:root {
            --primary: #10B981;
            --primary-light: #D1FAE5;
            --primary-dark: #065F46;
            --accent: #34D399;
            --text-main: #1F2937;
            --text-muted: #4B5563;
            --bg-light: #F0FDF4;
            --bg-white: #FFFFFF;
            --border-color: #E5E7EB;
            --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;
            color: var(--text-main);
            background-color: var(--bg-light);
        }

        body {
            line-height: 1.6;
        }

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-main);
        }

        .brand img {
            height: 40px;
            width: auto;
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .nav-btn {
            background-color: var(--primary);
            color: white;
            padding: 8px 18px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: background-color 0.3s;
        }

        .nav-btn:hover {
            background-color: var(--primary-dark);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }

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

        /* Hero首屏 - 清新背景无图 */
        .hero {
            background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 50%, #F0FDF4 100%);
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(circle, rgba(52,211,153,0.15) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            background-color: var(--bg-white);
            color: var(--primary-dark);
            border: 1px solid var(--primary-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: 2.5rem;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 35px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
            padding: 14px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
            transition: all 0.3s;
        }

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

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--primary-dark);
            border: 1px solid var(--primary-light);
            padding: 14px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }

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

        /* 数据指标卡片 */
        .metrics-bar {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
            border: 1px solid rgba(16, 185, 129, 0.1);
        }

        .metric-item {
            text-align: center;
        }

        .metric-value {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

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

        /* 通用区块样式 */
        section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-header h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.5rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

        .about-content p {
            margin-bottom: 20px;
            color: var(--text-muted);
        }

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

        .about-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-weight: 500;
        }

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

        .about-image {
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* 全平台AIGC服务 & 一站式制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 32px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.25rem;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            background-color: var(--bg-light);
            color: var(--primary-dark);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 30px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
        }

        .solution-card h3 {
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

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

        /* 服务网络与标准化流程 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 24px;
            position: relative;
            text-align: center;
            border: 1px solid var(--border-color);
        }

        .step-num {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: 700;
        }

        .step-item h3 {
            font-size: 1.1rem;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

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

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .case-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .case-info {
            padding: 20px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

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

        /* 对比评测 */
        .evaluation-box {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--primary-light);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
        }

        .rating-summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 24px;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .stars-gold {
            color: #F59E0B;
            font-size: 1.75rem;
        }

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

        .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;
            border-bottom: 1px solid var(--border-color);
        }

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

        .highlight-td {
            background-color: rgba(209, 250, 229, 0.3);
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* Token比价与匹配 */
        .matcher-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .comparison-card, .matcher-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

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

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

        .token-item:last-child {
            border-bottom: none;
        }

        /* 培训中心 */
        .training-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .training-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 24px;
            border-top: 4px solid var(--accent);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .training-card h3 {
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        /* FAQ折叠面板 */
        .faq-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .faq-item {
            background-color: var(--bg-white);
            border-radius: 8px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.2rem;
            transition: transform 0.3s;
        }

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

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.9rem;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            padding: 18px 24px;
            max-height: 200px;
            border-top-color: var(--border-color);
        }

        /* 术语百科与排查 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .glossary-item {
            background-color: var(--bg-white);
            border-radius: 8px;
            padding: 20px;
            border-left: 3px solid var(--accent);
        }

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

        .review-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--border-color);
        }

        .review-author {
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .review-role {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        /* 资讯与链接 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-title {
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            margin-bottom: 12px;
            transition: color 0.3s;
        }

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

        /* 表单与联系 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-form {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.95rem;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
        }

        .form-submit {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 14px;
            width: 100%;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }

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

        .contact-info-panel {
            background-color: var(--primary-dark);
            color: white;
            padding: 40px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-panel h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

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

        .info-item {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
            background-color: white;
            padding: 4px;
        }

        .qr-label {
            font-size: 0.8rem;
            margin-top: 8px;
        }

        /* 友情链接 */
        .friend-links {
            background-color: var(--bg-white);
            padding: 30px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .friend-links-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        /* 页脚 */
        footer {
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

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

        .footer-logo {
            margin-bottom: 20px;
        }

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

        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #9CA3AF;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 侧边悬浮 */
        .floating-kf {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: transform 0.3s;
        }

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

        .floating-kf img {
            width: 28px;
            height: 28px;
        }

        .kf-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
            width: 150px;
        }

        .kf-popover img {
            width: 110px;
            height: 110px;
            margin-bottom: 8px;
        }

        .floating-kf:hover .kf-popover {
            display: block;
        }

        /* 移动端适配 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

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

            .about-grid, .matcher-grid, .contact-wrapper {
                grid-template-columns: 1fr;
            }

            .services-grid, .case-grid, .training-cards, .faq-list, .glossary-grid, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 576px) {
            .metrics-bar {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .steps-container {
                grid-template-columns: 1fr;
            }
        }