:root {
            --primary-gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #f43f5e 100%);
            --secondary-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
            --bg-base: #f8fafc;
            --bg-card: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --accent-pink: #ec4899;
            --accent-purple: #8b5cf6;
            --accent-blue: #3b82f6;
            --border-color: rgba(226, 232, 240, 0.8);
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        .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: var(--transition-smooth);
        }

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

        .brand {
            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-links {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition-smooth);
        }

        .nav-links a:hover {
            color: var(--accent-pink);
        }

        .nav-links .ai-page-home-link {
            font-weight: 700;
            color: var(--text-dark);
            border-bottom: 2px solid var(--accent-pink);
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: white !important;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition-smooth);
        }

        /* Hero首屏 - 无图科技感 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                        var(--bg-base);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--accent-purple);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 25px;
        }

        .hero-title {
            font-size: 2.8rem;
            line-height: 1.25;
            font-weight: 900;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

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

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 30px;
            border-radius: 8px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition-smooth);
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: white;
            box-shadow: 0 10px 20px rgba(236, 72, 153, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(236, 72, 153, 0.35);
        }

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

        .btn-secondary:hover {
            border-color: var(--accent-pink);
            color: var(--accent-pink);
        }

        /* 数据指标卡片 */
        .stats-section {
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-pink);
            box-shadow: 0 20px 40px rgba(236, 72, 153, 0.08);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 板块通用头部 */
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

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

        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }

        .about-feat-item span {
            color: var(--accent-pink);
            font-size: 1.2rem;
        }

        .about-image-wrapper {
            position: relative;
        }

        .about-image-wrapper img {
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
            border: 4px solid white;
        }

        /* AIGC服务 */
        .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: 16px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 45px rgba(99, 102, 241, 0.08);
            border-color: rgba(99, 102, 241, 0.2);
        }

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

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

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

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

        /* 一站式制作 & 场景 */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 25px 20px;
            border-radius: 12px;
            text-align: center;
            font-weight: 700;
            transition: var(--transition-smooth);
        }

        .scene-card:hover {
            background: var(--primary-gradient);
            color: white;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 支持模型滚动 */
        .models-wrapper {
            margin-top: 40px;
            overflow: hidden;
            position: relative;
            padding: 20px 0;
        }

        .models-track {
            display: flex;
            gap: 15px;
            animation: scroll 40s linear infinite;
            width: max-content;
        }

        .model-tag {
            background: white;
            border: 1px solid var(--border-color);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

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

        /* 行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .solution-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .solution-body {
            padding: 30px;
        }

        .solution-body h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

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

        /* 流程步骤 */
        .steps-flow {
            display: flex;
            justify-content: space-between;
            position: relative;
            gap: 20px;
            flex-wrap: wrap;
        }

        .step-node {
            flex: 1;
            min-width: 200px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            position: relative;
            transition: var(--transition-smooth);
        }

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

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 15px;
        }

        .step-node h4 {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .step-node p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .rating-box {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .rating-score .num {
            font-size: 4rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .rating-stars {
            color: #f59e0b;
            font-size: 1.5rem;
            margin: 10px 0;
        }

        .rating-info h4 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .rating-info p {
            color: var(--text-muted);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: white;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

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

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

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

        .highlight-cell {
            background: rgba(99, 102, 241, 0.02);
            font-weight: 600;
        }

        /* 需求匹配与表单 */
        .form-section {
            background: linear-gradient(135deg, #f5f7ff 0%, #fef1f6 100%);
        }

        .form-container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.04);
            border: 1px solid var(--border-color);
        }

        .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-width {
            grid-column: span 2;
        }

        .form-group label {
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            transition: var(--transition-smooth);
            font-family: inherit;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--accent-pink);
            box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
        }

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

        .price-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            transition: var(--transition-smooth);
        }

        .price-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-pink);
        }

        .price-card.popular {
            border: 2px solid var(--accent-pink);
            position: relative;
        }

        .price-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-pink);
            color: white;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .price-val {
            font-size: 2rem;
            font-weight: 800;
            margin: 20px 0 10px;
            color: var(--text-dark);
        }

        .price-features {
            list-style: none;
            margin: 20px 0 30px;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.9rem;
        }

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

        .training-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition-smooth);
        }

        .training-card:hover {
            border-color: var(--accent-blue);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.05);
        }

        .training-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .training-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 15px;
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            padding: 0 20px 20px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

        .faq-icon::after {
            content: '+';
            font-size: 1.2rem;
            font-weight: bold;
        }

        .faq-item.active .faq-icon::after {
            content: '−';
        }

        /* AI术语百科 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            background: white;
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            cursor: default;
            transition: var(--transition-smooth);
        }

        .tag-item:hover {
            border-color: var(--accent-pink);
            color: var(--accent-pink);
            transform: scale(1.05);
        }

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

        .comment-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.01);
        }

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

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

        .user-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

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

        /* 资讯与外部链接 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h3 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .news-link {
            color: var(--accent-pink);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition-smooth);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.06);
        }

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
        }

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

        .case-body {
            padding: 20px;
        }

        .case-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 联系与加盟 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

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

        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--accent-pink);
        }

        .contact-detail h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .contact-detail p {
            color: var(--text-muted);
        }

        .qrcode-box {
            display: flex;
            align-items: center;
            gap: 20px;
            background: white;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            margin-top: 20px;
        }

        .qrcode-box img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
        }

        /* 页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: none;
        }

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

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

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-links h4 {
            color: white;
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

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

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
        }

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

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
        }

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

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            transition: var(--transition-smooth);
        }

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

        /* 侧边悬停客服 */
        .sticky-kefu {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .kefu-trigger {
            width: 50px;
            height: 50px;
            background: var(--primary-gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(236,72,153,0.3);
            font-size: 1.5rem;
            transition: var(--transition-smooth);
            position: relative;
        }

        .kefu-trigger:hover {
            transform: scale(1.1);
        }

        .kefu-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            text-align: center;
            display: none;
            width: 160px;
        }

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

        .kefu-popover p {
            font-size: 0.8rem;
            color: var(--text-dark);
            font-weight: bold;
        }

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

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

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .about-grid, .solutions-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid, .service-grid, .scenes-grid, .news-grid, .cases-grid, .comments-grid {
                grid-template-columns: 1fr;
            }
            .rating-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }