:root {
            --primary-gradient: linear-gradient(135deg, #FF5E62 0%, #FF9966 50%, #4facfe 100%);
            --rainbow-1: #FF5E62;
            --rainbow-2: #FF9966;
            --rainbow-3: #4facfe;
            --rainbow-4: #00f2fe;
            --rainbow-5: #f093fb;
            --rainbow-6: #f5576c;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --border-color: #e2e8f0;
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1);
            --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

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

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

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

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(90deg, var(--rainbow-1), var(--rainbow-3));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

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

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

        .nav-link:hover {
            color: var(--text-dark);
            background-color: #f1f5f9;
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: #ffffff !important;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: bold;
            box-shadow: 0 4px 10px rgba(255, 94, 98, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(255, 94, 98, 0.3);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* 首屏 Hero Section (严禁出现任何图片) */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 94, 98, 0.05) 0%, rgba(79, 172, 254, 0.05) 90%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50vw;
            height: 50vw;
            background: radial-gradient(circle, rgba(255, 153, 102, 0.15) 0%, transparent 60%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 40vw;
            height: 40vw;
            background: radial-gradient(circle, rgba(79, 172, 254, 0.15) 0%, transparent 60%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: linear-gradient(90deg, rgba(255, 94, 98, 0.1), rgba(79, 172, 254, 0.1));
            color: var(--rainbow-1);
            font-weight: 600;
            font-size: 13px;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 94, 98, 0.2);
        }

        h1.hero-title {
            font-size: 48px;
            font-weight: 850;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        h1.hero-title span {
            background: linear-gradient(45deg, var(--rainbow-1), var(--rainbow-2), var(--rainbow-3), var(--rainbow-5));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #ffffff;
            box-shadow: 0 4px 20px rgba(255, 94, 98, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 94, 98, 0.4);
        }

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--text-dark);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            transform: translateY(-3px);
            background-color: #f8fafc;
            box-shadow: var(--shadow-md);
        }

        /* 平台特色标签云 */
        .model-tags {
            margin-top: 50px;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .tag {
            padding: 5px 12px;
            background-color: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 12px;
            color: var(--text-muted);
            transition: all 0.2s;
        }

        .tag:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-1px);
        }

        /* Section 通用结构 */
        section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            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: 60px;
            height: 4px;
            border-radius: 2px;
            background: var(--primary-gradient);
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .stats-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            transition: transform 0.3s;
        }

        .stats-card:hover {
            transform: translateY(-5px);
        }

        .stats-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--rainbow-1);
            margin-bottom: 5px;
        }

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

        /* 关于我们 & 介绍 */
        .about-section {
            background-color: var(--bg-white);
        }

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

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

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

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

        .highlight-item {
            padding: 15px;
            background-color: var(--bg-light);
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--rainbow-3);
        }

        .highlight-item h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-dark);
        }

        .highlight-item p {
            font-size: 13px;
            margin-bottom: 0;
        }

        /* 服务与制作卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(255, 94, 98, 0.1), rgba(79, 172, 254, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

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

        .service-features {
            list-style: none;
            font-size: 13px;
            color: var(--text-muted);
        }

        .service-features li {
            margin-bottom: 6px;
            padding-left: 18px;
            position: relative;
        }

        .service-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--rainbow-2);
            font-weight: bold;
        }

        /* 自动化流程 Steps */
        .process-flow {
            background-color: var(--bg-white);
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step {
            text-align: center;
            position: relative;
        }

        .flow-step:not(:last-child)::after {
            content: '➔';
            position: absolute;
            top: 25px;
            right: -20px;
            font-size: 20px;
            color: var(--border-color);
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #ffffff;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            box-shadow: 0 4px 10px rgba(255, 94, 98, 0.2);
        }

        .step-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .step-desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .comparison-section {
            background-color: var(--bg-white);
        }

        .rating-hero {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            background: linear-gradient(90deg, rgba(255, 94, 98, 0.05), rgba(79, 172, 254, 0.05));
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }

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

        .score-box .num {
            font-size: 56px;
            font-weight: 900;
            color: var(--rainbow-1);
            line-height: 1;
        }

        .score-box .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 5px;
        }

        .rating-stars {
            font-size: 24px;
            color: #fbbf24;
            margin-bottom: 5px;
        }

        .rating-text {
            font-size: 18px;
            font-weight: 700;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: var(--bg-white);
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        th {
            background-color: #f8fafc;
            font-weight: 700;
            color: var(--text-dark);
        }

        tr:last-child td {
            border-bottom: none;
        }

        .badge-pro {
            background: var(--primary-gradient);
            color: #ffffff;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: bold;
        }

        /* Token 比价 */
        .token-price-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .price-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .price-card.popular {
            border: 2px solid var(--rainbow-3);
        }

        .price-card.popular::after {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--rainbow-3);
            color: #fff;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: bold;
        }

        .model-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .price-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--rainbow-1);
            margin-bottom: 10px;
        }

        .price-value span {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
        }

        /* 案例中心 (此处包含要求注入的图片) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            font-size: 11px;
            color: var(--rainbow-3);
            font-weight: bold;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 培训中心 */
        .training-section {
            background-color: var(--bg-white);
        }

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

        .training-card {
            background-color: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border-color);
        }

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

        .training-list li {
            padding: 12px;
            background-color: var(--bg-white);
            margin-bottom: 10px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            border-left: 4px solid var(--rainbow-5);
        }

        .training-list li span {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: normal;
        }

        /* 常见问题 FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            user-select: none;
        }

        .faq-icon {
            transition: transform 0.3s;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fafbfc;
        }

        .faq-content {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid var(--border-color);
        }

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

        .faq-item.active .faq-body {
            max-height: 500px;
        }

        /* 自助排查与百科 */
        .trouble-section {
            background-color: var(--bg-white);
        }

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

        .trouble-list, .glossary-list {
            list-style: none;
        }

        .trouble-list li, .glossary-list li {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .trouble-list li h5, .glossary-list li h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .trouble-list li p, .glossary-list li p {
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .review-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

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

        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 16px;
        }

        .review-meta h5 {
            font-size: 15px;
            font-weight: 700;
        }

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

        .review-body {
            font-size: 13.5px;
            color: var(--text-muted);
        }

        /* 文章列表 */
        .articles-section {
            background-color: var(--bg-white);
        }

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

        .article-item {
            background-color: var(--bg-light);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .article-item .article-link {
            font-size: 13px;
            color: var(--rainbow-3);
            font-weight: bold;
            margin-top: 10px;
            display: inline-block;
        }

        /* 联系我们 & 需求收集表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-panel {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .contact-detail {
            margin-bottom: 24px;
        }

        .contact-detail h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .form-panel {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--rainbow-3);
        }

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

        /* 侧边悬停客服 */
        .fixed-kefu {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .kefu-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            position: relative;
        }

        .kefu-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 15px;
            box-shadow: var(--shadow-lg);
            display: none;
            width: 180px;
            text-align: center;
        }

        .kefu-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .kefu-popover p {
            font-size: 11px;
            color: var(--text-dark);
            font-weight: bold;
        }

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

        .back-to-top {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--bg-white);
            color: var(--text-dark);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            display: none;
        }

        /* 页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: 1px solid #1e293b;
        }

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

        .footer-about h4 {
            color: #ffffff;
            font-size: 18px;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: #ffffff;
            font-size: 15px;
            margin-bottom: 15px;
        }

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

        .footer-links ul li {
            margin-bottom: 8px;
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 12px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links a {
            color: #64748b;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .services-grid, .case-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .flow-step:not(:last-child)::after {
                display: none;
            }
            .token-price-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: var(--shadow-md);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            h1.hero-title {
                font-size: 32px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .about-grid, .trouble-grid, .contact-grid, .training-grid, .articles-list {
                grid-template-columns: 1fr;
            }

            .services-grid, .case-grid, .reviews-grid, .token-price-list {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }