:root {
            --primary: #0066ff;
            --primary-light: #e6f0ff;
            --secondary: #00f2fe;
            --dark: #0f172a;
            --light-bg: #f8fafc;
            --border-color: #e2e8f0;
            --text-main: #334155;
            --accent: #ff4757;
            --success: #2ed573;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

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

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

        /* 标题基础样式 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 8px auto 0;
            border-radius: 2px;
        }
        .section-header p {
            font-size: 1.1rem;
            color: #64748b;
        }

        /* 导航栏 */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            z-index: 1000;
            transition: all 0.3s ease;
        }
        .header-container {
            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;
        }
        .logo-area span {
            font-size: 1.25rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            transition: color 0.2s;
            font-size: 0.95rem;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .header-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            box-shadow: 0 4px 10px rgba(0,102,255,0.2);
            transition: transform 0.2s;
        }
        .header-btn:hover {
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 绝对禁止首屏有任何图片 */
        /* Hero 区域：极致鲜亮科技风，纯 CSS / 渐变设计 */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 242, 254, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
                        var(--light-bg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            box-shadow: 0 4px 6px rgba(0,102,255,0.05);
        }
        .hero-title {
            font-size: 3rem;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 25px;
            font-weight: 800;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.25rem;
            color: #64748b;
            margin-bottom: 40px;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 15px 35px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 30px;
            text-decoration: none;
            box-shadow: 0 8px 20px rgba(0, 102, 255, 0.3);
            transition: all 0.3s;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(0, 102, 255, 0.4);
        }
        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 13px 35px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 30px;
            text-decoration: none;
            transition: all 0.3s;
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        /* 核心数据卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }
        .stat-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px 20px;
            box-shadow: 0 10px 30px rgba(0, 102, 255, 0.05);
            border: 1px solid var(--border-color);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: #64748b;
            font-weight: 500;
        }

        /* 关于我们与软件介绍 */
        .section-padding {
            padding: 80px 0;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 20px;
        }
        .about-text p {
            margin-bottom: 20px;
            color: #55667d;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }
        .tag-item {
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .about-visual {
            background: #fff;
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 20px 40px rgba(0,0,0,0.03);
            position: relative;
        }
        .model-list-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .model-tag {
            background: #f1f5f9;
            color: var(--dark);
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            border: 1px solid #e2e8f0;
            transition: all 0.2s;
        }
        .model-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 服务体系与场景 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: #fff;
            border-radius: 16px;
            padding: 40px 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: all 0.3s;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,102,255,0.1);
            border-color: var(--primary);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-weight: bold;
        }
        .service-card h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 15px;
        }
        .service-card p {
            color: #64748b;
            font-size: 0.95rem;
        }

        /* 对比评测板块 */
        .compare-section {
            background: #fff;
            padding: 80px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .compare-highlight {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 30px;
            border-radius: 20px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 50px;
            box-shadow: 0 15px 30px rgba(0,102,255,0.15);
        }
        .highlight-item {
            text-align: center;
        }
        .highlight-item .val {
            font-size: 3rem;
            font-weight: 800;
        }
        .highlight-item .label {
            font-size: 1rem;
            opacity: 0.9;
        }
        .compare-table-wrapper {
            width: 100%;
            overflow-x: auto;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }
        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .compare-table th {
            background-color: var(--light-bg);
            color: var(--dark);
            font-weight: 700;
        }
        .compare-table tr:hover {
            background-color: rgba(0,102,255,0.01);
        }
        .compare-table .badge-check {
            color: var(--success);
            font-weight: bold;
        }
        .compare-table .badge-cross {
            color: var(--accent);
            font-weight: bold;
        }

        /* 流程步骤与时间线 */
        .step-timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        .step-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            transform: translateX(-50%);
        }
        .timeline-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 50px;
            position: relative;
        }
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        .timeline-badge {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
        }
        .timeline-panel {
            width: 45%;
            background: #fff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
        }
        .timeline-panel h4 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .timeline-panel p {
            color: #64748b;
            font-size: 0.9rem;
        }

        /* Token 比价 */
        .token-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .token-item {
            background: var(--light-bg);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
        }
        .token-item h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .token-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin: 10px 0;
        }
        .token-price span {
            font-size: 0.9rem;
            color: #64748b;
            font-weight: normal;
        }
        .token-desc {
            font-size: 0.85rem;
            color: #94a3b8;
        }

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: transform 0.3s;
        }
        .case-card:hover {
            transform: translateY(-5px);
        }
        .case-img-container {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #f1f5f9;
        }
        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-body {
            padding: 25px;
        }
        .case-tag {
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            display: inline-block;
        }
        .case-body h3 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .case-body p {
            color: #64748b;
            font-size: 0.9rem;
        }

        /* 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .training-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            position: relative;
            overflow: hidden;
        }
        .training-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }
        .training-card h3 {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 15px;
        }
        .training-card ul {
            list-style: none;
            margin-bottom: 25px;
        }
        .training-card ul li {
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: #64748b;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .training-card ul li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-text {
            font-style: italic;
            color: #475569;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .review-avatar {
            width: 45px;
            height: 45px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary);
        }
        .review-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }
        .review-info p {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: 12px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        .faq-trigger {
            width: 100%;
            padding: 20px 25px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-trigger::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.2s;
        }
        .faq-item.active .faq-trigger::after {
            content: '−';
        }
        .faq-content {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: #64748b;
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }
        .faq-item.active .faq-content {
            padding: 20px 25px;
            max-height: 200px;
            border-top-color: var(--border-color);
        }

        /* 术语百科与排查 */
        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .wiki-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }
        .wiki-card h3 {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }
        .wiki-item {
            margin-bottom: 15px;
        }
        .wiki-item dt {
            font-weight: 700;
            color: var(--dark);
            font-size: 0.95rem;
        }
        .wiki-item dd {
            color: #64748b;
            font-size: 0.85rem;
            margin-left: 0;
            margin-top: 5px;
        }

        /* 资讯与知识库 */
        .articles-list {
            margin-top: 30px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .article-link-card {
            background: #fff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-decoration: none;
            transition: all 0.2s;
        }
        .article-link-card:hover {
            border-color: var(--primary);
            transform: translateX(3px);
        }
        .article-link-card span {
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .article-link-card .arrow {
            color: var(--primary);
            font-weight: bold;
        }

        /* 表单与需求匹配 */
        .form-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
        }
        .form-section .section-header h2 {
            color: #fff;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .form-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .form-info p {
            color: #94a3b8;
            margin-bottom: 30px;
        }
        .form-card {
            background: #fff;
            padding: 40px;
            border-radius: 20px;
            color: var(--dark);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: var(--font);
            font-size: 0.95rem;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
        }
        .submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,102,255,0.2);
            transition: all 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0,102,255,0.3);
        }

        /* 侧边悬浮浮窗 */
        .floating-action {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: transform 0.2s;
        }
        .float-btn:hover {
            transform: translateY(-3px);
        }
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--primary);
        }
        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            display: none;
            width: 180px;
            text-align: center;
        }
        .float-popover img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }
        .float-popover p {
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--dark);
            font-weight: 600;
        }
        .float-btn:hover .float-popover {
            display: block;
        }

        /* 页脚区 */
        footer.site-footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 80px 0 30px;
            border-top: 1px solid #1e293b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand img {
            height: 40px;
            margin-bottom: 20px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact li {
            font-size: 0.9rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-qr {
            display: flex;
            gap: 15px;
            align-items: center;
        }
        .footer-qr-item {
            text-align: center;
        }
        .footer-qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 6px;
            background: #fff;
            padding: 3px;
        }
        .footer-qr-item p {
            font-size: 0.75rem;
            margin-top: 5px;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.8rem;
        }
        .footer-bottom-links {
            display: flex;
            gap: 15px;
        }
        .footer-bottom-links a {
            color: #94a3b8;
            text-decoration: none;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .ai-page-home-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: bold;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid, .service-grid, .cases-grid, .training-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .form-grid, .wiki-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .stats-grid, .service-grid, .cases-grid, .training-grid, .reviews-grid, .token-grid {
                grid-template-columns: 1fr;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 30px 20px;
                gap: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
            }
            .nav-links.active {
                transform: translateY(0);
            }
            .step-timeline::before {
                left: 20px;
            }
            .timeline-item {
                flex-direction: row !important;
                position: relative;
                padding-left: 50px;
            }
            .timeline-badge {
                left: 20px;
                transform: translateX(-50%);
            }
            .timeline-panel {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }