/* roulang page: index */
:root {
            --primary: #1A1A1A;
            --secondary: #7A1F2B;
            --accent: #C9A96E;
            --bg: #F5F1EB;
            --card-bg: #FFFFFF;
            --text-main: #1A1A1A;
            --text-sub: #5F5A55;
            --text-light: #FFFFFF;
            --border: #E5E0D8;
            --radius: 10px;
            --shadow: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.12);
            --space-sm: 12px;
            --space-md: 24px;
            --space-lg: 48px;
            --space-xl: 72px;
            --font-title: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
            --font-body: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg);
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #9A2836;
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input, select, textarea {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部信息条 */
        .top-bar {
            background: var(--primary);
            color: var(--text-light);
            font-size: 13px;
            height: 36px;
            line-height: 36px;
            position: relative;
            z-index: 100;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar .top-domain {
            color: var(--accent);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .top-bar .top-action {
            color: var(--text-light);
            transition: color 0.25s ease;
        }

        .top-bar .top-action:hover {
            color: var(--accent);
        }

        /* 主导航 */
        .main-nav {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 99;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }

        .main-nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 64px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-brand .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--secondary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            transform: skewX(-6deg);
        }

        .nav-brand .brand-mark i {
            transform: skewX(6deg);
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
        }

        .nav-links li a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            transition: color 0.25s ease;
            letter-spacing: 0.3px;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width 0.3s ease;
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

        .nav-links li a.active {
            color: var(--secondary);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-block;
            background: var(--secondary);
            color: var(--text-light);
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: #9A2836;
            color: var(--text-light);
            transform: translateY(-1px);
        }

        /* 移动端汉堡按钮 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
        }

        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(rgba(26,26,26,0.88), rgba(26,26,26,0.92)), url('/assets/images/1093c4cc104caae0.webp') no-repeat center center;
            background-size: cover;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(122,31,43,0.15) 0%, rgba(201,169,110,0.05) 100%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 38px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            font-family: var(--font-title);
        }

        .hero-content h1 .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-content p {
            font-size: 15px;
            color: rgba(255,255,255,0.78);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--secondary);
            color: var(--text-light);
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 2px solid var(--secondary);
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
        }

        .btn-primary:hover {
            background: #9A2836;
            border-color: #9A2836;
            color: var(--text-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(122,31,43,0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-light);
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            border: 2px solid rgba(255,255,255,0.5);
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
        }

        .btn-outline-light:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .hero-stat-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            backdrop-filter: blur(8px);
        }

        .hero-stat-card .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            font-family: var(--font-title);
        }

        .hero-stat-card .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }

        /* 倒计时条 */
        .hero-countdown {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201,169,110,0.15);
            border: 1px solid rgba(201,169,110,0.4);
            padding: 8px 16px;
            border-radius: 6px;
            margin-bottom: 20px;
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 0.5px;
        }

        .hero-countdown i {
            font-size: 14px;
        }

        /* Section 通用样式 */
        .section {
            padding: var(--space-xl) 0;
        }

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

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

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

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            font-family: var(--font-title);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

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

        .section-header p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 680px;
        }

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

        .section-tag {
            display: inline-block;
            background: rgba(122,31,43,0.08);
            color: var(--secondary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-dark .section-tag {
            background: rgba(201,169,110,0.15);
            color: var(--accent);
        }

        /* 卡片通用 */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: var(--space-md);
            transition: all 0.3s ease;
        }

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

        /* 服务矩阵 */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .matrix-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 22px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            text-align: center;
        }

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

        .matrix-card .matrix-icon {
            width: 52px;
            height: 52px;
            background: rgba(122,31,43,0.06);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
            color: var(--secondary);
            transition: all 0.3s ease;
        }

        .matrix-card:hover .matrix-icon {
            background: var(--secondary);
            color: var(--text-light);
            transform: scale(1.05);
        }

        .matrix-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .matrix-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
            min-height: 48px;
        }

        .matrix-card .text-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--secondary);
            transition: color 0.3s ease;
        }

        .matrix-card .text-link:hover {
            color: #9A2836;
        }

        /* 对比板块 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr 1fr;
            gap: 20px;
            align-items: stretch;
        }

        .compare-col {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .compare-col:hover {
            box-shadow: var(--shadow-hover);
        }

        .compare-col.featured {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A1A1D 100%);
            border-color: var(--secondary);
            color: var(--text-light);
            transform: scale(1.02);
        }

        .compare-col h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .compare-col.featured h3 {
            color: var(--accent);
        }

        .compare-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 14px;
            color: var(--text-sub);
        }

        .compare-col.featured .compare-item {
            color: rgba(255,255,255,0.8);
        }

        .compare-item i {
            font-size: 14px;
            width: 18px;
            text-align: center;
        }

        .compare-item .fa-check {
            color: #2E7D32;
        }

        .compare-col.featured .compare-item .fa-check {
            color: var(--accent);
        }

        .compare-item .fa-times {
            color: #B71C1C;
        }

        .compare-col.featured .compare-item .fa-times {
            color: rgba(255,100,100,0.7);
        }

        .compare-bar {
            height: 6px;
            background: #E8E4DE;
            border-radius: 3px;
            margin-top: 12px;
            overflow: hidden;
        }

        .compare-bar .bar-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--accent);
            transition: width 0.8s ease;
        }

        /* 场景卡 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scene-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .scene-card .scene-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.4s ease;
        }

        .scene-card:hover .scene-bg {
            transform: scale(1.04);
        }

        .scene-card .scene-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(26,26,26,0.92) 0%, rgba(26,26,26,0.3) 60%, rgba(26,26,26,0.1) 100%);
        }

        .scene-card .scene-content {
            position: relative;
            z-index: 2;
            padding: 24px;
            color: var(--text-light);
        }

        .scene-card .scene-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .scene-card .scene-content p {
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 10px;
        }

        .scene-card .scene-content a {
            font-size: 13px;
            color: var(--accent);
            font-weight: 500;
        }

        /* 精选单品 */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .product-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

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

        .product-card .product-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #EDE8E2;
        }

        .product-card .product-body {
            padding: 18px 16px;
        }

        .product-card .product-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .product-card .product-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 12px;
            min-height: 42px;
        }

        .product-card .product-price {
            font-size: 16px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .product-card .btn-outline {
            display: inline-block;
            padding: 6px 16px;
            border: 1px solid var(--secondary);
            border-radius: 6px;
            color: var(--secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .product-card .btn-outline:hover {
            background: var(--secondary);
            color: var(--text-light);
        }

        /* 里程碑时间线 */
        .timeline {
            position: relative;
            padding-left: 30px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }

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

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 5px;
            width: 13px;
            height: 13px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--secondary);
        }

        .timeline-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-sub);
        }

        /* 资讯列表 */
        .news-list {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .news-list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease;
        }

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

        .news-list-item:hover {
            background: var(--bg);
        }

        .news-list-item .news-left {
            flex: 1;
            min-width: 0;
        }

        .news-list-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            display: block;
            transition: color 0.3s ease;
        }

        .news-list-item .news-title:hover {
            color: var(--secondary);
        }

        .news-list-item .news-summary {
            font-size: 13px;
            color: var(--text-sub);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 600px;
        }

        .news-list-item .news-meta {
            text-align: right;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .news-list-item .news-date {
            font-size: 13px;
            color: var(--text-sub);
            display: block;
        }

        .news-list-item .news-tag {
            font-size: 12px;
            color: var(--accent);
            font-weight: 500;
        }

        /* 保障板块 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            text-align: center;
            padding: 24px 16px;
        }

        .guarantee-item .guarantee-icon {
            width: 48px;
            height: 48px;
            background: rgba(201,169,110,0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 20px;
            color: var(--accent);
        }

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

        .guarantee-item p {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            line-height: 1.6;
        }

        /* 快速解答 */
        .quick-faq-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .quick-faq-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 22px 20px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .quick-faq-card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .quick-faq-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .quick-faq-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .quick-faq-card a {
            font-size: 13px;
            font-weight: 500;
            color: var(--secondary);
        }

        /* FAQ 手风琴 */
        .accordion-custom {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

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

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--card-bg);
            transition: all 0.3s ease;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            font-size: 14px;
            color: var(--secondary);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question {
            background: #FBF7F2;
            color: var(--secondary);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
            border-left: 3px solid var(--secondary);
        }

        /* 用户口碑 */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

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

        .review-card .review-stars {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 12px;
        }

        .review-card .review-text {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .review-card .review-author {
            font-size: 13px;
            color: var(--text-sub);
            font-weight: 500;
        }

        /* 转化表单 */
        .form-section {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A1F1D 100%);
            border-radius: 14px;
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .form-left h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 14px;
        }

        .form-left p {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .form-left .privacy-note {
            font-size: 12px;
            color: rgba(255,255,255,0.5);
        }

        .form-right .form-group {
            margin-bottom: 16px;
        }

        .form-right label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255,255,255,0.8);
            margin-bottom: 6px;
        }

        .form-right input,
        .form-right select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 6px;
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.06);
            color: var(--text-light);
            font-size: 14px;
            transition: border-color 0.3s ease;
        }

        .form-right input::placeholder {
            color: rgba(255,255,255,0.4);
        }

        .form-right input:focus,
        .form-right select:focus {
            outline: none;
            border-color: var(--accent);
        }

        .form-right select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23C9A96E' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .form-right .btn-submit {
            width: 100%;
            background: var(--secondary);
            color: var(--text-light);
            border: none;
            padding: 12px 24px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .form-right .btn-submit:hover {
            background: #9A2836;
            transform: translateY(-1px);
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
            font-family: var(--font-title);
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            transition: color 0.3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom span {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-col.featured {
                transform: none;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .quick-faq-grid {
                grid-template-columns: 1fr;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .form-section {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 100px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                padding: 20px 24px;
                gap: 14px;
                box-shadow: 0 8px 24px rgba(0,0,0,0.1);
                display: none;
                border-bottom: 2px solid var(--secondary);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                font-size: 16px;
                display: block;
                padding: 10px 0;
            }
            .nav-cta {
                align-self: flex-start;
                margin-top: 8px;
            }
            .hero {
                min-height: 480px;
                padding: 40px 0;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .product-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-list-item .news-meta {
                text-align: left;
                margin-left: 0;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -21px;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 22px;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn-primary, .btn-outline-light {
                width: 100%;
                text-align: center;
            }
            .form-section {
                padding: 24px 16px;
            }
            .top-bar .container {
                font-size: 12px;
            }
        }

        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-sub);
            font-size: 15px;
        }

/* roulang page: category1 */
:root {
            --primary: #1A1A1A;
            --secondary: #7A1F2B;
            --accent: #C9A96E;
            --bg: #F5F1EB;
            --card-bg: #FFFFFF;
            --text-main: #1A1A1A;
            --text-sub: #5F5A55;
            --text-light: #FFFFFF;
            --border: #E5E0D8;
            --radius: 10px;
            --shadow: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.12);
            --space-sm: 12px;
            --space-md: 24px;
            --space-lg: 48px;
            --space-xl: 72px;
            --font-title: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
            --font-body: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #9A2836;
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input, select, textarea {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            box-sizing: border-box;
        }

        /* 导航 */
        .main-nav {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 99;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }

        .main-nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 64px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-brand .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--secondary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            transform: skewX(-6deg);
        }

        .nav-brand .brand-mark i {
            transform: skewX(6deg);
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            transition: color 0.25s ease;
            letter-spacing: 0.3px;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width 0.3s ease;
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

        .nav-links li a.active {
            color: var(--secondary);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-block;
            background: var(--secondary);
            color: var(--text-light);
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: #9A2836;
            color: var(--text-light);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
        }

        /* 分类页首屏 */
        .category-hero {
            background: var(--primary);
            color: var(--text-light);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 60%;
            height: 180%;
            background: linear-gradient(135deg, rgba(122,31,43,0.28) 0%, rgba(201,169,110,0.08) 100%);
            transform: rotate(-12deg);
            pointer-events: none;
        }

        .category-hero .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-left h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 16px;
            font-family: var(--font-title);
            letter-spacing: 1px;
        }

        .category-hero .hero-left h1 .highlight {
            color: var(--accent);
        }

        .category-hero .hero-left .desc {
            color: rgba(255,255,255,0.8);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .hero-right {
            position: relative;
        }

        .hero-right .decor-img {
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.35);
            border: 1px solid rgba(201,169,110,0.25);
        }

        .hero-badge {
            position: absolute;
            background: rgba(26,26,26,0.85);
            border: 1px solid var(--accent);
            border-radius: 10px;
            padding: 14px 18px;
            color: #fff;
            box-shadow: 0 8px 20px rgba(0,0,0,0.25);
            backdrop-filter: blur(4px);
        }

        .hero-badge .num {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-badge .label {
            font-size: 12px;
            color: rgba(255,255,255,0.75);
            letter-spacing: 0.5px;
        }

        .hero-badge.b1 {
            top: 12px;
            left: -14px;
        }

        .hero-badge.b2 {
            bottom: 12px;
            right: -10px;
        }

        /* 子类锚点条 */
        .category-anchors {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 64px;
            z-index: 50;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }

        .category-anchors .container {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 12px 20px;
        }

        .category-anchors a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            background: #F7F4EF;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .category-anchors a:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        /* 通用 section */
        .section-block {
            padding: var(--space-lg) 0;
            background: var(--bg);
        }

        .section-block.alt {
            background: #FDFCFA;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
            font-family: var(--font-title);
            letter-spacing: 0.5px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: var(--space-md);
            line-height: 1.7;
        }

        /* 产品主体区 - 不对称网格 */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }

        .product-card-main,
        .product-card-mini {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .product-card-main:hover,
        .product-card-mini:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--secondary);
        }

        .product-card-main .img-wrap,
        .product-card-mini .img-wrap {
            background: #EBE5DC;
            position: relative;
            overflow: hidden;
        }

        .product-card-main .img-wrap {
            height: 260px;
        }

        .product-card-mini .img-wrap {
            height: 130px;
        }

        .product-card-main .img-wrap img,
        .product-card-mini .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .product-card-main .card-body,
        .product-card-mini .card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .product-card-main .card-body h3,
        .product-card-mini .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-main);
            font-family: var(--font-title);
        }

        .product-card-mini .card-body h3 {
            font-size: 16px;
        }

        .product-params {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            flex: 1;
        }

        .product-params li {
            font-size: 13px;
            color: var(--text-sub);
            padding: 4px 0;
            border-bottom: 1px dashed #EEE9E2;
            display: flex;
            justify-content: space-between;
        }

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

        .product-params li span:first-child {
            color: var(--text-sub);
        }

        .product-params li span:last-child {
            font-weight: 500;
            color: var(--text-main);
            text-align: right;
        }

        .more-link {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--secondary);
            align-self: flex-start;
            transition: all 0.3s ease;
        }

        .more-link i {
            margin-left: 4px;
            transition: transform 0.3s ease;
        }

        .more-link:hover i {
            transform: translateX(3px);
        }

        .mini-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        /* 特色标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .tag-pill {
            display: inline-block;
            padding: 10px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border);
            background: var(--card-bg);
            transition: all 0.25s ease;
        }

        .tag-pill.high {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .tag-pill.high:hover {
            background: #9A2836;
            transform: translateY(-2px);
        }

        .tag-pill.medium {
            border-color: var(--accent);
            color: var(--secondary);
            background: #FDF7EF;
        }

        .tag-pill.medium:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        .tag-pill.low {
            background: #F7F4EF;
            color: var(--text-sub);
        }

        .tag-pill.low:hover {
            background: #EFE9E1;
            transform: translateY(-2px);
        }

        /* 选购指南步骤条 */
        .steps-vertical {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            padding-left: 24px;
        }

        .steps-vertical::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: #E5DED5;
        }

        .step-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 24px;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-dot {
            position: absolute;
            left: -6px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--secondary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--secondary);
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 6px;
            font-family: var(--font-title);
            color: var(--text-main);
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.7;
        }

        /* 场景应用图文卡 */
        .scenario-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            transition: all 0.3s ease;
        }

        .scenario-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .scenario-card .img-wrap {
            min-height: 200px;
            background: #E9E3DB;
        }

        .scenario-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 200px;
        }

        .scenario-card .scenario-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .scenario-card .scenario-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text-main);
            font-family: var(--font-title);
        }

        .scenario-card .scenario-body p {
            font-size: 14px;
            color: var(--text-sub);
            margin: 0 0 14px;
            line-height: 1.7;
            flex: 1;
        }

        .scenario-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--secondary);
            align-self: flex-start;
        }

        .scenario-link:hover {
            color: #9A2836;
        }

        /* FAQ */
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 14px 18px;
            transition: all 0.25s ease;
        }

        .accordion-title:hover {
            background: #FDF7EF;
            border-color: var(--accent);
            color: var(--secondary);
        }

        .accordion-item.is-active .accordion-title {
            background: #FDF7EF;
            border-color: var(--secondary);
            color: var(--secondary);
        }

        .accordion-content {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-top: none;
            border-radius: 0 0 8px 8px;
            padding: 16px 18px;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--secondary);
            color: #fff;
            padding: 56px 20px;
            text-align: center;
            border-radius: 14px;
            box-shadow: 0 12px 30px rgba(122,31,43,0.2);
        }

        .cta-banner h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 10px;
            font-family: var(--font-title);
            color: #fff;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            margin: 0 0 24px;
        }

        .cta-btn {
            display: inline-block;
            background: #fff;
            color: var(--secondary);
            padding: 12px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            border: 2px solid #fff;
        }

        .cta-btn:hover {
            background: transparent;
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 48px 0 24px;
            margin-top: 48px;
        }

        .site-footer .container {
            display: block;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-title);
        }

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

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
            margin: 0 0 14px;
            font-family: var(--font-title);
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.75);
            font-size: 14px;
            transition: color 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .hero-right {
                max-width: 80%;
                margin: 0 auto;
            }

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

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

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

        @media (max-width: 768px) {
            .main-nav .container {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 20px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                background: var(--card-bg);
                padding: 10px 0;
                border-top: 1px solid var(--border);
            }

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

            .nav-links li {
                width: 100%;
            }

            .nav-links li a {
                display: block;
                padding: 10px 0;
                border-bottom: 1px solid #F1ECE5;
            }

            .nav-links li a.nav-cta {
                margin-top: 8px;
                text-align: center;
                border-bottom: none;
            }

            .category-hero {
                padding: 40px 0;
            }

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

            .hero-badge.b1 {
                left: 0;
                top: 8px;
            }

            .hero-badge.b2 {
                right: 0;
                bottom: 8px;
            }

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

            .product-card-main .img-wrap {
                height: 200px;
            }

            .product-card-mini .img-wrap {
                height: 160px;
            }

            .scenario-card {
                grid-template-columns: 1fr;
            }

            .scenario-card .img-wrap {
                min-height: 160px;
            }

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

            .section-block {
                padding: 32px 0;
            }
        }

        @media (max-width: 520px) {
            .category-anchors .container {
                gap: 6px;
                padding: 8px 12px;
            }

            .category-anchors a {
                padding: 6px 12px;
                font-size: 13px;
            }

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

            .tag-pill {
                padding: 8px 14px;
                font-size: 13px;
            }

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

/* roulang page: article */
:root {
            --primary: #1A1A1A;
            --secondary: #7A1F2B;
            --accent: #C9A96E;
            --bg: #F5F1EB;
            --card-bg: #FFFFFF;
            --text-main: #1A1A1A;
            --text-sub: #5F5A55;
            --text-light: #FFFFFF;
            --border: #E5E0D8;
            --radius: 10px;
            --shadow: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.12);
            --space-sm: 12px;
            --space-md: 24px;
            --space-lg: 48px;
            --space-xl: 72px;
            --font-title: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
            --font-body: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg);
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #9A2836;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        input, select, textarea {
            font-family: var(--font-body);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* 顶部信息条 */
        .top-bar {
            background: var(--primary);
            color: var(--text-light);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar .top-domain {
            color: var(--accent);
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .top-bar .top-action {
            color: var(--text-light);
            font-weight: 400;
            letter-spacing: 0.3px;
            transition: color 0.25s ease;
        }
        .top-bar .top-action:hover {
            color: var(--accent);
        }
        /* 主导航 */
        .main-nav {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 99;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .main-nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 64px;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .nav-brand .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--secondary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            transform: skewX(-6deg);
        }
        .nav-brand .brand-mark i {
            transform: skewX(6deg);
        }
        .nav-brand:hover {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
        }
        .nav-links li a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            transition: color 0.25s ease;
            letter-spacing: 0.3px;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width 0.3s ease;
        }
        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }
        .nav-links li a.active {
            color: var(--secondary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-block;
            background: var(--secondary);
            color: var(--text-light);
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: #9A2836;
            color: var(--text-light);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
        }
        /* 文章页主体 */
        .article-main {
            padding: var(--space-lg) 0 var(--space-xl);
            min-height: 60vh;
        }
        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: var(--space-md);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-sub);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb .separator {
            color: #C4BEB5;
        }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }
        /* 文章标题区 */
        .article-header {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: var(--space-lg);
            margin-bottom: var(--space-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .article-header h1 {
            font-family: var(--font-title);
            font-size: 30px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--space-md);
            letter-spacing: 0.3px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-sub);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--secondary);
            font-size: 14px;
        }
        .article-category-tag {
            display: inline-block;
            background: rgba(122,31,43,0.08);
            color: var(--secondary);
            border: 1px solid rgba(122,31,43,0.2);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        /* 正文阅读区 */
        .article-body-wrap {
            max-width: 720px;
            margin: 0 auto var(--space-lg);
        }
        .article-body {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: var(--space-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-main);
        }
        .article-body h2 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin: var(--space-lg) 0 var(--space-md);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
            letter-spacing: 0.3px;
        }
        .article-body h3 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin: var(--space-md) 0 var(--space-sm);
            letter-spacing: 0.2px;
        }
        .article-body p {
            margin-bottom: var(--space-sm);
            color: var(--text-main);
        }
        .article-body ul,
        .article-body ol {
            margin: var(--space-sm) 0 var(--space-md);
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(122,31,43,0.04);
            padding: var(--space-md);
            margin: var(--space-md) 0;
            border-radius: 0 8px 8px 0;
            color: var(--text-sub);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: var(--space-md) 0;
            box-shadow: var(--shadow);
        }
        .article-body a {
            color: var(--secondary);
            font-weight: 500;
        }
        .article-body a:hover {
            color: #9A2836;
            text-decoration: underline;
        }
        .article-empty {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: var(--space-xl);
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .article-empty p {
            color: var(--text-sub);
            font-size: 18px;
            margin-bottom: var(--space-md);
        }
        /* 相关推荐 */
        .related-section {
            margin-bottom: var(--space-lg);
        }
        .section-heading {
            margin-bottom: var(--space-md);
        }
        .section-heading h2 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.3px;
            margin-bottom: 4px;
        }
        .section-heading h2 .heading-accent {
            color: var(--secondary);
        }
        .section-heading p {
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--secondary);
        }
        .related-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            background-color: #E8E3DA;
        }
        .related-card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-title {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-title a {
            color: var(--text-main);
            transition: color 0.25s ease;
        }
        .related-card-title a:hover {
            color: var(--secondary);
        }
        .related-card-excerpt {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-time {
            font-size: 13px;
            color: #A09A93;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        /* 返回入口 */
        .back-entry {
            max-width: 720px;
            margin: 0 auto var(--space-lg);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            text-decoration: none;
            cursor: pointer;
            border: none;
            font-family: var(--font-body);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--secondary);
            color: var(--secondary);
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: var(--text-light);
            transform: translateY(-1px);
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--text-light);
            border: 1px solid var(--secondary);
        }
        .btn-primary:hover {
            background: #9A2836;
            color: var(--text-light);
            transform: translateY(-1px);
            border-color: #9A2836;
        }
        /* 私密提示横幅 */
        .private-tip-banner {
            background: linear-gradient(135deg, rgba(122,31,43,0.06), rgba(201,169,110,0.1));
            border: 1px solid rgba(201,169,110,0.35);
            border-radius: var(--radius);
            padding: var(--space-md) var(--space-lg);
            margin-bottom: var(--space-lg);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .private-tip-banner .tip-icon {
            width: 40px;
            height: 40px;
            background: var(--secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }
        .private-tip-banner .tip-content {
            flex: 1;
            min-width: 200px;
        }
        .private-tip-banner .tip-content h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 4px;
            letter-spacing: 0.3px;
        }
        .private-tip-banner .tip-content p {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 0;
        }
        /* 页脚上方 CTA 条 */
        .pre-footer-cta {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--space-lg);
            text-align: center;
            margin-bottom: var(--space-lg);
            position: relative;
            overflow: hidden;
        }
        .pre-footer-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(122,31,43,0.2) 0%, rgba(201,169,110,0.08) 100%);
            pointer-events: none;
        }
        .pre-footer-cta .cta-content {
            position: relative;
            z-index: 1;
        }
        .pre-footer-cta h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            letter-spacing: 0.4px;
        }
        .pre-footer-cta h2 .highlight {
            color: var(--accent);
        }
        .pre-footer-cta p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            margin-bottom: var(--space-md);
        }
        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.8);
            padding: var(--space-lg) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: 40px;
            padding-bottom: var(--space-lg);
        }
        .footer-brand .footer-logo {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255,255,255,0.6);
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding: var(--space-md) 0;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            text-align: center;
            letter-spacing: 0.3px;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                padding: var(--space-md) 20px;
                gap: 0;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(0,0,0,0.08);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 12px 0;
                border-bottom: 1px solid var(--border);
                font-size: 16px;
            }
            .nav-links li:last-child a {
                border-bottom: none;
            }
            .nav-links li a.nav-cta {
                display: inline-block;
                text-align: center;
                margin-top: 12px;
                padding: 10px 20px;
                border-bottom: none;
            }
            .nav-toggle {
                display: block;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-header h1 {
                font-size: 24px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-body {
                padding: var(--space-md);
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pre-footer-cta h2 {
                font-size: 22px;
            }
            .top-bar .top-action {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .article-header {
                padding: var(--space-md);
            }
            .article-header h1 {
                font-size: 20px;
            }
            .article-body {
                padding: var(--space-sm);
                font-size: 15px;
            }
            .related-section {
                margin-bottom: var(--space-md);
            }
            .private-tip-banner {
                padding: var(--space-sm) var(--space-md);
            }
            .pre-footer-cta {
                padding: var(--space-md);
            }
        }