:root {
            --primary-color: #E50914;
            --primary-hover: #B80710;
            --primary-light: #FFF5F5;
            --text-dark: #1F1F1F;
            --text-muted: #666666;
            --bg-light: #FAFAFA;
            --border-color: #EEEEEE;
            --shadow-sm: 0 2px 8px rgba(229, 9, 20, 0.05);
            --shadow-md: 0 8px 24px rgba(229, 9, 20, 0.08);
            --shadow-lg: 0 16px 32px rgba(229, 9, 20, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

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

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
            object-fit: contain;
        }

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

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

        .nav-links a:hover {
            color: var(--primary-color);
            background-color: var(--primary-light);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(229, 9, 20, 0.2);
        }

        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
        }

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

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* 移动端导航面板 */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-color);
            padding: 20px;
            z-index: 999;
            box-shadow: var(--shadow-md);
        }

        .mobile-nav.active {
            display: block;
        }

        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
            list-style: none;
        }

        .mobile-nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 16px;
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid #F5F5F5;
            display: block;
        }

        /* 首屏 Hero - 无图片设计 */
        .hero-section {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #FFF5F5 0%, #FFFDFD 50%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(229,9,20,0.05) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(229,9,20,0.03) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary-color);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(229, 9, 20, 0.15);
        }

        .hero-title {
            font-size: 40px;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 24px;
            font-weight: 800;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .hero-buttons .btn {
            padding: 14px 32px;
            font-size: 16px;
        }

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

        .stat-card {
            background: #FFFFFF;
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(229, 9, 20, 0.2);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 8px;
        }

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

        /* 通用区块样式 */
        .section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-bg {
            background-color: var(--bg-light);
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

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

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background-color: var(--primary-color);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 关于我们与平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .about-text {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 30px;
        }

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

        .about-feat-item {
            display: flex;
            gap: 12px;
        }

        .about-feat-icon {
            color: var(--primary-color);
            font-size: 20px;
            font-weight: bold;
        }

        .about-feat-title {
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 4px;
        }

        .about-feat-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

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

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

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(229, 9, 20, 0.2);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .service-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            padding: 4px 10px;
            background: #F5F5F5;
            border-radius: 4px;
            font-size: 12px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .tag:hover {
            background: var(--primary-light);
            color: var(--primary-color);
        }

        /* 一站式AIGC制作展示 */
        .media-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .media-image-wrapper {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid #FFFFFF;
        }

        .ai-page-image {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

        .ai-page-image:hover {
            transform: scale(1.03);
        }

        .media-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .media-step-item {
            display: flex;
            gap: 20px;
        }

        .media-step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-color);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* 全行业解决方案 */
        .solution-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 10px 24px;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 30px;
            cursor: pointer;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .solution-content {
            background: #FFFFFF;
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        /* 全国服务网络 & 加盟代理 */
        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .map-mock {
            background: var(--primary-light);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            border: 1px dashed rgba(229, 9, 20, 0.3);
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 300px;
        }

        .agent-card {
            background: linear-gradient(135deg, #FFF5F5 0%, #FFFDFD 100%);
            border: 2px solid rgba(229, 9, 20, 0.1);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .agent-title {
            font-size: 24px;
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 15px;
        }

        /* 标准化AIGC流程 & 技术标准 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            margin-bottom: 40px;
            position: relative;
            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;
        }

        .timeline-dot {
            width: 16px;
            height: 16px;
            background: var(--primary-color);
            border: 4px solid #FFFFFF;
            border-radius: 50%;
            position: absolute;
            top: 5px;
            z-index: 2;
        }

        .timeline-item:nth-child(odd) .timeline-dot {
            right: -8px;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
        }

        .timeline-content {
            background: #FFFFFF;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        /* 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }

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

        .case-img-container {
            width: 100%;
            overflow: hidden;
            background: #F9F9F9;
        }

        .case-img-container img {
            width: 100%;
            height: auto;
            display: block;
        }

        .case-info {
            padding: 20px;
        }

        /* 对比评测 */
        .comparison-wrapper {
            background: #FFFFFF;
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

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

        .score-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .score-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary-color);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

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

        .comparison-table th {
            font-weight: 700;
            background-color: var(--bg-light);
        }

        .comparison-table tr:hover {
            background-color: var(--primary-light);
        }

        .badge-pro {
            background-color: var(--primary-color);
            color: #FFFFFF;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
        }

        /* 职业技术培训 */
        .training-cards {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

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

        .train-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-5px);
            box-shadow: var(--shadow-sm);
        }

        .train-icon {
            font-size: 32px;
            margin-bottom: 15px;
            display: inline-block;
        }

        /* 智能需求匹配与表单 */
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .form-wrapper {
            background: #FFFFFF;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
        }

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

        .form-label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(229, 9, 20, 0.1);
        }

        /* Token 比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

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

        .token-price {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            margin: 10px 0;
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: #FFFFFF;
            overflow: hidden;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 20px;
            border-top-color: var(--border-color);
        }

        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: bold;
        }

        .faq-item.active .faq-icon::after {
            content: '-';
        }

        /* AI术语百科 & 自助排查 */
        .wiki-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

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

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

        .review-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

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

        /* 最新文章 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary-color);
        }

        .news-title {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-link {
            font-size: 12px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        /* 页脚与友情链接 */
        footer {
            background-color: #1A080A;
            color: #FFFFFF;
            padding: 60px 0 20px;
            border-top: 4px solid var(--primary-color);
        }

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

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary-color);
        }

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

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

        .footer-col ul li a {
            color: #CCCCCC;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-qrcode {
            max-width: 120px;
            height: auto;
            border-radius: 8px;
            margin-top: 10px;
        }

        .friend-links {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 13px;
        }

        .friend-links a {
            color: #999999;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .copyright-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #666666;
        }

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            bottom: 40px;
            right: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-color);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }

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

        .float-tooltip {
            position: absolute;
            right: 60px;
            background: #FFFFFF;
            color: var(--text-dark);
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 12px;
            white-space: nowrap;
            box-shadow: var(--shadow-md);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            .training-cards {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links, .nav-actions {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 28px;
            }
            .about-layout, .media-layout, .network-grid, .cases-grid, .form-layout, .wiki-layout {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 45px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-dot {
                left: 12px !important;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .training-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .token-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }