:root {
            --primary: #0052ff;
            --primary-grad: linear-gradient(135deg, #0052ff 0%, #7000ff 100%);
            --secondary: #00f5d4;
            --accent: #ff007f;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray: #64748b;
            --border: #e2e8f0;
            --radius-lg: 16px;
            --radius-md: 8px;
            --max-w: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 重置与全局 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航栏 */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 72px;
        }
        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            max-height: 40px;
        }
        .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-btn {
            background: var(--primary-grad);
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .nav-btn:hover {
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.3);
            transform: translateY(-1px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 统一分段 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.1rem;
        }

        /* Hero首屏 (纯视觉无图) */
        .hero {
            padding: 120px 0;
            background: radial-gradient(circle at 10% 20%, rgba(0, 82, 255, 0.05) 0%, rgba(112, 0, 255, 0.05) 90.2%);
            position: relative;
            overflow: hidden;
        }
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 82, 255, 0.08);
            border: 1px solid rgba(0, 82, 255, 0.15);
            border-radius: 50px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 24px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }
        .hero h1 span {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            font-size: 1.25rem;
            color: var(--gray);
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .btn-main {
            background: var(--primary-grad);
            color: #fff;
            padding: 16px 36px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 10px 25px rgba(0, 82, 255, 0.2);
        }
        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 35px rgba(0, 82, 255, 0.35);
        }
        .btn-sub {
            background: #fff;
            color: var(--dark);
            border: 1px solid var(--border);
            padding: 16px 36px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-sub:hover {
            background: var(--light);
            border-color: var(--gray);
            transform: translateY(-2px);
        }

        /* 核心数据指标 */
        .stats-bar {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item h3 {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }
        .stat-item p {
            color: var(--gray);
            font-weight: 500;
            font-size: 0.95rem;
        }

        /* 关于我们与平台介绍 */
        .about {
            background-color: #fff;
        }
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-text p {
            color: var(--gray);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }
        .feat-item {
            background: var(--light);
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--primary);
        }
        .feat-item h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .feat-item p {
            font-size: 0.9rem;
            color: var(--gray);
            margin: 0;
        }
        .about-image-box {
            position: relative;
        }
        .about-image-box img {
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        /* 全平台AIGC服务 */
        .aigc-services {
            background: var(--light);
        }
        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto 50px;
        }
        .model-tag {
            padding: 8px 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dark);
            transition: var(--transition);
        }
        .model-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(0, 82, 255, 0.08);
        }
        .service-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: #fff;
            padding: 40px 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 30px rgba(0, 82, 255, 0.06);
            border-color: rgba(0, 82, 255, 0.2);
        }
        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(0, 82, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: bold;
        }
        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .service-card p {
            color: var(--gray);
            font-size: 0.95rem;
            flex-grow: 1;
            margin-bottom: 20px;
        }
        .service-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-features li {
            font-size: 0.9rem;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .service-features li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 一站式AIGC制作 & 主打场景 */
        .scenes {
            background: #fff;
        }
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .scene-card {
            background: var(--light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }
        .scene-body {
            padding: 30px;
        }
        .scene-badge {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(0, 245, 212, 0.15);
            color: #00b39b;
            font-weight: 600;
            font-size: 0.8rem;
            border-radius: 4px;
            margin-bottom: 16px;
        }
        .scene-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .scene-card p {
            font-size: 0.95rem;
            color: var(--gray);
        }

        /* 全行业解决方案 */
        .solutions {
            background: var(--light);
        }
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .sol-card {
            background: #fff;
            padding: 30px 24px;
            border-radius: var(--radius-md);
            border-top: 4px solid var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: var(--transition);
        }
        .sol-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }
        .sol-card h4 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .sol-card p {
            font-size: 0.9rem;
            color: var(--gray);
            margin: 0;
        }

        /* 流程步骤 */
        .flow {
            background: #fff;
        }
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            box-shadow: 0 8px 20px rgba(0, 82, 255, 0.2);
        }
        .step-item h4 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--gray);
            padding: 0 10px;
        }

        /* 技术标准 */
        .standards {
            background: var(--light);
        }
        .standard-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .standard-card {
            background: #fff;
            padding: 35px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
        }
        .standard-card h4 {
            font-size: 1.25rem;
            margin-bottom: 16px;
            font-weight: 700;
            color: var(--primary);
        }
        .standard-card ul li {
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: var(--dark);
        }

        /* 案例中心 */
        .cases {
            background: #fff;
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }
        .case-item {
            background: var(--light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .case-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e2e8f0;
        }
        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-item:hover .case-image img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 30px;
        }
        .case-info h4 {
            font-size: 1.35rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .case-info p {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* 对比评测 */
        .evaluation {
            background: var(--light);
        }
        .eval-wrapper {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border);
        }
        .eval-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border);
            padding-bottom: 30px;
            margin-bottom: 30px;
        }
        .eval-score {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }
        .score-meta h4 {
            font-size: 1.25rem;
            margin-bottom: 4px;
        }
        .score-meta p {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .star-rating {
            color: #ffb800;
            font-size: 1.5rem;
        }
        .eval-table-container {
            width: 100%;
            overflow-x: auto;
        }
        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
        }
        .eval-table th {
            background: var(--light);
            font-weight: 700;
        }
        .eval-table td strong {
            color: var(--primary);
        }
        .tag-highlight {
            background: rgba(0, 82, 255, 0.08);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* Token比价参考 */
        .token-price {
            background: #fff;
        }
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .price-card {
            background: var(--light);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            border: 1px solid var(--border);
            text-align: center;
            position: relative;
        }
        .price-card.popular {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(0, 82, 255, 0.08);
        }
        .price-card.popular::after {
            content: "最受欢迎";
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 700;
        }
        .price-card h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }
        .price-value {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 24px;
        }
        .price-value span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--gray);
        }
        .price-features {
            margin-bottom: 30px;
            text-align: left;
        }
        .price-features li {
            margin-bottom: 10px;
            font-size: 0.95rem;
            color: var(--gray);
        }

        /* 职业与人工智能培训 */
        .training {
            background: var(--light);
        }
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .train-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .train-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }
        .train-icon {
            font-size: 2rem;
            margin-bottom: 16px;
            display: block;
        }
        .train-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .train-card p {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 客户评论卡片 */
        .reviews {
            background: #fff;
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background: var(--light);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border);
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }
        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .user-meta h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .user-meta p {
            font-size: 0.8rem;
            color: var(--gray);
            margin: 0;
        }
        .review-body {
            font-size: 0.95rem;
            color: var(--dark);
            font-style: italic;
        }

        /* FAQ折叠面板 */
        .faq {
            background: var(--light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-q {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-q::after {
            content: "+";
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item.active .faq-q::after {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: #fff;
        }
        .faq-a-inner {
            padding: 0 24px 20px;
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* 术语与自助排查 */
        .troubleshooting {
            background: #fff;
        }
        .trouble-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .trouble-box h3, .wiki-box h3 {
            font-size: 1.5rem;
            margin-bottom: 24px;
            font-weight: 700;
        }
        .trouble-list, .wiki-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .trouble-card, .wiki-card {
            background: var(--light);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border);
        }
        .trouble-card h4, .wiki-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .trouble-card p, .wiki-card p {
            font-size: 0.9rem;
            color: var(--gray);
            margin: 0;
        }

        /* 资讯与知识库 */
        .news {
            background: var(--light);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--gray);
            margin-bottom: 12px;
        }
        .news-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .news-card p {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .news-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .news-link:hover {
            color: var(--dark);
        }

        /* 需求匹配与联系我们表单 */
        .contact {
            background: #fff;
        }
        .contact-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 60px;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .contact-details {
            margin-bottom: 30px;
        }
        .contact-item {
            margin-bottom: 20px;
        }
        .contact-item h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .contact-item p {
            color: var(--gray);
            font-size: 0.95rem;
        }
        .qr-codes {
            display: flex;
            gap: 30px;
            margin-top: 20px;
        }
        .qr-item {
            text-align: center;
        }
        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 8px;
        }
        .qr-item p {
            font-size: 0.85rem;
            color: var(--gray);
        }
        .form-wrapper {
            background: var(--light);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: #fff;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1);
        }
        .form-submit-btn {
            width: 100%;
            background: var(--primary-grad);
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-submit-btn:hover {
            opacity: 0.95;
        }

        /* 标签云与加盟代理 */
        .tags-agents {
            background: var(--light);
            padding: 60px 0;
        }
        .tags-agents-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
        }
        .agent-box {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border);
        }
        .agent-box h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .agent-box p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 24px;
        }
        .agent-list li {
            margin-bottom: 12px;
            font-size: 0.95rem;
            font-weight: 500;
        }
        .agent-list li::before {
            content: "✦";
            color: var(--accent);
            margin-right: 8px;
        }
        .tag-cloud-box h3 {
            font-size: 1.5rem;
            margin-bottom: 24px;
            font-weight: 700;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            padding: 8px 14px;
            background: #fff;
            border-radius: 4px;
            font-size: 0.85rem;
            color: var(--gray);
            border: 1px solid var(--border);
        }

        /* 地图服务网络 */
        .network {
            background: #fff;
            text-align: center;
        }
        .network-map {
            background: var(--light);
            border-radius: var(--radius-lg);
            padding: 60px;
            max-width: 900px;
            margin: 0 auto;
            border: 1px solid var(--border);
        }
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .network-node h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .network-node p {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 友情链接与底部 */
        .footer {
            background: var(--dark);
            color: #fff;
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            border-bottom: 1px solid #334155;
            padding-bottom: 40px;
            margin-bottom: 30px;
        }
        .footer-logo img {
            max-height: 48px;
            margin-bottom: 16px;
            
        }
        .footer-desc {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-bottom: 16px;
        }
        .footer-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: #f1f5f9;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .friend-links {
            margin-top: 20px;
            border-top: 1px solid #334155;
            padding-top: 20px;
        }
        .friend-links-title {
            font-size: 0.85rem;
            color: #64748b;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friend-links-list a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .friend-links-list a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        /* 侧边悬浮窗口 */
        .floating-action {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }
        .float-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }
        .qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            padding: 16px;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            border: 1px solid var(--border);
            display: none;
            text-align: center;
            width: 160px;
        }
        .qr-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }
        .qr-popover p {
            color: var(--dark);
            font-size: 0.8rem;
            margin: 0;
        }
        .float-btn:hover .qr-popover {
            display: block;
        }

        /* 移动端响应式样式 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid var(--border);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.25rem;
            }
            .about-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .service-cards {
                grid-template-columns: 1fr;
            }
            .scenes-grid {
                grid-template-columns: 1fr;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .standard-layout {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .price-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .trouble-layout {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .contact-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .tags-agents-layout {
                grid-template-columns: 1fr;
            }
            .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }