/* 变量及全局重置 */
        :root {
            --primary-gradient: linear-gradient(135deg, #ff007f 0%, #7928ca 50%, #00dfd8 100%);
            --secondary-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
            --accent-gradient: linear-gradient(135deg, #ff0844 0%, #ffb199 100%);
            --bg-light: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --primary-color: #7928ca;
            --accent-color: #ff007f;
            --border-color: #e2e8f0;
            --container-max-width: 1200px;
        }

        * {
            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;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 20px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px auto;
            font-size: 1.1rem;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-wrapper {
            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-text {
            font-size: 1.5rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            font-weight: 500;
            color: var(--text-main);
            font-size: 0.95rem;
            padding: 5px 10px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--accent-color);
            background-color: rgba(255, 0, 127, 0.05);
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: #fff !important;
            padding: 8px 18px !important;
            border-radius: 50px !important;
            box-shadow: 0 4px 15px rgba(121, 40, 202, 0.3);
        }

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

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 1. Hero首屏 (高饱和艳彩风，无图片) */
        .hero-section {
            background: radial-gradient(circle at 90% 10%, rgba(0, 223, 216, 0.15) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(255, 0, 127, 0.12) 0%, transparent 40%),
                        #ffffff;
            padding: 100px 0 120px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.1);
            color: var(--accent-color);
            font-weight: 700;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: 1px solid rgba(255, 0, 127, 0.2);
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 25px;
            letter-spacing: -1px;
        }

        .hero-title span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

        .hero-btns {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            padding: 15px 35px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 10px 30px rgba(121, 40, 202, 0.35);
            border: none;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(121, 40, 202, 0.5);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-main);
            padding: 15px 35px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            border-color: var(--text-main);
            background-color: var(--bg-light);
        }

        /* 2. 关于我们与软件介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

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

        .feature-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }

        .feature-tag {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
        }

        /* 数据指标卡片 */
        .metrics-bar {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .metric-item {
            border-right: 1px solid var(--border-color);
        }

        .metric-item:last-child {
            border-right: none;
        }

        .metric-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .metric-label {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 600;
        }

        /* 3. 全平台AIGC服务体系 & 4. 全自动流程 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity 0.3s;
        }

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

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(121, 40, 202, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
            color: var(--primary-color);
        }

        .service-card h4 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

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

        /* 流程步骤 & 标准化服务流程 & 时间线 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 50px;
            position: relative;
        }

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

        .step-number {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px auto;
            box-shadow: 0 8px 20px rgba(121, 40, 202, 0.3);
        }

        .process-step h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            font-weight: 700;
        }

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

        /* 5. 全行业解决方案 */
        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 10px 24px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .tab-btn.active, .tab-btn:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 15px rgba(121, 40, 202, 0.2);
        }

        .solutions-content {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .solution-panel {
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .solution-panel.active {
            display: grid;
        }

        .solution-text h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .solution-text ul {
            list-style: none;
            margin-top: 20px;
        }

        .solution-text li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            color: var(--text-muted);
        }

        .solution-text li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: 900;
        }

        /* 6. 全国服务网络 & 7. 技术标准 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
        }

        .network-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .network-map-placeholder {
            background: linear-gradient(135deg, #1e1e38 0%, #0f0c1b 100%);
            border-radius: 20px;
            padding: 40px;
            color: #fff;
            text-align: center;
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .map-dots {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 20px;
        }

        .map-dot {
            background: rgba(255,255,255,0.1);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            border: 1px solid rgba(255,255,255,0.2);
            color: #00dfd8;
        }

        /* 9. 客户案例中心 */
        .case-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);
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .case-img-wrap {
            position: relative;
            background: #eaeaea;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform 0.5s;
        }

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

        .case-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--accent-gradient);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .case-info {
            padding: 25px;
        }

        .case-info h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 10. 对比评测 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: #fafbfc;
            font-weight: 700;
            color: var(--text-main);
        }

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

        .comparison-table td strong {
            color: var(--accent-color);
        }

        .rating-badge {
            background: var(--primary-gradient);
            color: #fff;
            padding: 15px;
            border-radius: 12px;
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            box-shadow: 0 8px 25px rgba(121,40,202,0.2);
            text-align: center;
        }

        .rating-num {
            font-size: 2.2rem;
            line-height: 1;
        }

        .rating-stars {
            color: #ffd700;
            margin-top: 5px;
            font-size: 1.1rem;
        }

        /* 11. 智能需求匹配表单 */
        .form-section {
            background: linear-gradient(135deg, rgba(121, 40, 202, 0.05) 0%, rgba(255, 0, 127, 0.05) 100%), #fff;
        }

        .form-container {
            max-width: 800px;
            margin: 0 auto;
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 25px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            background-color: var(--bg-light);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary-color);
            background-color: #fff;
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .token-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all 0.3s;
        }

        .token-card.popular {
            border: 2px solid var(--accent-color);
            transform: scale(1.03);
            position: relative;
        }

        .token-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-gradient);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .token-card h4 {
            font-size: 1.4rem;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-color);
            margin: 15px 0;
        }

        .token-price span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .token-features {
            list-style: none;
            margin-bottom: 25px;
            text-align: left;
            display: inline-block;
        }

        .token-features li {
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .training-card {
            background: #fff;
            border-radius: 20px;
            padding: 35px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .training-card h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 15px;
        }

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

        .course-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 18px;
            background: var(--bg-light);
            border-radius: 10px;
            font-weight: 600;
        }

        .course-tag {
            background: var(--primary-gradient);
            color: #fff;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
        }

        /* 15. 帮助中心 & 16. FAQ & 17. 故障排查 & 18. 百科 */
        .help-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-trigger {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

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

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

        .faq-content-inner {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        /* 19. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }

        .news-body {
            padding: 25px;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: block;
        }

        .news-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

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

        .news-excerpt {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }

        .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);
            position: relative;
        }

        .review-quote {
            font-size: 2.5rem;
            color: rgba(255, 0, 127, 0.1);
            position: absolute;
            top: 10px;
            left: 20px;
            line-height: 1;
            font-family: Georgia, serif;
        }

        .review-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

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

        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--secondary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
        }

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

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

        /* 20. 联系我们 & 页脚 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 50px;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .contact-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(0, 242, 254, 0.1);
            color: #4facfe;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .contact-text h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
            font-weight: 700;
        }

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

        .contact-qrcode {
            display: flex;
            gap: 20px;
            align-items: center;
            background: #fff;
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            max-width: 350px;
        }

        .contact-qrcode img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
        }

        .qrcode-info h5 {
            font-size: 1rem;
            margin-bottom: 5px;
        }

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

        /* 底部信息区 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 15px;
            font-weight: 900;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-links h5 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
        }

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

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

        .friend-links a {
            background: #1e293b;
            color: #cbd5e1;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            border: 1px solid #334155;
        }

        .friend-links a:hover {
            background: var(--accent-gradient);
            color: #fff;
            border-color: transparent;
        }

        .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: 0.85rem;
        }

        /* 悬浮客服 */
        .floating-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            background: var(--primary-gradient);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            box-shadow: 0 10px 25px rgba(121, 40, 202, 0.4);
            cursor: pointer;
            transition: all 0.3s;
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .floating-panel {
            position: absolute;
            bottom: 75px;
            right: 0;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
            padding: 20px;
            display: none;
            width: 250px;
            border: 1px solid var(--border-color);
            color: var(--text-main);
        }

        .floating-panel.active {
            display: block;
        }

        .floating-panel img {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .case-grid, .token-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 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;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                padding: 20px;
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .about-grid, .solution-panel, .network-grid, .training-grid, .help-layout, .contact-layout {
                grid-template-columns: 1fr;
            }
            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid, .token-grid, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }