:root {
            --primary: #0d9488;
            --primary-hover: #0f766e;
            --secondary: #06b6d4;
            --secondary-hover: #0891b2;
            --dark: #0f172a;
            --light-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #334155;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--dark);
            background-color: var(--light-bg);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            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);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

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

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

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

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            transition: var(--transition);
            font-size: 0.95rem;
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white !important;
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: none;
            padding: 4px;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--dark);
            transition: var(--transition);
        }

        /* 首屏 Hero - 无图片 */
        .hero {
            background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 50%, #f0fdfa 100%);
            padding: 120px 0 80px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13,148,136,0.1) 0%, transparent 70%);
            z-index: 1;
        }

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

        .hero-tag {
            display: inline-block;
            background-color: rgba(13, 148, 136, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 2.8rem;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 24px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-main);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 14px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(13, 148, 136, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(13, 148, 136, 0.3);
        }

        .btn-secondary {
            background-color: white;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 12px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
        }

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

        /* 核心数据卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: white;
            border: 1px solid var(--border-color);
            padding: 24px 20px;
            border-radius: 12px;
            transition: var(--transition);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px -8px rgba(13, 148, 136, 0.15);
            border-color: var(--primary);
        }

        .stat-card h3 {
            font-size: 2.2rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .stat-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
        }

        /* 通用区块样式 */
        section {
            padding: 96px 0;
            position: relative;
        }

        .section-light {
            background-color: var(--card-bg);
        }

        .section-gray {
            background-color: var(--light-bg);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px auto;
        }

        .section-title {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 16px;
            font-weight: 800;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 12px auto 0 auto;
            border-radius: 2px;
        }

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

        /* 平台介绍 & 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-text p {
            color: var(--text-main);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            color: var(--dark);
        }

        .about-feature-item span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--primary);
        }

        .about-promo-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 36px;
            border-radius: 16px;
            box-shadow: 0 10px 25px rgba(13, 148, 136, 0.2);
        }

        .about-promo-card h4 {
            font-size: 1.4rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .about-promo-card p {
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

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

        .service-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 32px 24px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 28px -6px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

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

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

        .service-tags span {
            background-color: var(--light-bg);
            color: var(--text-main);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* 模型聚合标签云 */
        .model-cloud-container {
            margin-top: 50px;
            background: var(--light-bg);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .model-cloud-title {
            text-align: center;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
            font-size: 1.1rem;
        }

        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .model-tag {
            background: white;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
        }

        .model-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: #f0fdfa;
        }

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

        .process-step {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 24px 20px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px auto;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .process-step h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* 案例与宣传图片展示区 */
        .case-gallery {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }

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

        .gallery-main-img-wrapper {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            aspect-ratio: 16/9;
            background-color: #eaeaea;
        }

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

        .gallery-side-img-wrapper {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            aspect-ratio: 1/1;
            background-color: #eaeaea;
        }

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

        .ai-page-image:hover {
            transform: scale(1.02);
        }

        .case-caption {
            padding: 12px;
            background-color: white;
            border-top: 1px solid var(--border-color);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--dark);
        }

        /* 对比评测表格 */
        .eval-container {
            background: white;
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .eval-score-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            border-bottom: 2px solid var(--light-bg);
            padding-bottom: 20px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .eval-score-left h3 {
            font-size: 1.8rem;
            color: var(--dark);
        }

        .eval-rating {
            display: flex;
            align-items: center;
            gap: 15px;
            background-color: #f0fdfa;
            padding: 12px 24px;
            border-radius: 8px;
        }

        .eval-rating-stars {
            color: #fbbf24;
            font-size: 1.4rem;
        }

        .eval-rating-score {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
        }

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

        .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: var(--light-bg);
            font-weight: 700;
            color: var(--dark);
        }

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

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

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

        .token-card h4 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .token-price {
            font-size: 1.8rem;
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .token-price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .token-features {
            list-style: none;
            color: var(--text-main);
            font-size: 0.9rem;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        /* 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .training-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }

        .training-info {
            padding: 24px;
        }

        .training-badge {
            background-color: #e0f2fe;
            color: #0369a1;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 12px;
        }

        .training-info h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            font-weight: 700;
        }

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

        .training-cert {
            font-size: 0.85rem;
            color: var(--text-main);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
            font-weight: 500;
        }

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

        .review-card {
            background: white;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
            position: relative;
        }

        .review-text {
            color: var(--text-main);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .review-user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
        }

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

        /* 智能需求匹配与联系我们 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
        }

        .form-container {
            background: white;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
            background-color: var(--light-bg);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            background-color: white;
            box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
        }

        .contact-info-area {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

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

        .contact-method-card h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--primary);
            font-weight: 700;
        }

        .contact-method-card p {
            color: var(--text-main);
            font-size: 0.95rem;
        }

        .qr-wrapper {
            margin-top: 15px;
            display: inline-block;
            padding: 8px;
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            max-width: 140px;
        }

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

        /* FAQ 手风琴 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            color: var(--dark);
            user-select: none;
        }

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

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
            color: var(--text-main);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            padding: 0 24px 20px 24px;
            transition: max-height 0.5s ease, padding 0.3s ease;
        }

        .faq-icon {
            transition: var(--transition);
            font-weight: 400;
            font-size: 1.2rem;
            color: var(--primary);
        }

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

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

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

        .wiki-card h4 {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .wiki-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .articles-list {
            margin-top: 40px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .article-item {
            background: white;
            border-left: 4px solid var(--primary);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            border-top: 1px solid var(--border-color);
            border-right: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--dark);
            margin-bottom: 12px;
            text-decoration: none;
        }

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

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
        }

        /* 浮动客服入口 */
        .float-contact {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35);
            cursor: pointer;
            transition: var(--transition);
        }

        .float-contact:hover {
            transform: scale(1.1);
        }

        .float-contact-panel {
            position: fixed;
            right: 90px;
            bottom: 24px;
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            z-index: 999;
            display: none;
            width: 260px;
        }

        .float-contact-panel.show {
            display: block;
        }

        .float-contact-panel h5 {
            font-size: 1rem;
            margin-bottom: 10px;
            font-weight: 700;
            color: var(--dark);
            text-align: center;
        }

        .float-contact-panel p {
            font-size: 0.85rem;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 80px 0 40px 0;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand h4 {
            color: white;
            font-size: 1.25rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-links-col h5 {
            color: white;
            font-size: 1rem;
            margin-bottom: 20px;
            font-weight: 600;
        }

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

        .footer-links-list a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-media-card {
            border-radius: 8px;
            overflow: hidden;
            background-color: #1e293b;
            border: 1px solid #334155;
            max-width: 320px;
        }

        .footer-media-caption {
            padding: 10px 14px;
            font-size: 0.8rem;
            color: #cbd5e1;
            font-weight: 500;
        }

        .friend-links-area {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            margin-top: 30px;
        }

        .friend-links-title {
            color: white;
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .copyright-bar {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .ai-page-home-link {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .ai-page-home-link:hover {
            color: white;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .training-grid, .reviews-grid, .token-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .contact-layout {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: white;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 16px;
                box-shadow: 0 8px 16px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .hero h1 {
                font-size: 2.1rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .stats-grid, .services-grid, .training-grid, .reviews-grid, .token-grid, .wiki-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .case-gallery {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .eval-container {
                padding: 20px;
            }
            .articles-list {
                grid-template-columns: 1fr;
            }
            .copyright-bar {
                flex-direction: column;
                text-align: center;
            }
        }