/* 斑斓彩调风 根变量 */
        :root {
            --primary: #6366f1; /* 靛蓝 */
            --primary-light: #818cf8;
            --secondary: #ec4899; /* 霓虹粉 */
            --accent: #06b6d4; /* 湖蓝 */
            --success: #10b981; /* 翠绿 */
            --warning: #f59e0b; /* 琥珀 */
            --dark: #0f172a; /* 极深灰 */
            --light: #f8fafc; /* 浅灰蓝 */
            --border: #e2e8f0;
            --text-main: #334155;
            --text-muted: #64748b;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --container-width: 1200px;
            --gradient-rainbow: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
            --shadow-rainbow: 0 10px 30px -10px rgba(99, 102, 241, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础样式复位 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--light);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
        }

        /* 斑斓氛围背景装饰（仅CSS渲染） */
        .glow-bg {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(236, 72, 153, 0.05) 50%, transparent 100%);
            filter: blur(80px);
            z-index: -1;
            pointer-events: none;
        }
        .glow-bg-1 { top: 10%; left: -200px; }
        .glow-bg-2 { top: 40%; right: -200px; }
        .glow-bg-3 { bottom: 10%; left: 20%; }

        /* 全局通用容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部与导航 */
        header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            max-height: 48px;
            width: auto;
            display: block;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-menu a:hover {
            color: var(--primary);
            background: rgba(99, 102, 241, 0.05);
        }
        .nav-btn {
            background: var(--gradient-rainbow);
            color: #fff !important;
            padding: 8px 18px !important;
            border-radius: 50px !important;
            box-shadow: var(--shadow-rainbow);
        }
        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px -8px rgba(99, 102, 241, 0.35);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }
        .menu-toggle span {
            width: 24px;
            height: 2px;
            background-color: var(--dark);
            transition: var(--transition);
        }

        /* 基础 Section 结构 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }
        .section-header h2 {
            font-size: 32px;
            color: var(--dark);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* Hero 区域：首屏无图片 */
        .hero {
            background: radial-gradient(100% 100% at 50% 0%, rgba(99, 102, 241, 0.08) 0%, rgba(255, 255, 255, 0) 100%), #ffffff;
            padding: 120px 0 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(99, 102, 241, 0.15);
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            max-width: 800px;
            margin: 0 auto 24px auto;
            background: var(--gradient-rainbow);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p.lead {
            font-size: 18px;
            color: var(--text-main);
            max-width: 650px;
            margin: 0 auto 36px auto;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 12px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-primary {
            background: var(--gradient-rainbow);
            color: #fff;
            box-shadow: var(--shadow-rainbow);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 35px -5px rgba(99, 102, 241, 0.4);
        }
        .btn-outline {
            background: #ffffff;
            color: var(--text-main);
            border: 1px solid var(--border);
        }
        .btn-outline:hover {
            background: var(--light);
            border-color: var(--text-muted);
        }

        /* 统一卡片基础 */
        .card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 30px;
            transition: var(--transition);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1), var(--shadow-rainbow);
            border-color: rgba(99, 102, 241, 0.3);
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .stat-item {
            text-align: center;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px 10px;
        }
        .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            display: block;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 3. 全平台AIGC服务体系 */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .platform-card {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .platform-card h3 {
            font-size: 20px;
            color: var(--dark);
        }
        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag {
            font-size: 12px;
            background: var(--light);
            color: var(--text-main);
            padding: 4px 10px;
            border-radius: 50px;
            border: 1px solid var(--border);
            font-weight: 500;
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

        /* 4. 全自动AIGC制作流程 & 7. 标准化服务流程 */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            position: relative;
        }
        .step-card {
            position: relative;
            z-index: 2;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-rainbow);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 20px;
            box-shadow: var(--shadow-rainbow);
        }
        .step-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 5. 全行业解决方案 (场景) */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .sol-card {
            border-left: 4px solid var(--primary);
        }
        .sol-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .sol-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 6. 全国服务网络 */
        .network-box {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .network-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .net-item h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .net-item h4::before {
            content: "📍";
        }
        .net-item p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 8. 技术标准 */
        .tech-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .tech-content h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 20px;
        }
        .tech-list {
            list-style: none;
        }
        .tech-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            display: flex;
            justify-content: space-between;
        }
        .tech-list li span:last-child {
            font-weight: 600;
            color: var(--primary);
        }

        /* 9. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .case-card {
            padding: 0;
            overflow: hidden;
        }
        .case-img-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #e2e8f0;
        }
        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img-wrapper img {
            transform: scale(1.05);
        }
        .case-content {
            padding: 24px;
        }
        .case-content h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .case-content p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 10. 对比评测 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border);
            border-radius: 16px;
            background: #ffffff;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }
        .rating-box {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            background: white;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 30px;
        }
        .rating-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
        }
        .rating-stars {
            color: var(--warning);
            font-size: 24px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        th, td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }
        th {
            background-color: var(--light);
            color: var(--dark);
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background-color: rgba(99, 102, 241, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* 12. Token 比价参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .price-card {
            text-align: center;
            border: 2px solid transparent;
        }
        .price-card.featured {
            border-color: var(--primary-light);
            background: linear-gradient(180deg, rgba(99, 102, 241, 0.03) 0%, rgba(255, 255, 255, 0) 100%), #ffffff;
        }
        .price-header h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .price-amount {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin: 20px 0;
            display: block;
        }
        .price-list {
            list-style: none;
            margin-bottom: 24px;
            text-align: left;
            font-size: 14px;
            color: var(--text-muted);
        }
        .price-list li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .train-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .train-badge {
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 16px;
            display: inline-block;
        }

        /* 15. 帮助中心 / 16. FAQ / 17. 自助排查 */
        .faq-wrapper {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            background: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-q {
            padding: 20px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-q::after {
            content: "+";
            font-size: 20px;
            transition: var(--transition);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--light);
        }
        .faq-a-inner {
            padding: 20px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid var(--border);
        }
        .faq-item.active {
            border-color: var(--primary-light);
        }
        .faq-item.active .faq-q::after {
            content: "-";
            transform: rotate(180deg);
        }
        .faq-item.active .faq-a {
            max-height: 200px;
        }

        /* 18. 网站术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .wiki-card h3 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
            border-bottom: 2px solid var(--border);
            padding-bottom: 6px;
        }
        .wiki-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 19. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .news-card h3 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .news-card a {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            display: inline-block;
            margin-top: 12px;
        }

        /* 6条用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }
        .comment-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .comment-text {
            font-style: italic;
            color: var(--text-main);
            margin-bottom: 20px;
            font-size: 14px;
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .comment-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-rainbow);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }
        .comment-info h4 {
            font-size: 14px;
            color: var(--dark);
        }
        .comment-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 11. 智能需求匹配 + 20. 联系我们 表单 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        .contact-info-box {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .contact-info-box h3 {
            font-size: 24px;
            color: var(--dark);
        }
        .contact-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .contact-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .contact-details h4 {
            font-size: 14px;
            color: var(--dark);
        }
        .contact-details p {
            font-size: 14px;
            color: var(--text-muted);
        }
        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 500;
            color: var(--dark);
        }
        .form-control {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-family: inherit;
            font-size: 14px;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        /* 友情链接与底部 */
        footer {
            background-color: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-links h4 {
            font-size: 16px;
            color: #ffffff;
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .friend-links {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .friend-links h4 {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .friend-links-box {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friend-links-box a {
            color: rgba(255, 255, 255, 0.4);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }
        .friend-links-box a:hover {
            color: #ffffff;
        }
        .copyright {
            margin-top: 40px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 浮动客服 */
        .float-kefu {
            position: fixed;
            right: 24px;
            bottom: 24px;
            background: #ffffff;
            border: 1px solid var(--border);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            border-radius: 12px;
            padding: 16px;
            z-index: 999;
            text-align: center;
            width: 140px;
            transition: var(--transition);
        }
        .float-kefu:hover {
            transform: translateY(-5px);
        }
        .float-kefu img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            margin-bottom: 8px;
            border-radius: 4px;
        }
        .float-kefu p {
            font-size: 12px;
            font-weight: 600;
            color: var(--dark);
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-grid, .contact-wrapper, .tech-box {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #ffffff;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 576px) {
            .hero h1 {
                font-size: 28px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .float-kefu {
                display: none; /* 移动端隐藏以防挡路 */
            }
        }