {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .topic-visual img {
            width: 100%;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .topic-visual-caption {
            font-size: 13px;
            color: var(--color-text-light);
            text-align: center;
        }
        .chart-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-soft);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
        }
        .chart-badge-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
        }
        .chart-badge-dot.accent {
            background: var(--color-accent);
        }
        /* CTA */
        .cta-banner {
            background: var(--color-secondary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            color: #F7F3EC;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(185, 138, 31, 0.15);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(185, 138, 31, 0.1);
        }
        .cta-banner h2 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(247, 243, 236, 0.8);
            margin-bottom: var(--spacing-lg);
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-text);
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: var(--color-text);
        }
        .btn-outline-light {
            background: transparent;
            color: #F7F3EC;
            border-color: rgba(247, 243, 236, 0.4);
        }
        .btn-outline-light:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }
        /* 标签索引 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background: var(--color-card);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-bg-soft);
        }
        /* 页脚 */
        .site-footer {
            background: var(--color-secondary);
            color: #F7F3EC;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 24px;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(247, 243, 236, 0.7);
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 16px;
            margin-bottom: var(--spacing-sm);
            color: #fff;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(247, 243, 236, 0.7);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(247, 243, 236, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(247, 243, 236, 0.55);
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
            margin-left: auto;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(247, 243, 236, 0.55);
        }
        .footer-bottom-links a:hover {
            color: var(--color-primary);
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 6px;
            }
            .nav-desktop a {
                padding: 6px 6px;
                font-size: 13px;
            }
            .trend-card {
                grid-template-columns: 200px 1fr;
                gap: var(--spacing-md);
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .page-header h1 {
                font-size: 32px;
            }
            .trend-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .trend-card-image {
                min-height: 160px;
                max-height: 200px;
            }
            .trend-card-body {
                padding: var(--spacing-md);
            }
            .hot-picks {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .cta-banner {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom-links {
                margin-left: 0;
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .logo {
                font-size: 22px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .trend-card-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}