:root {
            --primary: #0d9488;
            --primary-light: #14b8a6;
            --primary-dark: #0f766e;
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --accent: #06b6d4;
            --max-width: 1200px;
        }

        * {
            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(--bg-main);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一布局容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
        }

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

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: bold;
            box-shadow: 0 4px 10px rgba(13, 148, 136, 0.2);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 15px rgba(13, 148, 136, 0.3);
        }

        /* 移动端菜单按钮 */
        .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(--text-main);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* 模块统一样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 32px;
            color: #0f172a;
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            margin-top: 12px;
            font-size: 16px;
        }

        /* 1. Hero首屏 - 严禁出现任何图片资源 */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
                        var(--bg-card);
            padding: 100px 0 80px 0;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background-color: rgba(13, 148, 136, 0.1);
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 46px;
            line-height: 1.25;
            color: #0f172a;
            max-width: 900px;
            margin: 0 auto 24px auto;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(13, 148, 136, 0.25);
            transition: all 0.3s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(13, 148, 136, 0.35);
        }

        .btn-secondary {
            background-color: #fff;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background-color: var(--bg-main);
            border-color: #cbd5e1;
        }

        /* 2. 数据指标卡片 & 关于我们 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

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

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

        .stats-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        .about-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-top: 80px;
        }

        .about-content h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: #0f172a;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .feature-bullets {
            list-style: none;
        }

        .feature-bullets li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .feature-bullets li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
            font-size: 18px;
        }

        .about-badge-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .about-badge {
            background-color: #f1f5f9;
            color: #475569;
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 13px;
        }

        /* 3. 全平台AIGC服务 */
        .model-cloud-container {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            color: #f8fafc;
            border-radius: 16px;
            padding: 40px;
            text-align: center;
        }

        .model-cloud-title {
            font-size: 22px;
            margin-bottom: 24px;
            color: #38bdf8;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-tag {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            transition: all 0.3s;
        }

        .model-tag:hover {
            background-color: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        /* 4. 一站式AIGC制作 & 全行业解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.05);
            border-color: var(--primary-light);
        }

        .solution-icon {
            font-size: 40px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .solution-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: #0f172a;
        }

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

        /* 5. 标准化AIGC流程 & 技术标准 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .process-step {
            background-color: var(--bg-card);
            border-radius: 8px;
            padding: 24px;
            border-top: 4px solid var(--primary);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
            position: relative;
        }

        .step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(13, 148, 136, 0.1);
        }

        .process-step h4 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #0f172a;
        }

        .process-step p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 6. 全国服务网络 */
        .network-section {
            background-color: #f1f5f9;
        }

        .network-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-map-simulation {
            background: linear-gradient(135deg, #0f172a, #1e293b);
            border-radius: 12px;
            padding: 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .network-node-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .network-node {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 13px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* 7. 对比评测 & 8. Token比价参考 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            margin-top: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-color);
            background-color: var(--bg-card);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: #f8fafc;
            color: #0f172a;
            font-weight: 600;
        }

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

        .highlight-row {
            background-color: rgba(13, 148, 136, 0.03);
        }

        .rating-stars {
            color: #f59e0b;
            font-weight: bold;
        }

        /* 9. 职业技术培训 & 人工智能培训 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .train-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
        }

        .train-card:hover {
            border-color: var(--primary);
            background-color: rgba(13, 148, 136, 0.02);
            transform: translateY(-3px);
        }

        .train-icon {
            font-size: 30px;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .train-card h4 {
            font-size: 15px;
            margin-bottom: 8px;
            color: #0f172a;
        }

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

        /* 10. 客户案例中心 - 图片使用控制 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .case-image-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #e2e8f0;
        }

        .case-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

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

        .case-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-info h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: #0f172a;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 13px;
            margin-bottom: 15px;
        }

        .case-tag {
            display: inline-block;
            background-color: #f1f5f9;
            color: var(--text-muted);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 11px;
            align-self: flex-start;
        }

        /* 11. 智能需求匹配表单 */
        .form-section {
            background-color: #f8fafc;
        }

        .form-container {
            max-width: 700px;
            margin: 0 auto;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
            color: #334155;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            transition: border-color 0.3s;
            outline: none;
        }

        .form-control:focus {
            border-color: var(--primary);
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(13, 148, 136, 0.2);
            transition: all 0.3s;
        }

        .btn-submit:hover {
            opacity: 0.95;
            transform: translateY(-1px);
        }

        /* 12. 帮助中心 / 常见用户问题 FAQ */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-header {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: #0f172a;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-header::after {
            content: "+";
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-header::after {
            transform: rotate(45deg);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fafafa;
        }

        .faq-content {
            padding: 0 24px 20px 24px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        /* 13. AI术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .wiki-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
        }

        .wiki-card h4 {
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-size: 16px;
        }

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

        /* 14. 行业资讯 / 知识库 */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .blog-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .blog-card h3 {
            font-size: 18px;
            color: #0f172a;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .blog-card p {
            color: var(--text-muted);
            font-size: 13px;
            margin-bottom: 20px;
        }

        .blog-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
        }

        .blog-link:hover {
            text-decoration: underline;
        }

        /* 15. 加盟代理 */
        .partner-section {
            background: linear-gradient(135deg, rgba(13, 148, 136, 0.05), rgba(6, 182, 212, 0.05));
            border-radius: 16px;
            padding: 50px;
            text-align: center;
            max-width: 1000px;
            margin: 0 auto;
        }

        .partner-title {
            font-size: 26px;
            color: #0f172a;
            margin-bottom: 16px;
        }

        .partner-desc {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 30px auto;
        }

        .partner-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }

        .partner-item {
            background-color: var(--bg-card);
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
        }

        .partner-item h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* 16. 客户评论卡片 */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
        }

        .review-text {
            color: var(--text-main);
            font-size: 14px;
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.6;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
        }

        .author-info h4 {
            font-size: 14px;
            color: #0f172a;
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 17. 联系我们 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .contact-info-list {
            list-style: none;
        }

        .contact-info-list li {
            margin-bottom: 20px;
            font-size: 16px;
        }

        .contact-info-list strong {
            color: #0f172a;
            display: inline-block;
            width: 100px;
        }

        .contact-qrcode-wrap {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
        }

        .qrcode-image {
            width: 150px;
            height: 150px;
            margin: 0 auto 15px auto;
            background-color: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border-radius: 8px;
        }

        .qrcode-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 25px rgba(13, 148, 136, 0.4);
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }

        .float-contact:hover {
            transform: scale(1.1);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #fff;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: #fff;
            margin-bottom: 15px;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: var(--primary-light);
        }

        .friend-links-wrap {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #1e293b;
        }

        .friend-links-title {
            color: #e2e8f0;
            font-size: 14px;
            margin-bottom: 10px;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links-list a {
            color: #64748b;
            text-decoration: none;
            font-size: 12px;
            transition: color 0.3s;
        }

        .friend-links-list a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            text-align: center;
            font-size: 13px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .solution-grid, .case-grid, .review-grid, .blog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .train-grid, .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #fff;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 28px;
            }
            .about-wrap, .network-layout, .contact-layout, .footer-grid {
                grid-template-columns: 1fr;
            }
            .solution-grid, .case-grid, .review-grid, .blog-grid, .stats-grid, .process-flow, .train-grid, .wiki-grid, .partner-grid {
                grid-template-columns: 1fr;
            }
        }