:root {
            --bg-primary: #f9fbff;
            --bg-secondary: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --color-primary: #2563eb; /* 克莱因蓝 */
            --color-accent: #ff4757;  /* 明艳珊瑚红 */
            --color-yellow: #ffd32a;  /* 明艳芒果黄 */
            --color-green: #2ed573;   /* 荧光绿 */
            --border-color: #0f172a;
            --shadow-neo: 4px 4px 0px #0f172a;
            --shadow-neo-hover: 8px 8px 0px #0f172a;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-family);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            background-color: var(--bg-secondary);
            border-bottom: 3px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

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

        .brand img {
            height: 40px;
            width: auto;
        }

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

        .nav-menu a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 700;
            font-size: 14px;
            padding: 6px 12px;
            border: 2px solid transparent;
            transition: all 0.2s ease;
        }

        .nav-menu a:hover {
            border: 2px solid var(--border-color);
            background-color: var(--color-yellow);
            box-shadow: 2px 2px 0px var(--border-color);
        }

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

        .nav-btn {
            background-color: var(--color-primary);
            color: #fff !important;
            padding: 8px 16px;
            border: 2px solid var(--border-color);
            font-weight: 700;
            text-decoration: none;
            box-shadow: var(--shadow-neo);
            transition: all 0.2s;
        }

        .nav-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: var(--shadow-neo-hover);
            background-color: var(--color-accent);
        }

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

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

        /* 页面大标题排版 */
        .section-title {
            text-align: center;
            font-size: 32px;
            font-weight: 900;
            margin-bottom: 40px;
            color: var(--text-primary);
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 10%;
            width: 80%;
            height: 8px;
            background-color: var(--color-yellow);
            border: 2px solid var(--border-color);
            z-index: -1;
        }

        section {
            padding: 80px 0;
            border-bottom: 3px solid var(--border-color);
        }

        /* 1. 首页 (Hero) - 严格遵循首屏无图片规则 */
        #home {
            background: linear-gradient(135deg, #e0f2fe 0%, #ffedd5 100%);
            padding: 100px 0 120px 0;
            position: relative;
        }

        .hero-content {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            background-color: var(--color-accent);
            color: #ffffff;
            font-weight: 800;
            padding: 6px 16px;
            border: 2px solid var(--border-color);
            display: inline-block;
            transform: rotate(-1.5deg);
            margin-bottom: 25px;
            box-shadow: 3px 3px 0px var(--border-color);
        }

        #home h1 {
            font-size: 48px;
            font-weight: 950;
            line-height: 1.2;
            margin-bottom: 25px;
            color: var(--text-primary);
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            font-weight: 500;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-main {
            background-color: var(--color-primary);
            color: #ffffff;
            font-size: 18px;
            font-weight: 800;
            padding: 14px 32px;
            border: 3px solid var(--border-color);
            text-decoration: none;
            box-shadow: var(--shadow-neo);
            transition: all 0.2s;
        }

        .btn-main:hover {
            transform: translate(-3px, -3px);
            box-shadow: var(--shadow-neo-hover);
            background-color: var(--color-accent);
        }

        .btn-sub {
            background-color: #ffffff;
            color: var(--text-primary);
            font-size: 18px;
            font-weight: 800;
            padding: 14px 32px;
            border: 3px solid var(--border-color);
            text-decoration: none;
            box-shadow: var(--shadow-neo);
            transition: all 0.2s;
        }

        .btn-sub:hover {
            transform: translate(-3px, -3px);
            box-shadow: var(--shadow-neo-hover);
            background-color: var(--color-yellow);
        }

        /* 2. 关于我们 */
        #about {
            background-color: #ffffff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--text-secondary);
            font-size: 16px;
        }

        .about-highlight {
            background-color: var(--color-yellow);
            border: 3px solid var(--border-color);
            padding: 25px;
            box-shadow: var(--shadow-neo);
        }

        .about-highlight h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 10px;
        }

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

        .stat-card {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-neo);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 900;
            color: var(--color-primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
        }

        /* 3. 全平台AIGC服务体系 */
        #service-system {
            background-color: #f0fdf4; /* 浅淡绿 */
        }

        .system-desc {
            text-align: center;
            max-width: 800px;
            margin: -20px auto 40px auto;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 45px;
            padding: 15px;
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            box-shadow: var(--shadow-neo);
        }

        .platform-tag {
            background-color: #f1f5f9;
            border: 2px solid var(--border-color);
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 700;
            border-radius: 4px;
        }

        .platform-tag.highlight {
            background-color: var(--color-yellow);
        }

        .service-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 30px;
            box-shadow: var(--shadow-neo);
            transition: all 0.2s;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-neo-hover);
        }

        .service-card .icon-box {
            width: 50px;
            height: 50px;
            background-color: var(--color-yellow);
            border: 2px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            margin-bottom: 20px;
        }

        .service-card h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }

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

        /* 4. 全自动AIGC制作流程 */
        #workflow {
            background-color: #fffbeb;
        }

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

        .flow-step {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 30px 20px;
            position: relative;
            box-shadow: var(--shadow-neo);
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 20px;
            background-color: var(--color-accent);
            color: #ffffff;
            font-size: 18px;
            font-weight: 900;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 3px solid var(--border-color);
        }

        .flow-step h4 {
            margin-top: 15px;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .flow-step p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* 5. 全行业解决方案 */
        #solutions {
            background-color: #ffffff;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-item {
            border: 3px solid var(--border-color);
            background-color: var(--bg-primary);
            padding: 30px;
            box-shadow: var(--shadow-neo);
        }

        .solution-item h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--color-primary);
        }

        .solution-item ul {
            list-style: none;
            padding-left: 0;
        }

        .solution-item li {
            font-size: 14px;
            margin-bottom: 10px;
            color: var(--text-secondary);
            position: relative;
            padding-left: 20px;
        }

        .solution-item li::before {
            content: '✦';
            position: absolute;
            left: 0;
            color: var(--color-accent);
            font-weight: 900;
        }

        /* 6. 全国服务网络 & 7. 标准化服务全流程 & 8. 技术标准 */
        #standard-network {
            background-color: #faf5ff;
        }

        .three-column-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .col-card {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 30px;
            box-shadow: var(--shadow-neo);
        }

        .col-card h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }

        .network-list, .flow-list, .tech-list {
            list-style: none;
        }

        .network-list li, .flow-list li, .tech-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #e2e8f0;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .network-list li::before { content: "📍"; }
        .flow-list li::before { content: "⚙️"; }
        .tech-list li::before { content: "🛡️"; }

        /* 9. 客户案例中心 - 引入指定宣传图与素材图 */
        #cases {
            background-color: #ffffff;
        }

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

        .case-card {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            box-shadow: var(--shadow-neo);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            border-bottom: 3px solid var(--border-color);
            background-color: #f1f5f9;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

        .case-body {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-body h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .case-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 15px;
        }

        .case-tag {
            align-self: flex-start;
            background-color: var(--color-yellow);
            border: 2px solid var(--border-color);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
        }

        /* 10. 对比评测 */
        #comparison {
            background-color: #fff5f5;
        }

        .rating-badge {
            background-color: var(--color-accent);
            color: #ffffff;
            padding: 20px;
            border: 3px solid var(--border-color);
            box-shadow: var(--shadow-neo);
            text-align: center;
            max-width: 400px;
            margin: 0 auto 40px auto;
        }

        .rating-badge h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .rating-num {
            font-size: 48px;
            font-weight: 950;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 3px solid var(--border-color);
            box-shadow: var(--shadow-neo);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background-color: #ffffff;
            text-align: left;
            min-width: 600px;
        }

        th, td {
            padding: 16px 20px;
            border: 1px solid #e2e8f0;
            font-size: 14px;
        }

        th {
            background-color: var(--color-primary);
            color: #ffffff;
            font-weight: 800;
            border-bottom: 3px solid var(--border-color);
        }

        tr:nth-child(even) {
            background-color: #f8fafc;
        }

        td.highlight-td {
            font-weight: 700;
            background-color: #f0fdf4;
            color: #166534;
        }

        /* 11. 智能需求匹配 & 20. 联系我们 表单 */
        #demand-matching {
            background-color: #ffffff;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .form-info h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .form-info p {
            color: var(--text-secondary);
            margin-bottom: 30px;
        }

        .contact-methods {
            display: grid;
            gap: 20px;
        }

        .contact-item {
            background-color: var(--bg-primary);
            border: 3px solid var(--border-color);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow-neo);
        }

        .contact-item img {
            width: 80px;
            height: 80px;
            border: 2px solid var(--border-color);
        }

        .contact-item-info h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 5px;
        }

        .contact-item-info p {
            font-size: 14px;
            margin-bottom: 0;
        }

        .matching-form {
            background-color: var(--color-yellow);
            border: 3px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow-neo);
        }

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

        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 3px solid var(--border-color);
            font-size: 14px;
            font-weight: 600;
            outline: none;
            background-color: #ffffff;
        }

        .form-control:focus {
            background-color: #f0fdf4;
        }

        /* 12. Token比价参考 & 13. 职业技术培训 & 14. 人工智能培训 */
        #pricing-training {
            background-color: #eff6ff;
        }

        .grid-2col {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }

        .token-card, .training-card {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 30px;
            box-shadow: var(--shadow-neo);
        }

        .token-card h3, .training-card h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }

        .price-list-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .price-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #e2e8f0;
            padding-bottom: 10px;
        }

        .price-name {
            font-weight: 700;
        }

        .price-val {
            font-family: monospace;
            font-weight: 700;
            color: var(--color-accent);
        }

        .training-item {
            margin-bottom: 20px;
            padding: 15px;
            background-color: #f8fafc;
            border: 2px solid var(--border-color);
        }

        .training-item h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 5px;
            color: var(--color-primary);
        }

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

        /* 15. 帮助中心 & 16. 常见用户问题 FAQ & 17. 常见问题自助排查 & 18. 网站术语百科 */
        #faq-section {
            background-color: #ffffff;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            border: 3px solid var(--border-color);
            background-color: #ffffff;
            box-shadow: var(--shadow-neo);
        }

        .faq-header {
            padding: 18px 25px;
            font-weight: 800;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #ffffff;
            user-select: none;
        }

        .faq-header::after {
            content: '+';
            font-size: 20px;
            font-weight: 900;
        }

        .faq-item.active .faq-header {
            background-color: var(--color-yellow);
            border-bottom: 3px solid var(--border-color);
        }

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 25px;
            background-color: #ffffff;
        }

        .faq-item.active .faq-body {
            max-height: 500px;
            padding: 20px 25px;
        }

        .faq-sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .sidebar-box {
            background-color: #f8fafc;
            border: 3px solid var(--border-color);
            padding: 25px;
            box-shadow: var(--shadow-neo);
        }

        .sidebar-box h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 8px;
        }

        .sidebar-box ul {
            list-style: none;
        }

        .sidebar-box li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .sidebar-box li strong {
            color: var(--color-primary);
        }

        /* 19. 行业资讯 / 知识库 */
        #news {
            background-color: #fffbeb;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 25px;
            box-shadow: var(--shadow-neo);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .news-link {
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* 评论区 (用户评论 6条) */
        #testimonials {
            background-color: #f0fdf4;
        }

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

        .testimonial-card {
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 25px;
            box-shadow: var(--shadow-neo);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .testi-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            background-color: var(--color-yellow);
            border: 2px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
        }

        .author-info h5 {
            font-size: 14px;
            font-weight: 800;
        }

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

        /* 页脚 */
        footer {
            background-color: #0f172a;
            color: #f8fafc;
            padding: 60px 0 30px 0;
            border-top: 5px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 45px;
            width: auto;
            margin-bottom: 15px;
            filter: brightness(0) invert(1);
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 20px;
            position: relative;
            color: var(--color-yellow);
        }

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

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

        .footer-col a {
            color: #cbd5e1;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--color-yellow);
        }

        .footer-info {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.8;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-copyright {
            font-size: 12px;
            color: #94a3b8;
        }

        .friend-links {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            font-size: 12px;
        }

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

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

        /* 浮动客服 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-btn {
            background-color: var(--color-yellow);
            border: 3px solid var(--border-color);
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 3px 3px 0px var(--border-color);
            position: relative;
        }

        .widget-btn:hover {
            background-color: var(--color-accent);
        }

        .widget-btn svg {
            width: 24px;
            height: 24px;
        }

        .qr-popup {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #ffffff;
            border: 3px solid var(--border-color);
            padding: 15px;
            box-shadow: var(--shadow-neo);
            display: none;
            text-align: center;
            width: 150px;
        }

        .qr-popup img {
            width: 120px;
            height: 120px;
            display: block;
            margin: 0 auto 5px auto;
        }

        .qr-popup p {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .widget-btn:hover .qr-popup {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .about-grid, .form-grid, .grid-2col, .faq-layout {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .three-column-grid, .cases-grid, .news-grid, .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .flow-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            h1 { font-size: 32px !important; }
            .section-title { font-size: 24px; }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                border-bottom: 3px solid var(--border-color);
                flex-direction: column;
                padding: 20px;
                gap: 10px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-actions {
                display: none;
            }
            .flow-container {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }