:root {
            --primary: #4f46e5;
            --primary-gradient: linear-gradient(135deg, #ff5e62, #ff9966, #ffd93d, #6bcb77, #4d96ff, #9b51e0);
            --rainbow-1: #ff5e62;
            --rainbow-2: #ff9966;
            --rainbow-3: #6bcb77;
            --rainbow-4: #4d96ff;
            --rainbow-5: #9b51e0;
            --text-dark: #1f2937;
            --text-muted: #4b5563;
            --bg-light: #f9fafb;
            --bg-card: #ffffff;
            --border-color: #e5e7eb;
            --max-width: 1200px;
        }

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s;
        }

        a:hover {
            color: #3730a3;
        }

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

        /* 导航栏 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-color);
        }

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

        .nav-menu a:hover {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3);
            color: #ffffff;
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            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: 2.2rem;
            font-weight: 800;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            margin-top: 15px;
            font-size: 1.1rem;
        }

        /* 首屏 Hero 区域 - 严禁出现图片 */
        .hero-section {
            background: radial-gradient(circle at 10% 20%, rgba(255, 94, 98, 0.05) 0%, rgba(77, 150, 255, 0.05) 90%);
            padding: 120px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(79, 70, 229, 0.2);
        }

        .hero-section h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 25px;
        }

        .hero-rainbow-text {
            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-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #ffffff;
            padding: 14px 35px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            box-shadow: 0 10px 25px rgba(255, 94, 98, 0.25);
            transition: all 0.3s;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 94, 98, 0.35);
            color: #ffffff;
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--text-dark);
            padding: 14px 35px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            transform: translateY(-3px);
            background: var(--bg-light);
            color: var(--text-dark);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
            border-color: var(--rainbow-4);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 10px;
        }

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

        /* 平台介绍 & 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

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

        .highlight-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            font-weight: 500;
        }

        .highlight-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--rainbow-3);
            font-weight: 900;
            font-size: 1.2rem;
        }

        .about-side-box {
            background: #ffffff;
            border-radius: 24px;
            padding: 40px;
            border: 2px solid transparent;
            background-image: linear-gradient(white, white), var(--primary-gradient);
            background-origin: border-box;
            background-clip: content-box, border-box;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
        }

        .about-side-box h4 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            font-weight: 700;
        }

        /* 服务能力卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px 30px;
            border-radius: 20px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
            border-color: transparent;
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

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

        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 15px;
            font-weight: 700;
        }

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

        /* 模型聚合标签云 */
        .tags-wrapper {
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-tag {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.3s;
        }

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

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

        .step-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }

        .step-card h4 {
            margin-bottom: 10px;
            font-size: 1.15rem;
            font-weight: 700;
        }

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

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            background: #ffffff;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

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

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

        th {
            background-color: #f9fafb;
            font-weight: 700;
            color: var(--text-dark);
        }

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

        .badge-score {
            display: inline-block;
            background: linear-gradient(135deg, #ff5e62, #ff9966);
            color: #ffffff;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .star-rating {
            color: #ffd93d;
            font-size: 1.2rem;
        }

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

        .case-card {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08);
        }

        .case-image-wrap {
            position: relative;
            background-color: #eaeaea;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            background: rgba(77, 150, 255, 0.1);
            color: var(--rainbow-4);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

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

        .price-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            position: relative;
            transition: all 0.3s;
        }

        .price-card.popular {
            border: 2px solid transparent;
            background-image: linear-gradient(white, white), var(--primary-gradient);
            background-origin: border-box;
            background-clip: content-box, border-box;
            transform: scale(1.03);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
        }

        .popular-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-gradient);
            color: #ffffff;
            padding: 4px 15px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .price-name {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 25px;
        }

        .price-val span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .price-features li {
            padding: 10px 0;
            border-bottom: 1px solid #f3f4f6;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

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

        .training-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 24px 15px;
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--rainbow-1);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

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

        .training-card h4 {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.4;
        }

        /* 百科 / 资讯 */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .info-block h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .article-list, .wiki-list {
            list-style: none;
        }

        .article-item, .wiki-item {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
        }

        .article-item a, .wiki-item dt {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.95rem;
        }

        .article-item a:hover {
            color: var(--primary);
        }

        .article-date {
            color: var(--text-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

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

        .review-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
            position: relative;
        }

        .review-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .user-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
        }

        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            background: #ffffff;
            user-select: none;
            transition: background 0.3s;
        }

        .faq-header:hover {
            background: #fdfdfd;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s;
        }

        .faq-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 0px solid transparent;
        }

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

        .faq-item.active .faq-content {
            padding: 20px 24px;
            max-height: 300px;
            border-top: 1px solid var(--border-color);
        }

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

        .form-wrap {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary);
        }

        .btn-submit {
            width: 100%;
            background: var(--primary-gradient);
            color: #ffffff;
            padding: 14px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(255, 94, 98, 0.2);
            transition: all 0.3s;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 94, 98, 0.3);
        }

        .contact-info-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .qr-area {
            text-align: center;
            padding: 20px;
            background: var(--bg-light);
            border-radius: 12px;
            border: 1px dashed var(--border-color);
        }

        .qr-area img {
            max-width: 180px;
            height: auto;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .info-detail-item {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .info-detail-item strong {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .info-detail-item span {
            font-size: 1.1rem;
            font-weight: 700;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #111827;
            color: #9ca3af;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

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

        .footer-logo-desc {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .footer-logo-desc .brand-name {
            font-size: 1.5rem;
        }

        .footer-links-col h4 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

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

        .footer-links-col a {
            color: #9ca3af;
        }

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

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

        .friend-links-wrap a {
            background: #1f2937;
            color: #d1d5db;
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 0.85rem;
            transition: all 0.3s;
        }

        .friend-links-wrap a:hover {
            background: var(--primary-gradient);
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1f2937;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 侧边悬浮窗 */
        .sticky-contact {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sticky-item {
            width: 50px;
            height: 50px;
            background: #ffffff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: all 0.3s;
        }

        .sticky-item:hover {
            background: var(--primary-gradient);
            color: #ffffff;
            transform: scale(1.1);
        }

        .sticky-item svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .sticky-qr-pop {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
        }

        .sticky-qr-pop img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }

        .sticky-item:hover .sticky-qr-pop {
            display: block;
        }

        /* 移动端菜单激活样式 */
        .nav-menu.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: #ffffff;
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .price-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .about-grid, .contact-grid, .info-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }