/* 撞色艳色风 - 纯 CSS 变量定义 */
        :root {
            --bg-primary: #f8fafc;
            --bg-card: #ffffff;
            --color-primary: #4f46e5;     /* 皇家靛蓝 */
            --color-secondary: #ff4e00;   /* 耀目撞色橘 */
            --color-tertiary: #10b981;    /* 荧光绿 */
            --text-dark: #0f172a;         /* 深灰黑（主标题及正文） */
            --text-muted: #475569;        /* 辅助灰 */
            --border-width: 3px;
            --border-color: #0f172a;      /* 强对比黑框 */
            --shadow-neo: 5px 5px 0px #0f172a;
            --shadow-neo-hover: 8px 8px 0px #0f172a;
        }

        * {
            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;
            background-color: var(--bg-primary);
            color: var(--text-dark);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 公共容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 强烈的 Neo-brutalist (新野兽主义/撞色风) 卡片样式 */
        .neo-card {
            background: var(--bg-card);
            border: var(--border-width) solid var(--border-color);
            box-shadow: var(--shadow-neo);
            border-radius: 12px;
            padding: 25px;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .neo-card:hover {
            transform: translate(-3px, -3px);
            box-shadow: var(--shadow-neo-hover);
        }

        /* 撞色按钮 */
        .btn-neo {
            display: inline-block;
            background-color: var(--color-secondary);
            color: var(--text-dark);
            font-weight: 800;
            text-decoration: none;
            padding: 12px 30px;
            border: var(--border-width) solid var(--border-color);
            border-radius: 8px;
            box-shadow: 3px 3px 0px var(--border-color);
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
        }

        .btn-neo:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0px var(--border-color);
            background-color: #ff6a22;
        }

        .btn-neo-alt {
            background-color: var(--color-tertiary);
        }
        
        .btn-neo-primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }

        /* 标题样式 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 900;
            display: inline-block;
            background: var(--color-tertiary);
            padding: 10px 20px;
            border: var(--border-width) solid var(--border-color);
            box-shadow: 4px 4px 0px var(--border-color);
            transform: rotate(-1deg);
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-top: 10px;
        }

        /* 导航栏 */
        header.site-header {
            background-color: var(--bg-card);
            border-bottom: var(--border-width) solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

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

        .logo-area .ai-page-logo {
            max-height: 50px;
            width: auto;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 5px 10px;
        }

        .nav-menu a:hover {
            background-color: var(--color-tertiary);
            outline: var(--border-width) solid var(--border-color);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: 2px solid var(--border-color);
            padding: 5px;
            border-radius: 4px;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
        }

        /* Hero 首屏 - 无任何图片 */
        .hero-section {
            padding: 80px 0 100px 0;
            background: linear-gradient(135deg, #e0e7ff 0%, #ffedd5 100%);
            border-bottom: var(--border-width) solid var(--border-color);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--color-primary);
            color: #ffffff;
            font-weight: 700;
            padding: 8px 16px;
            border: 2px solid var(--border-color);
            border-radius: 50px;
            margin-bottom: 25px;
            box-shadow: 2px 2px 0px var(--border-color);
        }

        .hero-section h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        /* 数据指标卡片 */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .data-card {
            background-color: var(--bg-card);
            border: var(--border-width) solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            box-shadow: 3px 3px 0px var(--border-color);
        }

        .data-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-primary);
            margin-bottom: 5px;
        }

        .data-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 700;
        }

        /* 通用区块间距 */
        .section-padding {
            padding: 100px 0;
            border-bottom: var(--border-width) solid var(--border-color);
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .about-content p {
            margin-bottom: 15px;
            color: var(--text-muted);
        }

        .about-image-wrapper {
            border: var(--border-width) solid var(--border-color);
            box-shadow: var(--shadow-neo);
            border-radius: 12px;
            overflow: hidden;
            background: #000;
            display: flex;
        }

        .about-image-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

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

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .service-tag {
            display: inline-block;
            font-size: 0.8rem;
            padding: 3px 8px;
            background: var(--color-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
        }

        /* 模型聚合标签云 */
        .model-cloud-wrapper {
            margin-top: 40px;
            background: #fff;
            border: var(--border-width) solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow-neo);
        }

        .model-cloud-wrapper h4 {
            margin-bottom: 20px;
            font-size: 1.2rem;
            font-weight: 800;
            text-align: center;
        }

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

        .tag-item {
            background-color: var(--bg-primary);
            border: 2px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.2s;
        }

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

        /* 一站式制作 */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .prod-card {
            border: var(--border-width) solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-neo);
            background: #fff;
        }

        .prod-header {
            background: var(--color-primary);
            color: #fff;
            padding: 20px;
            font-weight: 800;
            font-size: 1.3rem;
            border-bottom: var(--border-width) solid var(--border-color);
        }

        .prod-body {
            padding: 25px;
        }

        .prod-body ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .prod-body ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .prod-body ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--color-tertiary);
            font-weight: 900;
        }

        /* 行业解决方案 */
        .solutions-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .sol-card {
            background-color: #fff;
        }

        .sol-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }

        /* 标准化流程 & 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--color-secondary);
            border: 4px solid var(--border-color);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -10px;
        }

        .timeline-content {
            padding: 20px;
            background-color: white;
            position: relative;
            border-radius: 8px;
            border: 3px solid var(--border-color);
            box-shadow: 4px 4px 0px var(--border-color);
        }

        /* 全国服务网络 */
        .network-section {
            background-color: #e0f2fe;
            text-align: center;
        }

        .network-list {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        .network-city {
            background: #fff;
            border: 2px solid var(--border-color);
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 800;
            box-shadow: 2px 2px 0px var(--border-color);
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .case-card {
            background: #fff;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-images {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border-bottom: var(--border-width) solid var(--border-color);
        }

        .case-images img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .case-images img:first-child {
            border-right: var(--border-width) solid var(--border-color);
        }

        .case-info {
            padding: 20px;
            flex-grow: 1;
        }

        .case-info h4 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            font-weight: 800;
        }

        /* 对比评测 */
        .eval-section {
            background-color: #fffbeb;
        }

        .eval-rating-box {
            text-align: center;
            margin-bottom: 40px;
        }

        .eval-stars {
            font-size: 2.5rem;
            color: #fbbf24;
            margin-bottom: 10px;
            text-shadow: 2px 2px 0px #000;
        }

        .eval-score {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--color-secondary);
        }

        .eval-table-wrapper {
            overflow-x: auto;
            border: var(--border-width) solid var(--border-color);
            border-radius: 12px;
            box-shadow: var(--shadow-neo);
            background: #fff;
        }

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

        .eval-table th, .eval-table td {
            padding: 18px;
            border-bottom: 2px solid var(--border-color);
            border-right: 2px solid var(--border-color);
            font-weight: 700;
        }

        .eval-table th {
            background-color: var(--color-primary);
            color: #fff;
        }

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

        .eval-table td:last-child {
            border-right: none;
        }

        .eval-highlight {
            background-color: #f0fdf4;
            color: #166534;
        }

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

        .price-card {
            text-align: center;
        }

        .price-card .price-val {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-secondary);
            margin: 15px 0;
        }

        /* 人工智能培训 & 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .training-card {
            background: #fff;
        }

        .training-card h4 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            font-weight: 800;
        }

        .training-badge {
            display: inline-block;
            font-size: 0.8rem;
            padding: 4px 8px;
            background: var(--color-secondary);
            color: #fff;
            border-radius: 4px;
            margin-bottom: 15px;
        }

        /* 加盟代理 */
        .agent-banner {
            background: linear-gradient(135deg, #fee2e2 0%, #fef3c7 100%);
            border: var(--border-width) solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow-neo);
            text-align: center;
        }

        .agent-banner h3 {
            font-size: 2rem;
            margin-bottom: 15px;
            font-weight: 900;
        }

        /* 帮助中心 & FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            border: var(--border-width) solid var(--border-color);
            border-radius: 8px;
            background: #fff;
            overflow: hidden;
            box-shadow: 3px 3px 0px var(--border-color);
        }

