:root {
            --primary: #00c853;
            --primary-hover: #00e676;
            --primary-light: #e8f5e9;
            --dark: #121d17;
            --text-main: #1a2520;
            --text-muted: #5c6b63;
            --bg-light: #f5fbf7;
            --bg-white: #ffffff;
            --border-color: #e1ede6;
            --shadow: 0 8px 30px rgba(0, 200, 83, 0.06);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 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 20px 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;
        }

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

        .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 10px;
        }

        .nav-menu a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .nav-btns {
            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;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            font-size: 0.95rem;
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 200, 83, 0.4);
        }

        /* 移动端导航切换按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* Section 通用样式 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
            background: var(--bg-white);
        }

        section:nth-child(even) {
            background: var(--bg-light);
        }

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

        .section-tag {
            display: inline-block;
            padding: 5px 15px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: 50px;
            margin-bottom: 15px;
            text-transform: uppercase;
        }

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

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

        /* Hero首屏 - 无图，纯科技感布局 */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, #102a1b 0%, #06120c 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -20%;
            width: 60%;
            height: 60%;
            background: radial-gradient(circle, rgba(0, 200, 83, 0.15) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 25px;
            color: #ffffff;
        }

        .hero-title span {
            color: var(--primary-hover);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: #c7dcd0;
            margin-bottom: 40px;
            max-width: 750px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .hero-badge-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        .hero-badge-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 8px 18px;
            border-radius: 4px;
            font-size: 0.9rem;
            color: #e2f0e8;
        }

        /* 数据指标卡片 */
        .indicators-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -60px;
            position: relative;
            z-index: 10;
        }

        .indicator-card {
            background: var(--bg-white);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(0,0,0,0.06);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .indicator-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .indicator-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .indicator-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 关于我们与平台介绍 */
        .about-split {
            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;
            font-weight: 700;
        }

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

        .about-features {
            list-style: none;
        }

        .about-features li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            color: var(--text-main);
            font-weight: 500;
        }

        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--primary);
            font-weight: 900;
            font-size: 1.2rem;
        }

        .about-promo-box {
            background: var(--primary-light);
            padding: 40px;
            border-radius: 16px;
            border-left: 6px solid var(--primary);
        }

        .promo-title {
            font-size: 1.4rem;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .promo-desc {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        /* 全平台AIGC服务 (模型网格) */
        .model-list-container {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow);
        }

        .model-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 15px;
        }

        .model-tag {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 12px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            color: var(--text-main);
        }

        .model-tag:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* 一站式AIGC制作 - 核心场景 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .scenario-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .scenario-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .scenario-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 全行业解决方案 */
        .solution-tabs-container {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: start;
        }

        .solution-menu {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .solution-menu-item {
            padding: 15px 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: left;
        }

        .solution-menu-item.active, .solution-menu-item:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .solution-content {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            min-height: 300px;
        }

        .solution-pane {
            display: none;
        }

        .solution-pane.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        /* 全国服务网络 */
        .network-section {
            background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
        }

        .network-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .network-map-placeholder {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            height: 380px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
        }

        .network-map-inner {
            width: 90%;
            height: 90%;
            border: 2px dashed rgba(0,200,83,0.3);
            border-radius: 8px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            background: radial-gradient(circle, rgba(0,200,83,0.02) 0%, transparent 80%);
        }

        .network-node {
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(0, 200, 83, 0.2);
            animation: pulse 2s infinite;
        }

        .node-1 { top: 30%; left: 45%; }
        .node-2 { top: 50%; left: 70%; }
        .node-3 { top: 70%; left: 60%; }
        .node-4 { top: 60%; left: 35%; }
        .node-5 { top: 40%; left: 20%; }
        .node-6 { top: 55%; left: 52%; } /* 关中/商洛定位 */

        .network-label {
            position: absolute;
            background: var(--dark);
            color: white;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            white-space: nowrap;
        }

        .lbl-center { top: 47%; left: 52%; background: var(--primary); }

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

        .network-item {
            background: var(--bg-white);
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

        .network-item h4 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

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

        /* 流程步骤 & 技术标准 */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-timeline::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 50px;
            right: 50px;
            height: 4px;
            background: var(--border-color);
            z-index: 1;
        }

        .step-card {
            background: var(--bg-white);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            position: relative;
            z-index: 2;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .step-num {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.25rem;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(0,200,83,0.3);
            border: 4px solid white;
        }

        .step-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 案例展示 - 整合图片资源 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

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

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

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #eef5f0;
            position: relative;
        }

        .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: 20px;
        }

        .case-tag {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            display: block;
        }

        .case-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

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

        /* 对比评测 */
        .comparison-container {
            background: var(--bg-white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow);
        }

        .rating-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--primary-light);
            border-radius: 12px;
            padding: 20px 30px;
            margin-bottom: 30px;
        }

        .rating-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark);
        }

        .rating-stars {
            color: #ff9800;
            font-size: 1.5rem;
            letter-spacing: 2px;
        }

        .rating-score {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
        }

        .rating-score span {
            font-size: 1.1rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

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

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

        .comparison-table th {
            background-color: var(--bg-light);
            font-weight: 700;
            color: var(--dark);
        }

        .comparison-table tr:hover {
            background-color: rgba(0, 200, 83, 0.02);
        }

        .comp-best {
            color: var(--primary);
            font-weight: 700;
        }

        /* Token 比价参考 & 价格参考 */
        .token-grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr;
            gap: 40px;
            align-items: start;
        }

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

        /* 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px 15px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .training-icon {
            width: 55px;
            height: 55px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto 15px auto;
        }

        .training-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.3;
        }

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

        /* 常见用户问题 FAQ + 折叠面板 */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

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

        .faq-header {
            padding: 18px 25px;
            background: var(--bg-white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
            color: var(--dark);
        }

        .faq-header:hover {
            background: var(--bg-light);
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: var(--transition);
            color: var(--primary);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--bg-white);
        }

        .faq-content {
            padding: 0 25px 20px 25px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-body {
            max-height: 200px;
        }

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

        .faq-item.active .faq-content {
            border-top-color: var(--border-color);
        }

        /* 常见问题自助排查 & AI术语百科 */
        .troubleshoot-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .troubleshoot-box, .encyclopedia-box {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

        .troubleshoot-list, .encyclopedia-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .troubleshoot-item, .encyclopedia-item {
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 12px;
        }

        .troubleshoot-item:last-child, .encyclopedia-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .troubleshoot-q, .encyclopedia-term {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 5px;
            font-size: 0.95rem;
        }

        .troubleshoot-a, .encyclopedia-def {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 客户评论卡片 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            position: relative;
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .review-quote {
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
        }

        .author-info h4 {
            font-size: 0.9rem;
            color: var(--dark);
        }

        .author-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .news-links-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .news-link-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            text-decoration: none;
            transition: var(--transition);
        }

        .news-link-card:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        .news-link-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dark);
            word-break: break-all;
        }

        /* 加盟代理 */
        .agent-section {
            background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
        }

        .agent-banner {
            background: var(--dark);
            color: white;
            border-radius: 16px;
            padding: 50px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .agent-text h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: #ffffff;
        }

        .agent-text h3 span {
            color: var(--primary-hover);
        }

        .agent-text p {
            color: #b0cbbd;
            margin-bottom: 25px;
            font-size: 1.05rem;
        }

        .agent-cta {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
        }

        .agent-cta h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        /* 智能需求匹配与联系我们表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: start;
        }

        .contact-info-panel {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 12px;
        }

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

        .info-icon {
            font-size: 1.2rem;
            color: var(--primary);
            background: var(--primary-light);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .info-details h4 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .info-details p, .info-details a {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-decoration: none;
        }

        .info-qr {
            margin-top: 25px;
            text-align: center;
        }

        .info-qr img {
            width: 140px;
            height: 140px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 5px;
            background: white;
        }

        .info-qr p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 5px;
        }

        .contact-form-panel {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }

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

        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1.5px solid var(--border-color);
            border-radius: 6px;
            background: var(--bg-light);
            color: var(--text-main);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background: white;
            box-shadow: 0 0 0 4px rgba(0, 200, 83, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* 标签云、时间线等小组件 */
        .widget-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 50px;
        }

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

        .widget-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .timeline {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .timeline-item {
            display: flex;
            gap: 15px;
        }

        .timeline-time {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
            min-width: 70px;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 页脚 */
        footer {
            background: var(--dark);
            color: #d1dfd7;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

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

        .footer-brand h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .footer-brand p {
            color: #8da496;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-links h5, .footer-contact h5 {
            color: white;
            margin-bottom: 20px;
            font-size: 1rem;
            position: relative;
        }

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

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

        .footer-links ul li a {
            color: #8da496;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links ul li a:hover {
            color: var(--primary-hover);
        }

        .friend-links-box {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }

        .friend-links-box h6 {
            color: white;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        .friend-links-box a {
            color: #8da496;
            text-decoration: none;
            margin-right: 15px;
            font-size: 0.8rem;
            display: inline-block;
            margin-bottom: 8px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.8rem;
            color: #8da496;
        }

        .footer-bottom a {
            color: #8da496;
            text-decoration: none;
        }

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

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            text-decoration: none;
            font-weight: 700;
            font-size: 0.75rem;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .float-btn:hover {
            background: var(--primary-hover);
            transform: scale(1.1);
        }

        .float-qr-hover {
            position: relative;
        }

        .float-qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
        }

        .float-qr-popover img {
            width: 130px;
            height: 130px;
        }

        .float-qr-popover p {
            color: var(--text-main);
            font-size: 0.75rem;
            margin-top: 5px;
        }

        .float-qr-hover:hover .float-qr-popover {
            display: block;
        }

        /* Keyframes */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes pulse {
            0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.4); }
            70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(0, 200, 83, 0); }
            100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 200, 83, 0); }
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .indicators-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-links-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                display: none;
                gap: 10px;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-btns {
                display: none;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .about-split, .solution-tabs-container, .network-layout, .token-grid, .contact-grid, .agent-banner {
                grid-template-columns: 1fr;
            }
            .step-timeline {
                grid-template-columns: 1fr;
            }
            .step-timeline::before {
                display: none;
            }
            .scenario-grid, .case-grid, .reviews-grid, .news-links-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: 1fr 1fr;
            }
            .widget-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }