:root {
            --primary: #0052cc;
            --primary-light: #e6f0ff;
            --secondary: #00c853;
            --secondary-light: #e8f9ed;
            --dark: #1e293b;
            --light-bg: #f8fafc;
            --border-color: #e2e8f0;
            --text-muted: #64748b;
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #003d99;
        }

        /* 布局容器 */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            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;
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

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

        .nav-menu a {
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            font-size: 0.95rem;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background-color: #003d99;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,82,204,0.2);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* 页面区块通用样式 */
        section {
            padding: 80px 0;
            position: relative;
            background-color: #fff;
        }

        .section-light {
            background-color: var(--light-bg);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 50px auto;
        }

        .section-badge {
            display: inline-block;
            padding: 5px 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: 50px;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.3;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* Hero 首屏 - 纯净科技风（无图片） */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 90px;
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,82,204,0.08) 0%, rgba(255,255,255,0) 70%);
            top: -100px;
            right: -100px;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-h1 span {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 35px;
            line-height: 1.6;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            background: #fff;
            padding: 24px 20px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,82,204,0.08);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 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;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            display: flex;
            gap: 12px;
        }

        .about-feat-item svg {
            width: 24px;
            height: 24px;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .about-feat-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .about-feat-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        .about-card-visual {
            background: linear-gradient(135deg, var(--primary-light) 0%, #f0f6ff 100%);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .about-card-title {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--primary);
        }

        /* 全平台AIGC服务体系 & 软件介绍 */
        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 30px;
            margin-bottom: 50px;
        }

        .model-tag {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .model-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 制作流程 & 服务全流程 (混合设计：时间线与步骤) */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .process-step {
            position: relative;
            text-align: center;
        }

        .step-num {
            width: 45px;
            height: 45px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 20px auto;
            font-size: 1.1rem;
            box-shadow: 0 4px 10px rgba(0,82,204,0.25);
        }

        .process-step h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .process-step p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 全行业解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
        }

        .solution-body {
            padding: 30px;
        }

        .solution-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .solution-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .solution-features {
            list-style: none;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
        }

        .solution-features li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .solution-features svg {
            color: var(--secondary);
            width: 16px;
            height: 16px;
        }

        /* 全国服务网络 & 技术标准 */
        .network-section {
            background: radial-gradient(circle at 10% 20%, #f4f8ff 0%, #ffffff 90%);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .network-visual {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
            border: 1px solid var(--border-color);
            min-height: 350px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .network-item {
            border-left: 3px solid var(--primary);
            padding-left: 15px;
        }

        .network-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .network-item p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 案例展示区 (含图) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.06);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: var(--light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            padding: 3px 8px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-info h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.88rem;
        }

        /* 对比评测 */
        .compare-section {
            background-color: var(--light-bg);
        }

        .compare-header-box {
            background: var(--primary-light);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            border: 1px solid rgba(0,82,204,0.1);
        }

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

        .score-num {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-stars {
            color: #ff9800;
            font-size: 1.3rem;
        }

        .score-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .score-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .compare-table-wrapper {
            overflow-x: auto;
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: #fafbfc;
            font-weight: 700;
            color: var(--dark);
        }

        .compare-table tbody tr:hover {
            background-color: var(--light-bg);
        }

        .text-highlight {
            color: var(--primary);
            font-weight: 700;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 20px;
        }

        .token-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
        }

        .token-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            color: var(--primary);
        }

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

        .price-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 0.92rem;
        }

        .price-item:last-child {
            border: none;
        }

        .price-item span:last-child {
            font-weight: 700;
            color: var(--secondary);
        }

        /* 培训板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .training-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }

        .training-icon {
            width: 40px;
            height: 40px;
            margin: 0 auto 15px auto;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .training-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .training-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 帮助中心 & 百科 & 自助排查 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }

        .help-box {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

        .help-box h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }

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

        .help-list li {
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .help-list a {
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .help-list a:hover {
            color: var(--primary);
        }

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

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

        .faq-trigger {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            transition: var(--transition);
        }

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

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

        .faq-content p {
            padding: 18px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .review-rating {
            color: #ff9800;
            margin-bottom: 12px;
        }

        .review-text {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .author-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .author-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 资讯与知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .news-list-box {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

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

        .news-item {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-item:last-child {
            border: none;
        }

        .news-link {
            color: var(--dark);
            font-size: 0.95rem;
            font-weight: 500;
        }

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

        .news-date {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 需求表单与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-card {
            background: #fff;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

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

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0,82,204,0.1);
        }

        textarea.form-control {
            resize: vertical;
            height: 120px;
        }

        .contact-info-card {
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-methods {
            margin-bottom: 30px;
        }

        .contact-method-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 25px;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
        }

        .contact-detail h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .contact-detail p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .qrcode-box {
            text-align: center;
            background: #fff;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }

        .qrcode-box img {
            width: 120px;
            height: 120px;
            object-fit: contain;
            margin-bottom: 10px;
        }

        .qrcode-box p {
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 1px solid #334155;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-about p {
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

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

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

        .footer-links a {
            color: #94a3b8;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid #334155;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 10px;
        }

        .friend-links a {
            color: #64748b;
            font-size: 0.8rem;
        }

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

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

        .sticky-btn {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,82,204,0.3);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .sticky-btn:hover {
            transform: scale(1.08);
        }

        .sticky-popover {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            width: 160px;
            text-align: center;
        }

        .sticky-popover img {
            width: 130px;
            height: 130px;
            object-fit: contain;
            margin-bottom: 5px;
        }

        .sticky-popover p {
            font-size: 0.8rem;
            color: var(--dark);
            font-weight: 600;
        }

        .sticky-btn:hover .sticky-popover {
            display: block;
        }

        .back-to-top {
            display: none;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .case-grid, .solution-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

            .nav-toggle {
                display: block;
            }

            .hero-h1 {
                font-size: 2.1rem;
            }

            .about-grid, .network-grid, .contact-grid, .token-grid, .news-grid {
                grid-template-columns: 1fr;
            }

            .process-flow {
                grid-template-columns: 1fr;
            }

            .process-step::after {
                display: none;
            }

            .help-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .service-grid, .case-grid, .solution-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }

            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }