:root {
            --primary: #0d9488;
            --primary-hover: #0f766e;
            --primary-light: #f0fdfa;
            --secondary: #06b6d4;
            --dark: #0f172a;
            --gray-light: #f8fafc;
            --border-color: #e2e8f0;
            --text-main: #334155;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--dark);
            background-color: #ffffff;
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部与导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .nav-btn {
            background-color: var(--primary);
            color: #ffffff;
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .nav-btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
        }

        /* 移动端菜单开关 */
        .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);
        }

        /* Section 基础样式 */
        section {
            padding: 80px 0;
            position: relative;
        }

        .section-title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .section-desc {
            text-align: center;
            color: var(--text-main);
            max-width: 600px;
            margin: 0 auto 48px auto;
            font-size: 16px;
        }

        /* 1. Hero 首屏 - 无任何图片 */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, #e2fbf7 0%, #ffffff 60%);
            text-align: center;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            border: 1px solid rgba(13, 148, 136, 0.2);
            color: var(--primary);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            animation: pulse 2s infinite;
        }

        .hero h1 {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--dark);
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 18px;
            color: var(--text-main);
            max-width: 750px;
            margin: 0 auto 36px auto;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-main {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 8px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
        }

        .btn-sub {
            display: inline-block;
            background-color: #ffffff;
            color: var(--dark);
            font-size: 16px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 8px;
            text-decoration: none;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .btn-sub:hover {
            background-color: var(--gray-light);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* 2. 数据指标卡片 */
        .stats-section {
            background-color: var(--gray-light);
            border-y: 1px solid var(--border-color);
            padding: 50px 0;
        }

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

        .stat-card {
            background-color: #ffffff;
            padding: 24px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-main);
            font-weight: 600;
        }

        /* 3. 关于我们与平台介绍 */
        .about-section {
            background: linear-gradient(180deg, #ffffff, #f0fdfa);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

        .about-content h3::after {
            content: '';
            display: block;
            width: 40px;
            height: 4px;
            background-color: var(--primary);
            margin-top: 8px;
        }

        .about-content p {
            color: var(--text-main);
            margin-bottom: 16px;
            font-size: 15px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }

        .about-feat-item {
            background: #ffffff;
            padding: 16px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        .about-feat-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .about-feat-item p {
            font-size: 13px;
            margin: 0;
            color: #64748b;
        }

        .about-interactive {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
        }

        .interactive-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            text-align: center;
        }

        /* 4. 全平台 AIGC 服务与聚合 */
        .services-section {
            background-color: #ffffff;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }

        .service-card {
            background-color: var(--gray-light);
            border: 1px solid var(--border-color);
            padding: 32px;
            border-radius: 16px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            background-color: #ffffff;
            border-color: var(--secondary);
            box-shadow: 0 10px 25px -5px rgba(6, 182, 212, 0.1);
        }

        .service-icon {
            font-size: 32px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-main);
            font-size: 14px;
        }

        /* 聚合标签云 */
        .model-tags-container {
            background-color: var(--gray-light);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            text-align: center;
        }

        .model-tags-container h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
        }

        .tag-item:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 5. 一站式 AIGC 制作流程 & 技术标准 */
        .process-section {
            background-color: var(--gray-light);
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 24px;
            bottom: -44px;
            width: 2px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .timeline-item:last-child::before {
            display: none;
        }

        .timeline-dot {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            z-index: 2;
            flex-shrink: 0;
            box-shadow: 0 4px 6px rgba(13, 148, 136, 0.2);
        }

        .timeline-content {
            margin-left: 24px;
            background-color: #ffffff;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            width: 100%;
        }

        .timeline-content h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-main);
        }

        /* 6. 全行业解决方案 & 服务网络 */
        .solutions-section {
            background-color: #ffffff;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .sol-card {
            background: linear-gradient(135deg, #ffffff, var(--primary-light));
            border: 1px solid var(--border-color);
            padding: 32px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .sol-card h3 {
            font-size: 22px;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .sol-card p {
            color: var(--text-main);
            font-size: 14px;
            margin-bottom: 20px;
        }

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

        .sol-tag {
            background-color: rgba(13, 148, 136, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .network-container {
            margin-top: 48px;
            background-color: var(--gray-light);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            text-align: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .network-item {
            background-color: #ffffff;
            padding: 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        /* 7. 案例展示区 */
        .cases-section {
            background-color: var(--gray-light);
        }

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

        .case-card {
            background-color: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #f1f5f9;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-body {
            padding: 24px;
        }

        .case-category {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .case-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-desc {
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        /* 8. 对比评测 - 突出 9.9分 与 推荐五星 */
        .compare-section {
            background-color: #ffffff;
        }

        .compare-header-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: linear-gradient(135deg, var(--primary-light), #e2fbf7);
            padding: 24px 32px;
            border-radius: 16px;
            border: 1px solid rgba(13, 148, 136, 0.2);
            margin-bottom: 32px;
        }

        .rating-box {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .rating-score {
            font-size: 48px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .rating-stars {
            display: flex;
            flex-direction: column;
        }

        .stars {
            color: #f59e0b;
            font-size: 20px;
            letter-spacing: 2px;
        }

        .stars-label {
            font-size: 12px;
            color: var(--text-main);
            margin-top: 4px;
        }

