/* 基础变量与重置 */
        :root {
            --primary: #6366f1;
            --primary-hover: #4f46e5;
            --secondary: #ec4899;
            --accent: #06b6d4;
            --warning: #f59e0b;
            --dark: #0f172a;
            --light: #f8fafc;
            --border: #e2e8f0;
            --text-main: #334155;
            --text-muted: #64748b;
            --container-width: 1200px;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 高饱和艳彩风样式细节 */
        .gradient-text {
            background: linear-gradient(135deg, #6366f1 10%, #ec4899 50%, #06b6d4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .gradient-bg-accent {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: none;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
        }

        .btn-primary {
            background: linear-gradient(90deg, #6366f1, #ec4899);
            color: #ffffff;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.4);
        }

        .btn-secondary {
            background-color: #ffffff;
            color: var(--dark);
            border: 2px solid var(--primary);
        }

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

        /* 顶部导航 */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

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

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: rgba(99, 102, 241, 0.05);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 3px;
            transition: all 0.3s;
        }

        /* Hero首屏 - 严禁图片 */
        .hero {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15) 0%, rgba(236, 72, 153, 0.15) 50%, rgba(99, 102, 241, 0.05) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, transparent 30%, var(--light) 70%);
            pointer-events: none;
        }

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

        .hero h1 {
            font-size: 2.8rem;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

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

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 数据指标卡片 */
        .stats-section {
            padding: 50px 0;
            background-color: #ffffff;
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
        }

        .stat-card {
            text-align: center;
            padding: 20px;
            border-radius: 12px;
            background-color: var(--light);
            border: 1px solid var(--border);
            transition: transform 0.3s;
        }

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

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* 章节公共样式 */
        .section {
            padding: 80px 0;
        }

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

        .section-title {
            font-size: 2.2rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

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

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

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

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            background-color: #ffffff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .about-feat-item h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* AIGC 服务与制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: #ffffff;
            padding: 35px 25px;
            border-radius: 16px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }

        .service-card:hover::before {
            opacity: 1;
        }

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

        .service-card h3 {
            margin-bottom: 12px;
            font-size: 1.3rem;
            color: var(--dark);
        }

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

        /* 一站式制作场景展示 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .scenario-card {
            background-color: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }

        .scenario-body {
            padding: 25px;
        }

        .scenario-badge {
            display: inline-block;
            padding: 4px 10px;
            background-color: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .scenario-body h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* 技术与流程 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            width: 2px;
            height: 100%;
            background-color: var(--border);
            transform: translateX(-50%);
        }

        .timeline-item {
            padding: 20px 30px;
            width: 50%;
            position: relative;
            box-sizing: border-box;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            top: 24px;
            background-color: var(--primary);
            border: 4px solid #ffffff;
            border-radius: 50%;
            z-index: 1;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even)::after {
            left: -8px;
        }

        .timeline-content {
            background-color: #ffffff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 30px;
        }

        .case-card {
            background-color: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .case-image-wrapper {
            background-color: #f1f5f9;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            aspect-ratio: 16/9;
        }

        .case-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-content {
            padding: 25px;
        }

        .case-meta {
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .case-content h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background-color: #ffffff;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
        }

        .comparison-table th {
            background-color: #f8fafc;
            color: var(--dark);
            font-weight: 700;
        }

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

        .highlight-col {
            background-color: rgba(99, 102, 241, 0.03);
            font-weight: 600;
        }

        .badge-star {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #ffffff;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: bold;
        }

        /* 价格与Token比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .token-card {
            background-color: #ffffff;
            border-radius: 12px;
            border: 1px solid var(--border);
            padding: 24px;
            transition: all 0.3s;
        }

        .token-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.1);
        }

        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 12px;
        }

        .token-name {
            font-weight: 700;
            color: var(--dark);
        }

        .token-badge {
            background-color: rgba(6, 182, 212, 0.1);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        .token-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .training-card {
            background-color: #ffffff;
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s;
        }

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

        .training-img-wrap {
            height: 200px;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .training-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .training-body {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .training-cert {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 10px;
        }

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

        .training-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        /* 帮助中心 & FAQ */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-question {
            padding: 20px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active {
            border-color: var(--primary);
        }

        .faq-item.active .faq-question::after {
            content: '−';
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            padding: 0 20px 20px;
            transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
        }

        /* 自助排查 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 25px;
        }

        .troubleshoot-card {
            background-color: #ffffff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .troubleshoot-card h4 {
            color: var(--dark);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

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

        .review-card {
            background-color: #ffffff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-style: italic;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

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

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

        /* 最新资讯 & 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .news-card {
            background-color: #ffffff;
            border-radius: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s;
        }

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

        .news-body {
            padding: 25px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .news-link {
            margin-top: auto;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 联系与表单 */
        .contact-section {
            background-color: #ffffff;
            border-top: 1px solid var(--border);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-methods {
            margin: 30px 0;
            display: grid;
            gap: 20px;
        }

        .contact-method-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background-color: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

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

        .qr-item {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 8px;
        }

        .contact-form-wrap {
            background-color: var(--light);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

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

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

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background-color: #ffffff;
            font-size: 0.95rem;
            color: var(--dark);
            outline: none;
            transition: border-color 0.3s;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--primary);
        }

        /* 友情链接与标签云 */
        .footer-links-section {
            background-color: #f1f5f9;
            padding: 40px 0;
            border-bottom: 1px solid var(--border);
        }

        .links-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .links-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .links-wrap a {
            font-size: 0.9rem;
            color: var(--text-muted);
            background-color: #ffffff;
            padding: 6px 12px;
            border-radius: 4px;
            border: 1px solid var(--border);
        }

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

        /* 页脚 */
        .footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
        }

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

        .footer-col h4 {
            color: #ffffff;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
        }

        /* 侧边悬浮客服 */
        .float-bar {
            position: fixed;
            right: 20px;
            bottom: 100px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
            position: relative;
        }

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

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #ffffff;
            padding: 10px;
            border-radius: 8px;
            border: 1px solid var(--border);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            display: none;
            text-align: center;
            width: 140px;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
        }

        .float-qr span {
            display: block;
            font-size: 0.75rem;
            color: var(--dark);
            margin-top: 5px;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 45px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item::after {
                left: 12px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
        }