/* 变量及全局重置 */
        :root {
            --primary: #0f4c81; /* 经典宝蓝 */
            --primary-light: #1e64a1;
            --primary-dark: #0a3356;
            --accent: #00d2ff; /* 明艳青蓝 */
            --accent-orange: #f97316; /* 橙色动作点缀 */
            --text-main: #0f172a;
            --text-muted: #475569;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-color: #e2e8f0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

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

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

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

        ul {
            list-style: none;
        }

        /* 统一容器规范 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(15, 76, 129, 0.05);
        }

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

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

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

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-item {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-item:hover, .nav-item.active {
            color: var(--primary);
            background-color: rgba(15, 76, 129, 0.05);
        }

        .nav-cta {
            background-color: var(--primary);
            color: #ffffff;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 6px rgba(15, 76, 129, 0.15);
        }

        .nav-cta:hover {
            background-color: var(--primary-light);
            transform: translateY(-1px);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
            z-index: 1001;
        }

        .mobile-menu-btn span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 首屏 Hero 区域 (绝对无图) */
        .hero-section {
            background: linear-gradient(135deg, #0b2545 0%, #134074 50%, #0f4c81 100%);
            color: #ffffff;
            padding: 160px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 80% 20%, rgba(0, 210, 255, 0.15) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-title-h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            color: #ffffff;
            animation: fadeInUp 0.8s ease-out;
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 800px;
            margin: 0 auto 40px;
            line-height: 1.6;
            animation: fadeInUp 0.8s ease-out 0.2s both;
        }

        .hero-ctas {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            animation: fadeInUp 0.8s ease-out 0.4s both;
        }

        .btn-main {
            background-color: var(--accent-orange);
            color: #ffffff;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
            border: 2px solid var(--accent-orange);
        }

        .btn-main:hover {
            background-color: #ea580c;
            border-color: #ea580c;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: transparent;
            color: #ffffff;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            border: 2px solid rgba(255, 255, 255, 0.6);
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        /* 核心数据卡片 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
            animation: fadeInUp 0.8s ease-out 0.6s both;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            padding: 20px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.12);
        }

        .stat-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

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

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

        .section-dark-blue {
            background-color: #0b2545;
            color: #ffffff;
        }

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

        .section-tag {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 10px;
            display: inline-block;
        }

        .section-dark-blue .section-tag {
            color: var(--accent);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 15px;
        }

        .section-dark-blue .section-title {
            color: #ffffff;
        }

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

        .section-dark-blue .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .about-text h3 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

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

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

        .about-feat-title {
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--text-main);
        }

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

        .about-img-container {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

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

        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 30px rgba(15, 76, 129, 0.08);
            border-color: rgba(15, 76, 129, 0.2);
        }

        .service-icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .service-list {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .service-list li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-list li::before {
            content: '✓';
            color: var(--accent);
            font-weight: bold;
        }

        /* 模型聚合标签 */
        .model-tags-container {
            margin-top: 50px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
        }

        .model-tags-title {
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .model-tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .model-tag {
            background-color: var(--bg-light);
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        /* 一站式AIGC制作与标准流程 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .process-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            position: relative;
            z-index: 2;
        }

        .process-num {
            position: absolute;
            top: -20px;
            left: 20px;
            background: var(--accent-orange);
            color: #ffffff;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 800;
            box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
        }

        .process-title {
            font-size: 18px;
            font-weight: 700;
            margin: 15px 0 10px;
        }

        .process-desc {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .eval-box {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            margin-bottom: 50px;
        }

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

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

        .eval-score {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .eval-stars {
            color: #f59e0b; /* 橙黄色星星 */
            font-size: 24px;
        }

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

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

        .eval-table th, .eval-table td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
        }

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

        .eval-table tr:hover {
            background: rgba(15, 76, 129, 0.02);
        }

        .highlight-row {
            background-color: rgba(0, 210, 255, 0.05);
            font-weight: 600;
        }

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

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

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .case-img-box {
            height: 200px;
            overflow: hidden;
            background: var(--bg-light);
        }

        .case-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-content {
            padding: 20px;
        }

        .case-tag {
            font-size: 12px;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-desc {
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .price-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            position: relative;
        }

        .price-card.popular {
            border-color: var(--accent);
            box-shadow: 0 8px 20px rgba(0, 210, 255, 0.15);
        }

        .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 20px;
        }

        .price-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .price-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .price-features {
            margin-bottom: 30px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .price-features li {
            margin-bottom: 10px;
        }

        /* 培训版块 */
        .train-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .train-list {
            margin-top: 25px;
        }

        .train-item {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }

        .train-icon {
            background: rgba(15, 76, 129, 0.1);
            color: var(--primary);
            width: 45px;
            height: 45px;
            border-radius: 8px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        .train-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .train-info p {
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .review-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }

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

        .user-info h4 {
            font-size: 15px;
            font-weight: 700;
        }

        .user-info p {
            font-size: 12px;
            color: var(--primary);
        }

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

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
        }

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

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-link:hover {
            color: var(--accent);
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-trigger {
            width: 100%;
            padding: 20px;
            text-align: left;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-icon-state::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--bg-light);
        }

        .faq-content p {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        /* 需求匹配与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-box {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

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

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.1);
        }

        .form-btn {
            background: var(--primary);
            color: #ffffff;
            border: none;
            padding: 14px 28px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }

        .form-btn:hover {
            background: var(--primary-light);
        }

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

        .contact-info-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

        .contact-info-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .qrcode-container {
            display: flex;
            gap: 20px;
            align-items: center;
            margin-top: 15px;
        }

        .qrcode-img-wrapper {
            width: 100px;
            height: 100px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff;
        }

        .qrcode-img-wrapper img {
            width: 90px;
            height: 90px;
            object-fit: contain;
        }

        /* 售后与服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .network-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 25px;
            border-radius: 8px;
            text-align: center;
        }

        .network-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--accent);
        }

        /* 智能需求自助排查与术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .wiki-block {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

        .wiki-block h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary);
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        .wiki-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border-color);
        }

        .wiki-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .wiki-term {
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 5px;
        }

        .wiki-def {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 页脚 */
        footer {
            background-color: #0b2545;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            font-size: 14px;
            border-top: 2px solid var(--primary);
        }

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

        .footer-brand h4 {
            color: #ffffff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .footer-links-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .footer-links-list a {
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-links-list a:hover {
            color: var(--accent);
        }

        .friend-links {
            margin-top: 15px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .friend-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 8px;
            border-radius: 4px;
        }

        .friend-links a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.1);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .ai-page-home-link {
            color: var(--accent);
            font-weight: 700;
        }

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            background: var(--primary);
            color: #ffffff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            transition: var(--transition);
        }

        .floating-kefu:hover {
            transform: scale(1.1);
            background: var(--accent-orange);
        }

        .kefu-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            width: 200px;
            text-align: center;
            color: var(--text-main);
        }

        .kefu-popover img {
            width: 120px;
            height: 120px;
            margin: 0 auto 10px;
        }

        .floating-kefu:hover .kefu-popover {
            display: block;
        }

        /* 动画关键帧 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .case-grid, .price-grid, .review-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .train-grid, .contact-grid, .wiki-grid {
                grid-template-columns: 1fr;
            }
            .about-img-container {
                order: -1;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .hero-title-h1 {
                font-size: 28px;
            }
            .hero-ctas {
                flex-direction: column;
                align-items: center;
                gap: 15px;
            }
            .btn-main, .btn-secondary {
                width: 100%;
                max-width: 300px;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .services-grid, .case-grid, .price-grid, .review-grid, .news-grid, .process-steps, .network-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }