/* 基础样式复位 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        :root {
            --primary: #7C3AED;
            --primary-hover: #6D28D9;
            --primary-light: #F5F3FF;
            --secondary: #DB2777;
            --text-dark: #1E1B4B;
            --text-muted: #4B5563;
            --bg-light: #F9FAFB;
            --bg-gradient: linear-gradient(135deg, #F5F3FF 0%, #FFFFFF 50%, #FDF2F8 100%);
            --transition: all 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
        }

        body {
            background-color: var(--bg-light);
            overflow-x: hidden;
        }

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid #E5E7EB;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

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

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

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

        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }

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

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

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: none;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
        }

        /* 按钮通用样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF !important;
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
        }

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

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

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

        /* 主体各板块通用间距 */
        section {
            padding: 80px 0;
            background-color: #FFFFFF;
            border-bottom: 1px solid #F3F4F6;
        }

        .section-alt {
            background-color: var(--primary-light);
        }

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

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 12px auto 0;
            border-radius: 2px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px;
            font-size: 16px;
        }

        /* 1. 首页 Hero - 首屏无图片 */
        #home {
            background: var(--bg-gradient);
            padding: 140px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 绚烂背景光圈 */
        .glow-circle {
            position: absolute;
            border-radius: 50%;
            filter: blur(100px);
            opacity: 0.15;
            z-index: 1;
        }
        .glow-1 {
            top: 10%;
            left: 15%;
            width: 300px;
            height: 300px;
            background-color: var(--primary);
        }
        .glow-2 {
            bottom: 10%;
            right: 15%;
            width: 350px;
            height: 350px;
            background-color: var(--secondary);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background-color: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        .hero-title {
            font-size: 48px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 24px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
            position: relative;
            z-index: 2;
        }

        .stat-card {
            background: #FFFFFF;
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            border: 1px solid rgba(229, 231, 235, 0.5);
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(124, 58, 237, 0.1);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 2. 关于我们 */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .about-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }

        .about-tag {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
        }

        .about-visual {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 20px;
            padding: 40px;
            color: #FFFFFF;
            box-shadow: 0 10px 25px -5px rgba(124, 58, 237, 0.3);
        }

        .about-visual h3 {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .about-visual ul {
            list-style: none;
        }

        .about-visual li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* 3. 全平台AIGC服务体系 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            border-color: var(--primary);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 24px;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

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

        /* 4. 全自动AIGC制作流程 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .workflow-step {
            background-color: #FFFFFF;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
            position: relative;
            text-align: center;
        }

        .step-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .workflow-step h3 {
            margin-top: 10px;
            font-size: 18px;
            margin-bottom: 10px;
        }

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

        /* 5. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-item {
            background-color: #FFFFFF;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            border: 1px solid #E5E7EB;
        }

        .solution-body {
            padding: 30px;
        }

        .solution-body h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .solution-body p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 20px;
        }

        .solution-list {
            list-style: none;
        }

        .solution-list li {
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-list li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .network-node {
            background-color: #FFFFFF;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #E5E7EB;
            text-align: center;
            font-weight: 600;
            color: var(--text-dark);
        }

        .network-node.active {
            border-color: var(--primary);
            background-color: var(--primary-light);
            color: var(--primary);
        }

        /* 7. 标准化服务全流程 */
        .standard-steps {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .standard-step-row {
            display: flex;
            align-items: center;
            background-color: #FFFFFF;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid #E5E7EB;
            gap: 20px;
        }

        .step-num-large {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary-light);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            min-width: 60px;
        }

        .step-info h4 {
            font-size: 18px;
            margin-bottom: 4px;
        }

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

        /* 8. 技术标准 */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tech-box {
            background-color: #FFFFFF;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
        }

        .tech-box h4 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text-dark);
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

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

        /* 9. 客户案例中心 - 包含指定图片 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: #FFFFFF;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            border: 1px solid #E5E7EB;
        }

        .case-img-container {
            width: 100%;
            height: 250px;
            overflow: hidden;
            background-color: #F3F4F6;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-title {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

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

        /* 10. 对比评测 - 表格组件 */
        .comparison-wrapper {
            background-color: #FFFFFF;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid #E5E7EB;
        }

        .rating-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: var(--primary-light);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 30px;
        }

        .rating-info h4 {
            font-size: 18px;
            margin-bottom: 4px;
        }

        .rating-score {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
        }

        .comparison-table-container {
            overflow-x: auto;
        }

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

        .comparison-table th, .comparison-table td {
            padding: 16px;
            border-bottom: 1px solid #E5E7EB;
        }

        .comparison-table th {
            background-color: #F9FAFB;
            font-weight: 700;
        }

        .comparison-table td.highlight {
            font-weight: 700;
            color: var(--primary);
            background-color: rgba(124, 58, 237, 0.02);
        }

        /* 11. 智能需求匹配 - 表单组件 */
        .form-container {
            background-color: #FFFFFF;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid #E5E7EB;
            max-width: 800px;
            margin: 0 auto;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

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

        .form-group.full-width {
            grid-column: span 2;
        }

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

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px;
            border: 1px solid #D1D5DB;
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        /* 12. Token比价参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .price-card {
            background-color: #FFFFFF;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
            padding: 30px;
            text-align: center;
            position: relative;
        }

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(124, 58, 237, 0.1);
        }

        .price-card.featured::before {
            content: '最佳性价比';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .price-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .price-val {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 15px 0;
        }

        .price-val span {
            font-size: 14px;
            color: var(--text-muted);
        }

        .price-features {
            list-style: none;
            margin-bottom: 24px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .price-features li {
            margin-bottom: 8px;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid #E5E7EB;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .training-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .training-card h3::before {
            content: '■';
            color: var(--secondary);
        }

        .training-courses {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .course-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px;
            background-color: var(--bg-light);
            border-radius: 8px;
        }

        .course-name {
            font-weight: 600;
            font-size: 15px;
        }

        .course-label {
            font-size: 12px;
            background-color: rgba(219, 39, 119, 0.1);
            color: var(--secondary);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* 15. 帮助中心 */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .help-box {
            background-color: #FFFFFF;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
            text-align: center;
        }

        .help-box h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .help-box a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
        }

        /* 16. FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid #E5E7EB;
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #FFFFFF;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-header::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            transition: var(--transition);
        }

        .faq-item.active .faq-header::after {
            content: '-';
            transform: rotate(180deg);
        }

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

        .faq-content {
            padding: 20px;
            border-top: 1px solid #F3F4F6;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        /* 17. 常见问题自助排查 */
        .trouble-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .trouble-card {
            background-color: #FFFFFF;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
            padding: 24px;
        }

        .trouble-card h4 {
            color: #DC2626;
            margin-bottom: 10px;
            font-size: 16px;
        }

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

        /* 18. 网站术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .glossary-card {
            background-color: #FFFFFF;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid #E5E7EB;
        }

        .glossary-card h5 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 19. 行业资讯 / 知识库 - 包含指定文章 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .article-card {
            background-color: #FFFFFF;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h4 {
            font-size: 16px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .article-card a {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            margin-top: 15px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 20. 客户评论 - 6条 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background-color: #FFFFFF;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #E5E7EB;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
        }

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

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

        .user-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .user-info h5 {
            font-size: 14px;
            color: var(--text-dark);
        }

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

        /* 联系我们 */
        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-method {
            display: flex;
            align-items: center;
            gap: 15px;
            background-color: #FFFFFF;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid #E5E7EB;
        }

        .contact-method-icon {
            font-size: 24px;
            color: var(--primary);
        }

        .contact-qr-box {
            display: flex;
            gap: 20px;
            align-items: center;
            background-color: #FFFFFF;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid #E5E7EB;
            margin-top: 20px;
        }

        .contact-qr-box img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border-radius: 4px;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 20px;
            font-size: 14px;
            border-top: 1px solid #1F2937;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #FFFFFF;
            font-size: 20px;
            margin-bottom: 15px;
        }

        .footer-brand p {
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: #FFFFFF;
            font-size: 16px;
            margin-bottom: 15px;
        }

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

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

        .footer-links a {
            color: #9CA3AF;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .friend-links-area {
            border-top: 1px solid #1F2937;
            padding-top: 20px;
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links-area a {
            color: #6B7280;
            text-decoration: none;
            transition: var(--transition);
        }

        .friend-links-area a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid #1F2937;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* 悬浮客服面板 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background-color: var(--primary);
            color: #FFFFFF;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
            cursor: pointer;
            transition: var(--transition);
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .kefu-popover {
            position: absolute;
            bottom: 75px;
            right: 0;
            background-color: #FFFFFF;
            border: 1px solid #E5E7EB;
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            width: 220px;
            text-align: center;
            color: var(--text-dark);
        }

        .kefu-popover.active {
            display: block;
        }

        .kefu-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 10px;
        }

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

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .workflow-timeline, .price-grid, .help-grid, .trouble-grid, .articles-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .glossary-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid #E5E7EB;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                display: none;
            }
            .nav-links.active {
                display: flex;
            }
            .about-content, .solutions-grid, .cases-grid, .training-grid, .contact-content {
                grid-template-columns: 1fr;
            }
            .stats-grid, .services-grid, .workflow-timeline, .price-grid, .help-grid, .trouble-grid, .articles-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }
            .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .network-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-title {
                font-size: 32px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }