:root {
            --primary: #4f46e5;
            --primary-gradient: linear-gradient(135deg, #4f46e5, #06b6d4);
            --secondary-gradient: linear-gradient(135deg, #f43f5e, #fb923c);
            --text-main: #1f2937;
            --text-muted: #4b5563;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-color: #e2e8f0;
            --accent: #06b6d4;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --radius: 12px;
        }

        * {
            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 {
            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: background 0.3s;
        }

        .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: 1.25rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
        }

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

        .nav-btn {
            background: var(--primary-gradient);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: white;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            transition: 0.3s;
        }

        /* 统一的 Section 样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-title h2 {
            font-size: 2.25rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
        }

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

        /* Hero 首屏 - 无图设计，强对比渐变风 */
        .hero-section {
            padding: 150px 0 100px 0;
            background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent), radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.1), transparent), var(--bg-white);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(79, 70, 229, 0.15);
        }

        .hero-title h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            color: #0f172a;
            margin-bottom: 25px;
        }

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

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: white !important;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 25px -5px rgba(79, 70, 229, 0.5);
        }

        .btn-secondary {
            background: var(--bg-white);
            color: var(--text-main);
            border: 2px solid var(--border-color);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
        }

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

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

        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 25px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

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

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            background: var(--secondary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 关于我们 & 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 20px;
        }

        .about-text {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 30px;
        }

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

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .feature-icon-wrapper {
            background: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            padding: 8px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .feature-item h4 {
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 4px;
        }

        .feature-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .about-intro-box {
            background: var(--primary-gradient);
            color: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
        }

        .about-intro-box h4 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .about-intro-box p {
            opacity: 0.9;
            margin-bottom: 25px;
            font-size: 0.95rem;
        }

        .brand-pillars {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .pillar {
            background: rgba(255, 255, 255, 0.15);
            padding: 12px 20px;
            border-radius: 8px;
            font-weight: 600;
            backdrop-filter: blur(5px);
        }

        /* 全平台 AIGC 服务 */
        .service-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: var(--radius);
            padding: 35px 30px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            background: var(--bg-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 50px;
        }

        /* 模型聚合流星雨式排版 */
        .model-marquee-section {
            background: #0f172a;
            color: white;
            padding: 60px 0;
            overflow: hidden;
        }

        .model-marquee-title {
            text-align: center;
            margin-bottom: 30px;
            font-size: 1.5rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.9);
        }

        .marquee-container {
            display: flex;
            gap: 20px;
            width: max-content;
            animation: marquee 25s linear infinite;
        }

        .model-node {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            color: #38bdf8;
            white-space: nowrap;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* 解决方案 & 制作流程 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: var(--radius);
            text-align: center;
            transition: all 0.3s;
        }

        .solution-card:hover {
            background: var(--primary-gradient);
            color: white;
            transform: translateY(-5px);
            border-color: transparent;
        }

        .solution-card:hover h3, .solution-card:hover p {
            color: white;
        }

        .solution-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #0f172a;
        }

        .solution-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* 流程步骤 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

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

        .step-badge {
            width: 50px;
            height: 50px;
            background: var(--primary-gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.25rem;
            margin: 0 auto 20px auto;
            box-shadow: var(--shadow-md);
        }

        .step-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #0f172a;
        }

        .step-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

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

        .case-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

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

        .case-img-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--border-color);
        }

        .case-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

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

        .case-body {
            padding: 24px;
        }

        .case-category {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
        }

        .case-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 对比评测 - 9.9分五星 */
        .comparison-table-wrapper {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            overflow-x: auto;
            margin-bottom: 40px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        th, td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background: #f1f5f9;
            font-weight: 700;
            color: #0f172a;
        }

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

        .comp-highlight {
            background: rgba(6, 182, 212, 0.04);
            font-weight: 600;
            color: var(--primary);
        }

        .star-rating {
            color: #f59e0b;
            font-weight: 700;
        }

        .rating-badge {
            display: inline-block;
            background: var(--secondary-gradient);
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 800;
            font-size: 0.85rem;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .token-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 25px;
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .token-card.hot {
            border: 2px solid var(--primary);
        }

        .token-card.hot::before {
            content: "超值首选";
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--primary-gradient);
            color: white;
            padding: 2px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .token-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: #0f172a;
        }

        .token-price {
            font-size: 1.75rem;
            font-weight: 800;
            color: #10b981;
            margin-bottom: 15px;
        }

        .token-price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .token-features {
            list-style: none;
            font-size: 0.875rem;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .training-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 25px 15px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .training-icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .training-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #0f172a;
        }

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

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

        .review-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .review-user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #0f172a;
        }

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

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

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fafafa;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.25rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

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

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
            border-top: 1px solid var(--border-color);
        }

        /* 需求提交与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

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

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

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

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

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
        }

        .contact-info-wrapper {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: var(--radius);
            margin-bottom: 20px;
        }

        .info-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: #0f172a;
        }

        .info-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .qrcode-box {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }

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

        .qrcode-item img {
            width: 110px;
            height: 110px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 5px;
            background: white;
        }

        .qrcode-item p {
            font-size: 0.75rem;
            margin-top: 5px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 加盟代理 */
        .agent-box {
            background: var(--primary-gradient);
            color: white;
            border-radius: var(--radius);
            padding: 50px;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .agent-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .agent-box p {
            max-width: 700px;
            margin: 0 auto 30px auto;
            opacity: 0.9;
        }

        .agent-btn {
            background: var(--bg-white);
            color: var(--primary);
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 50px;
            display: inline-block;
            box-shadow: var(--shadow-md);
        }

        .agent-btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        /* 资讯与百科 */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: var(--radius);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: #0f172a;
        }

        .news-title:hover {
            color: var(--primary);
        }

        .news-date {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        .encyclopedia-box h3 {
            font-size: 1.25rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
        }

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

        .tag-cloud span {
            background: var(--bg-light);
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            border: 1px solid var(--border-color);
        }

        /* 页脚 & 友情链接 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo h3 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: white;
            font-size: 1rem;
            margin-bottom: 20px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: white;
        }

        .friend-links {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 25px;
            margin-bottom: 25px;
            font-size: 0.85rem;
        }

        .friend-links a {
            color: #94a3b8;
            margin-right: 15px;
            display: inline-block;
        }

        .friend-links a:hover {
            color: white;
        }

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 25px;
            font-size: 0.85rem;
        }

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

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--primary-gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            font-size: 1.25rem;
            position: relative;
        }

        .float-btn:hover .qrcode-pop {
            display: block;
        }

        .qrcode-pop {
            display: none;
            position: absolute;
            bottom: 60px;
            right: 0;
            background: white;
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            text-align: center;
        }

        .qrcode-pop img {
            width: 120px;
            height: 120px;
        }

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .case-grid, .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hero-title h1 {
                font-size: 2.25rem;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .steps-container, .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .token-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .steps-container, .solutions-grid, .service-grid, .case-grid, .review-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .training-grid {
                grid-template-columns: 1fr;
            }
        }