/* 样式重置与全局基础变量 (彩虹多彩风) */
        :root {
            --primary-grad: linear-gradient(135deg, #FF5E62, #FF9966, #FFD97D, #6BCB77, #4D96FF, #9B5DE5);
            --bg-color: #F8FAFC;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --card-bg: #FFFFFF;
            --border-color: #E2E8F0;
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            
            --rainbow-red: #FF5E62;
            --rainbow-orange: #FF9966;
            --rainbow-green: #6BCB77;
            --rainbow-blue: #4D96FF;
            --rainbow-purple: #9B5DE5;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-smooth);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        ul, ol {
            list-style: none;
        }

        /* 全局通用布局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .section-padding {
            padding: 80px 0;
        }

        /* 顶部通栏渐变装饰线 */
        .top-gradient-bar {
            height: 6px;
            background: var(--primary-grad);
            width: 100%;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1001;
        }

        /* 统一标题模块 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: #0F172A;
            letter-spacing: -0.5px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .rainbow-underline {
            width: 60px;
            height: 4px;
            background: var(--primary-grad);
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* 顶部导航 */
        header.site-header {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 6px;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: 70px;
            transition: var(--transition-smooth);
        }

        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

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

        .ai-page-logo {
            height: 38px;
            object-fit: contain;
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
        }

        .nav-item {
            font-size: 0.95rem;
            font-weight: 500;
            color: #334155;
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-item:hover {
            color: var(--rainbow-blue);
            background: #F1F5F9;
        }

        .nav-btn {
            background: var(--primary-grad);
            color: #FFFFFF;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(255, 94, 98, 0.3);
            border: none;
            cursor: pointer;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(77, 150, 255, 0.4);
        }

        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-toggle span {
            width: 24px;
            height: 2px;
            background-color: var(--text-main);
            transition: var(--transition-smooth);
        }

        /* PC/移动端过渡 */
        @media (max-width: 1024px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 76px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 76px);
                background: #FFFFFF;
                flex-direction: column;
                padding: 40px 24px;
                gap: 24px;
                transition: var(--transition-smooth);
                box-shadow: 0 10px 30px rgba(0,0,0,0.1);
                overflow-y: auto;
            }
            .nav-links.active {
                left: 0;
            }
        }

        /* 1. Hero 首屏 - 纯色/渐变/无图科技感 */
        .hero-section {
            padding: 160px 0 100px 0;
            background: radial-gradient(circle at 10% 20%, rgba(255, 94, 98, 0.05) 0%, rgba(77, 150, 255, 0.05) 90%);
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(255,94,98,0.1), rgba(77,150,255,0.1));
            border: 1px solid rgba(77,150,255,0.2);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--rainbow-blue);
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 3.2rem;
            line-height: 1.2;
            font-weight: 900;
            color: #0F172A;
            max-width: 900px;
            margin: 0 auto 24px auto;
        }

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

        .hero-description {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 40px auto;
        }

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

        .btn-primary {
            background: var(--primary-grad);
            color: #FFFFFF;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 10px 25px rgba(255, 94, 98, 0.25);
            transition: var(--transition-smooth);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(77, 150, 255, 0.35);
        }

        .btn-secondary {
            background: #FFFFFF;
            color: var(--text-main);
            border: 2px solid var(--border-color);
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            transition: var(--transition-smooth);
        }

        .btn-secondary:hover {
            background: #F8FAFC;
            border-color: var(--rainbow-blue);
            color: var(--rainbow-blue);
        }

        /* 2. 关于我们 */
        .about-section {
            background: #FFFFFF;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
        }

        @media (max-width: 992px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #0F172A;
        }

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

        .about-highlight-box {
            border-left: 4px solid var(--rainbow-purple);
            padding-left: 20px;
            margin: 30px 0;
            font-style: italic;
            color: #334155;
            background: #F8FAFC;
            padding: 20px;
            border-radius: 0 12px 12px 0;
        }

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

        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        .stat-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-grad);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--rainbow-blue);
            margin-bottom: 8px;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* 4. 全平台 AIGC 服务 */
        .services-section {
            background: #F8FAFC;
        }

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

        @media (max-width: 992px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .service-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            transition: var(--transition-smooth);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
            border-color: var(--rainbow-green);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: #FFFFFF;
            font-weight: 700;
        }

        .service-icon.video { background: var(--rainbow-red); }
        .service-icon.image { background: var(--rainbow-orange); }
        .service-icon.api { background: var(--rainbow-blue); }
        .service-icon.music { background: var(--rainbow-green); }
        .service-icon.workflow { background: var(--rainbow-purple); }

        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 16px;
            color: #0F172A;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .model-list-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .model-tag {
            background: #F1F5F9;
            color: #475569;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 5. 一站式 AIGC 制作 (产品场景) */
        .production-section {
            background: #FFFFFF;
        }

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

        @media (max-width: 992px) {
            .prod-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .prod-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            transition: var(--transition-smooth);
            position: relative;
        }

        .prod-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--primary-grad);
            opacity: 0;
            transition: var(--transition-smooth);
        }

        .prod-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
        }

        .prod-card:hover::before {
            opacity: 1;
        }

        .prod-badge {
            background: linear-gradient(135deg, rgba(77,150,255,0.1), rgba(155,93,229,0.1));
            color: var(--rainbow-purple);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 20px;
        }

        .prod-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: #0F172A;
        }

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

        /* 6. 全行业解决方案 */
        .solutions-section {
            background: #F8FAFC;
        }

        .solutions-tab-container {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .sol-tab-headers {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .sol-tab-btn {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .sol-tab-btn.active, .sol-tab-btn:hover {
            background: var(--primary-grad);
            color: #FFFFFF;
            border-color: transparent;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .sol-tab-panels {
            background: #FFFFFF;
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .sol-panel {
            display: none;
        }

        .sol-panel.active {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .sol-panel-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #0F172A;
        }

        .sol-panel-text p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .sol-features-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sol-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }

        .sol-feature-icon {
            color: var(--rainbow-green);
            font-weight: bold;
        }

        /* 7. 全国服务网络 */
        .network-section {
            background: #FFFFFF;
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 50px;
            align-items: center;
        }

        @media (max-width: 992px) {
            .network-grid {
                grid-template-columns: 1fr;
            }
        }

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

        @media (max-width: 576px) {
            .network-list {
                grid-template-columns: 1fr;
            }
        }

        .network-item {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
        }

        .network-item h4 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: #0F172A;
        }

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

        /* 8. 标准化 AIGC 流程 (步骤/时间线) */
        .workflow-section {
            background: #F8FAFC;
        }

        .workflow-timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .workflow-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background: var(--primary-grad);
            transform: translateX(-50%);
        }

        @media (max-width: 768px) {
            .workflow-timeline::before {
                left: 20px;
            }
        }

        .timeline-item {
            position: relative;
            margin-bottom: 60px;
            width: 50%;
            padding: 0 40px;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        @media (max-width: 768px) {
            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
        }

        .timeline-badge {
            position: absolute;
            top: 0;
            width: 40px;
            height: 40px;
            background: var(--primary-grad);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: bold;
            box-shadow: 0 0 10px rgba(0,0,0,0.15);
            z-index: 1;
        }

        .timeline-item:nth-child(odd) .timeline-badge {
            right: -20px;
        }

        .timeline-item:nth-child(even) .timeline-badge {
            left: -20px;
        }

        @media (max-width: 768px) {
            .timeline-badge {
                left: 2px !important;
            }
        }

        .timeline-content {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .timeline-content h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: #0F172A;
        }

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

        /* 9. 技术标准 */
        .tech-standards {
            background: #FFFFFF;
            border-top: 1px solid var(--border-color);
        }

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

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

        .standard-card {
            background: #F8FAFC;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .standard-card h3 {
            color: var(--rainbow-purple);
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

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

        /* 10. 客户案例中心 */
        .cases-section {
            background: #F8FAFC;
        }

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

        @media (max-width: 992px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .case-card {
            background: #FFFFFF;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.06);
        }

        .case-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

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

        .case-body {
            padding: 24px;
        }

        .case-tag {
            color: var(--rainbow-blue);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }

        .case-body h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: #0F172A;
        }

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

        /* 11. 对比评测板块 */
        .eval-section {
            background: #FFFFFF;
        }

        .eval-container {
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            background: linear-gradient(to right bottom, #FFFFFF, #F8FAFC);
            box-shadow: 0 20px 45px rgba(0,0,0,0.03);
        }

        .eval-summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 30px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .eval-score {
            font-size: 3.5rem;
            font-weight: 900;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .eval-stars {
            color: #FBBF24;
            font-size: 1.8rem;
        }

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

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }

        .eval-table th {
            background: #F1F5F9;
            font-weight: 700;
            color: #1E293B;
        }

        .eval-table td.strong-td {
            font-weight: 700;
            color: var(--rainbow-blue);
        }

        /* 12. 智能需求匹配与表单 */
        .match-section {
            background: #F8FAFC;
        }

        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
        }

        @media (max-width: 992px) {
            .match-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .match-form-box {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.03);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #334155;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: #F8FAFC;
            color: var(--text-main);
            font-size: 1rem;
            transition: var(--transition-smooth);
        }

        .form-control:focus {
            border-color: var(--rainbow-blue);
            background: #FFFFFF;
            outline: none;
            box-shadow: 0 0 0 3px rgba(77, 150, 255, 0.15);
        }

        .form-submit-btn {
            width: 100%;
            background: var(--primary-grad);
            color: #FFFFFF;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-smooth);
            margin-top: 10px;
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 94, 98, 0.3);
        }

        /* 13. Token 比价参考 (表格/卡片) */
        .token-pricing-section {
            background: #FFFFFF;
        }

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

        @media (max-width: 992px) {
            .price-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .price-grid {
                grid-template-columns: 1fr;
            }
        }

        .price-card {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
        }

        .price-card.featured {
            border: 2px solid var(--rainbow-blue);
            background: #FFFFFF;
            position: relative;
        }

        .price-card-label {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-grad);
            color: #FFFFFF;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .price-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .price-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-main);
            margin: 15px 0;
        }

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

        /* 14. 培训系列 (职业技术培训 / 人工智能培训) */
        .training-section {
            background: #F8FAFC;
        }

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

        @media (max-width: 992px) {
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .train-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            transition: var(--transition-smooth);
        }

        .train-card:hover {
            transform: translateY(-5px);
            border-color: var(--rainbow-purple);
        }

        .train-card-badge {
            background: rgba(155, 93, 229, 0.1);
            color: var(--rainbow-purple);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 16px;
        }

        .train-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #0F172A;
        }

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

        .train-meta {
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 15. 客户评论卡片 */
        .reviews-section {
            background: #FFFFFF;
        }

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

        @media (max-width: 992px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .review-card {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            color: var(--text-main);
            font-size: 0.95rem;
            margin-bottom: 24px;
            font-style: italic;
        }

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

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
        }

        .review-info h4 {
            font-size: 0.95rem;
            color: #0F172A;
        }

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

        /* 16. FAQ & 自助排查 */
        .faq-section {
            background: #F8FAFC;
        }

        .faq-layout {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: #0F172A;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #FAFAFA;
        }

        .faq-answer-content {
            padding: 0 24px 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s;
            color: var(--rainbow-blue);
        }

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

        /* 自助排查树 */
        .troubleshoot-box {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            margin-top: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .ts-title {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 20px;
            text-align: center;
        }

        .ts-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 576px) {
            .ts-steps {
                grid-template-columns: 1fr;
            }
        }

        .ts-step {
            text-align: center;
            background: #F8FAFC;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--rainbow-green);
        }

        .ts-step h4 {
            margin-bottom: 8px;
        }

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

        /* 17. AI 术语百科 */
        .glossary-section {
            background: #FFFFFF;
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

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

        .glossary-card {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
        }

        .glossary-card h3 {
            font-size: 1.15rem;
            color: var(--rainbow-orange);
            margin-bottom: 10px;
        }

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

        /* 18. 行业资讯 / 知识库 */
        .news-section {
            background: #F8FAFC;
        }

        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .news-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-item-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0F172A;
            margin-bottom: 10px;
        }

        .news-item-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .news-item-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--rainbow-blue);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 19. 加盟代理 & 算力变现 */
        .agent-section {
            background: linear-gradient(135deg, rgba(255, 94, 98, 0.03) 0%, rgba(155, 93, 229, 0.03) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .agent-box {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.02);
        }

        @media (max-width: 992px) {
            .agent-box {
                flex-direction: column;
                text-align: center;
                padding: 40px 24px;
            }
        }

        .agent-text {
            max-width: 600px;
        }

        .agent-text h3 {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        .agent-text p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* 20. 联系我们 */
        .contact-section {
            background: #FFFFFF;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }

        .contact-method-icon {
            width: 48px;
            height: 48px;
            background: rgba(77, 150, 255, 0.1);
            color: var(--rainbow-blue);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .contact-method-text h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        .contact-method-text p {
            color: var(--text-muted);
        }

        .qr-area {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .qr-box {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 12px;
            text-align: center;
            width: 140px;
        }

        .qr-box img {
            width: 108px;
            height: 108px;
            margin: 0 auto 10px auto;
            border-radius: 6px;
        }

        .qr-box span {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 21. 友情链接 & 页脚 */
        footer.site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 60px 0 30px 0;
            border-top: 6px solid;
            border-image: var(--primary-grad) 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 50px;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-logo-desc h3 {
            color: #FFFFFF;
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .footer-logo-desc p {
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col ul a {
            font-size: 0.9rem;
        }

        .footer-col ul a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        /* 友情链接专用区域 */
        .footer-links-row {
            border-top: 1px solid #1E293B;
            padding: 24px 0;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            font-size: 0.85rem;
        }

        .footer-links-row a {
            color: #64748B;
        }

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

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
        }

        /* 悬浮客服面板 */
        .float-service {
            position: fixed;
            right: 24px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50px;
            background: #FFFFFF;
            box-shadow: 0 8px 24px rgba(0,0,0,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-smooth);
            position: relative;
        }

        .float-btn.primary {
            background: var(--primary-grad);
            color: #FFFFFF;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
            border-radius: 4px;
        }

        .float-popover span {
            font-size: 0.8rem;
            color: var(--text-main);
            font-weight: 600;
        }

        .float-btn:hover .float-popover {
            display: block;
        }