:root {
            --primary-color: #10b981;
            --primary-hover: #059669;
            --primary-light: #ecfdf5;
            --dark-color: #111827;
            --text-color: #374151;
            --text-light: #6b7280;
            --bg-light: #f9fafb;
            --bg-white: #ffffff;
            --border-color: #e5e7eb;
            --accent-color: #00c853;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --container-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-color);
            background-color: var(--bg-light);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

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

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark-color);
            letter-spacing: 0.5px;
        }

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

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

        .nav-item a {
            text-decoration: none;
            color: var(--text-color);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .nav-btn {
            background-color: var(--primary-color);
            color: #ffffff !important;
            padding: 8px 18px;
            border-radius: 6px;
            transition: background-color 0.3s !important;
            font-weight: 600;
        }

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

        /* 导航开关（移动端） */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--dark-color);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* 主体布局 */
        main {
            margin-top: 72px;
        }

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

        /* 首屏 (Hero) - 无图片设计，极富视觉冲击力的鲜绿与深灰 */
        #hero {
            background: radial-gradient(circle at top right, #1f2937, #111827);
            color: #ffffff;
            padding: 100px 0 120px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        #hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent-color);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            color: #ffffff;
        }

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

        .hero-desc {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto 40px auto;
            color: #d1d5db;
        }

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

        .btn-main {
            background-color: var(--primary-color);
            color: #ffffff;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.3s;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
            display: inline-block;
        }

        .btn-main:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
        }

        .btn-secondary {
            background-color: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: inline-block;
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* 统一标题组件 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--dark-color);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background-color: var(--bg-white);
            padding: 30px 24px;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            transition: transform 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 600;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            color: var(--dark-color);
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-content p {
            margin-bottom: 16px;
            color: var(--text-color);
        }

        .about-list {
            list-style: none;
            margin-top: 24px;
        }

        .about-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .about-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: 900;
            font-size: 18px;
        }

        .about-visual {
            background-color: var(--primary-light);
            border-radius: 20px;
            padding: 40px;
            border: 2px dashed var(--primary-color);
        }

        .about-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow-md);
            margin-bottom: 20px;
        }

        .about-card:last-child {
            margin-bottom: 0;
        }

        /* 服务能力卡片 (一站式AIGC制作) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--primary-color);
            transform: scaleY(0);
            transition: transform 0.3s;
            transform-origin: bottom;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

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

        .service-icon {
            font-size: 40px;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 12px;
        }

        .service-desc {
            color: var(--text-light);
            font-size: 14px;
        }

        /* 支持平台标签 */
        .platforms-wrap {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-top: 40px;
            box-shadow: var(--shadow-sm);
        }

        .platforms-title {
            text-align: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 24px;
        }

        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .platform-tag {
            background-color: var(--bg-light);
            color: var(--text-color);
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

        .platform-tag:hover {
            background-color: var(--primary-light);
            color: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-2px);
        }

        /* 全行业解决方案与服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s;
        }

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

        .solution-info {
            padding: 24px;
        }

        .solution-tag {
            background-color: var(--primary-light);
            color: var(--primary-color);
            padding: 4px 10px;
            font-size: 12px;
            border-radius: 4px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 12px;
        }

        .solution-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 10px;
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            position: relative;
        }

        .step-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .step-number {
            width: 48px;
            height: 48px;
            background-color: var(--primary-color);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
        }

        .step-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 10px;
        }

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

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

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

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

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

        .case-content {
            padding: 24px;
        }

        .case-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 10px;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            background-color: var(--bg-white);
        }

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

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

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

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

        .highlight-col {
            background-color: rgba(16, 185, 129, 0.04);
            font-weight: 600;
        }

        .badge-star {
            display: inline-flex;
            align-items: center;
            background-color: #fffbeb;
            color: #d97706;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 700;
            border: 1px solid #fef3c7;
        }

        .badge-star span {
            color: #fbbf24;
            margin-right: 4px;
        }

        /* 培训模块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .train-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            position: relative;
            transition: all 0.3s;
        }

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

        .train-org {
            font-size: 12px;
            color: var(--primary-color);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .train-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 12px;
        }

        .train-desc {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

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

        .review-text {
            font-style: italic;
            color: var(--text-color);
            margin-bottom: 24px;
            font-size: 14px;
        }

        .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: 800;
            font-size: 16px;
        }

        .user-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark-color);
        }

        .user-info p {
            font-size: 12px;
            color: var(--text-light);
        }

        /* Token 比价 */
        .token-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

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

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-header {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark-color);
        }

        .faq-icon {
            transition: transform 0.3s;
            font-weight: 400;
            font-size: 20px;
            color: var(--primary-color);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 14px;
        }

        .faq-item.active .faq-body {
            padding-bottom: 18px;
        }

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

        /* 需求匹配与联系表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

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

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--dark-color);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            color: var(--dark-color);
            outline: none;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary-color);
        }

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

        .btn-submit {
            width: 100%;
            background-color: var(--primary-color);
            color: #ffffff;
            border: none;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 6px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

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

        /* 客服与渠道卡片 */
        .info-card {
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid rgba(16, 185, 129, 0.2);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-header h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 12px;
        }

        .info-items {
            margin: 30px 0;
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            font-size: 15px;
        }

        .info-qr-group {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            text-align: center;
            margin-top: 20px;
        }

        .info-qr-box {
            background-color: var(--bg-white);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .info-qr-box img {
            width: 100%;
            max-width: 100px;
            height: auto;
            margin: 0 auto 8px auto;
            display: block;
        }

        .info-qr-box p {
            font-size: 12px;
            font-weight: 700;
            color: var(--dark-color);
        }

        /* 资讯与百科 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .news-card {
            background-color: var(--bg-white);
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 24px;
            transition: all 0.3s;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-meta {
            font-size: 12px;
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 12px;
            text-decoration: none;
            display: block;
        }

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

        .news-excerpt {
            font-size: 13px;
            color: var(--text-light);
        }

        /* 友情链接与底部说明 */
        footer {
            background-color: var(--dark-color);
            color: #d1d5db;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1f2937;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #9ca3af;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
        }

        .friend-links {
            border-top: 1px solid #1f2937;
            padding-top: 24px;
            margin-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 13px;
        }

        .friend-links a {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid #1f2937;
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 13px;
        }

        /* 浮动组件 */
        .float-wrap {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            background-color: var(--primary-color);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.05);
        }

        .float-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--bg-white);
            padding: 12px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            display: none;
            width: 140px;
            text-align: center;
        }

        .float-qr img {
            width: 100%;
            height: auto;
            display: block;
            margin-bottom: 6px;
        }

        .float-qr p {
            font-size: 11px;
            color: var(--dark-color);
            font-weight: 700;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: var(--shadow-md);
            }

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

            .nav-toggle {
                display: block;
            }

            .nav-toggle.active span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }

            .nav-toggle.active span:nth-child(2) {
                opacity: 0;
            }

            .nav-toggle.active span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
        }