:root {
            --primary-color: #FF5500;
            --primary-hover: #E63900;
            --primary-light: #FFF0E6;
            --text-dark: #222222;
            --text-gray: #666666;
            --bg-light: #FAF9F8;
            --bg-white: #FFFFFF;
            --border-color: #EEEEEE;
            --card-shadow: 0 10px 30px rgba(255, 85, 0, 0.05);
            --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(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
        }

        .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;
        }

        .logo-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: 1px;
        }

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

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 24px;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 4px;
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

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

        .nav-btn {
            background-color: var(--primary-color);
            color: var(--bg-white);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 0.9rem;
            border: 1px solid var(--primary-color);
        }

        .nav-btn:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            box-shadow: 0 4px 15px rgba(255, 85, 0, 0.2);
            color: var(--bg-white);
        }

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

        /* 页面大标题排版优化 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-color);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

        /* 1. Hero 首屏 - 科技感无图设计 */
        .hero-section {
            background: radial-gradient(circle at 90% 10%, #FFF5EE 0%, #FAF9F8 60%);
            padding: 100px 0 80px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,85,0,0.08) 0%, transparent 70%);
            top: -100px;
            left: -100px;
            pointer-events: none;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 10;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary-light), #FFE4D6);
            color: var(--primary-color);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: bold;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 85, 0, 0.2);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero-content h1 span {
            color: var(--primary-color);
            background: linear-gradient(135deg, var(--primary-color), #FF8800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-gray);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: var(--bg-white);
            padding: 16px 40px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(255, 85, 0, 0.25);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 85, 0, 0.35);
        }

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--text-dark);
            padding: 16px 40px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background-color: #F3F2F0;
            transform: translateY(-2px);
        }

        /* 典型数据卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
            border-top: 1px solid rgba(0,0,0,0.06);
            padding-top: 40px;
        }

        .stat-card {
            text-align: center;
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-gray);
            margin-top: 8px;
        }

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

        .bg-white-sec {
            background-color: var(--bg-white);
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

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

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

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .about-feat-item {
            padding: 15px;
            border-left: 3px solid var(--primary-color);
            background-color: var(--bg-light);
        }

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

        .about-feat-item p {
            font-size: 0.85rem;
            margin-bottom: 0;
        }

        .about-image-wrapper {
            position: relative;
        }

        .about-image-wrapper img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--border-color);
        }

        /* 3. 全平台AIGC服务 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .tag-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 10px 20px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            box-shadow: 0 2px 5px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .tag-item:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 85, 0, 0.1);
        }

        .tag-item.highlight {
            background: linear-gradient(135deg, var(--primary-color), #FF8800);
            color: var(--bg-white);
            border: none;
        }

        /* 4. 一站式AIGC制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: var(--primary-color);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-shadow);
            border-color: rgba(255, 85, 0, 0.2);
        }

        .service-card:hover::after {
            transform: scaleX(1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

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

        /* 5. 全行业解决方案 */
        .solutions-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .solutions-image img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

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

        .sol-item {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--bg-white);
            padding: 20px;
            cursor: pointer;
            transition: var(--transition);
        }

        .sol-item.active {
            border-color: var(--primary-color);
            box-shadow: var(--card-shadow);
        }

        .sol-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .sol-content {
            margin-top: 10px;
            color: var(--text-gray);
            font-size: 0.95rem;
            display: none;
        }

        .sol-item.active .sol-content {
            display: block;
        }

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .net-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 8px;
            text-align: center;
        }

        .net-city {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--primary-color);
        }

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

        /* 7. 标准化AIGC流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 24px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            display: inline-flex;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: var(--bg-white);
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }

        .process-step h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-gray);
        }

        /* 8. 技术标准 */
        .tech-standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .tech-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .tech-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--primary-light);
            color: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .tech-title {
            font-size: 1.15rem;
            font-weight: bold;
        }

        .tech-card p {
            color: var(--text-gray);
            font-size: 0.9rem;
        }

        /* 9. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .case-img-container {
            width: 100%;
            height: 250px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
            background-color: #f0f0f0;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            font-size: 0.8rem;
            color: var(--primary-color);
            font-weight: bold;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-info h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .case-info p {
            color: var(--text-gray);
            font-size: 0.9rem;
        }

        /* 10. 对比评测 */
        .eval-section {
            background-color: var(--bg-light);
        }

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

        .eval-summary {
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 30px;
            margin-bottom: 30px;
            gap: 20px;
        }

        .summary-block {
            text-align: center;
        }

        .summary-label {
            font-size: 1rem;
            color: var(--text-gray);
            margin-bottom: 8px;
        }

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

        .summary-stars {
            font-size: 2.2rem;
            color: #FFB800;
        }

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

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .eval-table th {
            background-color: #FDFDFD;
            font-weight: bold;
        }

        .eval-table td strong {
            color: var(--primary-color);
        }

        /* 11. 智能需求匹配 */
        .matching-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .match-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

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

        .match-steps {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .match-step-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .match-step-num {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

        .token-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .token-card.featured {
            border-color: var(--primary-color);
            box-shadow: var(--card-shadow);
            position: relative;
        }

        .token-card.featured::before {
            content: '最佳性价比';
            position: absolute;
            top: 12px;
            right: 12px;
            background-color: var(--primary-color);
            color: var(--bg-white);
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: bold;
        }

        .token-model {
            font-size: 1.25rem;
            font-weight: bold;
            margin-bottom: 12px;
        }

        .token-price {
            margin: 20px 0;
        }

        .token-price span {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
        }

        .token-unit {
            font-size: 0.85rem;
            color: var(--text-gray);
        }

        .token-list {
            list-style: none;
            text-align: left;
            margin-top: 20px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.9rem;
        }

        .token-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-gray);
        }

        .token-list li::before {
            content: '✓';
            color: var(--primary-color);
            font-weight: bold;
        }

        /* 13 & 14. 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

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

        .training-type {
            font-size: 0.8rem;
            background-color: var(--primary-light);
            color: var(--primary-color);
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 16px;
            font-weight: bold;
        }

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

        .training-card p {
            color: var(--text-gray);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .training-meta {
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            font-size: 0.85rem;
            color: var(--text-gray);
            display: flex;
            justify-content: space-between;
        }

        /* 15. 帮助中心 */
        .help-center-wrapper {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
        }

        .help-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .help-item h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .help-item h3::before {
            content: '●';
            color: var(--primary-color);
        }

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

        .help-item ul li a {
            color: var(--text-gray);
            font-size: 0.95rem;
        }

        .help-item ul li a:hover {
            color: var(--primary-color);
            padding-left: 4px;
        }

        /* 16 & 17. 常见用户问题 FAQ & 自助排查 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-btn {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-btn::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary-color);
            transition: var(--transition);
        }

        .faq-item.active .faq-btn::after {
            content: '−';
        }

        .faq-content {
            padding: 0 24px 20px 24px;
            color: var(--text-gray);
            font-size: 0.95rem;
            display: none;
        }

        .faq-item.active .faq-content {
            display: block;
        }

        /* 18. AI术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            transition: var(--transition);
        }

        .wiki-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-2px);
        }

        .wiki-term {
            font-weight: bold;
            font-size: 1.1rem;
            color: var(--primary-color);
            margin-bottom: 8px;
        }

        .wiki-def {
            font-size: 0.85rem;
            color: var(--text-gray);
        }

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

        .article-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-date {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 10px;
        }

        .article-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card p {
            font-size: 0.9rem;
            color: var(--text-gray);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .article-link {
            font-size: 0.9rem;
            color: var(--primary-color);
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
        }

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

        .review-text::before {
            content: '“';
            font-size: 3rem;
            color: rgba(255, 85, 0, 0.1);
            position: absolute;
            top: -20px;
            left: -10px;
        }

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

        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            font-weight: bold;
        }

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

        /* 20 & 21. 联系我们 & 加盟代理 */
        .contact-section {
            background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

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

        .agent-badge {
            display: inline-block;
            background-color: #FF5500;
            color: #ffffff;
            font-size: 0.8rem;
            font-weight: bold;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 20px;
        }

        .contact-list {
            margin-top: 30px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

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

        .contact-icon {
            font-size: 1.2rem;
            color: var(--primary-color);
            margin-top: 2px;
        }

        .contact-det h4 {
            font-size: 0.95rem;
            color: var(--text-gray);
            margin-bottom: 2px;
        }

        .contact-det p {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .qrcode-box {
            margin-top: 30px;
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px;
            background-color: var(--bg-light);
            border-radius: 8px;
        }

        .qrcode-box img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
        }

        .qrcode-text h5 {
            font-size: 1rem;
            margin-bottom: 4px;
        }

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

        /* 需求提交表单 */
        .form-panel {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.95rem;
            color: var(--text-dark);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.1);
        }

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

        .form-submit-btn {
            width: 100%;
            background-color: var(--primary-color);
            color: var(--bg-white);
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-size: 1.05rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            background-color: var(--primary-hover);
        }

        /* 页脚 */
        footer {
            background-color: #1a1a1a;
            color: #dddddd;
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
            border-top: 4px solid var(--primary-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand img {
            height: 40px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: #999999;
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-col h3 {
            color: var(--bg-white);
            font-size: 1.05rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary-color);
        }

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

        .footer-links li a {
            color: #999999;
            transition: var(--transition);
        }

        .footer-links li a:hover {
            color: var(--primary-color);
            padding-left: 4px;
        }

        .friend-links-sec {
            border-top: 1px solid #2e2e2e;
            padding-top: 20px;
            margin-top: 20px;
        }

        .friend-links-title {
            font-size: 0.85rem;
            color: #666666;
            margin-bottom: 10px;
            font-weight: bold;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links-list a {
            color: #888888;
            font-size: 0.8rem;
        }

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

        .footer-bottom {
            border-top: 1px solid #2e2e2e;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #666666;
        }

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .float-item:hover {
            background-color: var(--primary-color);
            color: var(--bg-white);
            transform: translateY(-2px);
        }

        .float-item .popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            width: 150px;
            text-align: center;
            color: var(--text-dark);
        }

        .float-item .popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .float-item .popover p {
            font-size: 0.8rem;
            margin-bottom: 0;
        }

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

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .services-grid,
            .tech-standards-grid,
            .token-grid,
            .training-grid,
            .help-grid,
            .articles-grid,
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .wiki-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(3, 1fr);
                gap: 15px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 16px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1.05rem;
            }
            .about-grid,
            .solutions-wrapper,
            .case-grid,
            .matching-grid,
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .services-grid,
            .tech-standards-grid,
            .token-grid,
            .training-grid,
            .help-grid,
            .articles-grid,
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }