/* 基础变量与配色 - 镭射幻彩风格（浅色基底） */
        :root {
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --text-light: #ffffff;
            
            /* 镭射幻彩渐变 */
            --gradient-holo: linear-gradient(135deg, #ff007f 0%, #7f00ff 50%, #00f0ff 100%);
            --gradient-soft: linear-gradient(135deg, rgba(255, 0, 127, 0.08) 0%, rgba(127, 0, 255, 0.08) 50%, rgba(0, 240, 255, 0.08) 100%);
            --gradient-btn: linear-gradient(90deg, #ff007f, #7f00ff, #00f0ff);
            --border-holo: linear-gradient(135deg, rgba(255, 0, 127, 0.3) 0%, rgba(127, 0, 255, 0.3) 50%, rgba(0, 240, 255, 0.3) 100%);
            
            --border-radius: 16px;
            --box-shadow: 0 10px 30px rgba(127, 0, 255, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* 基础重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

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

        /* 统一容器宽度 */
        .ai-container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(127, 0, 255, 0.1);
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

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

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--gradient-holo);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--text-main);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-holo);
            transition: var(--transition);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .ai-page-home-link {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .ai-page-home-link:hover {
            opacity: 0.8;
        }

        .btn-nav-primary {
            text-decoration: none;
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--gradient-btn);
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(127, 0, 255, 0.2);
            transition: var(--transition);
        }

        .btn-nav-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(127, 0, 255, 0.35);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-main);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* 移动端导航展开状态 */
        @media (max-width: 1024px) {
            .nav-menu {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--bg-card);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                border-bottom: 1px solid rgba(127, 0, 255, 0.1);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
            }

            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .menu-toggle {
                display: block;
            }

            .menu-toggle.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }

            .menu-toggle.active span:nth-child(2) {
                opacity: 0;
            }

            .menu-toggle.active span:nth-child(3) {
                transform: rotate(-45deg) translate(5px, -5px);
            }
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 4px 12px;
            border-radius: 50px;
            background: var(--gradient-soft);
            color: #7f00ff;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
        }

        /* 1. Hero首屏 - 严禁出现图片，炫彩渐变与卡片排版 */
        .hero-section {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.12), transparent 40%),
                        radial-gradient(circle at 20% 80%, rgba(255, 0, 127, 0.1), transparent 40%);
            text-align: center;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 950;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-main);
        }

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

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            text-decoration: none;
            padding: 16px 40px;
            border-radius: 50px;
            background: var(--gradient-btn);
            color: var(--text-light);
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 8px 25px rgba(127, 0, 255, 0.3);
            transition: var(--transition);
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(127, 0, 255, 0.45);
        }

        .btn-hero-secondary {
            text-decoration: none;
            padding: 16px 40px;
            border-radius: 50px;
            background: var(--bg-card);
            color: var(--text-main);
            font-size: 1.1rem;
            font-weight: 700;
            border: 2px solid rgba(127, 0, 255, 0.2);
            transition: var(--transition);
        }

        .btn-hero-secondary:hover {
            border-color: rgba(127, 0, 255, 0.6);
            background: rgba(127, 0, 255, 0.02);
            transform: translateY(-3px);
        }

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

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(127, 0, 255, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(127, 0, 255, 0.2);
        }

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

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.25rem;
            }
        }

        @media (max-width: 600px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 2. 关于我们 */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            margin-bottom: 16px;
            color: var(--text-main);
        }

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

        .about-features {
            list-style: none;
        }

        .about-features li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            color: var(--text-main);
        }

        .about-features li::before {
            content: "✓";
            color: #ff007f;
            font-weight: 900;
        }

        .about-visual {
            background: var(--gradient-soft);
            border-radius: var(--border-radius);
            padding: 40px;
            border: 2px dashed rgba(127, 0, 255, 0.2);
            text-align: center;
        }

        .about-visual h4 {
            font-size: 1.5rem;
            background: var(--gradient-holo);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .about-content {
                grid-template-columns: 1fr;
            }
        }

        /* 3. 全平台AIGC服务 */
        .models-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 16px;
            margin-top: 32px;
        }

        .model-tag {
            background: var(--bg-card);
            border: 1px solid rgba(127, 0, 255, 0.1);
            border-radius: 50px;
            padding: 12px 20px;
            text-align: center;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-main);
            transition: var(--transition);
            cursor: default;
        }

        .model-tag:hover {
            background: var(--gradient-soft);
            border-color: rgba(127, 0, 255, 0.3);
            transform: scale(1.05);
        }

        /* 4. 一站式AIGC制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 32px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(127, 0, 255, 0.05);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(127, 0, 255, 0.3);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--gradient-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }

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

        @media (max-width: 900px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 5. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 32px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(127, 0, 255, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .solution-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .solution-list {
            list-style: none;
            margin-bottom: 24px;
        }

        .solution-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .solutions-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 6. 全国服务网络 */
        .network-section {
            background: var(--gradient-soft);
            border-radius: 24px;
            padding: 60px 40px;
        }

        .network-wrapper {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .network-cities {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .city-badge {
            background: var(--bg-card);
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 8px;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        /* 7. 标准化AIGC流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-holo);
            color: var(--text-light);
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .process-step h4 {
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

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

        @media (max-width: 768px) {
            .process-flow {
                grid-template-columns: 1fr;
            }
        }

        /* 8. 技术标准 */
        .standards-table-wrapper {
            overflow-x: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }

        .standards-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            text-align: left;
        }

        .standards-table th, .standards-table td {
            padding: 18px 24px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .standards-table th {
            background: var(--gradient-soft);
            color: var(--text-main);
            font-weight: 700;
        }

        /* 9. 客户案例中心 - 图片展示 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(127, 0, 255, 0.05);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
            border-color: rgba(127, 0, 255, 0.3);
        }

        .case-image-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #eaeaea;
        }

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

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

        .case-info {
            padding: 24px;
        }

        .case-info h4 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

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

        @media (max-width: 900px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .cases-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 10. 对比评测 */
        .eval-section {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.02) 0%, rgba(0, 240, 255, 0.02) 100%);
            border-radius: 24px;
            padding: 40px;
        }

        .eval-summary {
            display: flex;
            align-items: center;
            justify-content: space-around;
            background: var(--bg-card);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            background: var(--gradient-holo);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .star-rating {
            color: #ffb800;
            font-size: 1.5rem;
        }

        .eval-table-wrapper {
            overflow-x: auto;
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
        }

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border: 1px solid rgba(127, 0, 255, 0.1);
            text-align: center;
        }

        .eval-table th {
            background: rgba(127, 0, 255, 0.05);
        }

        .eval-highlight {
            background: var(--gradient-soft);
            font-weight: 700;
        }

        /* 11. 智能需求匹配 - 表单 */
        .matching-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .matching-info h3 {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        .matching-form {
            background: var(--bg-card);
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(127, 0, 255, 0.1);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid rgba(0,0,0,0.1);
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: #7f00ff;
            box-shadow: 0 0 0 3px rgba(127, 0, 255, 0.15);
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            border-radius: 8px;
            background: var(--gradient-btn);
            color: var(--text-light);
            font-size: 1.1rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-submit:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .matching-wrapper {
                grid-template-columns: 1fr;
            }
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(0, 0, 0, 0.05);
            text-align: center;
        }

        .token-model-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .token-price {
            font-size: 1.75rem;
            font-weight: 800;
            color: #ff007f;
            margin-bottom: 8px;
        }

        .token-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .token-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .token-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 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(--bg-card);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(127, 0, 255, 0.05);
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: rgba(127, 0, 255, 0.3);
        }

        .training-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        .training-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-main);
        }

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

        @media (max-width: 1024px) {
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .training-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 15. 帮助中心 & 16. FAQ折叠面板 & 17. 常见问题自助排查 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 8px;
            margin-bottom: 12px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(0,0,0,0.05);
            overflow: hidden;
        }

        .faq-trigger {
            width: 100%;
            padding: 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .faq-trigger::after {
            content: "+";
            font-size: 1.5rem;
            transition: var(--transition);
        }

        .faq-item.active .faq-trigger::after {
            transform: rotate(45deg);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-content p {
            padding: 0 20px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 18. AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .glossary-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 24px;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .glossary-term {
            font-weight: 700;
            color: #7f00ff;
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .glossary-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 19. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(0, 0, 0, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h4 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

        .news-link {
            text-decoration: none;
            color: #ff007f;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 21. 加盟代理 */
        .agent-section {
            background: var(--gradient-soft);
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
        }

        .agent-box {
            max-width: 800px;
            margin: 0 auto;
        }

        .agent-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin: 40px 0;
        }

        .agent-item {
            background: var(--bg-card);
            padding: 24px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }

        @media (max-width: 768px) {
            .agent-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .review-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 32px;
            box-shadow: var(--box-shadow);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

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

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

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .author-info h5 {
            font-size: 0.95rem;
            color: var(--text-main);
        }

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

        @media (max-width: 900px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 20. 联系我们 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .contact-details {
            list-style: none;
        }

        .contact-details li {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .contact-qr-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .qr-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 20px;
            text-align: center;
            box-shadow: var(--box-shadow);
        }

        .qr-card img {
            max-width: 120px;
            margin-bottom: 10px;
        }

        @media (max-width: 768px) {
            .contact-wrapper {
                grid-template-columns: 1fr;
            }
        }

        /* 页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: var(--text-light);
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--text-light);
        }

        .friend-links {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            margin-top: 24px;
        }

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            margin-right: 16px;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .friend-links a:hover {
            color: var(--text-light);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 浮动客服入口 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--gradient-btn);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 25px rgba(127, 0, 255, 0.35);
            cursor: pointer;
            z-index: 999;
            color: var(--text-light);
            font-weight: 800;
            font-size: 0.8rem;
            text-align: center;
            line-height: 1.2;
            transition: var(--transition);
        }

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

        .floating-kefu-panel {
            position: fixed;
            bottom: 100px;
            right: 30px;
            background: var(--bg-card);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 20px;
            border: 1px solid rgba(127, 0, 255, 0.1);
            display: none;
            z-index: 999;
            text-align: center;
        }

        .floating-kefu-panel.active {
            display: block;
        }

        .floating-kefu-panel img {
            width: 140px;
            margin-bottom: 8px;
        }