/* ==================== 全局重置与基础变量 ==================== */
        :root {
            --primary: #0a4d8c;
            --primary-light: #1565c0;
            --primary-dark: #063463;
            --accent: #00b4d8;
            --accent-light: #48cae4;
            --dark: #0d1b2a;
            --dark-2: #1b263b;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --gray-800: #1e293b;
            --white: #ffffff;
            --gradient-primary: linear-gradient(135deg, #0a4d8c 0%, #00b4d8 100%);
            --gradient-dark: linear-gradient(135deg, #0d1b2a 0%, #1b263b 50%, #0a4d8c 100%);
            --gradient-hero: linear-gradient(135deg, rgba(10,77,140,0.92) 0%, rgba(0,180,216,0.7) 100%);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
        }

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

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

        body {
            font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--gray-700);
            background: var(--white);
            overflow-x: hidden;
        }

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

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

        ul {
            list-style: none;
        }

        /* ==================== 通用容器与工具类 ==================== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .section-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 16px;
            position: relative;
            padding: 0 40px;
        }

        .section-tag::before,
        .section-tag::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 30px;
            height: 1px;
            background: var(--accent);
        }

        .section-tag::before { left: 0; }
        .section-tag::after { right: 0; }

        .section-title {
            font-size: 38px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--gray-500);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 36px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            border: none;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: var(--white);
            box-shadow: 0 4px 20px rgba(10, 77, 140, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(10, 77, 140, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255,255,255,0.5);
        }

        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--white);
        }

        .btn-dark {
            background: var(--dark);
            color: var(--white);
        }

        .btn-dark:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }

        /* ==================== 顶部信息条 ==================== */
        .top-bar {
            background: var(--dark);
            color: var(--gray-300);
            font-size: 13px;
            padding: 8px 0;
        }

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

        .top-bar-info {
            display: flex;
            gap: 28px;
        }

        .top-bar-info span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .top-bar-info svg {
            width: 14px;
            height: 14px;
            color: var(--accent);
        }

        .top-bar-right {
            display: flex;
            gap: 20px;
            font-size: 13px;
        }

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

        /* ==================== 导航栏 ==================== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--gradient-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 18px;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(10, 77, 140, 0.3);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text .logo-name {
            font-size: 20px;
        }

        .logo-text .logo-sub {
            font-size: 11px;
            color: var(--gray-400);
            letter-spacing: 1px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            height: 72px;
            font-size: 16px;
            font-weight: 600;
            color: var(--gray-700);
            position: relative;
            cursor: pointer;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: var(--gradient-primary);
            transition: var(--transition);
            transform: translateX(-50%);
        }

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

        .nav-link:hover::after {
            width: 60%;
        }

        .nav-arrow {
            font-size: 10px;
            transition: var(--transition);
        }

        .nav-item:hover .nav-arrow {
            transform: rotate(180deg);
        }

        /* 下拉菜单 */
        .dropdown {
            position: absolute;
            top: 72px;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: var(--white);
            min-width: 220px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            padding: 8px 0;
        }

        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .dropdown::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%) rotate(45deg);
            width: 16px;
            height: 16px;
            background: var(--white);
        }

        .dropdown-item {
            display: block;
            padding: 12px 24px;
            font-size: 14px;
            color: var(--gray-600);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .dropdown-item:hover {
            background: var(--gray-50);
            color: var(--primary);
            border-left-color: var(--accent);
            padding-left: 28px;
        }

        .nav-cta {
            margin-left: 16px;
        }

        .nav-cta .btn {
            padding: 10px 28px;
            font-size: 14px;
        }

        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 3px;
            background: var(--dark);
            margin: 5px 0;
            transition: var(--transition);
            border-radius: 2px;
        }

        /* ==================== Hero 区域 ==================== */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 27, 42, 0.92) 0%, rgba(10, 77, 140, 0.75) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 180, 216, 0.15);
            border: 1px solid rgba(0, 180, 216, 0.3);
            border-radius: 30px;
            padding: 8px 20px;
            color: var(--accent-light);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .hero-title {
            font-size: 52px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 24px;
            max-width: 760px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #48cae4 0%, #00b4d8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 64px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.2;
        }

        .hero-stat-num .unit {
            font-size: 18px;
            color: var(--accent-light);
            font-weight: 600;
        }

        .hero-stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ==================== 使命/关于我们 ==================== */
        .mission {
            background: var(--gray-50);
        }

        .mission-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .mission-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--gray-100);
        }

        .mission-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-light);
        }

        .mission-card-img {
            width: 100%;
            height: 220px;
            overflow: hidden;
            position: relative;
        }

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

        .mission-card:hover .mission-card-img img {
            transform: scale(1.08);
        }

        .mission-card-body {
            padding: 28px;
        }

        .mission-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .mission-card-icon svg {
            width: 24px;
            height: 24px;
            color: var(--white);
        }

        .mission-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .mission-card p {
            font-size: 14px;
            color: var(--gray-500);
            line-height: 1.8;
        }

        /* ==================== 智慧检测LIMS 板块 ==================== */
        .lims {
            background: var(--white);
        }

        .lims-hero {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 80px;
        }

        .lims-hero-content h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 24px;
            line-height: 1.3;
        }

        .lims-hero-content p {
            font-size: 16px;
            color: var(--gray-500);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .lims-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }

        .lims-feature {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: var(--gray-700);
        }

        .lims-feature svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
            flex-shrink: 0;
        }

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

        .lims-hero-img img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .lims-hero-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 60%, rgba(10, 77, 140, 0.1) 100%);
            pointer-events: none;
        }

        /* LIMS 模块网格 */
        .lims-modules {
            background: var(--gray-50);
            border-radius: var(--radius-xl);
            padding: 56px;
        }

        .lims-modules-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .lims-modules-title h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .lims-modules-title p {
            font-size: 15px;
            color: var(--gray-500);
        }

        .modules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .module-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--gray-100);
            position: relative;
            overflow: hidden;
        }

        .module-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: var(--transition);
            transform-origin: left;
        }

        .module-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }

        .module-card:hover::before {
            transform: scaleX(1);
        }

        .module-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(10, 77, 140, 0.1), rgba(0, 180, 216, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
        }

        .module-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .module-card p {
            font-size: 13px;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* 行业应用标签 */
        .industry-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 48px;
        }

        .industry-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            background: var(--white);
            border: 1px solid var(--gray-200);
            border-radius: 30px;
            font-size: 14px;
            color: var(--gray-600);
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }

        .industry-tag:hover {
            background: var(--gradient-primary);
            color: var(--white);
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(10, 77, 140, 0.3);
        }

        .industry-tag svg {
            width: 16px;
            height: 16px;
        }

        /* ==================== 智慧监测产品 板块 ==================== */
        .products {
            background: var(--gray-50);
        }

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

        .product-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--gray-100);
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .product-img {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: var(--gray-100);
            position: relative;
        }

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

        .product-card:hover .product-img img {
            transform: scale(1.1);
        }

        .product-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--gradient-primary);
            color: var(--white);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }

        .product-body {
            padding: 24px;
        }

        .product-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .product-body p {
            font-size: 13px;
            color: var(--gray-500);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .product-specs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .product-spec {
            font-size: 12px;
            color: var(--primary);
            background: rgba(10, 77, 140, 0.06);
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* ==================== 实验室AI应用 板块 ==================== */
        .ai-section {
            background: var(--dark);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .ai-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .ai-section::after {
            content: '';
            position: absolute;
            bottom: -200px;
            left: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(10, 77, 140, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

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

        .ai-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .ai-section .section-tag {
            color: var(--accent-light);
        }

        .ai-section .section-tag::before,
        .ai-section .section-tag::after {
            background: var(--accent-light);
        }

        /* AI 核心展示 */
        .ai-hero {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 80px;
            position: relative;
            z-index: 2;
        }

        .ai-hero-content h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .ai-hero-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .ai-highlights {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .ai-highlight {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
        }

        .ai-highlight svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
        }

        .ai-hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .ai-hero-visual img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .ai-hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 50%, rgba(0, 180, 216, 0.15) 100%);
        }

        /* 六大AI专家 */
        .ai-agents {
            position: relative;
            z-index: 2;
        }

        .ai-agents-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .ai-agents-title h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .ai-agents-title p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
        }

        .agents-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .agent-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition);
            backdrop-filter: blur(8px);
        }

        .agent-card:hover {
            background: rgba(0, 180, 216, 0.08);
            border-color: rgba(0, 180, 216, 0.3);
            transform: translateY(-4px);
        }

        .agent-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(0, 180, 216, 0.2), rgba(10, 77, 140, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 26px;
        }

        .agent-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 6px;
        }

        .agent-card .agent-role {
            font-size: 13px;
            color: var(--accent-light);
            margin-bottom: 12px;
            font-weight: 500;
        }

        .agent-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        /* 四层架构 */
        .ai-architecture {
            margin-top: 80px;
            position: relative;
            z-index: 2;
        }

        .architecture-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .architecture-title h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .architecture-title p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
        }

        .arch-layers {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .arch-layer {
            display: flex;
            align-items: center;
            gap: 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 24px 32px;
            transition: var(--transition);
            position: relative;
        }

        .arch-layer:hover {
            background: rgba(0, 180, 216, 0.06);
            border-color: rgba(0, 180, 216, 0.2);
            transform: translateX(8px);
        }

        .arch-layer-num {
            font-size: 32px;
            font-weight: 800;
            background: linear-gradient(135deg, #48cae4, #00b4d8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            flex-shrink: 0;
            min-width: 60px;
        }

        .arch-layer-content {
            flex: 1;
        }

        .arch-layer-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 4px;
        }

        .arch-layer-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .arch-layer-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .arch-tag {
            font-size: 12px;
            color: var(--accent-light);
            background: rgba(0, 180, 216, 0.1);
            padding: 4px 12px;
            border-radius: 4px;
            border: 1px solid rgba(0, 180, 216, 0.2);
        }

        /* ==================== 行业解决方案 ==================== */
        .solutions {
            background: var(--white);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .solution-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            height: 320px;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .solution-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .solution-card:hover img {
            transform: scale(1.1);
        }

        .solution-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(13, 27, 42, 0.9) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
        }

        .solution-card h4 {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .solution-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        .solution-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-light);
            font-size: 14px;
            font-weight: 600;
            margin-top: 12px;
            opacity: 0;
            transform: translateY(10px);
            transition: var(--transition);
        }

        .solution-card:hover .solution-arrow {
            opacity: 1;
            transform: translateY(0);
        }

        /* ==================== 核心优势 ==================== */
        .advantages {
            background: var(--gray-50);
        }

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

        .advantage-card {
            text-align: center;
            padding: 40px 24px;
            background: var(--white);
            border-radius: var(--radius-lg);
            transition: var(--transition);
            border: 1px solid var(--gray-100);
        }

        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }

        .advantage-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(10, 77, 140, 0.08), rgba(0, 180, 216, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }

        .advantage-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .advantage-card p {
            font-size: 14px;
            color: var(--gray-500);
            line-height: 1.7;
        }

        /* ==================== 新闻中心 ==================== */
        .news {
            background: var(--white);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .news-card {
            transition: var(--transition);
            cursor: pointer;
        }

        .news-card:hover {
            transform: translateY(-6px);
        }

        .news-img {
            width: 100%;
            height: 220px;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
        }

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

        .news-card:hover .news-img img {
            transform: scale(1.08);
        }

        .news-date {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: var(--gradient-primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
        }

        .news-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }

        .news-card:hover h4 {
            color: var(--primary);
        }

        .news-card p {
            font-size: 14px;
            color: var(--gray-500);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ==================== CTA 区域 ==================== */
        .cta-section {
            background: var(--gradient-dark);
            position: relative;
            overflow: hidden;
            color: var(--white);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background: radial-gradient(ellipse at right, rgba(0, 180, 216, 0.15) 0%, transparent 60%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 38px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ==================== 页脚 ==================== */
        .footer {
            background: var(--dark);
            color: var(--gray-400);
            padding: 80px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 64px;
        }

        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 20px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--gray-400);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--gray-400);
        }

        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--gray-400);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }

        .footer-bottom a {
            color: var(--gray-400);
        }

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

        /* ==================== 返回顶部 ==================== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--gradient-primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: var(--shadow-md);
            border: none;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .back-to-top svg {
            width: 22px;
            height: 22px;
        }

        /* ==================== 动画 ==================== */
        .fade-up {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .fade-up:nth-child(2) { transition-delay: 0.1s; }
        .fade-up:nth-child(3) { transition-delay: 0.2s; }
        .fade-up:nth-child(4) { transition-delay: 0.3s; }

        /* ==================== 响应式 ==================== */
        @media (max-width: 1024px) {
            .hero-title { font-size: 42px; }
            .lims-hero, .ai-hero { grid-template-columns: 1fr; gap: 40px; }
            .modules-grid, .agents-grid, .solutions-grid { grid-template-columns: repeat(2, 1fr); }
            .product-grid { grid-template-columns: repeat(2, 1fr); }
            .advantages-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .mission-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            .top-bar { display: none; }
            .nav-menu { display: none; }
            .mobile-toggle { display: block; }
            .nav-cta { display: none; }

            .section { padding: 64px 0; }
            .section-title { font-size: 28px; }
            .section-subtitle { font-size: 15px; }

            .hero { min-height: 600px; }
            .hero-title { font-size: 32px; }
            .hero-desc { font-size: 15px; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat-num { font-size: 28px; }

            .modules-grid, .agents-grid, .solutions-grid,
            .product-grid, .advantages-grid, .news-grid,
            .lims-features { grid-template-columns: 1fr; }

            .lims-modules { padding: 32px; }

            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

            .cta-content h2 { font-size: 28px; }

            .arch-layer { flex-direction: column; text-align: center; gap: 12px; }
        }
    

/* ===== FAQ 常见问题 ===== */
.faq { background: var(--gray-50); }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: box-shadow .3s ease;
}
.faq-item:hover { box-shadow: 0 8px 24px rgba(10,77,140,.08); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    cursor: pointer;
    user-select: none;
}
.faq-question h3 { font-size: 16px; color: var(--dark); margin: 0; }
.faq-toggle {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    transition: transform .3s ease, background .3s ease;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); background: var(--accent); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 24px;
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.8;
    transition: max-height .35s ease, padding .35s ease;
}
.faq-item.active .faq-answer { max-height: 400px; padding: 0 24px 20px; }
@media (max-width: 768px) {
    .faq-question { padding: 15px 18px; }
    .faq-question h3 { font-size: 15px; }
    .faq-answer { padding: 0 18px; }
    .faq-item.active .faq-answer { padding: 0 18px 16px; }
}

/* ===== 服务客户 ===== */
.clients { background: var(--white); }
.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}
.client-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 28px 16px 24px;
    text-align: center;
    transition: var(--transition);
}
.client-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 32px rgba(10,77,140,.18), 0 4px 12px rgba(10,77,140,.10);
    border-color: var(--accent-light);
}
.client-logo {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    padding: 0 12px;
}
.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}
.client-card:hover .client-logo img {
    transform: scale(1.06);
}
.client-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}
.client-intro {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
}
@media (max-width: 1200px) {
    .clients-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1024px) {
    .clients-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
    .client-logo { height: 80px; }
}