/* 基础变量与撞色艳色风格定义 */
        :root {
            --bg-primary: #f8fafc;
            --bg-secondary: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            
            /* 撞色艳色配置 */
            --color-primary: #7c3aed; /* 艳紫 */
            --color-accent: #06b6d4;  /* 霓虹蓝 */
            --color-warning: #f97316; /* 橙黄 */
            --color-dark: #0f172a;
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        /* 统一容器规范 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #e2e8f0;
            z-index: 1000;
            transition: var(--transition-smooth);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

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

        .nav-menu a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-smooth);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition-smooth);
            cursor: pointer;
        }

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

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #ffffff;
        }

        .btn-solid {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #ffffff;
            border: none;
            box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
        }

        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--color-warning), #ef4444);
            color: #ffffff;
            border: none;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
        }

        /* 移动端菜单开关 */
        .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-main);
            transition: var(--transition-smooth);
        }

        /* 主体布局分区 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid #f1f5f9;
        }

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

        .section-header h2 {
            font-size: 32px;
            color: var(--text-main);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 16px;
        }

        /* Hero首屏 - 无图、撞色文字排版 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 90% 10%, rgba(6, 182, 212, 0.1) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(124, 58, 237, 0.08) 0%, transparent 40%),
                        var(--bg-secondary);
            text-align: center;
        }

        .hero h1 {
            font-size: 48px;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 24px;
            font-weight: 800;
        }

        .hero h1 span.gradient-text {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p.lead {
            font-size: 20px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
        }

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

        .stat-card {
            background-color: var(--bg-secondary);
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            padding: 25px 20px;
            transition: var(--transition-smooth);
            text-align: center;
        }

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

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

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

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

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .tag {
            background-color: #f1f5f9;
            color: var(--text-main);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid #e2e8f0;
        }

        .tag-active {
            background-color: rgba(124, 58, 237, 0.1);
            color: var(--color-primary);
            border-color: rgba(124, 58, 237, 0.3);
        }

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

        .service-card {
            background-color: var(--bg-secondary);
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-smooth);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }

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

        .service-icon {
            font-size: 32px;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        /* 制作模块与应用场景 */
        .process-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .process-item {
            display: flex;
            gap: 15px;
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            transition: var(--transition-smooth);
        }

        .process-item:hover {
            border-color: var(--color-primary);
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
        }

        .process-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #ffffff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .process-info h4 {
            font-size: 18px;
            margin-bottom: 6px;
            color: var(--text-main);
        }

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

        /* 全行业解决方案 & 服务网络 */
        .grid-2x3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-card {
            background-color: var(--bg-secondary);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid #e2e8f0;
            transition: var(--transition-smooth);
        }

        .solution-card:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            border-color: var(--color-accent);
        }

        .solution-card h4 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

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

        /* 标准化流程 & 技术标准时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background-color: #cbd5e1;
            transform: translateX(-50%);
        }

        .timeline-node {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-node:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-content {
            width: 45%;
            background-color: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
        }

        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--color-primary);
            border: 4px solid #ffffff;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
        }

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

        .case-card {
            background-color: var(--bg-secondary);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid #e2e8f0;
            transition: var(--transition-smooth);
        }

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

        .case-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid #e2e8f0;
        }

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-main);
        }

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

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            background-color: var(--bg-secondary);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid #e2e8f0;
        }

        .comparison-table th {
            background-color: #f8fafc;
            color: var(--text-main);
            font-weight: 700;
        }

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

        .recommend-tag {
            background: linear-gradient(135deg, var(--color-warning), #ef4444);
            color: #ffffff;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
        }

        /* Token比价与算法推荐表 */
        .pricing-section {
            background-color: #f1f5f9;
        }

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

        .price-card {
            background-color: var(--bg-secondary);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid #e2e8f0;
            text-align: center;
            position: relative;
        }

        .price-card.popular {
            border-color: var(--color-primary);
            transform: scale(1.03);
        }

        .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--color-primary);
            color: #ffffff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: bold;
        }

        .price-header h4 {
            font-size: 20px;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .price-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary);
            margin: 20px 0;
        }

        .price-features {
            list-style: none;
            padding: 0;
            margin: 25px 0;
            text-align: left;
        }

        .price-features li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-features li::before {
            content: '✓';
            color: var(--color-accent);
            font-weight: bold;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background: var(--bg-secondary);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid #e2e8f0;
            display: flex;
            gap: 20px;
        }

        .training-icon {
            font-size: 40px;
            color: var(--color-primary);
        }

        .training-info h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .training-info p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 15px;
        }

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

        .faq-item {
            background-color: var(--bg-secondary);
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-question {
            padding: 20px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--color-primary);
            transition: var(--transition-smooth);
        }

        .faq-item.active .faq-question::after {
            content: '-';
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fafbfc;
        }

        .faq-answer-inner {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid #f1f5f9;
        }

        /* AI 术语百科与排查 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--color-primary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        .wiki-card h5 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-main);
        }

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

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

        .review-card {
            background-color: var(--bg-secondary);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid #e2e8f0;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
        }

        .review-rating {
            color: #fbbf24;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .review-text {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .review-user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--color-accent);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .review-user-info h5 {
            font-size: 14px;
            color: var(--text-main);
        }

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

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

        .article-card {
            background: var(--bg-secondary);
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            padding: 25px;
            transition: var(--transition-smooth);
        }

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

        .article-card h4 {
            font-size: 16px;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card h4 a {
            color: var(--text-main);
            text-decoration: none;
            transition: var(--transition-smooth);
        }

        .article-card h4 a:hover {
            color: var(--color-primary);
        }

        .article-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 表单与联系加盟 */
        .contact-section {
            background-color: var(--bg-secondary);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

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

        .contact-item-icon {
            font-size: 24px;
            color: var(--color-primary);
        }

        .contact-item-text h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-main);
        }

        .contact-item-text p, .contact-item-text a {
            color: var(--text-muted);
            font-size: 14px;
            text-decoration: none;
        }

        .qrcode-box {
            display: flex;
            gap: 20px;
            margin-top: 15px;
        }

        .qrcode-card {
            text-align: center;
            border: 1px solid #e2e8f0;
            padding: 12px;
            border-radius: 8px;
            background: #fff;
        }

        .qrcode-card img {
            width: 110px;
            height: 110px;
            display: block;
            margin-bottom: 8px;
        }

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

        /* 表单样式 */
        .form-card {
            background-color: var(--bg-primary);
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 35px;
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            background-color: #ffffff;
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition-smooth);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        textarea.form-control {
            height: 100px;
            resize: vertical;
        }

        /* 页脚 */
        footer {
            background-color: var(--color-dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: 1px solid #334155;
        }

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

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

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

        .footer-about p {
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-nav-col h5 {
            color: #ffffff;
            font-size: 16px;
            margin-bottom: 20px;
        }

        .footer-nav-col ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-nav-col ul li a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition-smooth);
        }

        .footer-nav-col ul li a:hover {
            color: #ffffff;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition-smooth);
        }

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

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            color: #94a3b8;
            text-decoration: none;
        }

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

        /* 浮动客服悬浮窗 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            cursor: pointer;
            text-decoration: none;
            font-size: 20px;
            position: relative;
            transition: var(--transition-smooth);
        }

        .float-btn:hover {
            transform: scale(1.05);
            background-color: var(--color-accent);
        }

        .float-qrcode-pop {
            display: none;
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            border: 1px solid #e2e8f0;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            text-align: center;
            width: 140px;
        }

        .float-qrcode-pop img {
            width: 110px;
            height: 110px;
        }

        .float-qrcode-pop span {
            font-size: 11px;
            color: var(--text-main);
            display: block;
            margin-top: 5px;
        }

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

        /* 标签云组件 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 30px;
        }

        .tag-cloud-item {
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 12px;
            background: #fff;
            border: 1px solid #e2e8f0;
            color: var(--text-muted);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .grid-2x3 { grid-template-columns: repeat(2, 1fr); }
            .case-grid { grid-template-columns: repeat(2, 1fr); }
            .pricing-grid { grid-template-columns: 1fr; }
            .price-card.popular { transform: none; }
            .training-grid { grid-template-columns: 1fr; }
            .wiki-grid { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: 1fr; }
            .article-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .hero h1 { font-size: 32px; }
            .hero p.lead { font-size: 16px; }
            
            .about-content { grid-template-columns: 1fr; }
            .process-showcase { grid-template-columns: 1fr; }
            .contact-layout { grid-template-columns: 1fr; }
            
            .timeline::before { left: 20px; }
            .timeline-node { flex-direction: row !important; }
            .timeline-content { width: calc(100% - 40px); margin-left: 40px; }
            .timeline-dot { left: 20px; }

            .stats-grid { grid-template-columns: 1fr; }
            .service-grid { grid-template-columns: 1fr; }
            .grid-2x3 { grid-template-columns: 1fr; }
            .case-grid { grid-template-columns: 1fr; }
            .wiki-grid { grid-template-columns: 1fr; }
            
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
        }