:root {
            --primary: #E60012;      /* 艳红色 */
            --primary-hover: #C5000F;
            --primary-light: #FFF0F1;
            --dark: #1F1F1F;         /* 科技深灰 */
            --dark-light: #2A2A2A;
            --text-main: #333333;
            --text-muted: #666666;
            --bg-light: #FAFAFA;
            --bg-white: #FFFFFF;
            --border: #EBEBEB;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s ease;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 统一布局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

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

        section:nth-child(even) {
            background-color: var(--bg-light);
        }

        /* 标题组件 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--dark);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
            font-weight: 700;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            margin-top: 15px;
            font-size: 16px;
        }

        /* 按钮组件 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 6px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg-white);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(230, 0, 18, 0.3);
        }

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

        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        .header-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

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

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

        .ai-page-logo {
            height: 45px;
            width: auto;
        }

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

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
        }

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

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

        /* Hero首屏 - 无图，纯粹科技渐变及文字排版 */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 90px;
            background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 50%, #FFF0F1 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 30%;
            height: 50%;
            background: radial-gradient(circle, rgba(230,0,18,0.05) 0%, rgba(255,255,255,0) 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 40%;
            height: 60%;
            background: radial-gradient(circle, rgba(230,0,18,0.04) 0%, rgba(255,255,255,0) 70%);
            pointer-events: none;
        }

        .hero-h1 {
            font-size: 38px;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1.3;
        }

        .hero-sub {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
            line-height: 1.6;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

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

        .stat-card {
            background-color: var(--bg-white);
            padding: 25px 15px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border-top: 3px solid var(--primary);
            transition: var(--transition);
        }

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

        .stat-card .num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }

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

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

        .about-text h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            text-align: justify;
        }

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

        .feat-box {
            background-color: var(--bg-light);
            padding: 20px;
            border-radius: 6px;
            border-left: 3px solid var(--primary);
        }

        .feat-box h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .feat-box p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* 全平台AIGC服务体系 */
        .service-system-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .service-left, .service-right {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .service-h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

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

        .tag-cloud span {
            background-color: var(--bg-light);
            color: var(--dark);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .tag-cloud span:hover {
            background-color: var(--primary);
            color: var(--bg-white);
            border-color: var(--primary);
        }

        .scene-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .scene-item {
            background: var(--bg-light);
            padding: 15px;
            border-radius: 6px;
            text-align: center;
            font-weight: 600;
            font-size: 14px;
            border: 1px dashed var(--border);
        }

        /* 全自动AIGC制作流程 */
        .workflow-timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .workflow-step {
            flex: 1;
            min-width: 200px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 25px 20px;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .workflow-step:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 15px;
        }

        .workflow-step h4 {
            font-size: 16px;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .workflow-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 全行业解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .solution-card:hover {
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }

        .solution-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--dark);
        }

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

        /* 全国服务网络 & 标准化服务全流程 */
        .network-section-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .network-info, .standards-flow-info {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }

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

        .list-items li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .list-items li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        /* 技术标准 */
        .tech-standards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tech-card {
            background: var(--bg-light);
            border-radius: 8px;
            padding: 20px;
            border: 1px solid var(--border);
            text-align: center;
        }

        .tech-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .tech-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .rating-box {
            text-align: center;
            margin-bottom: 30px;
        }

        .rating-stars {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .rating-score {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
        }

        .comparison-table-wrapper {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .comparison-table th, .comparison-table td {
            padding: 15px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .comparison-table th {
            background-color: var(--dark);
            color: var(--bg-white);
            font-weight: 600;
        }

        .comparison-table tr:hover {
            background-color: var(--bg-light);
        }

        .highlight-col {
            background-color: rgba(230, 0, 18, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--bg-white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .case-img-container {
            position: relative;
            overflow: hidden;
            background-color: #eaeaea;
        }

        .case-img-container img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            font-size: 12px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .case-info h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 智能需求匹配与联系我们表单 */
        .form-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .match-form-box {
            background: var(--bg-white);
            padding: 40px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .form-group-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 20px;
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 4px;
            font-size: 14px;
            outline: none;
            background-color: var(--bg-light);
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
            background-color: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.1);
        }

        .form-info-sidebar {
            background-color: var(--dark);
            color: var(--bg-white);
            padding: 40px 30px;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .sidebar-top h3 {
            font-size: 22px;
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        .contact-methods {
            margin-top: 25px;
        }

        .method-item {
            margin-bottom: 20px;
            font-size: 14px;
        }

        .method-item strong {
            display: block;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 30px;
        }

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

        .qr-item img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
            margin: 0 auto 8px;
            background: #fff;
            padding: 5px;
        }

        .qr-item span {
            font-size: 12px;
            display: block;
            color: #ccc;
        }

        /* Token比价参考 */
        .token-intro {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 30px;
            color: var(--text-muted);
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .training-card {
            background: var(--bg-white);
            border-radius: 8px;
            padding: 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            border-top: 4px solid var(--primary);
        }

        .training-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .course-list {
            margin-top: 15px;
        }

        .course-item {
            padding: 12px;
            background: var(--bg-light);
            border-radius: 4px;
            margin-bottom: 10px;
            font-size: 14px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .course-badge {
            background-color: var(--primary);
            color: var(--bg-white);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 3px;
        }

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

        .review-card {
            background: var(--bg-white);
            padding: 25px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
        }

        .review-card::before {
            content: '“';
            font-size: 60px;
            color: rgba(230, 0, 18, 0.08);
            position: absolute;
            top: 5px;
            left: 15px;
            font-family: Georgia, serif;
        }

        .review-content {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            text-align: justify;
        }

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

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

        .user-info-text h4 {
            font-size: 14px;
            color: var(--dark);
        }

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

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 6px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
        }

        .faq-question {
            padding: 18px 20px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--bg-white);
            user-select: none;
            transition: var(--transition);
            font-size: 15px;
        }

        .faq-question:hover {
            background-color: var(--primary-light);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            background-color: var(--bg-white);
            border-top: 0 solid var(--border);
        }

        .faq-answer p {
            padding: 15px 0;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 20px;
            border-top: 1px solid var(--border);
        }

        .faq-icon {
            font-size: 18px;
            transition: transform 0.3s;
            color: var(--text-muted);
        }

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

        /* 自助排查与百科 */
        .helper-tools-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .trouble-box, .wiki-box {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .trouble-item {
            margin-bottom: 15px;
        }

        .trouble-item h4 {
            font-size: 14px;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .trouble-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .wiki-card {
            background-color: var(--bg-light);
            padding: 15px;
            border-radius: 6px;
        }

        .wiki-card strong {
            display: block;
            font-size: 14px;
            margin-bottom: 5px;
            color: var(--dark);
        }

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

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: 8px;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .news-card-body {
            padding: 20px;
        }

        .news-date {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
        }

        .news-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .news-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* 页脚与友情链接 */
        .footer {
            background-color: var(--dark);
            color: #DDDDDD;
            padding: 60px 0 30px;
            font-size: 14px;
            border-top: 4px solid var(--primary);
        }

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

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-logo p {
            font-size: 13px;
            color: #999;
            line-height: 1.6;
        }

        .footer-links h4, .footer-contact h4 {
            color: var(--bg-white);
            font-size: 16px;
            margin-bottom: 15px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-links h4::after, .footer-contact h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

        .friendly-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 15px;
        }

        .friendly-links a {
            color: #999;
            font-size: 13px;
        }

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

        .footer-contact p {
            margin-bottom: 8px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid var(--dark-light);
            padding-top: 25px;
            text-align: center;
            color: #888;
            font-size: 12px;
        }

        .footer-bottom p {
            margin-bottom: 5px;
        }

        .ai-page-home-link {
            color: var(--primary) !important;
            font-weight: bold;
        }

        /* 浮动客服 */
        .sticky-kefu {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .kefu-btn {
            background-color: var(--primary);
            color: var(--bg-white);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(230, 0, 18, 0.4);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .kefu-btn:hover {
            transform: scale(1.08);
        }

        .kefu-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .kefu-panel {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 15px;
            box-shadow: var(--shadow);
            text-align: center;
            width: 160px;
            display: none;
        }

        .kefu-panel img {
            width: 100%;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .kefu-panel span {
            font-size: 12px;
            color: var(--dark);
            font-weight: 600;
        }

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

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .about-grid, .service-system-container, .network-section-grid, .form-grid, .training-grid, .helper-tools-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-white);
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .solution-grid, .reviews-grid, .news-grid, .cases-grid, .tech-standards-grid, .wiki-grid {
                grid-template-columns: 1fr;
            }
            .form-group-row {
                grid-template-columns: 1fr;
            }
        }