        .faq-question {
            padding: 18px 20px;
            font-weight: 800;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #f8fafc;
            user-select: none;
            transition: background-color 0.2s;
        }

        .faq-question:hover {
            background-color: #e2e8f0;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 900;
            transition: transform 0.2s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fff;
        }

        .faq-answer-content {
            padding: 20px;
            border-top: 2px solid var(--border-color);
            color: var(--text-muted);
            font-weight: 600;
        }

        /* AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .glossary-card h5 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 800;
            color: var(--color-primary);
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background: #fff;
        }

        .news-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            font-weight: 800;
        }

        .news-card a {
            color: var(--color-secondary);
            font-weight: 800;
            text-decoration: none;
            display: inline-block;
            margin-top: 15px;
        }

        .news-card a:hover {
            text-decoration: underline;
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: #fff;
        }

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

        .user-info h5 {
            font-weight: 800;
            font-size: 1.05rem;
        }

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

        .review-text {
            font-style: italic;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 联系我们 & 需求匹配表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .contact-form-wrapper h3, .contact-info-wrapper h3 {
            font-size: 1.6rem;
            margin-bottom: 25px;
            font-weight: 900;
        }

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

        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: var(--border-width) solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            font-weight: 700;
            outline: none;
        }

        .form-control:focus {
            box-shadow: 3px 3px 0px var(--color-primary);
        }

        .contact-info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }

        .contact-info-list li {
            font-weight: 700;
        }

        .contact-qr-box {
            display: flex;
            gap: 20px;
            align-items: center;
            background: #fff;
            padding: 20px;
            border: var(--border-width) solid var(--border-color);
            border-radius: 12px;
            box-shadow: var(--shadow-neo);
        }

        .contact-qr-box img {
            width: 100px;
            height: 100px;
            border: 2px solid var(--border-color);
        }

        .contact-qr-text p {
            font-weight: 800;
            margin-bottom: 5px;
        }

        /* 页脚 */
        footer.site-footer {
            background-color: var(--text-dark);
            color: #fff;
            padding: 60px 0 30px 0;
            border-top: var(--border-width) solid var(--border-color);
        }

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

        .footer-about h4, .footer-links h4 {
            color: var(--color-secondary);
            font-size: 1.25rem;
            font-weight: 900;
            margin-bottom: 20px;
        }

        .footer-about p {
            color: #cbd5e1;
            margin-bottom: 20px;
        }

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

        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            font-weight: 700;
            transition: color 0.2s;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .friend-links a {
            background: #1e293b;
            color: #f1f5f9;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            text-decoration: none;
            border: 1px solid #475569;
        }

        .friend-links a:hover {
            background: var(--color-tertiary);
            color: var(--text-dark);
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            text-align: center;
            color: #94a3b8;
            font-size: 0.9rem;
            font-weight: 700;
        }

        /* 侧边浮动 */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            background-color: var(--color-secondary);
            border: var(--border-width) solid var(--border-color);
            width: 50px;
            height: 50px;
            border-radius: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 2px 2px 0px var(--border-color);
            position: relative;
            font-weight: 900;
        }

        .float-item:hover {
            transform: translate(-2px, -2px);
            box-shadow: 4px 4px 0px var(--border-color);
        }

        .float-qr-hover {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #fff;
            border: var(--border-width) solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            display: none;
            box-shadow: var(--shadow-neo);
            text-align: center;
        }

        .float-qr-hover img {
            width: 120px;
            height: 120px;
            display: block;
            margin-bottom: 5px;
        }

        .float-qr-hover span {
            font-size: 0.8rem;
            color: var(--text-dark);
            font-weight: 850;
        }

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

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .data-grid, .solutions-container, .eval-table-wrapper, .price-grid, .news-grid, .reviews-grid, .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: var(--border-width) solid var(--border-color);
                padding: 20px;
                box-shadow: var(--shadow-neo);
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .about-grid, .case-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .data-grid, .solutions-container, .price-grid, .news-grid, .reviews-grid, .glossary-grid {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item.right {
                left: 0;
            }
            .timeline-item::after {
                left: 21px;
            }
            .timeline-item.right::after {
                left: 21px;
            }
        }