/* CSS Reset */
        *, *::before, *::after {
            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: #1e293b;
            background-color: #f8fafc;
        }
        body {
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
        }

        /* 明艳撞色主题色彩体系 */
        :root {
            --primary: #3b82f6; /* 电光蓝 */
            --accent: #facc15;  /* 明艳黄 */
            --dark: #0f172a;    /* 深邃蓝灰 */
            --light: #ffffff;
            --gray: #64748b;
            --alert: #ef4444;   /* 警示红 */
            --success: #10b981; /* 活力绿 */
            --purple: #8b5cf6;  /* 迷幻紫 */
        }

        /* 通用容器与格栅 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark);
            text-align: center;
            margin-bottom: 15px;
            position: relative;
        }
        .section-title span {
            background: linear-gradient(135deg, var(--primary), var(--purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-subtitle {
            text-align: center;
            color: var(--gray);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 700;
            border-radius: 8px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--light);
            box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
        }
        .btn-accent {
            background-color: var(--accent);
            color: var(--dark);
            box-shadow: 0 4px 14px rgba(250, 204, 21, 0.4);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(250, 204, 21, 0.6);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--dark);
            color: var(--dark);
        }
        .btn-outline:hover {
            background-color: var(--dark);
            color: var(--light);
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            border-bottom: 2px solid var(--dark);
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dark);
            transition: color 0.2s;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-btn {
            background-color: var(--accent);
            color: var(--dark);
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 700;
            border: 2px solid var(--dark);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            transition: 0.3s;
        }

        /* 首屏 Hero (无图片) */
        .hero-section {
            background: radial-gradient(circle at 80% 20%, rgba(250, 204, 21, 0.15), transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(59, 130, 246, 0.15), transparent 50%),
                        var(--light);
            padding: 100px 0 120px 0;
            border-bottom: 4px solid var(--dark);
            position: relative;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 20px;
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--primary), var(--purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-badge {
            display: inline-block;
            background-color: var(--accent);
            color: var(--dark);
            padding: 6px 14px;
            font-weight: 800;
            font-size: 0.85rem;
            text-transform: uppercase;
            border: 2px solid var(--dark);
            border-radius: 50px;
            margin-bottom: 20px;
            box-shadow: 4px 4px 0 var(--dark);
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
            max-width: 600px;
        }
        .hero-btns {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .hero-features {
            display: flex;
            gap: 20px;
            margin-top: 40px;
        }
        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
        }
        .hero-feat-item svg {
            color: var(--primary);
            flex-shrink: 0;
        }
        
        /* 交互特效卡片 (首屏替代图) */
        .hero-visual-card {
            background-color: var(--light);
            border: 4px solid var(--dark);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 12px 12px 0 var(--dark);
            position: relative;
            overflow: hidden;
        }
        .card-dots {
            display: flex;
            gap: 6px;
            margin-bottom: 20px;
        }
        .card-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: #e2e8f0;
        }
        .card-dot:nth-child(1) { background-color: var(--alert); }
        .card-dot:nth-child(2) { background-color: var(--accent); }
        .card-dot:nth-child(3) { background-color: var(--success); }
        
        .visual-stat-box {
            background-color: #f1f5f9;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 15px;
            transform: rotate(-1deg);
            transition: transform 0.3s;
        }
        .visual-stat-box:hover {
            transform: rotate(1deg) scale(1.02);
        }
        .visual-stat-title {
            font-size: 0.85rem;
            color: var(--gray);
            font-weight: 700;
        }
        .visual-stat-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--dark);
        }
        .visual-model-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }
        .visual-model-tag {
            background-color: var(--light);
            border: 2px solid var(--dark);
            padding: 4px 10px;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 6px;
            box-shadow: 2px 2px 0 var(--dark);
        }

        /* 数据指标卡片 */
        .stats-section {
            background-color: var(--dark);
            color: var(--light);
            padding: 50px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-card h3 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 5px;
        }
        .stat-card p {
            font-size: 0.95rem;
            color: #cbd5e1;
        }

        /* 关于我们与平台介绍 */
        .about-section {
            background-color: var(--light);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-list {
            margin: 25px 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .about-list-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
        }
        .about-visual {
            position: relative;
        }
        .about-visual-box {
            border: 4px solid var(--dark);
            background-color: var(--accent);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 12px 12px 0 var(--dark);
        }
        .about-visual-box h4 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 10px;
        }

        /* 服务能力卡片 (全平台AIGC服务) */
        .services-section {
            background-color: #f8fafc;
            border-top: 4px solid var(--dark);
            border-bottom: 4px solid var(--dark);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background-color: var(--light);
            border: 4px solid var(--dark);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 6px 6px 0 var(--dark);
            transition: all 0.3s;
        }
        .service-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 10px 10px 0 var(--dark);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--accent);
            border: 2px solid var(--dark);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        .service-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .service-card p {
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* 一站式AIGC制作场景与行业解决方案 */
        .production-section {
            background-color: var(--light);
        }
        .tabs-container {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .tab-btn {
            padding: 10px 20px;
            border: 2px solid var(--dark);
            background-color: var(--light);
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .tab-btn.active, .tab-btn:hover {
            background-color: var(--primary);
            color: var(--light);
            box-shadow: 4px 4px 0 var(--dark);
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        .tab-info h4 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .tab-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .tab-tag {
            background-color: #f1f5f9;
            padding: 5px 12px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 4px;
            border: 1px solid #cbd5e1;
        }

        /* 图像素材展示包装容器 */
        .image-wrapper {
            border: 4px solid var(--dark);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 8px 8px 0 var(--dark);
            background-color: #e2e8f0;
            display: flex;
        }
        .image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }

        /* 标准化流程步骤 */
        .steps-section {
            background-color: #f8fafc;
            border-top: 4px solid var(--dark);
            border-bottom: 4px solid var(--dark);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
        }
        .step-card {
            background-color: var(--light);
            border: 3px solid var(--dark);
            border-radius: 12px;
            padding: 25px;
            position: relative;
            box-shadow: 4px 4px 0 var(--dark);
        }
        .step-number {
            position: absolute;
            top: -20px;
            left: 20px;
            background-color: var(--accent);
            border: 2px solid var(--dark);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            box-shadow: 2px 2px 0 var(--dark);
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin: 15px 0 10px 0;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 全国服务网络 & 技术标准 */
        .network-section {
            background-color: var(--light);
        }
        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }
        .network-map-container {
            border: 4px solid var(--dark);
            border-radius: 16px;
            background-color: #f1f5f9;
            padding: 30px;
            box-shadow: 8px 8px 0 var(--dark);
            min-height: 350px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .network-item {
            background-color: var(--light);
            border: 2px solid var(--dark);
            padding: 12px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .network-indicator {
            width: 10px;
            height: 10px;
            background-color: var(--success);
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(0.95); opacity: 0.5; }
            50% { transform: scale(1.2); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.5; }
        }

        /* 对比评测（五星9.9分） */
        .comparison-section {
            background-color: #f8fafc;
            border-top: 4px solid var(--dark);
        }
        .rating-banner {
            background-color: var(--accent);
            border: 4px solid var(--dark);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
            box-shadow: 6px 6px 0 var(--dark);
            flex-wrap: wrap;
            gap: 20px;
        }
        .rating-info {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .rating-stars {
            font-size: 1.8rem;
            color: #d97706;
        }
        .rating-score {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--dark);
        }
        .comparison-table-wrapper {
            overflow-x: auto;
            border: 4px solid var(--dark);
            border-radius: 12px;
            box-shadow: 8px 8px 0 var(--dark);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background-color: var(--light);
            text-align: left;
            min-width: 700px;
        }
        th, td {
            padding: 16px 20px;
            border-bottom: 2px solid var(--dark);
            border-right: 2px solid var(--dark);
        }
        th:last-child, td:last-child {
            border-right: none;
        }
        th {
            background-color: var(--dark);
            color: var(--light);
            font-weight: 800;
        }
        tr:last-child td {
            border-bottom: none;
        }
        td.highlight-col {
            background-color: rgba(59, 130, 246, 0.08);
            font-weight: 700;
        }

        /* Token比价参考与AI工具聚合列表 */
        .token-section {
            background-color: var(--light);
            border-top: 4px solid var(--dark);
        }
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .token-list-box {
            border: 3px solid var(--dark);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 4px 4px 0 var(--dark);
        }
        .token-header {
            display: flex;
            justify-content: space-between;
            font-weight: 800;
            border-bottom: 2px solid var(--dark);
            padding-bottom: 10px;
            margin-bottom: 15px;
        }
        .token-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px dashed #cbd5e1;
        }
        .token-name {
            font-weight: 700;
        }
        .token-price-val {
            color: var(--success);
            font-weight: 800;
        }

        /* 案例展示中心 */
        .cases-section {
            background-color: #f8fafc;
            border-top: 4px solid var(--dark);
            border-bottom: 4px solid var(--dark);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background-color: var(--light);
            border: 3px solid var(--dark);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 6px 6px 0 var(--dark);
            transition: 0.3s;
        }
        .case-card:hover {
            transform: translateY(-5px);
        }
        .case-image {
            height: 200px;
            background-color: #e2e8f0;
            border-bottom: 3px solid var(--dark);
            overflow: hidden;
        }
        .case-info {
            padding: 20px;
        }
        .case-info h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .case-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--gray);
            margin-top: 15px;
        }

        /* 职业技术培训 & 人工智能培训 */
        .training-section {
            background-color: var(--light);
        }
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .cert-list {
            margin-top: 25px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .cert-item {
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 15px;
            background-color: #f8fafc;
            display: flex;
            align-items: center;
            gap: 15px;
            box-shadow: 3px 3px 0 var(--dark);
        }
        .cert-icon {
            width: 40px;
            height: 40px;
            background-color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            border: 2px solid var(--dark);
        }
        .cert-info h5 {
            font-size: 1rem;
            font-weight: 800;
        }
        .cert-info p {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* 客户评论卡片 */
        .reviews-section {
            background-color: #f8fafc;
            border-top: 4px solid var(--dark);
            border-bottom: 4px solid var(--dark);
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background-color: var(--light);
            border: 3px solid var(--dark);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 6px 6px 0 var(--dark);
        }
        .review-stars {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 15px;
        }
        .review-content {
            font-size: 0.9rem;
            color: var(--dark);
            margin-bottom: 20px;
            font-style: italic;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 45px;
            height: 45px;
            background-color: var(--primary);
            border-radius: 50%;
            color: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            border: 2px solid var(--dark);
        }
        .review-meta h5 {
            font-size: 0.95rem;
            font-weight: 800;
        }
        .review-meta p {
            font-size: 0.75rem;
            color: var(--gray);
        }

        /* 常见用户问题 FAQ & 常见问题自助排查 */
        .faq-section {
            background-color: var(--light);
        }
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 2px solid var(--dark);
            border-radius: 8px;
            margin-bottom: 15px;
            background-color: var(--light);
            overflow: hidden;
            box-shadow: 3px 3px 0 var(--dark);
        }
        .faq-question {
            padding: 20px;
            font-weight: 800;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #f8fafc;
            user-select: none;
        }
        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 700;
            transition: transform 0.3s;
        }
        .faq-item.active .faq-question::after {
            content: '−';
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
            background-color: var(--light);
            border-top: 0 solid var(--dark);
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 20px;
            border-top: 2px solid var(--dark);
        }

        /* AI术语百科 & 行业资讯知识库 */
        .encyclopedia-section {
            background-color: #f8fafc;
            border-top: 4px solid var(--dark);
            border-bottom: 4px solid var(--dark);
        }
        .encyclopedia-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .wiki-card {
            background-color: var(--light);
            border: 3px solid var(--dark);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 4px 4px 0 var(--dark);
        }
        .wiki-card h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .articles-list {
            margin-top: 25px;
            background-color: var(--light);
            border: 3px solid var(--dark);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 6px 6px 0 var(--dark);
        }
        .articles-list h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--dark);
            padding-bottom: 10px;
        }
        .article-item {
            padding: 10px 0;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .article-item:last-child {
            border-bottom: none;
        }
        .article-item a {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--dark);
            transition: color 0.2s;
        }
        .article-item a:hover {
            color: var(--primary);
        }
        .article-date {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* 智能需求匹配与表单 */
        .form-section {
            background-color: var(--light);
        }
        .form-wrapper {
            max-width: 700px;
            margin: 0 auto;
            background-color: var(--light);
            border: 4px solid var(--dark);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 12px 12px 0 var(--dark);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--dark);
            border-radius: 6px;
            font-size: 1rem;
            background-color: #f8fafc;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--light);
        }
        textarea.form-control {
            resize: vertical;
            height: 120px;
        }

        /* 加盟代理模块 */
        .agent-section {
            background: linear-gradient(135deg, var(--dark), var(--purple));
            color: var(--light);
            padding: 80px 0;
            border-bottom: 4px solid var(--dark);
        }
        .agent-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .agent-content h2 {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 20px;
        }
        .agent-perks {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }
        .perk-box {
            background-color: rgba(255, 255, 255, 0.1);
            border: 2px solid var(--accent);
            padding: 20px;
            border-radius: 8px;
        }
        .perk-box h4 {
            font-weight: 800;
            margin-bottom: 5px;
            color: var(--accent);
        }

        /* 页脚区域 */
        footer {
            background-color: var(--dark);
            color: var(--light);
            padding: 60px 0 30px 0;
            border-top: 4px solid var(--dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--accent);
        }
        .footer-col p {
            font-size: 0.9rem;
            color: #cbd5e1;
            margin-bottom: 10px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: #cbd5e1;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        
        /* 友情链接与底部申明 */
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }
        .friend-links a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color 0.2s;
        }
        .friend-links a:hover {
            color: var(--accent);
        }
        .copyright {
            font-size: 0.85rem;
            color: #94a3b8;
        }

        /* 侧边悬停客服 */
        .floating-kefu {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            background-color: var(--accent);
            border: 3px solid var(--dark);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 4px 4px 0 var(--dark);
            cursor: pointer;
            transition: 0.3s;
        }
        .floating-kefu:hover {
            transform: scale(1.1);
        }
        .kefu-panel {
            position: absolute;
            bottom: 75px;
            right: 0;
            background-color: var(--light);
            border: 3px solid var(--dark);
            border-radius: 12px;
            padding: 20px;
            width: 250px;
            box-shadow: 6px 6px 0 var(--dark);
            display: none;
            text-align: center;
        }
        .kefu-panel.show {
            display: block;
        }
        .kefu-panel img {
            width: 130px;
            height: 130px;
            margin-bottom: 10px;
            border: 2px solid var(--dark);
        }
        .kefu-panel h5 {
            font-weight: 800;
            margin-bottom: 5px;
        }
        .kefu-panel p {
            font-size: 0.8rem;
            color: var(--gray);
            margin-bottom: 5px;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-grid, .about-grid, .network-grid, .training-grid, .encyclopedia-grid, .token-grid, .agent-grid {
                grid-template-columns: 1fr;
            }
            .services-grid, .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--light);
                border-bottom: 4px solid var(--dark);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
            }
            .nav-links.show {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .services-grid, .cases-grid, .reviews-grid, .steps-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 2rem;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .tab-content.active {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }