/* 霓虹亮彩风格基础定义 */
        :root {
            --bg-dark: #070913;
            --bg-card: rgba(15, 22, 42, 0.7);
            --neon-blue: #00f0ff;
            --neon-pink: #ff007f;
            --neon-purple: #9d4edd;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --border-neon: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
            --container-w: 1200px;
        }

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

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

        /* 霓虹网格背景装饰 */
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: -1;
            pointer-events: none;
        }

        /* 全局容器 */
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 渐变标题 */
        .gradient-text {
            background: linear-gradient(135deg, var(--neon-blue), #ffffff, var(--neon-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        /* 通用按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: none;
        }

        .btn-neon {
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            color: #ffffff;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }

        .btn-neon:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
        }

        .btn-outline {
            background: transparent;
            color: var(--neon-blue);
            border: 1px solid var(--neon-blue);
            box-shadow: 0 0 5px rgba(0, 240, 255, 0.1);
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            color: #ffffff;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(7, 9, 19, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            transition: all 0.3s ease;
        }

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

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: #fff;
        }

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

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
            position: relative;
        }

        .nav-menu a:hover, .nav-menu a.active {
            color: var(--neon-blue);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .nav-toggle span {
            width: 25px;
            height: 2px;
            background-color: var(--neon-blue);
            transition: 0.3s;
        }

        /* 主体布局 */
        main {
            margin-top: 70px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

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

        .section-header h2 {
            font-size: 32px;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }

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

        /* Hero 区域：无图，纯CSS渐变氛围与排版 */
        #home {
            min-height: calc(100vh - 70px);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: radial-gradient(circle at center, rgba(157, 78, 221, 0.15) 0%, transparent 70%);
            padding: 100px 0;
        }

        .hero-content {
            max-width: 850px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 50px;
            color: var(--neon-blue);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 25px;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
        }

        .hero-content h1 {
            font-size: 48px;
            line-height: 1.25;
            margin-bottom: 25px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .metric-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--border-neon);
        }

        .metric-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--neon-blue);
            margin-bottom: 5px;
        }

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

        /* 关于我们与软件介绍 */
        .about-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }

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

        .features-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .features-list li::before {
            content: '✦';
            position: absolute;
            left: 0;
            color: var(--neon-pink);
        }

        .about-highlight {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(157, 78, 221, 0.05));
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
        }

        .about-highlight h4 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--neon-pink);
        }

        /* AIGC 服务体系 */
        .tag-cloud-wrapper {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
        }

        .tag-cloud-title {
            font-size: 20px;
            margin-bottom: 25px;
            color: var(--neon-blue);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .tag-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            color: var(--text-main);
            transition: all 0.3s;
        }

        .tag-item:hover {
            border-color: var(--neon-blue);
            background: rgba(0, 240, 255, 0.05);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
            transform: scale(1.05);
        }

        /* AIGC 制作流程与服务全流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .process-step {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            position: relative;
            transition: transform 0.3s;
        }

        .process-step:hover {
            transform: translateY(-5px);
            border-color: var(--neon-pink);
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 20px auto;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.3);
        }

        .step-title {
            font-size: 18px;
            margin-bottom: 10px;
            color: #fff;
        }

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

        /* 行业解决方案与技术标准 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 30px;
            transition: all 0.3s;
        }

        .solution-card:hover {
            border-color: var(--neon-blue);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
        }

        .solution-icon {
            font-size: 32px;
            margin-bottom: 20px;
        }

        .solution-title {
            font-size: 20px;
            margin-bottom: 15px;
            color: #fff;
        }

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

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .case-img-container {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background: #1e293b;
            position: relative;
        }

        .ai-page-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .case-card:hover .ai-page-image {
            transform: scale(1.05);
        }

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid rgba(255, 0, 127, 0.2);
            color: var(--neon-pink);
            font-size: 12px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-title {
            font-size: 18px;
            margin-bottom: 8px;
            color: #fff;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px;
        }

        .rating-summary {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .rating-num {
            font-size: 64px;
            font-weight: 800;
            color: var(--neon-blue);
            line-height: 1;
        }

        .rating-star {
            color: #f59e0b;
            font-size: 24px;
            margin-top: 5px;
        }

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

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .compare-table th {
            color: var(--neon-blue);
            font-weight: 600;
        }

        .compare-table tr:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .highlight-td {
            color: var(--neon-pink);
            font-weight: 600;
        }

        /* Token 比价 */
        .token-calc-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

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

        .token-info-item {
            background: rgba(255, 255, 255, 0.02);
            border-left: 4px solid var(--neon-blue);
            padding: 15px 20px;
            border-radius: 0 12px 12px 0;
        }

        /* 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 30px;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--neon-purple);
            box-shadow: 0 0 20px rgba(157, 78, 221, 0.2);
        }

        .training-badge {
            display: inline-block;
            background: rgba(157, 78, 221, 0.15);
            color: var(--neon-purple);
            border: 1px solid rgba(157, 78, 221, 0.3);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            margin-bottom: 15px;
        }

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

        .review-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

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

        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
        }

        .user-info h5 {
            font-size: 15px;
            color: #fff;
        }

        .user-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 需求匹配与联系我们（表单） */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-item {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 12px;
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .contact-icon {
            font-size: 24px;
            color: var(--neon-blue);
        }

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

        .qr-box img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 2px solid var(--neon-blue);
        }

        .contact-form {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 40px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group-full {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 14px;
            color: var(--text-main);
        }

        .form-group input, .form-group select, .form-group textarea {
            background: rgba(7, 9, 19, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 12px 16px;
            border-radius: 8px;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--neon-blue);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
        }

        /* 帮助中心与FAQ */
        .faq-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            overflow: hidden;
        }

        .faq-header {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.01);
            font-weight: 600;
            transition: background-color 0.3s;
        }

        .faq-header:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-icon {
            transition: transform 0.3s;
            color: var(--neon-blue);
        }

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

        .faq-item.active .faq-content {
            padding: 20px;
            max-height: 300px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* 排查与百科 */
        .trouble-glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 40px;
        }

        .tg-box {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 30px;
        }

        .tg-box h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--neon-pink);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 10px;
        }

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

        .tg-item-title {
            font-weight: bold;
            color: var(--text-main);
            margin-bottom: 4px;
        }

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

        /* 行业资讯 / 知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .article-card:hover {
            border-color: var(--neon-blue);
            transform: translateY(-3px);
        }

        .article-card h4 {
            font-size: 16px;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-card a {
            color: var(--neon-blue);
            text-decoration: none;
            font-size: 14px;
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 侧边快捷电梯导航 */
        .elevator-nav {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 90;
            background: rgba(7, 9, 19, 0.9);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 20px;
            padding: 15px 10px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
        }

        .elevator-nav a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 12px;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.3s;
        }

        .elevator-nav a:hover, .elevator-nav a.active {
            background: var(--neon-blue);
            color: #000;
            box-shadow: 0 0 10px var(--neon-blue);
        }

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 20px;
            z-index: 99;
            background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
            color: white;
            border-radius: 50px;
            padding: 12px 24px;
            box-shadow: 0 5px 20px rgba(255, 0, 127, 0.4);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: bold;
            text-decoration: none;
        }

        .floating-kefu:hover {
            box-shadow: 0 5px 30px rgba(255, 0, 127, 0.7);
            transform: translateY(-2px);
        }

        /* 友情链接与页脚 */
        footer {
            background: #04050b;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px 0;
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-links-group h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
        }

        .footer-links-group ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-group a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links-group a:hover {
            color: var(--neon-blue);
        }

        .friend-links {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .friend-links-title {
            font-size: 13px;
            margin-bottom: 10px;
        }

        .friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            margin-right: 15px;
            transition: color 0.3s;
            display: inline-block;
        }

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

        .copyright-bar {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid, .cases-grid, .training-grid, .reviews-grid, .articles-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-layout, .faq-wrapper, .trouble-glossary-grid {
                grid-template-columns: 1fr;
            }
            .elevator-nav {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                padding: 20px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.1);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .about-wrapper {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .token-calc-grid {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .metrics-grid, .solutions-grid, .cases-grid, .training-grid, .reviews-grid, .articles-list {
                grid-template-columns: 1fr;
            }
        }