/* roulang page: index */
:root {
            --primary: #6366F1;
            --primary-dark: #4F46E5;
            --secondary: #06B6D4;
            --secondary-dark: #0891B2;
            --accent: #F43F5E;
            --accent-hover: #E11D48;
            --bg-body: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-dark: #0F172A;
            --bg-darker: #090D16;
            --card-dark: #1E293B;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --text-white: #F8FAFC;
            --border-light: #E2E8F0;
            --border-dark: #334155;
            --gradient-primary: linear-gradient(135deg, #6366F1 0%, #06B6D4 100%);
            --gradient-accent: linear-gradient(135deg, #F43F5E 0%, #FB7185 100%);
            --gradient-dark: radial-gradient(circle at top, #1E1B4B 0%, #0F172A 100%);
            --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.1);
            --shadow-lg: 0 20px 40px -15px rgba(99, 102, 241, 0.18);
            --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.35);
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础重置 */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input, select, textarea {
            font: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 徽章与标签 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 0.8125rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            border: 1px solid rgba(99, 102, 241, 0.25);
            background: rgba(99, 102, 241, 0.08);
            color: var(--primary);
            width: fit-content;
        }

        .badge-accent {
            border-color: rgba(244, 63, 94, 0.3);
            background: rgba(244, 63, 94, 0.1);
            color: var(--accent);
        }

        .badge-dark {
            border-color: rgba(255, 255, 255,0.2);
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white);
        }

        /* 按钮系统 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.9375rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .btn-accent {
            background: var(--gradient-accent);
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(244, 63, 94, 0.35);
        }

        .btn-accent:hover {
            box-shadow: 0 8px 25px rgba(244, 63, 94, 0.5);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .btn-outline {
            border-color: var(--border-light);
            background: #FFFFFF;
            color: var(--text-main);
        }

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

        .btn-outline-white {
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-white);
            backdrop-filter: blur(8px);
        }

        .btn-outline-white:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.15);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* 顶部通栏工具条 */
        .header-top {
            background: #0B0F19;
            color: var(--text-light);
            font-size: 0.8125rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 8px 0;
        }

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

        .header-top-left {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .header-top-right {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .header-top-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* 主导航条 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
        }

        .logo-symbol {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 1.25rem;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 32px;
            align-items: center;
        }

        .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
            padding: 6px 0;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: var(--transition);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 8px;
        }

        /* 移动端抽屉菜单 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            width: 100%;
            height: calc(100vh - 76px);
            background: #FFFFFF;
            padding: 24px;
            flex-direction: column;
            gap: 20px;
            border-top: 1px solid var(--border-light);
            z-index: 999;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer .nav-link {
            font-size: 1.125rem;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }

        /* 板块通用样式 */
        .section-padding {
            padding: 96px 0;
        }

        .section-title-wrap {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 64px auto;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-top: 16px;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1.0625rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .section-dark {
            background: var(--gradient-dark);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }

        .section-dark .section-title {
            color: var(--text-white);
        }

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

        /* 首屏 Hero */
        .hero-section {
            position: relative;
            background-color: var(--bg-darker);
            background-image: linear-gradient(180deg, rgba(9, 13, 22, 0.82) 0%, rgba(9, 13, 22, 0.95) 100%), url('/assets/images/a967684ba9eb20fa.jpg');
            background-size: cover;
            background-position: center;
            padding: 120px 0 100px 0;
            color: #FFFFFF;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-title {
            font-size: 3.25rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            color: #FFFFFF;
        }

        .hero-title span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.125rem;
            line-height: 1.8;
            color: #CBD5E1;
            max-width: 620px;
        }

        .hero-btn-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-stat-item h4 {
            font-size: 1.75rem;
            font-weight: 800;
            color: #38BDF8;
            margin-bottom: 4px;
        }

        .hero-stat-item p {
            font-size: 0.875rem;
            color: var(--text-light);
        }

        .hero-card-display {
            position: relative;
            background: rgba(30, 41, 59, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 24px;
            backdrop-filter: blur(16px);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
        }

        .hero-card-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .hero-card-img img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .hero-floating-tag {
            position: absolute;
            bottom: 36px;
            left: 36px;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 12px 20px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .pulse-indicator {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #10B981;
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.3);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
            70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        /* 1. 看板指标板块 */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }

        .metric-card {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-primary);
            opacity: 0;
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(99, 102, 241, 0.3);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-num {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.1;
            margin: 12px 0 8px 0;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .metric-label {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .metric-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .dashboard-matrix-banner {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            padding: 36px;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 32px;
            box-shadow: var(--shadow-sm);
        }

        .matrix-item {
            display: flex;
            gap: 16px;
        }

        .matrix-icon-box {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        /* 2. 品牌与技术架构板块 */
        .tech-overview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .tech-card-frame {
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            background: #FFFFFF;
        }

        .tech-card-frame img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .tech-points-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 24px;
        }

        .tech-point-item {
            display: flex;
            gap: 16px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: var(--transition);
        }

        .tech-point-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .tech-point-num {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--secondary);
        }

        /* 3. 核心优势六矩阵 */
        .strengths-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .strength-card {
            background: #FFFFFF;
            border-radius: var(--radius-2xl);
            padding: 36px 30px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .strength-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(99, 102, 241, 0.3);
        }

        .strength-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-lg);
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .strength-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .strength-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 4. 热门互动产品三矩阵 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .product-card {
            background: #FFFFFF;
            border-radius: var(--radius-2xl);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(99, 102, 241, 0.4);
        }

        .product-media {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .product-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .product-card:hover .product-media img {
            transform: scale(1.06);
        }

        .product-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
        }

        .product-body {
            padding: 30px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            gap: 14px;
        }

        .product-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .product-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .product-specs {
            margin-top: auto;
            padding-top: 18px;
            border-top: 1px dashed var(--border-light);
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .spec-row {
            display: flex;
            justify-content: space-between;
        }

        .spec-val {
            font-weight: 600;
            color: var(--primary);
        }

        /* 5. 深色沉浸式技术理念 */
        .tech-shield-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .shield-card {
            background: rgba(30, 41, 59, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            backdrop-filter: blur(12px);
            transition: var(--transition);
        }

        .shield-card:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
            background: rgba(30, 41, 59, 0.85);
        }

        .shield-tag {
            font-size: 0.8125rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
            display: inline-block;
        }

        .shield-title {
            font-size: 1.1875rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .shield-desc {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* 6. 全链路交付矩阵 */
        .delivery-matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .delivery-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
        }

        .delivery-step {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            background: var(--gradient-primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9375rem;
        }

        .delivery-title {
            font-size: 1.1875rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .delivery-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 7. 结果对比舱 */
        .benchmark-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .benchmark-box {
            border-radius: var(--radius-2xl);
            padding: 40px;
            border: 1px solid var(--border-light);
            background: #FFFFFF;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .benchmark-box.highlight {
            border-color: rgba(99, 102, 241, 0.4);
            background: linear-gradient(180deg, #FFFFFF 0%, rgba(248, 250, 252, 0.8) 100%);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .bar-group {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .bar-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .bar-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.9375rem;
            font-weight: 600;
        }

        .bar-track {
            height: 10px;
            background: #E2E8F0;
            border-radius: var(--radius-full);
            overflow: hidden;
        }

        .bar-fill {
            height: 100%;
            border-radius: var(--radius-full);
            background: var(--gradient-primary);
        }

        .bar-fill.muted {
            background: #94A3B8;
        }

        /* 8. 演进历程 */
        .timeline-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .timeline-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 30px 24px;
            border-top: 4px solid var(--primary);
        }

        .timeline-year {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .timeline-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .timeline-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 9. 标杆案例 */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        .case-card {
            background: #FFFFFF;
            border-radius: var(--radius-2xl);
            border: 1px solid var(--border-light);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .case-media {
            height: 260px;
            position: relative;
        }

        .case-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-body {
            padding: 36px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .case-stats {
            display: flex;
            gap: 24px;
            background: var(--bg-body);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            margin-top: 8px;
        }

        .case-stat-val {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
        }

        .case-stat-label {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        /* 10. 全站实时数据条 */
        .banner-strip {
            background: var(--gradient-primary);
            color: #FFFFFF;
            padding: 48px 0;
        }

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

        .strip-val {
            font-size: 2.75rem;
            font-weight: 900;
            margin-bottom: 4px;
        }

        .strip-text {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.9);
        }

        /* 11. 真实用户与评价网格 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: var(--shadow-sm);
        }

        .testi-header {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .testi-avatar {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-full);
            background: var(--gradient-primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .testi-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-main);
        }

        .testi-role {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        .testi-quote {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
            font-style: italic;
        }

        .testi-rating {
            color: #F59E0B;
            font-size: 0.875rem;
        }

        /* 12. 行业动态与技术资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .news-card {
            background: #FFFFFF;
            border-radius: var(--radius-2xl);
            border: 1px solid var(--border-light);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .news-media {
            height: 200px;
        }

        .news-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-content {
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-meta {
            font-size: 0.8125rem;
            color: var(--text-light);
            display: flex;
            gap: 12px;
        }

        .news-title {
            font-size: 1.1875rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }

        .news-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 13. FAQ 手风琴 */
        .faq-wrap {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-toggle {
            width: 100%;
            padding: 24px 28px;
            background: none;
            border: none;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .faq-icon {
            font-size: 1.25rem;
            transition: transform 0.3s ease;
            color: var(--primary);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 28px;
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        .faq-item.active {
            border-color: rgba(99, 102, 241, 0.4);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-item.active .faq-content {
            max-height: 250px;
            padding-bottom: 24px;
        }

        /* 14. 转化表单 */
        .cta-box-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: #FFFFFF;
            border-radius: var(--radius-2xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .cta-info-side {
            background: var(--gradient-dark);
            color: #FFFFFF;
            padding: 56px 48px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .cta-perks {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin: 32px 0;
        }

        .perk-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .perk-bullet {
            width: 20px;
            height: 20px;
            border-radius: var(--radius-full);
            background: var(--secondary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .cta-form-side {
            padding: 56px 48px;
            background: #FFFFFF;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: #F8FAFC;
            color: var(--text-main);
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
        }

        .form-textarea {
            resize: vertical;
            min-height: 90px;
        }

        /* 页脚规范 */
        .site-footer {
            background: #090D16;
            color: var(--text-light);
            padding: 80px 0 36px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.875rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 60px;
        }

        .footer-brand-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-desc {
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 24px;
        }

        .footer-group-title {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-contact-info {
            display: flex;
            flex-direction: column;
            gap: 12px;
            line-height: 1.6;
        }

        .footer-bottom {
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-grid,
            .tech-overview-grid,
            .benchmark-grid,
            .cases-grid,
            .cta-box-grid {
                grid-template-columns: 1fr;
            }
            .dashboard-grid,
            .tech-shield-grid,
            .delivery-matrix-grid,
            .timeline-wrap,
            .strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strengths-grid,
            .products-grid,
            .testimonials-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dashboard-matrix-banner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-menu {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 640px) {
            .section-padding {
                padding: 64px 0;
            }
            .header-top {
                display: none;
            }
            .dashboard-grid,
            .tech-shield-grid,
            .delivery-matrix-grid,
            .timeline-wrap,
            .strip-grid,
            .strengths-grid,
            .products-grid,
            .testimonials-grid,
            .news-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 16px;
            }
            .cta-info-side,
            .cta-form-side {
                padding: 36px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }