/* 基础重置与桃红艳丽风视觉定义 */
        :root {
            --primary: #db2777; /* 艳丽桃红 */
            --primary-hover: #be185d;
            --primary-light: #fdf2f8;
            --secondary: #4f46e5;
            --dark: #0f172a;
            --light-bg: #fffbfd; /* 柔和浅粉底色 */
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-700: #334155;
            --gray-800: #1e293b;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(219, 39, 119, 0.1), 0 4px 6px -2px rgba(219, 39, 119, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--gray-800);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一页面容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(219, 39, 119, 0.05);
        }

        /* 标题设计 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-subtitle {
            color: var(--gray-700);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            border-bottom: 1px solid rgba(219, 39, 119, 0.1);
        }

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

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

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

        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-links a {
            color: var(--gray-700);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .nav-links .ai-page-home-link {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-btn {
            background-color: var(--primary);
            color: white !important;
            padding: 8px 16px;
            border-radius: 20px;
            transition: var(--transition);
        }

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--dark);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* 按钮通用 */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            text-align: center;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #ec4899);
            color: white;
            box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-hover), #db2777);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: white;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

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

        /* 1. 首页 Hero 首屏 (无图) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at top right, rgba(253, 242, 248, 0.8), rgba(255, 255, 255, 1));
            text-align: center;
        }

        .hero-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(219, 39, 119, 0.2);
        }

        .hero-h1 {
            font-size: 2.5rem;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--dark) 30%, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--gray-700);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 2. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border-bottom: 3px solid var(--primary);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--gray-700);
            font-weight: 600;
        }

        /* 3. 关于我们与平台介绍 */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .about-text p {
            color: var(--gray-700);
            margin-bottom: 20px;
        }

        .platform-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .pf-item {
            background: white;
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--secondary);
            font-size: 0.9rem;
            color: var(--gray-700);
            box-shadow: var(--shadow-sm);
        }

        /* 4. 全平台AIGC服务 */
        .models-container {
            background-color: white;
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(219, 39, 119, 0.1);
        }

        .models-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-tag {
            background-color: var(--gray-100);
            color: var(--gray-800);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }

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

        /* 5. 一站式AIGC制作 & 解决方案 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(219, 39, 119, 0.05);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--gray-700);
            margin-bottom: 15px;
        }

        /* 6. 全国服务网络与加盟代理 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .network-item {
            display: flex;
            align-items: center;
            gap: 15px;
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
        }

        .network-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            width: 35px;
            height: 35px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .partner-box {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 35px;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
        }

        .partner-box h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .partner-box p {
            margin-bottom: 25px;
            opacity: 0.9;
        }

        /* 7. 标准化AIGC流程 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--gray-200);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: white;
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -8px;
        }

        .timeline-content {
            padding: 20px;
            background-color: white;
            position: relative;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
        }

        /* 8. 技术标准 & AI术语百科 */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .tech-card {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            border-top: 3px solid var(--secondary);
            box-shadow: var(--shadow-sm);
        }

        .tech-card h4 {
            color: var(--dark);
            margin-bottom: 10px;
        }

        /* 9. 客户案例中心 (含图片) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .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-info {
            padding: 25px;
        }

        .case-tag {
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }

        .case-title {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 10px;
        }

        /* 10. 对比评测 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(219, 39, 119, 0.1);
        }

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

        th, td {
            padding: 18px;
            border-bottom: 1px solid var(--gray-200);
        }

        th {
            background-color: var(--primary-light);
            color: var(--dark);
            font-weight: 600;
        }

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

        .highlight-row {
            background-color: rgba(219, 39, 119, 0.02);
        }

        .score-badge {
            display: inline-block;
            background-color: #fef08a;
            color: #854d0e;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* 11. 智能需求匹配 (表单) */
        .form-section {
            background-color: var(--primary-light);
        }

        .form-wrapper {
            max-width: 650px;
            margin: 0 auto;
            background: white;
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--gray-800);
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--gray-200);
            border-radius: 8px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(219, 39, 119, 0.15);
        }

        /* 12. Token比价参考 */
        .price-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .price-card {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            position: relative;
        }

        .price-card.hot {
            border-color: var(--primary);
        }

        .price-card.hot::after {
            content: "极力推荐";
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: var(--primary);
            color: white;
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .price-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin: 15px 0;
        }

        /* 13. 职业技术培训 & 人工智能培训 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .train-card {
            background: white;
            padding: 30px;
            border-radius: 12px;
            border-left: 6px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .train-card h3 {
            margin-bottom: 10px;
            color: var(--dark);
        }

        .train-card p {
            color: var(--gray-700);
            font-size: 0.9rem;
        }

        /* 14. 帮助中心 & FAQ 折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            margin-bottom: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--gray-200);
        }

        .faq-question {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: '-';
            transform: rotate(90deg);
        }

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

        .faq-answer p {
            padding: 20px;
            border-top: 1px solid var(--gray-200);
            color: var(--gray-700);
            font-size: 0.95rem;
        }

        /* 15. 常见问题自助排查 */
        .diagnostic-box {
            background: white;
            padding: 35px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            max-width: 800px;
            margin: 40px auto 0;
        }

        /* 16. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .news-card {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .news-card a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-block;
            margin-top: 15px;
        }

        /* 17. 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .comment-card {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border-top: 4px solid var(--primary);
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .comment-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
        }

        .comment-meta h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }

        .comment-meta span {
            font-size: 0.8rem;
            color: var(--gray-700);
        }

        .comment-text {
            font-size: 0.9rem;
            color: var(--gray-700);
            font-style: italic;
        }

        /* 页脚 */
        footer {
            background-color: var(--gray-800);
            color: #94a3b8;
            padding: 60px 0 20px;
            font-size: 0.9rem;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

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

        .footer-col a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: white;
        }

        .footer-qr img {
            width: 120px;
            height: auto;
            border-radius: 8px;
            margin-top: 10px;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
        }

        .footer-bottom-links {
            margin-bottom: 15px;
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.85rem;
        }

        .footer-bottom-links a:hover {
            color: white;
        }

        /* 悬浮侧栏 */
        .sticky-contact {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sticky-btn {
            background-color: var(--primary);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            text-decoration: none;
            position: relative;
            transition: var(--transition);
        }

        .sticky-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.1);
        }

        .sticky-btn .tooltip {
            position: absolute;
            right: 60px;
            background-color: var(--dark);
            color: white;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .sticky-btn:hover .tooltip {
            opacity: 1;
            visibility: visible;
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: white;
            padding: 10px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            display: none;
            border: 1px solid var(--gray-200);
        }

        .qr-popup img {
            width: 150px;
            height: auto;
            display: block;
        }

        .sticky-btn:hover .qr-popup {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-content, .network-grid {
                grid-template-columns: 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 23px;
            }
            .right {
                left: 0%;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: white;
                border-bottom: 1px solid var(--gray-200);
                padding: 20px;
                box-shadow: var(--shadow-md);
            }
            .nav-links.active {
                display: flex;
            }
            .hero-h1 {
                font-size: 2rem;
            }
        }