:root {
            --primary: #D32F2F;      /* 艳红 */
            --primary-dark: #9E1C1C; /* 深红 */
            --primary-light: #FFEBEE;/* 极浅粉红背景 */
            --accent: #FF5722;       /* 橙红 */
            --accent-gold: #FFC107;  /* 金黄 */
            --text-dark: #1E1E1E;    /* 深黑正文 */
            --text-muted: #555555;   /* 深灰配字 */
            --bg-light: #FBFBFC;     /* 浅灰白底色 */
            --bg-white: #FFFFFF;
            --border-color: #EAEAEA;
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* 基础设置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.6;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }
        ul {
            list-style: none;
        }
        button, input, select, textarea {
            font-family: inherit;
            outline: none;
        }

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

        /* 头部导航 */
        .header {
            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);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            height: 45px;
        }
        .logo-wrap img {
            max-height: 100%;
            width: auto;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 5px 10px;
            border-bottom: 2px transparent;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-btn {
            background-color: var(--primary);
            color: #fff;
            padding: 8px 18px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 14px;
        }
        .nav-btn:hover {
            background-color: var(--primary-dark);
            color: #fff;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* Hero 广告区 (首屏无图) */
        .hero {
            padding-top: 150px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, #B71C1C 0%, #D32F2F 50%, #FF5722 100%);
            color: #ffffff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        /* 增加网格纹理以显科技感 */
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px);
            background-size: 30px 30px;
            pointer-events: none;
        }
        .hero-badge {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: 1px;
            color: var(--accent-gold);
            animation: pulse 2s infinite;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-desc {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 35px auto;
            opacity: 0.9;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background-color: var(--accent-gold);
            color: var(--text-dark);
            padding: 12px 35px;
            border-radius: 4px;
            font-weight: bold;
            font-size: 16px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
            background-color: #fff;
            color: var(--primary);
        }
        .btn-secondary {
            background-color: transparent;
            color: #ffffff;
            border: 2px solid #ffffff;
            padding: 10px 32px;
            border-radius: 4px;
            font-weight: bold;
            font-size: 16px;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background-color: #ffffff;
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* 数据指标 */
        .stats-section {
            background-color: var(--bg-white);
            padding: 40px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            position: relative;
            z-index: 10;
            margin-top: -30px;
            border-radius: 8px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-card h3 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 5px;
            font-weight: 700;
        }
        .stat-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 通用栏目头部样式 */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-tag {
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 10px;
            display: block;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .section-desc {
            max-width: 700px;
            margin: 15px auto 0 auto;
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 平台介绍 */
        .intro-section {
            background-color: var(--bg-white);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .intro-text h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--primary-dark);
        }
        .intro-features {
            margin-top: 25px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .intro-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .intro-feat-item::before {
            content: '✓';
            color: var(--accent);
            font-weight: 900;
            font-size: 18px;
        }

        /* 全平台 AIGC 服务 */
        .service-section {
            background-color: var(--bg-light);
        }
        .model-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 30px;
        }
        .model-tag {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .model-tag:hover {
            border-color: var(--primary);
            background-color: var(--primary-light);
            color: var(--primary);
        }

        /* 一站式 AIGC 制作与解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        .solution-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(211, 47, 47, 0.08);
            border-color: var(--primary);
        }
        .solution-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 4px; height: 100%;
            background-color: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }
        .solution-card:hover::before {
            opacity: 1;
        }
        .sol-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .solution-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .solution-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 标准化流程 & 服务网络 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
            position: relative;
        }
        .process-step {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 8px;
            text-align: center;
            position: relative;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 15px auto;
        }

        /* 对比评测 */
        .evaluation-section {
            background-color: var(--primary-light);
            border-top: 4px solid var(--primary);
        }
        .eval-summary {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            background: var(--bg-white);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid rgba(211, 47, 47, 0.2);
            flex-wrap: wrap;
        }
        .eval-score {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary-dark);
            line-height: 1;
        }
        .eval-stars {
            color: var(--accent-gold);
            font-size: 1.8rem;
            letter-spacing: 3px;
        }
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--bg-white);
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: #F5F5F7;
            font-weight: bold;
            color: var(--text-dark);
        }
        .comparison-table tr.highlight-row {
            background-color: rgba(211, 47, 47, 0.02);
        }
        .comparison-table tr.highlight-row td {
            font-weight: 600;
        }
        .badge-pro {
            background-color: var(--primary);
            color: #fff;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            margin-left: 6px;
        }

        /* 案例中心 (含横版、方版素材展示) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 30px;
        }
        .case-card {
            background: var(--bg-white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
        }
        .case-img-wrap {
            position: relative;
            overflow: hidden;
            background-color: #e5e5e5;
        }
        .case-img-wrap.landscape {
            aspect-ratio: 16 / 9;
        }
        .case-img-wrap.square {
            aspect-ratio: 1 / 1;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 20px;
        }
        .case-info h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .case-info p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* Token 比价 */
        .price-section {
            background-color: var(--bg-white);
        }
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 30px;
        }
        .price-card {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
            text-align: center;
            transition: var(--transition);
        }
        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(211, 47, 47, 0.1);
            position: relative;
        }
        .price-card.featured::after {
            content: '首选推荐';
            position: absolute;
            top: 15px; right: 15px;
            background-color: var(--primary);
            color: #fff;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 4px;
        }
        .price-card h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
        }
        .price-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 20px 0;
        }
        .price-num span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: normal;
        }
        .price-list {
            margin-bottom: 25px;
            text-align: left;
            font-size: 14px;
            color: var(--text-muted);
        }
        .price-list li {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-list li::before {
            content: '●';
            color: var(--primary);
            font-size: 10px;
        }

        /* 职业技术与人工智能培训 */
        .training-section {
            background-color: var(--bg-light);
        }
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 30px;
        }
        .training-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .training-icon {
            font-size: 2rem;
            color: var(--primary);
            background: var(--primary-light);
            width: 60px;
            height: 60px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .training-content h4 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .training-content p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 10px;
        }
        .training-cert {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 常见用户问题 FAQ + 自助排查 + 术语百科 */
        .faq-section {
            background-color: var(--bg-white);
        }
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
        }
        .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 0;
        }
        .faq-answer p {
            padding-top: 10px;
        }
        .faq-icon {
            font-size: 18px;
            transition: transform 0.3s ease;
            font-weight: bold;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        /* 术语百科 */
        .encyclopedia {
            margin-top: 60px;
            background: var(--bg-light);
            padding: 30px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }
        .encyclopedia h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
            color: var(--primary-dark);
        }
        .term-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .term-card h4 {
            font-size: 14px;
            color: var(--text-dark);
            margin-bottom: 5px;
        }
        .term-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 客户评论卡片 */
        .reviews-section {
            background-color: var(--bg-light);
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 30px;
        }
        .review-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 16px;
        }
        .review-meta h5 {
            font-size: 14px;
            color: var(--text-dark);
        }
        .review-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 知识库/行业资讯 */
        .news-section {
            background-color: var(--bg-white);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 30px;
        }
        .news-card {
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 20px;
        }
        .news-card h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .news-date {
            font-size: 12px;
            color: var(--primary);
        }

        /* 智能需求匹配与联系我们表单 */
        .contact-section {
            background-color: var(--bg-light);
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }
        .form-wrap {
            background: var(--bg-white);
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-input {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 14px;
            transition: var(--transition);
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
        }
        .form-submit-btn {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 30px;
            border-radius: 4px;
            font-weight: bold;
            cursor: pointer;
            width: 100%;
            font-size: 16px;
            transition: var(--transition);
        }
        .form-submit-btn:hover {
            background-color: var(--primary-dark);
        }
        .contact-info-wrap {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .info-card {
            background: var(--bg-white);
            padding: 25px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }
        .info-card h4 {
            font-size: 16px;
            color: var(--primary-dark);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 8px;
        }
        .info-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .qr-area {
            display: flex;
            gap: 15px;
            align-items: center;
            margin-top: 10px;
        }
        .qr-code {
            width: 100px;
            height: 100px;
            background: #eee;
            border-radius: 4px;
            padding: 5px;
            border: 1px solid var(--border-color);
        }
        .qr-code img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 友情链接与底部导航区 */
        .footer {
            background-color: #1A1A1A;
            color: #E0E0E0;
            padding: 60px 0 30px 0;
            border-top: 4px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            color: #fff;
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        .footer-brand p {
            font-size: 14px;
            color: #A0A0A0;
            line-height: 1.8;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 15px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; width: 30px; height: 2px;
            background-color: var(--primary);
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links ul li a {
            color: #A0A0A0;
            font-size: 14px;
        }
        .footer-links ul li a:hover {
            color: var(--primary);
        }
        .friend-links-section {
            border-top: 1px solid #333;
            padding-top: 25px;
            margin-top: 25px;
        }
        .friend-links-title {
            font-size: 14px;
            color: #fff;
            margin-bottom: 12px;
        }
        .friend-links-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }
        .friend-links-wrap a {
            color: #A0A0A0;
            font-size: 13px;
            transition: var(--transition);
        }
        .friend-links-wrap a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #888;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 浮动工具栏 */
        .float-bar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            transition: var(--transition);
            font-size: 20px;
            position: relative;
        }
        .float-item:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .float-qr-hover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            padding: 12px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            width: 140px;
            text-align: center;
        }
        .float-qr-hover img {
            width: 100%;
            height: auto;
            margin-bottom: 5px;
        }
        .float-qr-hover span {
            font-size: 11px;
            color: var(--text-dark);
            display: block;
            white-space: nowrap;
        }
        .float-item:hover .float-qr-hover {
            display: block;
        }

        /* 基础动画 */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .solution-grid, .case-grid, .price-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-grid, .training-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .term-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                position: relative;
            }
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .solution-grid, .case-grid, .price-grid, .reviews-grid, .term-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }