/* CSS reset & variables */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #FF5500;
            --primary-hover: #E04B00;
            --secondary: #FF8800;
            --light-orange: #FFF5EE;
            --dark: #1A1A1A;
            --gray: #666666;
            --light-gray: #F8F9FA;
            --border-color: #EAEAEA;
            --container-width: 1200px;
            --transition: all 0.3s ease;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--dark);
            background-color: #FFFFFF;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Common layout elements */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

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

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

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

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--gray);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 6px;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF !important;
            border: 1px solid var(--primary);
        }

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

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

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

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

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

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

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

        .logo-area span {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 5px 10px;
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        /* Hero (首屏，无图片) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, #FFF5EE 0%, #FFEAE0 100%);
            position: relative;
            overflow: hidden;
            border-bottom: none;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,85,0,0.1) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-block;
            background-color: rgba(255,85,0,0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 25px;
            border: 1px solid rgba(255,85,0,0.2);
        }

        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 25px;
            font-weight: 800;
        }

        .hero-content h1 span {
            color: var(--primary);
        }

        .hero-content p {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 40px;
            line-height: 1.8;
        }

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

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

        .stat-card {
            background-color: rgba(255,255,255,0.8);
            border: 1px solid rgba(255,85,0,0.15);
            padding: 25px 20px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(5px);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(255,85,0,0.08);
            border-color: var(--primary);
        }

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

        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 500;
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--gray);
            margin-bottom: 20px;
            font-size: 1rem;
            line-height: 1.8;
        }

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

        .about-feat-item {
            background-color: var(--light-gray);
            padding: 15px;
            border-left: 4px solid var(--primary);
            border-radius: 0 8px 8px 0;
        }

        .about-feat-item h4 {
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .about-feat-item p {
            font-size: 0.85rem;
            color: var(--gray);
            margin: 0;
        }

        .about-visual {
            background: linear-gradient(135deg, #FFEFE5 0%, #FFFDFB 100%);
            border: 2px dashed var(--primary);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
        }

        .about-visual h4 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .about-visual ul {
            list-style: none;
            text-align: left;
            display: inline-block;
        }

        .about-visual ul li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 20px;
            font-size: 0.95rem;
        }

        .about-visual ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 全平台AIGC服务 & 聚合模型 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 35px 25px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .service-card p {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .service-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            background-color: var(--light-orange);
            color: var(--primary);
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 一站式AIGC制作 & 全行业解决方案 */
        .tab-section {
            background-color: var(--light-gray);
        }

        .tabs-header {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 10px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .tab-pane {
            display: none;
        }

        .tab-pane.active {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .tab-pane h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .tab-pane ul {
            list-style: none;
            margin-bottom: 30px;
        }

        .tab-pane ul li {
            padding: 8px 0;
            position: relative;
            padding-left: 25px;
            font-size: 0.95rem;
        }

        .tab-pane ul li::before {
            content: '●';
            color: var(--primary);
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }

        .tab-pane-img {
            background-color: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.04);
            border: 1px solid var(--border-color);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 25px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .solution-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255,85,0,0.05);
        }

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

        .solution-card p {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 全国服务网络 */
        .network-section {
            background-color: #FFFFFF;
        }

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

        .network-visual {
            background-color: var(--light-orange);
            border-radius: 16px;
            padding: 40px;
            position: relative;
            min-height: 350px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border: 1px solid rgba(255,85,0,0.1);
        }

        .network-node {
            background-color: #FFFFFF;
            border: 1px solid var(--primary);
            padding: 10px 15px;
            border-radius: 30px;
            position: absolute;
            font-size: 0.85rem;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        .node-1 { top: 20%; left: 15%; }
        .node-2 { top: 45%; left: 40%; border-width: 2px; } /* 嘉兴总部 */
        .node-3 { top: 70%; left: 25%; }
        .node-4 { top: 30%; right: 15%; }
        .node-5 { top: 60%; right: 20%; }

        /* 标准化AIGC流程 & 技术标准 */
        .process-flow {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin: 40px 0;
            flex-wrap: wrap;
            gap: 20px;
        }

        .process-flow::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .process-step {
            flex: 1;
            min-width: 150px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 50px;
            height: 50px;
            background-color: #FFFFFF;
            border: 3px solid var(--primary);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 15px;
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .process-step:hover .step-num {
            background-color: var(--primary);
            color: #FFFFFF;
        }

        .step-title {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .step-desc {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* 案例中心 (带有图片) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.06);
        }

        .case-img-wrap {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #EEE;
        }

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

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

        .case-body {
            padding: 20px;
        }

        .case-category {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 5px;
        }

        .case-body h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .case-body p {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 对比评测 */
        .evaluation-section {
            background-color: var(--light-gray);
        }

        .eval-summary {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            background-color: #FFFFFF;
            border: 2px solid var(--primary);
            border-radius: 16px;
            padding: 30px;
            max-width: 800px;
            margin: 0 auto 50px;
        }

        .eval-score {
            text-align: center;
        }

        .score-num {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-total {
            font-size: 1.1rem;
            color: var(--gray);
        }

        .eval-stars {
            color: #FFCC00;
            font-size: 1.8rem;
            margin-top: 5px;
        }

        .eval-desc h4 {
            font-size: 1.4rem;
            margin-bottom: 8px;
        }

        .eval-desc p {
            font-size: 0.95rem;
            color: var(--gray);
        }

        .compare-table-wrap {
            overflow-x: auto;
            background-color: #FFFFFF;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

        .compare-table th {
            background-color: #FFF5EE;
            color: var(--dark);
            font-weight: 700;
        }

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

        .compare-table td.highlight-cell {
            background-color: rgba(255,85,0,0.02);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token比价参考 & 价格参考 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .price-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 35px 25px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .price-card.featured {
            border: 2px solid var(--primary);
            transform: scale(1.03);
            box-shadow: 0 10px 30px rgba(255,85,0,0.1);
        }

        .price-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .price-card h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 20px 0;
        }

        .price-num span {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 400;
        }

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

        .price-features li {
            padding: 8px 0;
            font-size: 0.85rem;
            border-bottom: 1px dashed var(--border-color);
            padding-left: 20px;
            position: relative;
        }

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

        /* 培训业务 */
        .training-section {
            background-color: var(--light-orange);
            border-bottom: none;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background-color: #FFFFFF;
            border: 1px solid rgba(255,85,0,0.15);
            border-radius: 8px;
            padding: 20px 15px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(255,85,0,0.08);
            border-color: var(--primary);
        }

        .training-card h4 {
            font-size: 0.95rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .training-card p {
            font-size: 0.75rem;
            color: var(--gray);
        }

        /* 智能需求匹配与表单 */
        .match-section {
            background-color: #FFFFFF;
        }

        .match-container {
            max-width: 800px;
            margin: 0 auto;
            background-color: var(--light-gray);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.95rem;
            background-color: #FFFFFF;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255,85,0,0.1);
        }

        /* 常见问题 FAQ (手风琴组件) & 常见问题自助排查 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 15px;
            margin-bottom: 15px;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            transition: var(--transition);
        }

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

        .faq-answer {
            color: var(--gray);
            font-size: 0.9rem;
            padding-top: 5px;
            display: none;
            line-height: 1.7;
        }

        .faq-answer.show {
            display: block;
        }

        .troubleshoot-box {
            background-color: var(--light-orange);
            border: 1px solid rgba(255,85,0,0.2);
            padding: 25px;
            border-radius: 12px;
            margin-top: 30px;
        }

        .troubleshoot-box h4 {
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* AI术语百科 & 行业资讯 */
        .wiki-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin: 30px 0;
        }

        .wiki-tag {
            background-color: var(--light-gray);
            color: var(--dark);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .wiki-tag:hover {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .blog-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
        }

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

        .blog-date {
            font-size: 0.8rem;
            color: var(--gray);
            margin-bottom: 10px;
        }

        .blog-card h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .blog-card h4 a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }

        .blog-card h4 a:hover {
            color: var(--primary);
        }

        .blog-card p {
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 15px;
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

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

        .comment-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(255,85,0,0.05);
        }

        .comment-text {
            font-style: italic;
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 20px;
            position: relative;
        }

        .comment-text::before {
            content: '“';
            font-size: 3rem;
            color: rgba(255,85,0,0.15);
            position: absolute;
            top: -20px;
            left: -15px;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .user-info h5 {
            font-size: 0.95rem;
            color: var(--dark);
        }

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

        /* 友情链接 */
        .friendly-links {
            background-color: var(--light-gray);
            padding: 30px 0;
            border-top: 1px solid var(--border-color);
            text-align: center;
        }

        .friendly-links h5 {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 15px;
        }

        .friendly-links-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }

        .friendly-links-container a {
            color: var(--gray);
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        /* Footer */
        footer {
            background-color: var(--dark);
            color: #FFFFFF;
            padding: 70px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-logo-area h4 {
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .footer-logo-area p {
            color: #A0A0A0;
            font-size: 0.85rem;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .footer-links h5, .footer-contact h5 {
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-links h5::after, .footer-contact h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

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

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

        .footer-links ul li a {
            color: #A0A0A0;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .footer-links ul li a:hover {
            color: var(--primary);
        }

        .footer-contact p {
            color: #A0A0A0;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 15px;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 90px;
            height: 90px;
            border-radius: 4px;
            background-color: #FFFFFF;
            padding: 4px;
        }

        .qr-item span {
            display: block;
            font-size: 0.75rem;
            color: #A0A0A0;
            margin-top: 5px;
        }

        .footer-bottom {
            border-top: 1px solid #2A2A2A;
            padding-top: 30px;
            text-align: center;
            font-size: 0.8rem;
            color: #888888;
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(255,85,0,0.3);
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.2rem;
            position: relative;
            text-decoration: none;
        }

        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.05);
        }

        .float-qr-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-qr-pop img {
            width: 120px;
            height: 120px;
            margin-bottom: 5px;
        }

        .float-qr-pop span {
            font-size: 0.75rem;
            color: var(--dark);
            display: block;
        }

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

        /* 适配响应式样式 */
        @media (max-width: 992px) {
            .hero-content h1 { font-size: 2.3rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .about-grid { grid-template-columns: 1fr; }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .tab-pane { grid-template-columns: 1fr; }
            .solution-grid { grid-template-columns: repeat(2, 1fr); }
            .network-grid { grid-template-columns: 1fr; }
            .cases-grid { grid-template-columns: repeat(2, 1fr); }
            .pricing-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
            .faq-grid { grid-template-columns: 1fr; }
            .blog-grid { grid-template-columns: repeat(2, 1fr); }
            .comments-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .nav-menu { display: none; }
            .mobile-toggle { display: block; }
        }

        @media (max-width: 576px) {
            .hero-content h1 { font-size: 1.8rem; }
            .hero-btns { flex-direction: column; gap: 10px; }
            .stats-grid { grid-template-columns: 1fr; }
            .service-grid { grid-template-columns: 1fr; }
            .solution-grid { grid-template-columns: 1fr; }
            .cases-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: repeat(2, 1fr); }
            .blog-grid { grid-template-columns: 1fr; }
            .process-flow { flex-direction: column; }
            .process-step { border-left: 2px solid var(--border-color); padding-left: 20px; text-align: left; }
            .process-flow::before { display: none; }
            .step-num { margin: 0 0 10px 0; }
        }