/* roulang page: index */
:root {
            --primary: #0A5C36;
            --primary-light: #12804c;
            --primary-dark: #074226;
            --accent: #E65100;
            --accent-hover: #cf4900;
            --dark-section: #0F1F18;
            --dark-surface: #172a22;
            --bg-light: #F8FAF9;
            --bg-white: #FFFFFF;
            --text-main: #1F2937;
            --text-muted: #4B5563;
            --text-light: #9CA3AF;
            --border-color: #E5E7EB;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 25px -5px rgba(10,92,54,0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 顶部信息条 */
        .top-bar {
            background-color: #F3F4F6;
            font-size: 0.8125rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border-color);
            padding: 0.5rem 0;
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-left span {
            margin-right: 1.5rem;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background-color: #10B981;
            border-radius: 50%;
            display: inline-block;
        }

        /* 主导航 */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.8);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: -0.02em;
        }
        .brand-logo-badge {
            background: var(--primary);
            color: #fff;
            padding: 0.15rem 0.5rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .nav-menu {
            display: flex;
            gap: 1.75rem;
            list-style: none;
        }
        .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
        }
        .btn-cta-nav {
            background-color: var(--accent);
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9375rem;
            box-shadow: 0 2px 8px rgba(230, 81, 0, 0.25);
        }
        .btn-cta-nav:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        /* 移动端汉堡包 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.5rem;
        }

        /* 按钮通用 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
            text-align: center;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(10, 92, 54, 0.25);
        }
        .btn-primary:hover {
            background-color: var(--primary-light);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background-color: var(--accent);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(230, 81, 0, 0.3);
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-outline-white {
            border-color: rgba(255,255,255,0.4);
            color: #ffffff;
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(4px);
        }
        .btn-outline-white:hover {
            background: #ffffff;
            color: var(--text-main);
        }
        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1.05rem;
        }

        /* 板块样式通用 */
        .section {
            padding: 5.5rem 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 3.5rem auto;
        }
        .section-tag {
            display: inline-block;
            background-color: rgba(10, 92, 54, 0.08);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.3rem 0.85rem;
            border-radius: 9999px;
            margin-bottom: 0.85rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(1.85rem, 3.5vw, 2.35rem);
            line-height: 1.25;
            color: var(--text-main);
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 1. 首屏 Hero */
        .hero-section {
            position: relative;
            background: url('/assets/images/3f6772dd5124bc62.webp') center/cover no-repeat;
            color: #ffffff;
            padding: 6.5rem 0 7.5rem 0;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 34, 21, 0.94) 0%, rgba(15, 31, 24, 0.92) 50%, rgba(5, 20, 13, 0.96) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 920px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.4rem 1.1rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            margin-bottom: 1.75rem;
            backdrop-filter: blur(8px);
        }
        .hero-badge .pulse {
            width: 8px;
            height: 8px;
            background: #FF9800;
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(255, 152, 0, 0.3);
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.22;
            margin-bottom: 1.5rem;
            letter-spacing: -0.015em;
            color: #ffffff;
        }
        .hero-text {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.85;
            margin-bottom: 2.5rem;
            max-width: 840px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 1.25rem;
            margin-bottom: 3.5rem;
            flex-wrap: wrap;
        }
        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 2.5rem;
        }
        .metric-item-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }
        .metric-item-num span {
            color: #FF9800;
            font-size: 1.35rem;
        }
        .metric-item-label {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* 2. 数字化控制台体系架构 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        .console-mockup {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .console-mockup img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .console-float-badge {
            position: absolute;
            bottom: 1.5rem;
            right: 1.5rem;
            background: rgba(15, 31, 24, 0.9);
            color: #fff;
            padding: 1rem 1.25rem;
            border-radius: var(--radius-md);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.1);
            font-size: 0.85rem;
        }
        .spec-list {
            margin-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .spec-item {
            display: flex;
            gap: 1rem;
        }
        .spec-icon {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background: rgba(10, 92, 54, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .spec-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        .spec-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
        }

        /* 3. 核心优势矩阵 (3x2 栅格) */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .advantage-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2.25rem 2rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(10, 92, 54, 0.2);
        }
        .advantage-card:hover::before {
            opacity: 1;
        }
        .adv-num {
            font-size: 1.5rem;
            font-weight: 900;
            color: rgba(10, 92, 54, 0.15);
            margin-bottom: 1rem;
        }
        .adv-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-main);
        }
        .adv-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* 4. 核心套件对比大卡片 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .product-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .product-img-wrap {
            height: 210px;
            overflow: hidden;
        }
        .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-card:hover .product-img-wrap img {
            transform: scale(1.04);
        }
        .product-body {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .product-badge {
            display: inline-block;
            background: #E8F5E9;
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }
        .product-name {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .product-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        .product-features {
            list-style: none;
            margin-top: auto;
            border-top: 1px solid var(--border-color);
            padding-top: 1.25rem;
            margin-bottom: 1.5rem;
        }
        .product-features li {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .product-features li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 5. 深色案例与数字化理念区 */
        .section-dark {
            background-color: var(--dark-section);
            color: #ffffff;
        }
        .section-dark .section-title {
            color: #ffffff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }
        .dark-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        .dark-content h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            line-height: 1.3;
        }
        .dark-content p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }
        .dark-image-frame {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.15);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .dark-image-frame img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* 6. 实战场景与前后对比 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .scenario-box {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 2rem;
        }
        .scenario-tag {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .scenario-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .contrast-row {
            margin-bottom: 1rem;
            padding: 0.85rem;
            border-radius: 6px;
            font-size: 0.875rem;
        }
        .contrast-before {
            background: #FEF2F2;
            color: #991B1B;
            border-left: 3px solid #EF4444;
        }
        .contrast-after {
            background: #F0FDF4;
            color: #166534;
            border-left: 3px solid #22C55E;
        }
        .contrast-label {
            font-weight: 700;
            display: block;
            margin-bottom: 0.25rem;
        }

        /* 7. 关键数据统计横幅 */
        .stats-banner {
            background: linear-gradient(90deg, #0A5C36 0%, #074226 100%);
            color: #ffffff;
            padding: 3.5rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .stat-val {
            font-size: 2.75rem;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 0.5rem;
            color: #ffffff;
        }
        .stat-val small {
            font-size: 1.25rem;
            color: #FFB74D;
        }
        .stat-text {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* 8. 解决方案对比表 (我们 vs 传统) */
        .comparison-table-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }
        .comp-table th, .comp-table td {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .comp-table th {
            background: #F9FAFB;
            font-weight: 700;
            font-size: 0.95rem;
        }
        .comp-table td {
            font-size: 0.925rem;
        }
        .comp-table tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background: rgba(10, 92, 54, 0.03);
            color: var(--primary);
            font-weight: 600;
        }

        /* 9. 社会认同与评价墙 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .stars {
            color: #F59E0B;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .testi-text {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        .testi-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
        }
        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .author-info h4 {
            font-size: 0.9375rem;
            margin-bottom: 0.15rem;
        }
        .author-info p {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* 10. 资讯与行业研报内嵌 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-thumb {
            height: 190px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 1.5rem;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .news-title {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }
        .news-snippet {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
            line-height: 1.6;
        }
        .news-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        /* 11. 常见问题 (FAQ 手风琴) */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            padding: 1.25rem 1.5rem;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            font-size: 1.25rem;
            transition: transform 0.3s ease;
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            background: #FAFAFA;
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.8;
            padding: 0 1.5rem;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 1.25rem 1.5rem;
            border-top: 1px solid var(--border-color);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 12. 多重保障背书 */
        .guarantee-bar {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 3rem 0;
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        .guar-box {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .guar-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(10, 92, 54, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            flex-shrink: 0;
        }
        .guar-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.15rem;
        }
        .guar-desc {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        /* 13. 终极收口行动 CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-section) 0%, #072a1a 100%);
            color: #ffffff;
            padding: 5.5rem 0;
        }
        .cta-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2.5rem;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            line-height: 1.25;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 1.5rem;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .cta-input {
            width: 100%;
            padding: 0.9rem 1.25rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
        }
        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-input:focus {
            border-color: #FF9800;
            background: rgba(255, 255, 255, 0.15);
        }

        /* 页脚 */
        .site-footer {
            background-color: #0B1310;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
            padding: 4.5rem 0 2rem 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 3rem;
            margin-bottom: 3.5rem;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 1rem;
        }
        .footer-desc {
            line-height: 1.8;
            margin-bottom: 1.25rem;
        }
        .footer-title {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.8125rem;
        }

        /* 移动端吸底转化条 */
        .mobile-sticky-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            z-index: 999;
            box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
        }
        .mobile-sticky-bar .bar-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            height: 100%;
        }
        .mobile-bar-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
            height: 100%;
        }
        .mobile-bar-btn.btn-call {
            background: #ffffff;
            color: var(--primary);
        }
        .mobile-bar-btn.btn-book {
            background: var(--accent);
            color: #ffffff;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .advantage-grid, .products-grid, .scenarios-grid, .testimonials-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
            .stats-grid, .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-grid, .dark-layout, .cta-card {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                gap: 1rem;
            }
            .nav-menu.show {
                display: flex;
            }
            .top-bar {
                display: none;
            }
            .advantage-grid, .products-grid, .scenarios-grid, .testimonials-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid, .guarantee-grid, .hero-metrics {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .mobile-sticky-bar {
                display: block;
            }
            body {
                padding-bottom: 60px;
            }
            .btn-cta-nav {
                display: none;
            }
            .section {
                padding: 4rem 0;
            }
        }