:root {
            --primary: #10b981;
            --primary-dark: #047857;
            --primary-light: #ecfdf5;
            --mint-gradient: linear-gradient(135deg, #f0fdf4 0%, #ccfbf1 100%);
            --dark: #064e3b;
            --text: #1f2937;
            --text-muted: #4b5563;
            --bg-white: #ffffff;
            --bg-light: #f9fafb;
            --border: #e5e7eb;
            --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s ease;
        }

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

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

        /* 统一容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 头部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
        }

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

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

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

        .nav-btn {
            background-color: var(--primary);
            color: white !important;
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 600;
        }

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

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark);
            cursor: pointer;
        }

        /* Hero 首屏 - 无图片 */
        .hero {
            background: var(--mint-gradient);
            padding: 120px 0 100px 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-tag {
            background-color: var(--bg-white);
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 24px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
        }

        h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

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

        .btn-primary {
            background-color: var(--primary);
            color: white;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
            border: 1px solid transparent;
        }

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

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--dark);
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title {
            font-size: 32px;
            color: var(--dark);
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -40px;
            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);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

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

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

        /* 全平台 AIGC 服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            padding: 32px;
            border-radius: 12px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .service-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            background-color: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            margin-bottom: 20px;
            font-size: 20px;
            font-weight: 700;
        }

        .service-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 标签云样式 */
        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .model-tag {
            font-size: 11px;
            background-color: var(--bg-light);
            color: var(--text-muted);
            padding: 4px 8px;
            border-radius: 4px;
            border: 1px solid var(--border);
        }

        /* 一站式制作 */
        .creation-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            align-items: center;
        }

        .creation-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .feature-box {
            background-color: var(--bg-white);
            padding: 24px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        .feature-box h4 {
            color: var(--dark);
            margin-bottom: 8px;
            font-size: 16px;
        }

        .feature-box p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .solution-body {
            padding: 24px;
        }

        .solution-body h3 {
            color: var(--dark);
            margin-bottom: 12px;
            font-size: 18px;
        }

        .solution-body p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 标准化流程 & 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-item {
            padding: 20px 30px;
            position: relative;
            background-color: var(--bg-white);
            border-radius: 8px;
            margin-bottom: 20px;
            border: 1px solid var(--border);
            border-left: 4px solid var(--primary);
        }

        .timeline-step {
            position: absolute;
            left: -15px;
            top: 20px;
            width: 30px;
            height: 30px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .timeline-content h3 {
            color: var(--dark);
            margin-bottom: 6px;
            font-size: 16px;
            padding-left: 10px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-muted);
            padding-left: 10px;
        }

        /* 案例中心 */
        .case-showcase {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .case-img-container {
            position: relative;
            background-color: #eaeaea;
            overflow: hidden;
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .ai-page-image, .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .ai-page-image {
            transform: scale(1.05);
        }

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            color: var(--dark);
            margin-bottom: 8px;
            font-size: 16px;
        }

        .case-info p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .case-assets {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-top: 20px;
        }

        .asset-box {
            background-color: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            padding: 20px;
        }

        .asset-box h4 {
            color: var(--dark);
            margin-bottom: 12px;
            font-size: 16px;
        }

        .asset-img-wrap {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 12px;
            background-color: var(--bg-light);
        }

        .asset-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 对比评测 */
        .rating-box {
            background-color: var(--primary-light);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .rating-stars {
            color: #fbbf24;
            font-size: 28px;
            margin-bottom: 8px;
        }

        .rating-score {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary-dark);
        }

        .rating-text {
            font-size: 16px;
            color: var(--dark);
            font-weight: 600;
        }

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

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background-color: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            min-width: 600px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

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

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

        .comparison-table td.highlight {
            background-color: rgba(16, 185, 129, 0.05);
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .token-card h3 {
            color: var(--dark);
            margin-bottom: 12px;
            font-size: 18px;
        }

        .token-price {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .token-price span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: normal;
        }

        .token-features {
            list-style: none;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

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

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

        .training-card h4 {
            font-size: 15px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            outline: none;
            user-select: none;
            transition: var(--transition);
        }

        .faq-item summary:hover {
            background-color: var(--primary-light);
        }

        .faq-answer {
            padding: 0 24px 18px 24px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid rgba(0,0,0,0.02);
            margin-top: 8px;
        }

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

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

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            font-style: italic;
        }

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

        .author-info h5 {
            font-size: 14px;
            color: var(--dark);
        }

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

        /* 表单与需求匹配 */
        .form-section {
            background: var(--mint-gradient);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .form-intro h3 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .form-intro p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .contact-methods {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
        }

        .contact-icon {
            width: 32px;
            height: 32px;
            background-color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-weight: bold;
        }

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

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

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

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

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 16px;
        }

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

        .news-card {
            background-color: var(--bg-white);
            border-radius: 8px;
            border: 1px solid var(--border);
            padding: 20px;
            transition: var(--transition);
            text-decoration: none;
            color: inherit;
        }

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

        .news-card span {
            font-size: 12px;
            color: var(--primary-dark);
            font-weight: 600;
            display: block;
            margin-bottom: 8px;
        }

        .news-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 合作伙伴 & 加盟代理 */
        .partner-area {
            background-color: var(--bg-white);
            text-align: center;
        }

        .partner-benefits {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .benefit-card {
            padding: 24px;
            border-radius: 8px;
            background-color: var(--bg-light);
            border: 1px solid var(--border);
        }

        .benefit-card h4 {
            color: var(--dark);
            margin-bottom: 10px;
        }

        /* 页脚 */
        footer {
            background-color: #064e3b;
            color: #e6f4f1;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

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

        .footer-logo-area {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-logo-area p {
            color: #a7f3d0;
        }

        .footer-links h4, .footer-contact h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 16px;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

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

        .footer-links a {
            color: #d1fae5;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: white;
            padding-left: 4px;
        }

        .footer-contact p {
            margin-bottom: 10px;
            color: #d1fae5;
        }

        .friend-links {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links span {
            color: #a7f3d0;
            font-weight: 600;
        }

        .friend-links a {
            color: #d1fae5;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #a7f3d0;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }

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

        .float-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: white;
            padding: 10px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            display: none;
            width: 140px;
        }

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

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

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .services-grid, .solutions-grid, .token-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .form-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 32px;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: white;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 15px;
                box-shadow: var(--shadow);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .services-grid, .solutions-grid, .token-grid, .reviews-grid, .news-grid, .training-grid, .case-gallery, .partner-benefits {
                grid-template-columns: 1fr;
            }
            .case-assets {
                grid-template-columns: 1fr;
            }
            .creation-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }