:root {
            --primary-color: #FFD200; /* 鲜黄 */
            --primary-hover: #E6BC00;
            --dark-color: #1A1A1A;
            --text-main: #2D2D2D;
            --text-muted: #666666;
            --bg-light: #FAFAFA;
            --bg-warm: #FFFDF0;
            --border-color: #EAEAEA;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 700;
            border-radius: 6px;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: var(--dark-color);
            box-shadow: 0 4px 14px rgba(255, 210, 0, 0.4);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 210, 0, 0.6);
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--dark-color);
            color: var(--dark-color);
        }

        .btn-outline:hover {
            background-color: var(--dark-color);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* 头部导航 */
        header {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

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

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

        .logo-area img {
            height: 40px;
            width: auto;
        }

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

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--dark-color);
            background-color: var(--bg-light);
        }

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

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

        /* 首屏 Hero - 严格无图 */
        .hero-section {
            background: linear-gradient(135deg, var(--bg-warm) 0%, #FFFFFF 100%);
            padding: 100px 0 80px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--primary-color), var(--dark-color), var(--primary-color));
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--dark-color);
            color: var(--primary-color);
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: 20px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--dark-color);
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

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

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .hero-features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .hero-feature-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 24px 20px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
            transition: transform 0.3s;
        }

        .hero-feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-color);
        }

        .hero-feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--dark-color);
        }

        .hero-feature-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-light {
            background-color: #FFFFFF;
        }

        .section-gray {
            background-color: var(--bg-light);
        }

        .section-warm {
            background-color: var(--bg-warm);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark-color);
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary-color);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-top: 15px;
        }

        /* 平台介绍/关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.6rem;
            margin-bottom: 16px;
            color: var(--dark-color);
        }

        .about-content p {
            margin-bottom: 20px;
            color: var(--text-muted);
            font-size: 1rem;
        }

        .about-highlights {
            list-style: none;
        }

        .about-highlights li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            font-weight: 600;
        }

        .about-highlights li::before {
            content: '✓';
            color: var(--dark-color);
            background-color: var(--primary-color);
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin-right: 10px;
            font-size: 0.75rem;
        }

        /* 服务体系 & 场景 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px 24px;
            transition: all 0.3s;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            border-color: var(--primary-color);
        }

        .service-card .icon-placeholder {
            width: 48px;
            height: 48px;
            background-color: var(--bg-warm);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            border: 1px solid var(--primary-color);
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--dark-color);
        }

        .service-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
        }

        /* 支持模型标签云 */
        .model-cloud-wrapper {
            margin-top: 40px;
            padding: 30px;
            background-color: #FFFFFF;
            border-radius: 12px;
            border: 1px dashed var(--primary-color);
            text-align: center;
        }

        .model-cloud-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark-color);
        }

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

        .tag-item {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.2s;
        }

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

        /* 制作流程 & 服务流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 24px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 36px;
            height: 36px;
            background-color: var(--dark-color);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 16px;
        }

        .process-step h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dark-color);
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: #FFFFFF;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .solution-body {
            padding: 24px;
            flex-grow: 1;
        }

        .solution-body h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark-color);
        }

        .solution-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 服务网络 */
        .network-section {
            background-color: var(--dark-color);
            color: #FFFFFF;
        }

        .network-section .section-header h2 {
            color: #FFFFFF;
        }

        .network-section .section-header p {
            color: #AAAAAA;
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

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

        .network-item {
            border-left: 3px solid var(--primary-color);
            padding-left: 15px;
        }

        .network-item h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        .network-item p {
            font-size: 0.88rem;
            color: #BBBBBB;
        }

        .network-map-text {
            background: rgba(255,255,255,0.05);
            padding: 30px;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.1);
        }

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

        .case-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.06);
        }

        .case-img-container {
            position: relative;
            background-color: #EAEAEA;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-card img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--bg-warm);
            border: 1px solid var(--primary-color);
            padding: 2px 8px;
            font-size: 0.75rem;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--dark-color);
        }

        .case-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background-color: #FFFFFF;
        }

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

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

        .comparison-table th {
            background-color: var(--dark-color);
            color: #FFFFFF;
            font-weight: 700;
        }

