/* 基础变量与重置 */
        :root {
            --primary: #ff1493; /* 桃红 */
            --primary-dark: #c71585; /* 深桃红 */
            --primary-light: #fff0f5; /* 浅桃红 */
            --secondary: #7b1fa2; /* 科技紫 */
            --dark: #212121;
            --light: #fafafa;
            --gray: #666666;
            --border-color: #f1e4e8;
            --shadow: 0 10px 30px rgba(255, 20, 147, 0.08);
            --transition: all 0.3s ease;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark);
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
            margin-bottom: 15px;
        }

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

        .section-header p {
            color: var(--gray);
            font-size: 1.1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            outline: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(255, 20, 147, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 20, 147, 0.4);
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            max-height: 45px;
            width: auto;
        }

        .brand-name {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark);
            padding: 8px 12px;
            border-radius: 4px;
        }

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

        .nav-btn {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            transition: var(--transition);
        }

        /* 主体布局 */
        main {
            padding-top: 80px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        /* 1. Hero 首屏 (无图片) */
        #hero {
            background: radial-gradient(circle at 10% 20%, rgba(255, 240, 245, 0.5) 0%, rgba(255, 255, 255, 1) 90%);
            text-align: center;
            padding: 120px 0 100px 0;
            border-bottom: none;
            position: relative;
            overflow: hidden;
        }

        #hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,20,147,0.08) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 850px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(255, 20, 147, 0.2);
        }

        #hero h1 {
            font-size: 2.8rem;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 25px;
            font-weight: 800;
        }

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

        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        /* 2. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: #ffffff;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

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

        /* 3. 关于我们 */
        #about {
            background-color: #ffffff;
        }

        .about-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-text p {
            color: var(--gray);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-media img {
            border-radius: 15px;
            box-shadow: var(--shadow);
        }

        /* 4. 全平台AIGC服务 */
        #services {
            background-color: var(--primary-light);
        }

        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 30px;
        }

        .platform-tag {
            background: #ffffff;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--dark);
            border: 1px solid var(--border-color);
            box-shadow: 0 2px 5px rgba(0,0,0,0.02);
            font-weight: 500;
        }

        /* 5. 一站式AIGC制作 */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .prod-card {
            background: #ffffff;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .prod-card:hover {
            transform: translateY(-8px);
        }

        .prod-card-body {
            padding: 25px;
        }

        .prod-card-body h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .prod-card-body p {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* 6. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .sol-card {
            background: #ffffff;
            padding: 30px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow);
        }

        /* 7. 标准化AIGC流程 */
        .workflow-timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
        }

        .workflow-timeline::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--border-color);
            z-index: 1;
        }

        .step-item {
            position: relative;
            z-index: 2;
            text-align: center;
            width: 18%;
        }

        .step-num {
            width: 54px;
            height: 54px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(255,20,147,0.2);
        }

        /* 8. 技术标准 & 9. 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 30px;
        }

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

        .case-card img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .case-info {
            padding: 25px;
        }

        /* 10. 对比评测 */
        .evaluation-box {
            background: #ffffff;
            border-radius: 15px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        .eval-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 20px;
        }

        .eval-score {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
        }

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

        .eval-table th, .eval-table td {
            padding: 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .eval-table th {
            font-weight: 700;
            color: var(--dark);
        }

        /* 11. 智能需求匹配 + 20. 联系我们表单 */
        .match-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .form-box {
            background: #ffffff;
            padding: 40px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

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

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

        .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(255,20,147,0.1);
        }

        /* 12. Token比价参考 */
        .price-table-wrap {
            overflow-x: auto;
        }

        .price-table {
            width: 100%;
            border-collapse: collapse;
            background: #ffffff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .price-table th, .price-table td {
            padding: 18px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .price-table th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .train-card {
            background: #ffffff;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .train-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        /* 15. 帮助中心 & 16. FAQ & 17. 常见问题自助排查 & 18. AI术语百科 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border-radius: 8px;
            margin-bottom: 15px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #ffffff;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: var(--primary-light);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--gray);
            border-top: 0px solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 200px;
            border-top: 1px solid var(--border-color);
        }

        /* 19. 行业资讯 / 知识库 */
        .article-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .article-item {
            background: #ffffff;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .article-link {
            font-weight: 600;
            color: var(--dark);
        }

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

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 40px;
        }

        .review-card {
            background: #ffffff;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

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

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

        .user-info h4 {
            font-size: 1rem;
            color: var(--dark);
        }

        .user-info span {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* 21. 加盟代理 */
        .agent-box {
            background: linear-gradient(135deg, var(--primary-light) 0%, #ffffff 100%);
            border-radius: 15px;
            padding: 40px;
            text-align: center;
            border: 1px solid rgba(255, 20, 147, 0.15);
            box-shadow: var(--shadow);
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(255, 20, 147, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

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

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #ffffff;
            padding: 15px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
            border: 1px solid var(--border-color);
        }

        .qr-popup img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .qr-popup span {
            font-size: 0.8rem;
            color: var(--dark);
            display: block;
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #ffffff;
            padding: 60px 0 30px 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            max-height: 40px;
            margin-bottom: 15px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

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

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

        .footer-links a {
            color: #cccccc;
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .copyright-bar {
            border-top: 1px solid #333333;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #888888;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links a {
            margin-right: 15px;
            color: #888888;
        }

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-wrap, .match-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .production-grid, .solutions-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            #hero h1 {
                font-size: 2.2rem;
            }
            .production-grid, .solutions-grid, .reviews-grid, .training-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .workflow-timeline {
                flex-direction: column;
                gap: 30px;
            }
            .workflow-timeline::before {
                display: none;
            }
            .step-item {
                width: 100%;
            }
            .cases-grid, .article-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }