:root {
            --primary: #0052FF;
            --primary-light: #EBF2FF;
            --secondary: #FF6B00;
            --success: #00E5A3;
            --dark: #0F172A;
            --light: #F8FAFC;
            --border: #E2E8F0;
            --text-muted: #64748B;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-width: 1200px;
        }

        /* 重置样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-main);
            color: var(--dark);
            background-color: #FFFFFF;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        /* 统一布局容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 极致鲜亮风全局装饰 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-bg-light {
            background-color: var(--light);
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--success));
            border-radius: 2px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 导航栏 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            height: 45px;
            width: auto;
        }
        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(90deg, 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: #334155;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }
        .nav-btn {
            background: var(--primary);
            color: #FFFFFF !important;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.2);
        }
        .nav-btn:hover {
            background: #0043D0;
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        /* 1. Hero 首屏 - 极致鲜亮风 (无背景图片，高科技渐变与卡片排版) */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(0, 229, 163, 0.15), transparent 40%),
                        radial-gradient(circle at 10% 80%, rgba(0, 82, 255, 0.1), transparent 50%),
                        #FFFFFF;
            padding: 120px 0 100px 0;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 24px;
            border: 1px solid rgba(0, 82, 255, 0.15);
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -1px;
            color: var(--dark);
        }
        .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: 1.25rem;
            color: var(--text-muted);
            max-width: 780px;
            margin: 0 auto 40px auto;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, #0043D0 100%);
            color: #FFFFFF;
            box-shadow: 0 10px 25px rgba(0, 82, 255, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 82, 255, 0.4);
        }
        .btn-secondary {
            background: #FFFFFF;
            color: var(--dark);
            border: 2px solid var(--border);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* 2. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -30px;
            position: relative;
            z-index: 10;
        }
        .stat-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            padding: 30px 24px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 82, 255, 0.1);
            border-color: var(--primary);
        }
        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-num span {
            color: var(--secondary);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 3. 关于我们 */
        .about-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .about-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .about-text {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .about-highlights {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }
        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .highlight-icon {
            width: 24px;
            height: 24px;
            color: var(--success);
            flex-shrink: 0;
        }
        .highlight-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .highlight-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .about-banner-container {
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 229, 163, 0.1) 100%);
            border-radius: 24px;
            padding: 20px;
            border: 1px solid var(--border);
        }
        .about-banner-container img {
            border-radius: 16px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        /* 4. 全平台AIGC服务体系 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            padding: 40px 30px;
            border-radius: 24px;
            transition: all 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 82, 255, 0.08);
            border-color: var(--primary);
        }
        .service-icon-box {
            width: 60px;
            height: 60px;
            background: var(--primary-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 24px;
        }
        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .service-list {
            list-style: none;
        }
        .service-list li {
            font-size: 0.9rem;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .service-list li::before {
            content: "✓";
            color: var(--success);
            font-weight: bold;
        }

        /* 5. 全自动AIGC制作流程 & 8. 标准化服务流程 (时间轴) */
        .timeline {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
        }
        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background: var(--border);
            transform: translateX(-50%);
        }
        .timeline-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 50px;
            width: 100%;
            position: relative;
        }
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        .timeline-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid #FFFFFF;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
            box-shadow: 0 0 10px rgba(0, 82, 255, 0.4);
        }
        .timeline-content {
            width: 45%;
            background: #FFFFFF;
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
        }
        .timeline-item:hover .timeline-dot {
            background: var(--secondary);
            transform: translateX(-50%) scale(1.2);
        }
        .timeline-item:hover .timeline-content {
            border-color: var(--secondary);
            box-shadow: 0 10px 30px rgba(255, 107, 0, 0.08);
        }
        .timeline-num {
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 8px;
        }
        .timeline-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .timeline-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 6. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 30px 24px;
            transition: all 0.3s ease;
        }
        .solution-card:hover {
            transform: scale(1.03);
            border-color: var(--success);
            box-shadow: 0 15px 30px rgba(0, 229, 163, 0.08);
        }
        .solution-badge {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(0, 229, 163, 0.1);
            color: #00B37E;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 6px;
            margin-bottom: 16px;
        }
        .solution-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .solution-card p {
            color: var(--text-muted);
            font-size: 0.88rem;
        }

        /* 7. 全国服务网络 */
        .network-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .network-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 24px;
        }
        .network-city {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            padding: 12px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 10px;
        }
        .network-city span {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
        }
        .network-map-mock {
            background: radial-gradient(circle, var(--primary-light) 10%, transparent 60%);
            border: 2px dashed var(--primary);
            border-radius: 24px;
            height: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            text-align: center;
            padding: 40px;
        }
        .network-map-mock h4 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* 9. 技术标准 & 12. Token比价参考 (表格) */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            background: #FFFFFF;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        th, td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
        }
        th {
            background-color: var(--light);
            font-weight: 700;
            color: var(--dark);
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background-color: var(--primary-light);
        }

        /* 10. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border-color: var(--primary);
        }
        .case-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--light);
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-content {
            padding: 24px;
        }
        .case-tag {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }
        .case-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .case-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }
        .case-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--dark);
            font-weight: 600;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .case-meta span span {
            color: var(--secondary);
        }

        /* 11. 对比评测 */
        .rating-box {
            background: linear-gradient(135deg, var(--dark) 0%, #1E293B 100%);
            color: #FFFFFF;
            border-radius: 24px;
            padding: 50px;
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }
        .rating-score {
            text-align: center;
            border-right: 1px solid rgba(255,255,255,0.1);
            padding-right: 40px;
        }
        .score-num {
            font-size: 5rem;
            font-weight: 900;
            color: var(--success);
            line-height: 1;
        }
        .score-stars {
            color: #FFB800;
            font-size: 1.8rem;
            margin: 12px 0;
        }
        .score-label {
            font-size: 1.1rem;
            opacity: 0.8;
        }
        .rating-aspects h3 {
            font-size: 1.6rem;
            margin-bottom: 24px;
        }
        .aspect-item {
            margin-bottom: 18px;
        }
        .aspect-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .aspect-bar {
            height: 8px;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            overflow: hidden;
        }
        .aspect-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--success));
            border-radius: 4px;
        }

        /* 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: 20px;
        }
        .training-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(0, 82, 255, 0.06);
        }
        .training-icon {
            width: 50px;
            height: 50px;
            margin: 0 auto 16px auto;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .training-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 15. 帮助中心 & 16. FAQ & 17. 常见问题自助排查 */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-header {
            padding: 20px 24px;
            background: #FFFFFF;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }
        .faq-header h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
        }
        .faq-icon {
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: var(--light);
        }
        .faq-content {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.05);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.active .faq-body {
            max-height: 300px;
        }

        /* 18. 网站术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .wiki-card {
            background: #FFFFFF;
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 24px;
        }
        .wiki-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .wiki-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 软件介绍 / 平台介绍 */
        .intro-section {
            background: linear-gradient(180deg, var(--light) 0%, #FFFFFF 100%);
        }
        .intro-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        .intro-feature-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }
        .intro-feature-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .intro-feature-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .comment-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 30px;
            position: relative;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }
        .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .comment-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }
        .comment-user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }
        .comment-user-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .comment-text {
            font-size: 0.9rem;
            color: var(--dark);
            line-height: 1.6;
        }
        .comment-stars {
            color: #FFB800;
            font-size: 0.85rem;
            margin-top: 10px;
        }

        /* 19. 行业资讯 / 知识库 (最新文章) */
        .articles-wrap {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }
        .article-main {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 40px;
        }
        .article-main-tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.8rem;
            display: inline-block;
            margin-bottom: 16px;
        }
        .article-main h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .article-main p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-main-btn {
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
        }
        .article-item:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.05);
        }
        .article-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .article-item span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 11. 智能需求匹配 (表单) & 20. 联系我们 */
        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .contact-card {
            background: var(--light);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 40px;
        }
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }
        .contact-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: bold;
        }
        .contact-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .contact-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .qr-codes {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 20px;
        }
        .qr-item {
            text-align: center;
        }
        .qr-item img {
            width: 100%;
            border-radius: 12px;
            border: 1px solid var(--border);
            margin-bottom: 8px;
        }
        .qr-item span {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--dark);
        }
        
        /* 表单样式 */
        .form-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.03);
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group-full {
            grid-column: span 2;
        }
        .form-label {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark);
        }
        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-family: var(--font-main);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }
        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.15);
        }
        .form-btn {
            width: 100%;
            border: none;
            cursor: pointer;
            padding: 14px;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: var(--dark);
            color: #94A3B8;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1E293B;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo-area {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .footer-logo-area img {
            filter: brightness(0) invert(1);
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            flex-wrap: wrap;
            gap: 16px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 16px;
            padding: 16px 0;
            border-top: 1px dashed rgba(255,255,255,0.1);
        }
        .friend-links a {
            color: #64748B;
            font-size: 0.8rem;
        }
        .friend-links a:hover {
            color: #FFFFFF;
        }

        /* 悬浮组件 */
        .float-bar {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            cursor: pointer;
            position: relative;
        }
        .float-item:hover {
            background: var(--primary);
            color: #FFFFFF;
        }
        .float-qr {
            position: absolute;
            bottom: 0;
            right: 60px;
            width: 140px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
        }
        .float-qr img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }
        .float-qr span {
            color: var(--dark);
            font-size: 0.75rem;
            font-weight: bold;
            display: block;
            margin-top: 6px;
        }
        .float-item:hover .float-qr {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .case-grid, .comments-grid, .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-wrap, .network-wrap, .rating-box, .articles-wrap, .contact-wrap {
                grid-template-columns: 1fr;
            }
            .rating-score {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                padding-right: 0;
                padding-bottom: 40px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 12px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-dot {
                left: 20px;
            }
            .timeline-content {
                width: calc(100% - 40px);
                margin-left: 40px;
            }
            .timeline-item:nth-child(even) {
                flex-direction: row;
            }
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .service-grid, .solutions-grid, .case-grid, .comments-grid, .wiki-grid, .training-grid {
                grid-template-columns: 1fr;
            }
        }