:root {
            --primary: #7C3AED;
            --primary-light: #A78BFA;
            --primary-dark: #5B21B6;
            --accent: #EC4899;
            --bg-light: #FAFAFE;
            --bg-card: #FFFFFF;
            --text-dark: #1F2937;
            --text-muted: #4B5563;
            --text-light: #9CA3AF;
            --border-color: #E5E7EB;
            --shadow-sm: 0 2px 4px rgba(124, 58, 237, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(124, 58, 237, 0.08), 0 2px 4px -1px rgba(124, 58, 237, 0.04);
            --shadow-lg: 0 10px 15px -3px rgba(124, 58, 237, 0.1), 0 4px 6px -2px rgba(124, 58, 237, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            transition: var(--transition);
        }

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

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

        .logo-container img {
            height: 40px;
            width: auto;
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(124, 58, 237, 0.05);
        }

        .nav-btn {
            background-color: var(--primary);
            color: #ffffff;
            padding: 8px 16px;
            border-radius: 20px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.2);
        }

        .nav-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: none;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 英雄首屏 (无图片) */
        .hero {
            padding: 160px 0 80px 0;
            background: radial-gradient(circle at top right, rgba(167, 139, 250, 0.15), transparent 60%),
                        radial-gradient(circle at bottom left, rgba(236, 72, 153, 0.1), transparent 60%);
            text-align: center;
        }

        .hero-tag {
            display: inline-block;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(236, 72, 153, 0.1));
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: 40px;
            line-height: 1.25;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-dark) 30%, var(--accent) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 24px;
        }

        .hero-desc {
            max-width: 700px;
            margin: 0 auto 36px auto;
            color: var(--text-muted);
            font-size: 18px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #ffffff;
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(124, 58, 237, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(124, 58, 237, 0.35);
        }

        .btn-secondary {
            background-color: #ffffff;
            color: var(--primary-dark);
            border: 2px solid var(--primary-light);
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background-color: rgba(124, 58, 237, 0.05);
            transform: translateY(-2px);
        }

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

        .stat-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
        }

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

        .about-text h3 {
            font-size: 24px;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }

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

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feature-item {
            background-color: var(--bg-card);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .about-feature-item h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .about-feature-item p {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* 4. 全平台AIGC服务 (支持的AI平台标签云) */
        .models-container {
            background-color: var(--bg-card);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .models-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            color: var(--text-dark);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            cursor: default;
        }

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

        /* 5. 一站式AIGC制作 (场景展示卡片) */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .scene-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .scene-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

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

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

        /* 6. 全行业解决方案 */
        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 10px 24px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background-color: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

        .solution-content {
            background-color: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .solution-pane {
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .solution-pane.active {
            display: grid;
        }

        .solution-text h3 {
            font-size: 24px;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }

        .solution-text ul {
            list-style-type: none;
            margin-top: 16px;
        }

        .solution-text li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .solution-text li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        /* 7. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .network-card {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .network-card h4 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 8. 标准化AIGC流程 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow-sm);
            z-index: 2;
        }

        .step-number {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 16px auto;
        }

        .step-item h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

        /* 9. 技术标准 */
        .tech-standards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .standard-card {
            background-color: var(--bg-card);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .standard-card h3 {
            font-size: 18px;
            color: var(--primary-dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        /* 10. 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background-color: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .case-image-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #f3f4f6;
        }

        .case-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-image-container img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            background-color: rgba(124, 58, 237, 0.1);
            color: var(--primary-dark);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

        /* 11. 对比评测 */
        .review-card {
            background: linear-gradient(135deg, var(--bg-card), rgba(167, 139, 250, 0.05));
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .review-score {
            text-align: center;
            background-color: var(--primary);
            color: #ffffff;
            padding: 30px;
            border-radius: 20px;
            min-width: 200px;
            box-shadow: 0 10px 20px rgba(124, 58, 237, 0.2);
        }

        .score-num {
            font-size: 64px;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 8px;
        }

        .score-stars {
            color: #FBBF24;
            font-size: 20px;
            margin-bottom: 8px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: var(--bg-card);
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .compare-table th {
            background-color: var(--bg-light);
            font-weight: 600;
            color: var(--text-dark);
        }

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

        .compare-table td.highlight {
            background-color: rgba(124, 58, 237, 0.02);
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* 12. 智能需求匹配 (交互计算器) */
        .matching-container {
            background-color: var(--bg-card);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .matching-form {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }

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

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .form-control {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
            background-color: var(--bg-light);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

        .match-result {
            background-color: rgba(124, 58, 237, 0.05);
            border-radius: 12px;
            padding: 24px;
            border-left: 4px solid var(--primary);
        }

        .match-result h4 {
            color: var(--primary-dark);
            margin-bottom: 10px;
            font-size: 18px;
        }

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

        /* 13. Token比价参考 */
        .token-pricing {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pricing-card {
            background-color: var(--bg-card);
            border-radius: 20px;
            padding: 36px 30px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
        }

        .pricing-card.featured::before {
            content: '首选推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #ffffff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
        }

        .pricing-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .price-val {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }

        .price-val span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-light);
        }

        .pricing-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .pricing-features li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
            position: relative;
            padding-left: 20px;
        }

        .pricing-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* 14. 职业技术培训 & 15. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .course-card {
            background-color: var(--bg-card);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .course-header {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #ffffff;
            padding: 24px;
            text-align: center;
        }

        .course-header h3 {
            font-size: 18px;
            font-weight: 700;
        }

        .course-body {
            padding: 24px;
        }

        .course-info-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .course-info-list li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
            padding-left: 18px;
            position: relative;
        }

        .course-info-list li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        /* 16. 帮助中心 & 17. 常见问题自助排查 */
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
        }

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

        .faq-question:hover {
            background-color: rgba(124, 58, 237, 0.02);
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

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

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

        .faq-answer-content {
            padding: 0 20px 20px 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .troubleshoot-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }

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

        .troubleshoot-list li {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            gap: 15px;
            font-size: 14px;
        }

        .troubleshoot-list li:last-child {
            border-bottom: none;
        }

        .troubleshoot-step {
            width: 24px;
            height: 24px;
            background-color: var(--primary-light);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 12px;
            font-weight: 700;
        }

        /* 18. AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .glossary-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            transition: var(--transition);
        }

        .glossary-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .glossary-card h4 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .glossary-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 19. 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .user-review-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .review-user-info h4 {
            font-size: 14px;
            color: var(--text-dark);
        }

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

        .user-review-card p {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
        }

        /* 20. 行业资讯 / 知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .article-card h4 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .article-link {
            font-size: 13px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 21. 联系我们 & 加盟代理 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-info-panel {
            background-color: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 15px;
        }

        .contact-item strong {
            color: var(--primary-dark);
            min-width: 80px;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            background-color: var(--bg-light);
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            object-fit: contain;
            margin-bottom: 10px;
        }

        .qr-item p {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
        }

        .contact-form-panel {
            background-color: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

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

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }

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

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

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

        /* 页脚 */
        footer {
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

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

        .footer-logo img {
            height: 40px;
            margin-bottom: 20px;
        }

        .footer-title {
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid #1F2937;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links a {
            color: #6B7280;
            text-decoration: none;
            font-size: 13px;
        }

        .friend-links a:hover {
            color: #9CA3AF;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenes-grid, .tech-standards, .cases-grid, .token-pricing, .training-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container {
                grid-template-columns: repeat(3, 1fr);
                gap: 15px;
            }
            .articles-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #ffffff;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-top: 1px solid var(--border-color);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 28px;
            }

            .about-content, .solution-pane, .faq-layout, .contact-layout, .footer-grid {
                grid-template-columns: 1fr;
            }

            .solution-pane.active {
                grid-template-columns: 1fr;
            }

            .stats-grid, .scenes-grid, .tech-standards, .cases-grid, .token-pricing, .training-grid, .reviews-grid, .glossary-grid {
                grid-template-columns: 1fr;
            }

            .steps-container {
                grid-template-columns: 1fr;
            }

            .articles-list {
                grid-template-columns: 1fr;
            }

            .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .matching-form {
                grid-template-columns: 1fr;
            }
        }