:root {
            --neon-cyan: #00f0ff;
            --neon-green: #39ff14;
            --neon-pink: #ff007f;
            --primary-dark: #0f172a;
            --body-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #334155;
            --text-heading: #0f172a;
            --border-color: #e2e8f0;
            --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.4);
            --glow-green: 0 0 15px rgba(57, 255, 20, 0.4);
        }

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

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

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

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--primary-dark);
            background: linear-gradient(135deg, var(--primary-dark), #4f46e5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
        }

        .nav-link:hover {
            color: var(--neon-cyan);
            text-shadow: 0 0 5px rgba(0,240,255,0.2);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary-dark), #1e293b);
            color: #fff;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            border: 2px solid transparent;
            box-shadow: var(--glow-cyan);
        }

        .nav-btn:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
        }

        /* 移动端菜单按钮 */
        .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(--primary-dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 首屏 Hero 区域 (无图片) */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.08), transparent 40%),
                        radial-gradient(circle at 20% 80%, rgba(57, 255, 20, 0.08), transparent 40%),
                        linear-gradient(to bottom, #ffffff, var(--body-bg));
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green), var(--neon-pink));
        }

        .badge-glow {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--neon-cyan);
            border-radius: 50px;
            color: #0891b2;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 25px;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary-dark);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, #0284c7, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 35px;
            color: var(--text-main);
        }

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

        .btn-glow-primary {
            background: linear-gradient(135deg, var(--neon-cyan), #0284c7);
            color: #0f172a;
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-glow-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5);
        }

        .btn-glow-secondary {
            background: #fff;
            color: var(--primary-dark);
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 700;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        .btn-glow-secondary:hover {
            border-color: var(--neon-green);
            color: #15803d;
            box-shadow: 0 0 15px rgba(57, 255, 20, 0.2);
            transform: translateY(-2px);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 15px); /* JS 动态控制 */
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 60px;
        }

        .stat-card {
            background: var(--card-bg);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            border-color: var(--neon-cyan);
            transform: translateY(-5px);
            box-shadow: var(--glow-cyan);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            background: linear-gradient(135deg, var(--primary-dark), var(--neon-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-main);
            font-weight: 600;
        }

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

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-weight: 800;
        }

        .section-header p {
            color: var(--text-main);
            font-size: 1.05rem;
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }

        .about-tagline {
            font-weight: 700;
            color: #0284c7;
            margin-bottom: 15px;
        }

        .about-bullets {
            margin-top: 25px;
            list-style: none;
        }

        .about-bullets li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .about-bullets li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--neon-green);
            font-weight: 900;
        }

        .about-highlight-card {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(57, 255, 20, 0.05));
            border: 2px dashed var(--neon-cyan);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .about-highlight-card h4 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

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

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s ease;
        }

        .service-card:hover {
            border-color: var(--neon-pink);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.15);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: rgba(255, 0, 127, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--neon-pink);
            margin-bottom: 20px;
        }

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

        .service-card p {
            font-size: 0.95rem;
        }

        /* 平台聚合标签云 */
        .platform-cloud {
            margin-top: 50px;
            padding: 30px;
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .platform-cloud h4 {
            margin-bottom: 20px;
            color: var(--primary-dark);
        }

        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .tag-item {
            padding: 6px 14px;
            background: #f1f5f9;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            transition: 0.3s;
        }

        .tag-item:hover {
            background: var(--primary-dark);
            color: #fff;
            border-color: var(--primary-dark);
        }

        /* 流程步骤 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            position: relative;
        }

        .step-card {
            background: var(--card-bg);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            position: relative;
            text-align: center;
        }

        .step-num {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 35px;
            height: 35px;
            border-radius: 50%;
            background: var(--primary-dark);
            color: var(--neon-cyan);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--glow-cyan);
        }

        .step-card h3 {
            margin-top: 15px;
            font-size: 1.15rem;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        /* 技术与交付标准 */
        .standards-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .standard-box {
            background: var(--card-bg);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .standard-box h3 {
            color: var(--primary-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }

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

        .standard-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
        }

        .standard-list li span:first-child {
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* 对比评测 */
        .eval-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 30px;
        }

        .score-card {
            background: linear-gradient(135deg, var(--primary-dark), #1e293b);
            color: #fff;
            padding: 40px;
            border-radius: 16px;
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            box-shadow: var(--glow-cyan);
        }

        .score-title {
            font-size: 1.2rem;
            color: var(--neon-cyan);
            font-weight: 700;
            margin-bottom: 15px;
        }

        .score-val {
            font-size: 4.5rem;
            font-weight: 900;
            line-height: 1;
            color: #fff;
        }

        .score-max {
            font-size: 1.2rem;
            color: #94a3b8;
            margin-bottom: 20px;
        }

        .stars {
            font-size: 1.8rem;
            color: #fbbf24;
            margin-bottom: 10px;
        }

        .eval-table-wrapper {
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            overflow-x: auto;
        }

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

        .eval-table th, .eval-table td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }

        .eval-table th {
            background: #f1f5f9;
            color: var(--primary-dark);
            font-weight: 700;
        }

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

        .badge-best {
            background: rgba(57, 255, 20, 0.1);
            color: #166534;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 700;
            border: 1px solid var(--neon-green);
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: 0.3s;
        }

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

        .case-img-holder {
            width: 100%;
            height: 200px;
            background: #e2e8f0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(0, 240, 255, 0.1);
            color: #0369a1;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-info h3 {
            font-size: 1.2rem;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }

        .price-list-box {
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            padding: 30px;
        }

        .price-table {
            width: 100%;
            border-collapse: collapse;
        }

        .price-table th, .price-table td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

        .price-table th {
            text-align: left;
            color: var(--primary-dark);
        }

        .highlight-green {
            color: #16a34a;
            font-weight: 700;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .course-card {
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            padding: 25px;
            transition: 0.3s;
            position: relative;
            overflow: hidden;
        }

        .course-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--neon-cyan);
        }

        .course-card:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(0, 240, 255, 0.1);
        }

        .course-card h3 {
            font-size: 1.1rem;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .course-meta {
            font-size: 0.8rem;
            color: var(--neon-pink);
            font-weight: 700;
            margin-bottom: 10px;
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .comment-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            position: relative;
        }

        .comment-quote {
            font-size: 0.95rem;
            font-style: italic;
            margin-bottom: 20px;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }

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

        .user-info span {
            font-size: 0.8rem;
            color: #64748b;
        }

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

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-trigger {
            width: 100%;
            background: none;
            border: none;
            padding: 20px;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--text-main);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-trigger::after {
            transform: rotate(45deg);
        }

        .faq-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #f8fafc;
        }

        .faq-panel-content {
            padding: 20px;
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

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

        .kb-box {
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            padding: 30px;
        }

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

        /* 行业资讯最新文章 */
        .article-list {
            list-style: none;
        }

        .article-item {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
        }

        .article-item:last-child {
            border-bottom: none;
        }

        .article-item a {
            display: block;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 5px;
        }

        .article-item a:hover {
            color: var(--neon-cyan);
        }

        .article-meta {
            font-size: 0.8rem;
            color: #64748b;
        }

        /* 智能需求匹配与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 40px;
        }

        .form-box {
            background: var(--card-bg);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            background-color: #f8fafc;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
        }

        .contact-info-box {
            background: var(--primary-dark);
            color: #fff;
            padding: 40px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-header h3 {
            font-size: 1.5rem;
            color: var(--neon-cyan);
            margin-bottom: 20px;
        }

        .info-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .info-list li {
            margin-bottom: 15px;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .qr-area {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 8px;
            border: 1px dashed rgba(0, 240, 255, 0.3);
        }

        .qr-area img {
            width: 130px;
            height: 130px;
            margin-bottom: 10px;
            border-radius: 4px;
        }

        /* 页脚 */
        footer {
            background-color: var(--primary-dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 3px solid var(--neon-cyan);
        }

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

        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--neon-green);
        }

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

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

        .footer-links a:hover {
            color: var(--neon-cyan);
        }

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

        .friend-links a {
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        .friend-links a:hover {
            background: var(--neon-cyan);
            color: var(--primary-dark);
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* 浮动客服入口 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--card-bg);
            border: 2px solid var(--neon-cyan);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            cursor: pointer;
            position: relative;
        }

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

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--primary-dark);
        }

        .float-qr-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--card-bg);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
            display: none;
            width: 160px;
            border: 1px solid var(--border-color);
        }

        .float-qr-pop img {
            width: 100%;
            height: auto;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.3rem; }
            .about-grid, .standards-container, .eval-grid, .token-grid, .kb-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }