/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #ea580c;
            --accent-hover: #c2410c;
            --bg-light: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --border-color: #e2e8f0;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.12);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font-stack);
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.65;
        }

        body {
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部通栏与导航 */
        .top-bar {
            background-color: #0b0f17;
            color: #94a3b8;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .top-bar-contact {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .badge-hot {
            background: var(--accent);
            color: #fff;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
        }

        header.site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: bold;
            border-left: 3px solid var(--accent);
        }
        .nav-menu {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .nav-link {
            font-weight: 500;
            color: var(--text-muted);
            font-size: 15px;
            position: relative;
            padding: 8px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.25s;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .btn-nav {
            background: var(--accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
        }
        .btn-nav:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }

        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            padding: 8px 12px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 18px;
        }

        /* 通用区块排版 */
        section {
            padding: 80px 0;
        }
        .section-header {
            max-width: 820px;
            margin: 0 auto 50px auto;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            color: var(--accent);
            background: rgba(234, 88, 12, 0.1);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 按钮体系 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            padding: 14px 30px;
            font-weight: 600;
            font-size: 16px;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 14px rgba(234, 88, 12, 0.35);
            border: 1px solid transparent;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            padding: 14px 28px;
            font-weight: 600;
            font-size: 16px;
            border-radius: var(--radius-sm);
            border: 1px solid #cbd5e1;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: #f1f5f9;
            border-color: var(--primary);
        }

        /* 1. Hero 区域：前后对比与看板 */
        .hero-section {
            background: linear-gradient(135deg, #090e17 0%, #172338 100%);
            color: #fff;
            padding: 90px 0 100px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('/assets/images/38c4489a1ff6e949.webp') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 22px;
            letter-spacing: -0.5px;
        }
        .hero-content h1 span {
            color: var(--accent);
        }
        .hero-lead {
            font-size: 16px;
            line-height: 1.8;
            color: #cbd5e1;
            margin-bottom: 35px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-feature-tags {
            margin-top: 35px;
            display: flex;
            gap: 20px;
            font-size: 13px;
            color: #94a3b8;
        }
        .hero-feature-tags span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-feature-tags span::before {
            content: '●';
            color: var(--accent);
            font-size: 10px;
        }

        /* Hero 对比看板组件 */
        .hero-compare-card {
            background: rgba(30, 41, 59, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            backdrop-filter: blur(12px);
        }
        .compare-header {
            font-size: 16px;
            font-weight: 700;
            color: #f8fafc;
            margin-bottom: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .compare-side-by-side {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 20px;
        }
        .compare-box {
            background: rgba(15, 23, 42, 0.7);
            padding: 16px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .compare-box.before {
            border-left: 3px solid #ef4444;
        }
        .compare-box.after {
            border-left: 3px solid #22c55e;
        }
        .compare-badge {
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .badge-bad { background: rgba(239, 68, 68, 0.2); color: #f87171; }
        .badge-good { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
        .compare-list {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.6;
        }
        .compare-list li {
            margin-bottom: 6px;
        }

        /* 2. 核心指标看板 (Data Dashboard) */
        .stats-bar-section {
            background: #ffffff;
            padding: 40px 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            z-index: 10;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .stat-item {
            text-align: center;
            position: relative;
        }
        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-color);
        }
        .stat-num {
            font-size: 38px;
            font-weight: 900;
            color: var(--primary);
            font-family: monospace, sans-serif;
            display: block;
            margin-bottom: 4px;
        }
        .stat-num span {
            color: var(--accent);
            font-size: 24px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 3. 产线与车间技术能力 (Brand & Standards) */
        .section-workshop {
            background: #ffffff;
        }
        .workshop-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .workshop-image-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .workshop-image-box img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .workshop-badge-floating {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(15, 23, 42, 0.9);
            color: #fff;
            padding: 15px 20px;
            border-radius: var(--radius-md);
            font-size: 14px;
            border-left: 4px solid var(--accent);
        }
        .workshop-info h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--primary);
        }
        .workshop-feature-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .feature-card-sm {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--bg-light);
            padding: 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .feature-sm-icon {
            font-size: 20px;
            background: var(--primary);
            color: #fff;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            flex-shrink: 0;
        }

        /* 4. 全系统汽车维修服务矩阵 */
        .service-matrix-section {
            background: var(--bg-light);
        }
        .service-grid-6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .service-card-img {
            height: 190px;
            overflow: hidden;
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            transition: transform 0.4s;
        }
        .service-card:hover .service-card-img img {
            transform: scale(1.05);
        }
        .service-card-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .service-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .service-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
        }

        /* 5. 原厂参数与配件标准表 (Parameters Table) */
        .params-section {
            background: #ffffff;
        }
        .params-table-container {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .params-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }
        .params-table th {
            background: var(--primary);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
        }
        .params-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-muted);
        }
        .params-table tr:nth-child(even) td {
            background-color: #f8fafc;
        }
        .params-table tr:hover td {
            background-color: #f1f5f9;
        }
        .highlight-td {
            font-weight: 700;
            color: var(--primary);
        }

        /* 6. 标准化汽车维修交付流程 (Inspection & Process) */
        .process-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
        }
        .process-flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-md);
            position: relative;
        }
        .step-index {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin-bottom: 16px;
            font-size: 15px;
            border: 2px solid var(--accent);
        }
        .step-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 7. 深色实战案例与工匠日志 (Case Studies) */
        .cases-section {
            background: #0f172a;
            color: #fff;
        }
        .cases-section .section-title {
            color: #fff;
        }
        .cases-section .section-desc {
            color: #94a3b8;
        }
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .case-card {
            background: #1e293b;
            border: 1px solid #334155;
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .case-card-img {
            height: 180px;
        }
        .case-card-img img {
            width: 100%;
            height: 100%;
        }
        .case-body {
            padding: 22px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .case-tag {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .case-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #f8fafc;
        }
        .case-desc {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.6;
            margin-bottom: 16px;
            flex-grow: 1;
        }
        .case-footer {
            font-size: 12px;
            color: #64748b;
            border-top: 1px solid #334155;
            padding-top: 12px;
            display: flex;
            justify-content: space-between;
        }

        /* 8. 真实车主服务故事 (User Stories) */
        .stories-section {
            background: #f8fafc;
        }
        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .story-item {
            background: #fff;
            padding: 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            display: flex;
            gap: 20px;
        }
        .story-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #e2e8f0;
            flex-shrink: 0;
            overflow: hidden;
        }
        .story-avatar img {
            width: 100%;
            height: 100%;
        }
        .story-main h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .story-car {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .story-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 9. 口碑与评价墙 (Reviews) */
        .reviews-section {
            background: #ffffff;
        }
        .review-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .review-card {
            background: #f8fafc;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .review-stars {
            color: #eab308;
            font-size: 14px;
            margin-bottom: 12px;
        }
        .review-content {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .review-author {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        /* 10. 平台保障与服务承诺 (Guarantees) */
        .guarantee-section {
            background: #0b0f17;
            color: #fff;
            padding: 60px 0;
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .guarantee-item {
            text-align: center;
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
        }
        .guarantee-icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .guarantee-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .guarantee-desc {
            font-size: 13px;
            color: #94a3b8;
        }

        /* 11. 维修资讯与养护百科 (News & Tech) */
        .news-section {
            background: #ffffff;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .news-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .news-img {
            height: 170px;
        }
        .news-body {
            padding: 20px;
        }
        .news-date {
            font-size: 12px;
            color: #94a3b8;
            margin-bottom: 8px;
        }
        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-snippet {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 12. 战略合作伙伴与认证品牌 */
        .partners-section {
            background: #f8fafc;
            padding: 50px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .partner-list {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .partner-item {
            font-size: 15px;
            font-weight: 700;
            color: #64748b;
            padding: 10px 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
        }

        /* 13. 常见问题解答与快速解答 (FAQ) */
        .faq-section {
            background: #ffffff;
        }
        .faq-container {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 20px;
            color: var(--accent);
            font-weight: bold;
            transition: transform 0.2s;
        }
        .faq-item[open] summary::after {
            content: '−';
        }
        .faq-item[open] summary {
            border-bottom: 1px solid var(--border-color);
            background: #f8fafc;
        }
        .faq-answer {
            padding: 18px 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 14. 综合转化与预约询价 (Appointment Form) */
        .contact-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 80px 0;
        }
        .contact-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .contact-info-panel h3 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .contact-info-panel p {
            font-size: 15px;
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .contact-quick-tel {
            background: rgba(234, 88, 12, 0.15);
            border: 1px solid var(--accent);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-bottom: 20px;
        }
        .contact-quick-tel span {
            font-size: 13px;
            color: #fdba74;
            display: block;
            margin-bottom: 4px;
        }
        .contact-quick-tel strong {
            font-size: 28px;
            color: #fff;
            font-family: monospace;
        }

        .booking-form {
            background: #ffffff;
            color: var(--text-main);
            padding: 32px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--primary);
        }
        .form-control {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s;
        }
        .form-control:focus {
            border-color: var(--accent);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
        }
        .btn-submit:hover {
            background: var(--accent-hover);
        }

        /* 统一页脚 (Footer) */
        footer.site-footer {
            background: #090e17;
            color: #94a3b8;
            padding: 70px 0 30px 0;
            border-top: 1px solid #1e293b;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .service-grid-6, .case-grid, .news-grid, .review-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow-grid, .guarantee-grid, .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item:nth-child(2)::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .hero-grid, .workshop-grid, .contact-box, .stories-grid {
                grid-template-columns: 1fr;
            }
            .service-grid-6, .case-grid, .news-grid, .review-grid-3, .process-flow-grid, .guarantee-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .stat-item::after {
                display: none !important;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 25px;
            }
        }