        .rating-recommend {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary-hover);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 12px;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: var(--gray-light);
            font-weight: 700;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table td.highlight {
            background-color: var(--primary-light);
            font-weight: 600;
            color: var(--primary-hover);
        }

        /* 9. Token 比价工具 */
        .token-section {
            background-color: var(--gray-light);
        }

        .token-calc-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .calc-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }

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

        .calc-group label {
            font-size: 14px;
            font-weight: 600;
        }

        .calc-group select, .calc-group input {
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            transition: var(--transition);
        }

        .calc-group select:focus, .calc-group input:focus {
            border-color: var(--primary);
        }

        .calc-result {
            background-color: var(--primary-light);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid rgba(13, 148, 136, 0.1);
        }

        .calc-result h4 {
            font-size: 15px;
            margin-bottom: 8px;
        }

        .calc-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
        }

        /* 10. 培训板块 */
        .training-section {
            background-color: #ffffff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .train-card {
            background-color: var(--gray-light);
            border: 1px solid var(--border-color);
            padding: 24px 16px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }

        .train-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 8px 15px -3px rgba(0,0,0,0.05);
        }

        .train-icon {
            font-size: 24px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .train-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .train-card p {
            font-size: 12px;
            color: var(--text-main);
        }

        /* 11. FAQ 折叠面板 & 排查助手 */
        .faq-section {
            background-color: var(--gray-light);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 48px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
        }

        .faq-icon-indicator {
            transition: var(--transition);
            font-size: 18px;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--gray-light);
        }

        .faq-content {
            padding: 18px 24px;
            font-size: 14px;
            color: var(--text-main);
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-body {
            max-height: 300px;
        }

        .faq-item.active .faq-icon-indicator {
            transform: rotate(45deg);
        }

        .troubleshoot-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            height: fit-content;
        }

        .troubleshoot-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .trouble-options {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .trouble-btn {
            background-color: var(--gray-light);
            border: 1px solid var(--border-color);
            padding: 12px;
            border-radius: 8px;
            cursor: pointer;
            text-align: left;
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition);
        }

        .trouble-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .trouble-result {
            margin-top: 16px;
            padding: 16px;
            background-color: #f0fdfa;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            font-size: 13px;
            display: none;
        }

        /* 12. 术语百科标签云 */
        .wiki-section {
            background-color: #ffffff;
        }

        /* 13. 用户评论 */
        .comments-section {
            background-color: var(--gray-light);
        }

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

        .comment-card {
            background-color: #ffffff;
            padding: 32px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-size: 14px;
            color: var(--text-main);
            font-style: italic;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }

        .author-info h4 {
            font-size: 14px;
            font-weight: 700;
        }

        .author-info p {
            font-size: 12px;
            color: #64748b;
        }

        /* 14. 资讯/知识库列表 */
        .articles-section {
            background-color: #ffffff;
        }

        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .article-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--gray-light);
            padding: 16px 24px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-item:hover {
            border-color: var(--primary);
            background-color: #ffffff;
            transform: translateX(5px);
        }

        .article-title-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .article-tag {
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        .article-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
        }

        .article-date {
            font-size: 13px;
            color: #64748b;
        }

        /* 15. 联系我们 & 加盟代理表单 */
        .contact-section {
            background: linear-gradient(180deg, var(--gray-light), #ffffff);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }

        .contact-info-panel {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .contact-info-panel h3 {
            font-size: 22px;
            margin-bottom: 24px;
        }

        .contact-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 32px;
        }

        .contact-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .contact-item-icon {
            font-size: 20px;
            color: var(--primary);
            margin-top: 2px;
        }

        .contact-item-content h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .contact-item-content p {
            font-size: 14px;
            color: var(--text-main);
        }

        .media-assets {
            display: flex;
            gap: 24px;
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
        }

        .qrcode-box {
            text-align: center;
        }

        .qrcode-box img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 4px;
            margin-bottom: 6px;
        }

        .qrcode-box p {
            font-size: 11px;
            color: var(--text-main);
            font-weight: 600;
        }

        .form-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
        }

        .form-card h3 {
            font-size: 22px;
            margin-bottom: 24px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
        }

        .form-submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 48px;
            border-bottom: 1px solid #1e293b;
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

        .footer-info h4 {
            color: #ffffff;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .footer-links-title {
            color: #ffffff;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer-links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-links-grid a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
            background-color: #1e293b;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
        }

        .footer-links-grid a:hover {
            color: #ffffff;
            background-color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            margin: 0;
        }

        .ai-page-home-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .ai-page-home-link:hover {
            text-decoration: underline;
        }

        /* 浮动客服 */
        .float-widget {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #ffffff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-item:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .float-icon {
            font-size: 20px;
            color: var(--primary);
        }

        .float-item:hover .float-hover-box {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .float-hover-box {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            width: 220px;
            text-align: center;
        }

        .float-hover-box img {
            width: 100px;
            height: 100px;
            margin-bottom: 8px;
        }

        .float-hover-box p {
            font-size: 12px;
            color: var(--text-main);
            margin: 0;
        }

        /* 核心动画 */
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.4);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(13, 148, 136, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(13, 148, 136, 0);
            }
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            header {
                height: 64px;
            }
            .menu-toggle {
                display: flex;
            }
            nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--border-color);
                gap: 16px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: var(--transition);
            }
            nav.active {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 15px;
            }
            .about-grid, .contact-layout, .faq-layout, .solutions-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .cases-grid, .comments-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }