/* 撞色艳色风 - 现代科技高对比度样式 */
        :root {
            --primary: #0052ff; /* 科技深蓝 */
            --secondary: #ff5a00; /* 撞色亮橙 */
            --accent: #00df89; /* 撞色极光绿 */
            --dark: #090d1a; /* 深灰近黑 */
            --text-main: #1e293b; /* 默认主字色 */
            --text-muted: #64748b; /* 辅助字色 */
            --bg-main: #f8fafc; /* 全局浅灰底 */
            --bg-card: #ffffff; /* 卡片白底 */
            --border-color: #e2e8f0;
            --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(--bg-main);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 统一版块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-tag {
            display: inline-block;
            background-color: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 1px;
            border: 2px solid var(--dark);
            box-shadow: 2px 2px 0 var(--dark);
        }

        .section-title {
            font-size: 2rem;
            color: var(--dark);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
            border: 2px solid var(--dark);
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 4px 4px 0 var(--dark);
        }

        .btn-primary:hover {
            background-color: var(--secondary);
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--dark);
            color: #fff;
        }

        .btn-accent {
            background-color: var(--secondary);
            color: #fff;
            box-shadow: 4px 4px 0 var(--dark);
        }

        .btn-accent:hover {
            background-color: var(--accent);
            color: var(--dark);
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--dark);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
        }

        .btn-outline:hover {
            background-color: #fff;
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--dark);
        }

        /* 导航栏 */
        header {
            background-color: #fff;
            border-bottom: 3px solid var(--dark);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

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

        .logo-wrap img {
            height: 45px;
        }

        .logo-wrap span {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
        }

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

        .nav-menu a {
            color: var(--dark);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 4px;
            transition: all 0.2s;
        }

        .nav-menu a:hover {
            background-color: rgba(0, 82, 255, 0.08);
            color: var(--primary);
        }

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero首屏 - 严禁出现背景图及宣传图片 */
        .hero {
            background: linear-gradient(135deg, #fff 0%, #e0f2fe 100%);
            border-bottom: 4px solid var(--dark);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 150px;
            height: 150px;
            border: 3px solid var(--secondary);
            border-radius: 50%;
            top: -50px;
            right: -50px;
            opacity: 0.2;
        }

        .hero-inner {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: var(--dark);
            font-weight: 700;
            padding: 6px 16px;
            border: 2px solid var(--dark);
            box-shadow: 3px 3px 0 var(--dark);
            border-radius: 50px;
            margin-bottom: 24px;
            font-size: 0.9rem;
        }

        .hero-h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            color: var(--dark);
            font-weight: 900;
            margin-bottom: 24px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-main);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        /* 突出醒目官网按钮 */
        .btn-hero-main {
            background-color: var(--secondary);
            color: #fff;
            font-size: 1.2rem;
            padding: 16px 36px;
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
        }
        .btn-hero-main:hover {
            background-color: var(--accent);
            color: var(--dark);
            transform: translate(-3px, -3px);
            box-shadow: 9px 9px 0 var(--dark);
        }

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

        .stat-card {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            padding: 24px;
            text-align: center;
            border-radius: 8px;
            transition: all 0.2s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 8px 8px 0 var(--dark);
        }

        .stat-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

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

        .about-content {
            font-size: 1.1rem;
        }

        .about-text {
            margin-bottom: 24px;
            color: var(--text-main);
        }

        .about-points {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .about-points li {
            position: relative;
            padding-left: 28px;
            font-weight: 600;
            color: var(--dark);
        }

        .about-points li::before {
            content: "✔";
            position: absolute;
            left: 0;
            color: var(--accent);
            background-color: var(--dark);
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
        }

        .about-side-box {
            background-color: var(--accent);
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
            padding: 30px;
            border-radius: 12px;
        }

        .about-side-box h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }

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

        .service-card {
            background: #fff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 4px 4px 0 var(--dark);
            transition: all 0.2s;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 8px 8px 0 var(--dark);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

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

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tags span {
            font-size: 0.75rem;
            background-color: #f1f5f9;
            color: var(--dark);
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid var(--border-color);
        }

        /* 一站式创作、解决方案、流程时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-step {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--secondary);
            border: 2px solid var(--dark);
            box-shadow: 2px 2px 0 var(--dark);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
            z-index: 2;
        }

        .timeline-content {
            margin-left: 30px;
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            padding: 20px;
            border-radius: 8px;
            flex-grow: 1;
        }

        .timeline-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        /* 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .map-mockup {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            padding: 30px;
            border-radius: 12px;
            min-height: 250px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .network-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .network-tag-cloud span {
            background-color: var(--primary);
            color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 2px 2px 0 var(--dark);
            padding: 6px 14px;
            font-weight: 700;
            border-radius: 6px;
        }

        /* 技术标准 */
        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .standard-card {
            border-top: 5px solid var(--primary);
            background: #fff;
            border-left: 2px solid var(--dark);
            border-right: 2px solid var(--dark);
            border-bottom: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            padding: 24px;
            border-radius: 0 0 8px 8px;
        }

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

        .case-card {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            border-radius: 8px;
            overflow: hidden;
        }

        .case-img-wrap {
            height: 220px;
            overflow: hidden;
            border-bottom: 2px solid var(--dark);
            position: relative;
        }

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

        .case-info {
            padding: 24px;
        }

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

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

        table {
            width: 100%;
            border-collapse: collapse;
            background-color: #fff;
            text-align: left;
        }

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

        th {
            background-color: var(--dark);
            color: #fff;
            font-weight: 700;
        }

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

        .highlight-col {
            background-color: rgba(0, 82, 255, 0.05);
            font-weight: 700;
        }

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

        .token-card {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            padding: 24px;
            border-radius: 8px;
        }

        .token-card.best {
            border-color: var(--secondary);
            box-shadow: 6px 6px 0 var(--secondary);
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            margin: 15px 0;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .training-card {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            padding: 30px;
            border-radius: 8px;
        }

        /* 智能需求匹配与联系我们表单 */
        .contact-form-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .form-container {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
            padding: 40px;
            border-radius: 12px;
        }

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

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

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--dark);
            border-radius: 6px;
            font-size: 1rem;
            background-color: #fff;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 3px 3px 0 var(--primary);
        }

        .contact-info-panel {
            background-color: var(--dark);
            color: #fff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 8px 8px 0 var(--primary);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 24px;
        }

        .info-label {
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 6px;
        }

        .info-val {
            font-size: 1.15rem;
            font-weight: 600;
        }

        .qr-code-area {
            background-color: #fff;
            padding: 15px;
            border-radius: 8px;
            display: inline-block;
            margin-top: 15px;
            text-align: center;
        }

        .qr-code-area img {
            width: 130px;
            height: 130px;
        }

        .qr-code-area p {
            color: var(--dark);
            font-size: 0.8rem;
            font-weight: 700;
            margin-top: 8px;
        }

        /* 帮助中心与 FAQ 折叠面板 */
        .faq-accordion {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            border: 2px solid var(--dark);
            box-shadow: 3px 3px 0 var(--dark);
            background-color: #fff;
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: #fff;
            transition: background-color 0.2s;
        }

        .faq-question:hover {
            background-color: rgba(0, 82, 255, 0.03);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 0 solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 300px;
            border-top: 1px solid var(--border-color);
        }

        .faq-icon::before {
            content: "+";
            font-size: 1.3rem;
            font-weight: 800;
        }

        .faq-item.active .faq-icon::before {
            content: "-";
        }

        /* 常见问题自助排查 & AI术语百科 */
        .diagnose-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .diagnose-box {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            padding: 28px;
            border-radius: 8px;
        }

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

        .review-card {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            padding: 24px;
            border-radius: 8px;
            position: relative;
        }

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

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 2px solid var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
        }

        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 2px;
        }

        .user-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background-color: #fff;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-body {
            padding: 20px;
        }

        .article-body h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .article-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .article-foot {
            padding: 15px 20px;
            background-color: #f8fafc;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* 浮动客服入口 */
        .float-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
        }

        .float-kefu-btn {
            background-color: var(--secondary);
            color: #fff;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.8rem;
            transition: all 0.2s;
        }

        .float-kefu-btn:hover {
            transform: rotate(15deg) scale(1.05);
        }

        .float-kefu-panel {
            display: none;
            position: absolute;
            bottom: 75px;
            right: 0;
            width: 250px;
            background-color: #fff;
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
        }

        .float-kefu-panel.active {
            display: block;
        }

        /* 加盟代理区 */
        .agent-banner {
            background-color: var(--accent);
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
            border-radius: 12px;
            padding: 40px;
            text-align: center;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 4px solid var(--primary);
        }

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

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 1.05rem;
            font-weight: 700;
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul a {
            color: #94a3b8;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .friend-links a {
            color: #94a3b8;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #64748b;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid, .service-grid, .token-grid, .reviews-grid, .articles-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-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-color: #fff;
                border-bottom: 3px solid var(--dark);
                padding: 20px;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-h1 {
                font-size: 2.2rem;
            }
            .stats-grid, .service-grid, .token-grid, .reviews-grid, .articles-list, .standards-grid, .cases-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .about-grid, .network-grid, .contact-form-layout, .diagnose-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }