:root {
            --primary: #6366f1;
            --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #a855f7 50%, #ec4899 100%);
            --secondary: #a855f7;
            --dark: #0f172a;
            --light-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #334155;
            --text-dark: #0f172a;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --container-width: 1200px;
        }

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

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

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

        section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--text-dark);
            margin-bottom: 15px;
            font-weight: 800;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

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

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--text-dark);
            border: 2px solid var(--border-color);
        }

        .btn-secondary:hover {
            background: var(--light-bg);
            border-color: var(--text-muted);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
        }

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

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

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 8px;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-main);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
        }

        .nav-menu a:hover {
            color: var(--primary);
        }

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* Hero首屏 - 纯文字渐变科技感，无图片 */
        .hero-section {
            background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08) 0%, rgba(168, 85, 247, 0.08) 30%, rgba(99, 102, 241, 0.05) 70%, #ffffff 100%);
            padding: 120px 0 80px;
            text-align: center;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 25px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 25px;
            font-weight: 900;
        }

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

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 关于我们 */
        .about-section {
            background-color: #ffffff;
        }

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

        .about-text h3 {
            font-size: 1.8rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .about-img-container {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }

        .about-img-container img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        /* AIGC 服务 & 支持平台标签云 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 60px;
        }

        .service-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s;
        }

        .service-card:hover {
            box-shadow: 0 15px 30px rgba(99, 102, 241, 0.1);
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .tag-cloud-wrapper {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
        }

        .tag-cloud-title {
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 25px;
            font-size: 1.2rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .tag-item {
            padding: 6px 14px;
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-main);
            transition: all 0.3s;
        }

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

        /* 一站式制作场景 */
        .scene-section {
            background-color: #ffffff;
        }

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

        .scene-card {
            background: var(--light-bg);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

        .scene-card:hover {
            background: #ffffff;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            transform: translateY(-3px);
        }

        .scene-card h4 {
            font-size: 1.15rem;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .scene-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 行业解决方案与全国服务网络 */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .solution-box {
            background: #ffffff;
            border-radius: 20px;
            padding: 35px;
            border: 1px solid var(--border-color);
        }

        .solution-list {
            list-style: none;
            margin-top: 20px;
        }

        .solution-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
        }

        .solution-list li:last-child {
            border-bottom: none;
        }

        .solution-list span.title {
            font-weight: 600;
            color: var(--text-dark);
        }

        /* 时间线 / 标准化流程 */
        .process-timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: var(--border-color);
        }

        .timeline-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-gradient);
            border: 4px solid #ffffff;
            top: 10px;
        }

        .timeline-content {
            width: 45%;
            background: #ffffff;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
        }

        .timeline-content h4 {
            color: var(--text-dark);
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            transition: all 0.3s;
        }

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

        .case-img-box {
            height: 200px;
            background: #e2e8f0;
            overflow: hidden;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            color: var(--text-dark);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--light-bg);
            border-radius: 4px;
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            margin-top: 10px;
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            background: #ffffff;
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            overflow-x: auto;
        }

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

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

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

        .comparison-table tr:hover {
            background-color: rgba(99, 102, 241, 0.02);
        }

        .rating-badge {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, #fef08a 0%, #fde047 100%);
            color: #854d0e;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* 需求匹配与 Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .token-list-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .token-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .token-item:last-child {
            border-bottom: none;
        }

        .token-name {
            font-weight: 600;
            color: var(--text-dark);
        }

        .token-price {
            color: #10b981;
            font-weight: 700;
        }

        /* 培训中心 */
        .training-section {
            background-color: #ffffff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--light-bg);
            border-radius: 16px;
            padding: 20px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            background: #ffffff;
            border-color: var(--secondary);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(168, 85, 247, 0.1);
        }

        .training-card h4 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

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

        /* 用户评论 */
        .comment-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .comment-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

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

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

        .user-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .comment-text {
            font-size: 0.9rem;
            color: var(--text-main);
            line-height: 1.7;
        }

        /* 帮助中心 & FAQ折叠面板 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
        }

        .help-guide {
            background: #ffffff;
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .guide-item {
            margin-bottom: 20px;
        }

        .guide-item h4 {
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-header {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-header::after {
            content: '+';
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

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

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

        .faq-content p {
            padding: 18px 24px;
            font-size: 0.9rem;
            color: var(--text-main);
            border-top: 1px solid var(--border-color);
        }

        /* 行业资讯 / 知识库 / AI术语百科 */
        .knowledge-section {
            background-color: #ffffff;
        }

        .knowledge-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .article-card {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-decoration: none;
            transition: all 0.3s;
        }

        .article-card:hover {
            background: #ffffff;
            border-color: var(--primary);
            transform: translateX(5px);
        }

        .article-title {
            font-weight: 600;
            color: var(--text-dark);
        }

        .article-card span.link-btn {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 700;
        }

        .encyclopedia-box {
            background: var(--light-bg);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .encyclopedia-box h4 {
            margin-bottom: 20px;
            color: var(--text-dark);
        }

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

        .term-item strong {
            color: var(--text-dark);
            font-size: 0.9rem;
        }

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

        /* 提交需求表单 & 联系我们 & 加盟代理 */
        .contact-section {
            background-color: var(--light-bg);
        }

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

        .form-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--light-bg);
            color: var(--text-dark);
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        .contact-info-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-block {
            margin-bottom: 25px;
        }

        .info-block h4 {
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .qr-code-box {
            margin-top: 15px;
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .qr-code-box img {
            width: 110px;
            height: 110px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 5px;
            background: #ffffff;
        }

        .qr-text {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .agent-banner {
            background: var(--primary-gradient);
            border-radius: 20px;
            padding: 40px;
            color: #ffffff;
            margin-bottom: 40px;
            text-align: center;
        }

        .agent-banner h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .agent-banner p {
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 20px;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #cbd5e1;
            padding: 60px 0 20px;
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
            border-bottom: 1px solid #334155;
            padding-bottom: 40px;
        }

        .footer-about img {
            height: 35px;
            margin-bottom: 15px;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

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

        .footer-links ul li {
            margin-bottom: 8px;
        }

        .footer-links ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links ul li a:hover {
            color: #ffffff;
        }

        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }

        .friendship-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }

        .friendship-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #64748b;
        }

        .footer-bottom a {
            color: #cbd5e1;
            text-decoration: none;
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            color: var(--primary);
            font-size: 1.2rem;
            border: 1px solid var(--border-color);
        }

        .float-btn:hover {
            background: var(--primary-gradient);
            color: #ffffff;
        }

        .float-qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 140px;
        }

        .float-qr-popover img {
            width: 110px;
            height: 110px;
            display: block;
            margin-bottom: 6px;
        }

        .float-qr-popover span {
            font-size: 0.75rem;
            color: var(--text-dark);
            display: block;
        }

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

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .scene-grid, .case-grid, .comment-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .about-grid, .solution-grid, .token-grid, .help-grid, .knowledge-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .timeline-item {
                flex-direction: column !important;
                margin-bottom: 30px;
            }
            .timeline-content {
                width: 100%;
                margin-top: 15px;
            }
            .process-timeline::before {
                left: 20px;
            }
            .timeline-dot {
                left: 20px;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .service-grid, .scene-grid, .case-grid, .comment-grid, .training-grid {
                grid-template-columns: 1fr;
            }
        }