/* 变量定义 - 强烈的撞色艳色风 */
        :root {
            --primary: #0052ff;      /* 电光蓝 */
            --accent: #ff4d00;       /* 活力橙 */
            --dark: #0f172a;         /* 深空蓝灰 */
            --light: #f8fafc;        /* 亮白灰 */
            --card-bg: #ffffff;      /* 纯白 */
            --border: #e2e8f0;       /* 浅边框 */
            --neon-green: #10b981;   /* 极客绿 */
            --text-dark: #1e293b;    /* 文本主色 */
            --text-muted: #64748b;   /* 辅助文本 */
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 全局通用布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .logo-box {
            display: flex;
            align-items: center;
        }

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

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

        .nav-menu a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 14px;
            transition: color 0.3s;
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: rgba(0, 82, 255, 0.05);
        }

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

        .btn-nav-primary {
            background: linear-gradient(135deg, var(--primary), #1e40af);
            color: white !important;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            text-decoration: none;
            font-weight: bold;
            box-shadow: 0 4px 6px rgba(0, 82, 255, 0.2);
            transition: all 0.3s;
        }

        .btn-nav-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 82, 255, 0.3);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark);
            cursor: pointer;
        }

        /* 移动端菜单激活样式 */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                border-bottom: 2px solid var(--primary);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .nav-toggle {
                display: block;
            }

            .nav-btn-group {
                display: none;
            }
        }

        /* 首屏 Hero 区域 - 无任何图片，纯视觉与色彩碰撞 */
        .hero-section {
            background: radial-gradient(circle at 10% 20%, rgba(0, 82, 255, 0.08) 0%, rgba(255, 77, 0, 0.05) 90.1%), var(--card-bg);
            padding: 100px 0 80px 0;
            text-align: center;
            border-bottom: 4px solid var(--dark);
            position: relative;
            overflow: hidden;
        }

        /* 几何色块装饰元素 */
        .hero-shape {
            position: absolute;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.15;
            z-index: 1;
        }

        .shape-1 { width: 300px; height: 300px; top: -50px; left: -50px; }
        .shape-2 { width: 250px; height: 250px; bottom: -50px; right: -50px; }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .badge-hero {
            background-color: var(--dark);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid var(--accent);
        }

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .hero-title span {
            color: var(--primary);
            position: relative;
        }

        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background-color: rgba(255, 77, 0, 0.2);
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 35px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-main {
            background-color: var(--accent);
            color: white;
            padding: 14px 32px;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
            border-radius: 8px;
            box-shadow: 0 6px 20px rgba(255, 77, 0, 0.3);
            transition: all 0.3s;
            border: 2px solid var(--accent);
        }

        .btn-main:hover {
            background-color: transparent;
            color: var(--accent);
            transform: translateY(-3px);
        }

        .btn-sec {
            background-color: var(--dark);
            color: white;
            padding: 14px 32px;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
            border-radius: 8px;
            transition: all 0.3s;
            border: 2px solid var(--dark);
        }

        .btn-sec:hover {
            background-color: transparent;
            color: var(--dark);
            transform: translateY(-3px);
        }

        /* 核心数据卡片 */
        .stats-section {
            padding: 40px 0;
            background-color: var(--dark);
            color: white;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 5px;
        }

        .stat-item p {
            font-size: 14px;
            color: #94a3b8;
        }

        /* 栏目容器样式 */
        .section-padding {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            position: relative;
            display: inline-block;
            margin-bottom: 15px;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background-color: var(--primary);
            margin: 8px auto 0 auto;
            border-radius: 2px;
        }

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

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

        @media (max-width: 768px) {
            .about-grid {
                grid-template-columns: 1fr;
            }
        }

        .about-text h3 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--text-dark);
            text-align: justify;
        }

        .highlight-box {
            background-color: rgba(0, 82, 255, 0.05);
            border-left: 4px solid var(--primary);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin-top: 20px;
        }

        .highlight-box h4 {
            color: var(--dark);
            margin-bottom: 5px;
        }

        /* 全平台 AIGC 服务 */
        .model-list-wrapper {
            background-color: var(--card-bg);
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .model-tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            background-color: var(--light);
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            transition: all 0.2s;
        }

        .model-tag:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* 一站式AIGC制作 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .card-item {
            background-color: var(--card-bg);
            border: 2px solid var(--border);
            border-radius: 10px;
            padding: 30px;
            transition: all 0.3s;
            position: relative;
        }

        .card-item:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(255, 77, 0, 0.1);
        }

        .card-icon {
            font-size: 36px;
            margin-bottom: 20px;
            color: var(--accent);
        }

        .card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

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

        /* 全行业解决方案 与 全国服务网络 */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        @media (max-width: 768px) {
            .split-section {
                grid-template-columns: 1fr;
            }
        }

        .split-card {
            background-color: var(--card-bg);
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 35px;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .split-card h3 {
            font-size: 22px;
            color: var(--dark);
            margin-bottom: 20px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 10px;
            display: inline-block;
        }

        .split-list {
            list-style: none;
        }

        .split-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 12px;
            font-size: 14px;
        }

        .split-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--neon-green);
            font-weight: bold;
        }

        /* 流程步骤与技术标准 */
        .step-container {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            position: relative;
        }

        @media (max-width: 768px) {
            .step-container {
                flex-direction: column;
            }
        }

        .step-card {
            flex: 1;
            background-color: var(--card-bg);
            border-top: 4px solid var(--primary);
            padding: 25px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            border-radius: 0 0 8px 8px;
            text-align: center;
        }

        .step-number {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
            font-weight: 700;
        }

        /* 客户案例中心 */
        .media-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .media-box {
            background-color: var(--card-bg);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        .media-box img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: transform 0.3s;
        }

        .media-box:hover img {
            transform: scale(1.05);
        }

        .media-info {
            padding: 15px;
        }

        .media-tag {
            background-color: rgba(255, 77, 0, 0.1);
            color: var(--accent);
            padding: 3px 8px;
            font-size: 12px;
            border-radius: 4px;
            font-weight: 700;
        }

        .media-title {
            font-size: 16px;
            font-weight: 700;
            margin-top: 8px;
            color: var(--dark);
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background-color: var(--card-bg);
            border: 2px solid var(--dark);
            border-radius: 12px;
            box-shadow: 6px 6px 0px var(--dark);
        }

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

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

        .comparison-table th {
            background-color: var(--dark);
            color: white;
        }

        .comparison-table tr:hover {
            background-color: rgba(0, 82, 255, 0.02);
        }

        .badge-score {
            display: inline-block;
            background-color: var(--accent);
            color: white;
            padding: 15px 30px;
            border-radius: 10px;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 30px;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
        }

        /* Token 比价与加盟代理 */
        .pricing-section {
            background-color: var(--dark);
            color: white;
            padding: 80px 0;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        .price-card {
            background-color: #1e293b;
            border: 2px solid var(--accent);
            border-radius: 12px;
            padding: 30px;
        }

        .price-card h3 {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .price-list {
            list-style: none;
        }

        .price-list li {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px dashed rgba(255,255,255,0.1);
        }

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

        .training-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            border-bottom: 4px solid var(--primary);
            transition: transform 0.3s;
        }

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

        .training-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .training-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .training-tag {
            display: inline-block;
            background-color: rgba(0, 82, 255, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }

        /* 智能需求匹配 - 表单提交 */
        .form-wrapper {
            background-color: var(--card-bg);
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 40px;
            max-width: 700px;
            margin: 0 auto;
            box-shadow: 6px 6px 0px var(--dark);
        }

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

        .form-group label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--border);
            border-radius: 6px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
        }

        .btn-submit {
            width: 100%;
            background-color: var(--primary);
            color: white;
            border: 2px solid var(--dark);
            padding: 14px;
            font-size: 18px;
            font-weight: 700;
            border-radius: 6px;
            cursor: pointer;
            box-shadow: 4px 4px 0px var(--dark);
            transition: all 0.2s;
        }

        .btn-submit:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--dark);
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--card-bg);
            border: 2px solid var(--border);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-muted);
            border-top: 1px solid transparent;
            font-size: 14px;
        }

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

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 20px;
            border-top: 1px solid var(--border);
        }

        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: bold;
        }

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

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background-color: var(--card-bg);
            border: 2px solid var(--border);
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-dark);
            font-style: italic;
            margin-bottom: 20px;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .author-info h4 {
            font-size: 14px;
            color: var(--dark);
        }

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

        /* 行业资讯 / 知识库 */
        .articles-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        @media (max-width: 768px) {
            .articles-list {
                grid-template-columns: 1fr;
            }
        }

        .article-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 20px;
            transition: all 0.3s;
        }

        .article-item:hover {
            border-color: var(--primary);
            box-shadow: 0 5px 15px rgba(0,82,255,0.08);
        }

        .article-link {
            text-decoration: none;
            color: var(--dark);
            font-weight: 700;
            font-size: 16px;
            display: block;
            margin-bottom: 10px;
        }

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

        .article-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 二级栏目：AI 术语百科与问题自助排查 */
        .encyclopedia-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .encyclopedia-card {
            background-color: var(--card-bg);
            border-left: 4px solid var(--accent);
            padding: 15px 20px;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        .encyclopedia-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 5px;
        }

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

        /* 联系我们与加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        .contact-info-card {
            background-color: var(--dark);
            color: white;
            border-radius: 12px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-card h3 {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 25px;
        }

        .contact-details p {
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
        }

        .contact-qr-wrapper {
            margin-top: 30px;
            background-color: #1e293b;
            padding: 20px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .contact-qr-wrapper img {
            width: 100px;
            height: 100px;
            border-radius: 4px;
        }

        .contact-qr-text h4 {
            font-size: 16px;
            color: white;
            margin-bottom: 5px;
        }

        .contact-qr-text p {
            font-size: 12px;
            color: #94a3b8;
        }

        /* 页脚区域 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 4px solid var(--accent);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-col h4 {
            color: white;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

        .footer-col ul li a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

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

        .friendly-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            background-color: #1e293b;
            padding: 5px 12px;
            border-radius: 4px;
            transition: all 0.2s;
        }

        .friendly-links a:hover {
            color: white;
            background-color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
        }

        /* 悬浮客服面板 */
        .floating-kefu {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            background-color: var(--accent);
            color: white;
            border: 2px solid var(--dark);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 4px 4px 0px var(--dark);
            transition: all 0.3s;
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .kefu-modal {
            position: fixed;
            right: 90px;
            bottom: 40px;
            z-index: 1000;
            background-color: white;
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 6px 6px 0px var(--dark);
            display: none;
            width: 260px;
            text-align: center;
        }

        .kefu-modal img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }

        .kefu-modal h5 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 5px;
        }

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