        .comparison-table th.highlight, .comparison-table td.highlight {
            background-color: var(--bg-warm);
            border-left: 2px solid var(--primary-color);
            border-right: 2px solid var(--primary-color);
        }

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

        .score-box {
            background-color: var(--primary-color);
            color: var(--dark-color);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            font-weight: 800;
        }

        .score-value {
            font-size: 2.5rem;
            color: var(--dark-color);
        }

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

        .price-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px 24px;
            text-align: center;
            position: relative;
        }

        .price-card.best-value {
            border: 2px solid var(--primary-color);
            background-color: var(--bg-warm);
        }

        .price-card.best-value::before {
            content: '全网最低';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: var(--dark-color);
            color: var(--primary-color);
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 12px;
        }

        .price-name {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark-color);
            margin-bottom: 20px;
        }

        .price-val span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .price-list {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
        }

        .price-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.88rem;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .training-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .training-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
        }

        .training-card h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--dark-color);
        }

        .training-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

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

        .review-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 16px;
            font-style: italic;
        }

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

        .review-user-info h4 {
            font-size: 0.95rem;
            color: var(--dark-color);
        }

        .review-user-info p {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* 资讯 / 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .article-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .article-link {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--dark-color);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

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

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 6px;
            margin-bottom: 12px;
            background-color: #FFFFFF;
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #FFFFFF;
            transition: background-color 0.3s;
        }

        .faq-question:hover {
            background-color: var(--bg-warm);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            padding: 0 24px 18px;
            transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
        }

        .faq-toggle-icon {
            font-size: 1.2rem;
            font-weight: 400;
            transition: transform 0.3s;
        }

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

        /* 百科与自助排查 */
        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .wiki-card, .trouble-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 24px;
        }

        .wiki-card h3, .trouble-card h3 {
            font-size: 1.3rem;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--primary-color);
            padding-bottom: 8px;
            display: inline-block;
        }

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

        .wiki-list li, .trouble-list li {
            margin-bottom: 12px;
            font-size: 0.92rem;
        }

        .wiki-list strong, .trouble-list strong {
            color: var(--dark-color);
        }

        /* 需求匹配与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }

        .form-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 40px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.95rem;
            background-color: var(--bg-light);
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            background-color: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(255, 210, 0, 0.2);
        }

        .contact-info-card {
            background-color: var(--bg-warm);
            border: 1px solid var(--primary-color);
            border-radius: 8px;
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-methods h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--dark-color);
        }

        .contact-item {
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .contact-item strong {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            text-transform: uppercase;
        }

        .qr-code-wrapper {
            margin-top: 20px;
            text-align: center;
            background: #FFFFFF;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .qr-code-wrapper img {
            width: 120px;
            height: 120px;
            display: block;
            margin: 0 auto 10px;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: var(--dark-color);
            color: #FFFFFF;
            padding: 60px 0 20px;
            font-size: 0.9rem;
            border-top: 5px solid var(--primary-color);
        }

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

        .footer-brand h2 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .footer-brand p {
            color: #BBBBBB;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .footer-links h3 {
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-links h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary-color);
        }

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

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #BBBBBB;
        }

        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }

        .friend-links-area {
            border-top: 1px solid #333333;
            padding-top: 20px;
            margin-top: 20px;
        }

        .friend-links-area h4 {
            font-size: 0.95rem;
            color: #888888;
            margin-bottom: 10px;
        }

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

        .friend-links a {
            color: #BBBBBB;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            border-top: 1px solid #333333;
            padding-top: 20px;
            text-align: center;
            color: #888888;
            font-size: 0.8rem;
        }

        /* 悬浮客服 */
        .floating-contact {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: var(--dark-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-hover);
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            width: 200px;
            text-align: center;
            color: var(--dark-color);
        }

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            .hero-title { font-size: 2.2rem; }
            .hero-features-grid { grid-template-columns: repeat(2, 1fr); }
            .about-grid, .network-grid, .training-grid, .wiki-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .process-flow { grid-template-columns: repeat(2, 1fr); }
            .solutions-grid, .cases-grid, .reviews-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-title { font-size: 1.8rem; }
            .hero-features-grid { grid-template-columns: 1fr; }
            .process-flow { grid-template-columns: 1fr; }
            .price-grid { grid-template-columns: 1fr; }
        }