:root {
            --primary-gradient: linear-gradient(135deg, #ff758c 0%, #ff7eb3 50%, #70a1ff 100%);
            --secondary-gradient: linear-gradient(135deg, #2ed573 0%, #1e90ff 100%);
            --rainbow-gradient: linear-gradient(90deg, #ff7675, #6c5ce7, #74b9ff, #55efc4, #ffeaa7, #ff7675);
            --bg-light: #fafbfc;
            --text-dark: #2d3436;
            --text-muted: #636e72;
            --white: #ffffff;
            --border-color: rgba(0, 0, 0, 0.08);
            --shadow-sm: 0 4px 6px rgba(0,0,0,0.03);
            --shadow-md: 0 10px 20px rgba(0,0,0,0.05);
            --shadow-lg: 0 20px 40px rgba(0,0,0,0.08);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(255, 117, 140, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(112, 161, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(46, 213, 115, 0.03) 0%, transparent 60%);
            background-attachment: fixed;
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 100px 0;
            position: relative;
        }

        /* 斑斓彩调标题样式 */
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

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

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-area img {
            height: 45px;
            width: auto;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
            align-items: center;
        }

        .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-dark);
            position: relative;
            padding: 8px 0;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            transition: width 0.3s ease;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: var(--white);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 1. Hero 首屏 (无图片) */
        .hero {
            padding-top: 180px;
            padding-bottom: 120px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 斑斓炫光背景装饰 (CSS实现，无图片) */
        .hero-glow-1 {
            position: absolute;
            top: -10%;
            left: -10%;
            width: 40%;
            height: 60%;
            background: radial-gradient(circle, rgba(255,117,140,0.15) 0%, transparent 70%);
            filter: blur(50px);
            z-index: 1;
        }

        .hero-glow-2 {
            position: absolute;
            bottom: 10%;
            right: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(circle, rgba(112,161,255,0.15) 0%, transparent 70%);
            filter: blur(60px);
            z-index: 1;
        }

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

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(255, 117, 140, 0.1);
            color: #ff758c;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 117, 140, 0.2);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p.lead {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 750px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-primary {
            background: var(--primary-gradient);
            color: var(--white);
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 10px 25px rgba(255, 117, 140, 0.35);
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 117, 140, 0.5);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--text-dark);
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background: #f8f9fa;
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        /* 3. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--white);
            padding: 30px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            text-align: center;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(112, 161, 255, 0.3);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
            display: inline-block;
        }

        .stat-label {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 2. 关于我们 */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

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

        .about-features {
            list-style: none;
            margin-top: 30px;
        }

        .about-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .about-features li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: rgba(46, 213, 115, 0.1);
            color: #2ed573;
            border-radius: 50%;
            font-size: 0.8rem;
        }

        .about-card-box {
            background: var(--white);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .about-card-box::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: var(--primary-gradient);
            z-index: -1;
            border-radius: calc(var(--radius-lg) + 2px);
            opacity: 0.3;
        }

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

        .service-card {
            background: var(--white);
            padding: 40px 30px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 117, 140, 0.3);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 平台标签云 */
        .tag-cloud-wrapper {
            margin-top: 60px;
            background: var(--white);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }

        .tag-cloud-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-dark);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .tag-item {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            color: var(--text-dark);
            transition: all 0.3s ease;
        }

        .tag-item:hover {
            background: var(--primary-gradient);
            color: var(--white);
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 4. 一站式AIGC制作 & 5. 全行业解决方案 */
        .solutions-layout {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .solution-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .solution-body {
            padding: 30px;
        }

        .solution-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(112, 161, 255, 0.1);
            color: #1e90ff;
            margin-bottom: 16px;
        }

        .solution-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .solution-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 6. 全国服务网络 */
        .network-section {
            background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(112, 161, 255, 0.05) 100%);
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .network-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }

        .network-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .network-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 7. 标准化AIGC流程 & 8. 技术标准 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .process-step {
            background: var(--white);
            padding: 40px 30px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 24px;
            box-shadow: 0 5px 15px rgba(255, 117, 140, 0.3);
        }

        .process-step h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 9. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .case-img-wrapper {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #eee;
            position: relative;
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-img-wrapper img {
            transform: scale(1.08);
        }

        .case-body {
            padding: 24px;
        }

        .case-body h4 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 10. 对比评测 */
        .compare-section {
            background: linear-gradient(135deg, rgba(255, 117, 140, 0.03) 0%, rgba(112, 161, 255, 0.03) 100%);
        }

        .rating-box {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            margin-bottom: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .rating-score {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .rating-num {
            font-size: 4rem;
            font-weight: 950;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .rating-details h4 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .rating-details p {
            color: var(--text-muted);
        }

        .stars {
            color: #ffeaa7;
            font-size: 1.8rem;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #f1c40f, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .compare-table-wrapper {
            width: 100%;
            overflow-x: auto;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

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

        .compare-table th, .compare-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }

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

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

        .compare-table td.highlight {
            font-weight: 700;
            color: #ff758c;
            background-color: rgba(255, 117, 140, 0.02);
        }

        /* 11. 智能需求匹配 (表单) & 20. 联系我们 & 21. 加盟代理 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: start;
        }

        .form-card {
            background: var(--white);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
        }

        .form-card h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .form-card p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: #fafbfc;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: #ff758c;
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(255, 117, 140, 0.15);
        }

        .btn-submit {
            width: 100%;
            background: var(--primary-gradient);
            color: var(--white);
            border: none;
            padding: 14px;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(255, 117, 140, 0.2);
            transition: all 0.3s ease;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 117, 140, 0.3);
        }

        .info-card {
            background: var(--white);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

        .info-block {
            margin-bottom: 30px;
        }

        .info-block:last-child {
            margin-bottom: 0;
        }

        .info-block h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .info-block p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 8px;
        }

        .qr-code-wrapper {
            margin-top: 20px;
            text-align: center;
        }

        .qr-code-wrapper img {
            max-width: 150px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px;
            background: var(--white);
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .token-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all 0.3s;
        }

        .token-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .token-card h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .token-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ff758c;
            margin-bottom: 8px;
        }

        .token-unit {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .token-features {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
        }

        .token-features li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(0,0,0,0.03);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 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: var(--white);
            padding: 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all 0.3s ease;
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 117, 140, 0.3);
        }

        .training-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background-color 0.3s;
        }

        .faq-question:hover {
            background-color: #fafbfc;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 20px;
            max-height: 500px;
        }

        .faq-icon::before {
            content: "+";
            font-size: 1.4rem;
            font-weight: 300;
        }

        .faq-item.active .faq-icon::before {
            content: "−";
        }

        /* 19. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .news-body {
            padding: 24px;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-body h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-body h4 a:hover {
            color: #ff758c;
        }

        .news-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 客户评论卡片 (6条) */
        .reviews-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .review-card::before {
            content: "“";
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 5rem;
            color: rgba(255, 117, 140, 0.08);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .review-content {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .reviewer-details h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        .reviewer-details span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 友情链接 */
        .friend-links {
            border-top: 1px solid var(--border-color);
            padding: 30px 0;
            background: var(--white);
        }

        .friend-links-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .friend-links-wrapper a {
            color: var(--text-muted);
        }

        .friend-links-wrapper a:hover {
            color: #ff758c;
        }

        /* 页脚 */
        footer {
            background-color: #1e272e;
            color: #f1f2f6;
            padding: 60px 0 30px;
            font-size: 0.95rem;
        }

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

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--white);
        }

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

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

        .footer-col ul li a {
            color: #a4b0be;
        }

        .footer-col ul li a:hover {
            color: var(--white);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
            color: #a4b0be;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--white);
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
        }

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

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .float-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            width: 260px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            color: var(--text-dark);
        }

        .float-btn:hover .float-popover {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        /* 移动端响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .case-grid, .news-grid, .reviews-slider {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-layout, .solutions-layout, .contact-layout {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .stats-grid, .services-grid, .case-grid, .news-grid, .reviews-slider, .training-grid, .process-flow, .footer-grid, .network-grid {
                grid-template-columns: 1fr;
            }
        }