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

        body {
            font-family: "Microsoft Yahei", "微软雅黑", sans-serif;
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }
        
        /* 页眉外层容器 */
        .header{
            width:100%;
            height:120px;
            background:#fff;
            border-bottom:1px solid #eee;
            display:flex;
            align-items:center;
            justify-content:center;
        }
        /* 内容固定宽度容器（控制整体居中，不贴边） */
        .header-box{
            width:1200px;
            max-width:94%;
            display:flex;
            justify-content:space-between;
            align-items:center;
        }
        /* 左侧logo+公司名区域 */
        .header-left{
            display:flex;
            align-items:center;
            gap:15px;
        }
        /* logo样式 */
        .logo{
            width:80px;
            height:80px;
            object-fit:contain;
        }
        /* 公司名称 */
        .company-name{
            font-size:36px;
            font-weight:bold;
            font-family:"华文行楷";
            color:#333;
            white-space:nowrap; /* 强制文字不换行 */
        }
        /* 右侧咨询热线区域 */
        .header-right{
            display:flex;
            align-items:center;
            gap:12px;
            white-space:nowrap; /* 整体不换行 */
        }
        /* 电话图标 */
        .phone-icon{
            font-size:32px;
            color:#333;
        }
        /* 热线文字区域 */
        .phone-wrap{
            line-height:1.2;
            text-align:center;
        }
        /* 热线标题 */
        .phone-txt{
            font-size:20px;
            color:#666;
        }
        /* 手机号 */
        .phone-num{
            font-size:32px;
            font-weight:bold;
            color:#0066ff;
        }
        
        /* ========== 移动端关键适配：手机端强制一行 ========== */
        @media (max-width:768px){
            .header{
                height:auto;
                padding:12px 0;
            }
            .header-box{
                flex-direction:row !important; /* 强制横向一行，不换行 */
                flex-wrap:nowrap; /* 禁止换行 */
                gap:10px;
            }
            /* 缩小logo */
            .logo{
                width:40px;
                height:40px;
            }
            /* 缩小公司名 */
            .company-name{
                font-size:15px;
            }
            /* 缩小电话图标 */
            .phone-icon{
                font-size:15px;
            }
            /* 缩小热线标题 */
            .phone-txt{
                font-size:10px;
            }
            /* 缩小手机号 */
            .phone-num{
                font-size:13px;
            }
            /* 缩小左右间距 */
            .header-left{
                gap:6px;
            }
            .header-right{
                gap:5px;
            }
        }



        /* 首行导航栏 */	
        .run {
			background-color:#2b3f78;
			width:100%;
		}
        nav {
            background-color: #2b3f78;
			width:100%;
			margin: 0 auto;
			position: relative; /* 必须加 */
    		z-index: 9999;      /* 必须加，让导航永远在最上层 */         
		}

        nav ul {
            list-style-type: none;
            display: flex;
            justify-content: space-around;
            flex-wrap: nowrap; /*强制不换行*/
			font-size:24px;
			padding: 0;
			margin: 0;
        }

        nav ul li {
            flex: 1; /* 让所有 li 等分剩余空间，自动缩小 */
            min-width: 0; /* 允许内容被压缩 */
            text-align: center;
        }

        nav ul li a {
            display: block;
            color: white;
            text-align: center;
            padding: 14px 8px;
            text-decoration: none;
            white-space: nowrap; /* 文字不换行 */
            overflow: hidden; /* 防止文字溢出 */
        }

        nav ul li a:hover {
            background-color: #ddd;
            color: black;
        }
		
		/* 新增：下拉菜单容器样式 */
        .dropdown {
            position: relative;
        }
        .dropdown-content {
            display: none; /* 默认隐藏 */
            position: absolute;
            top: 100%; /* 紧贴导航栏下方 */
            left: 0;
            width: 100%; /* 宽度和导航栏li一致 */
            background-color: #2b3f78;
            z-index: 999999; /* 确保在最上层 */
        }
        .dropdown-content a {
            font-size: 1.2vw; /* 下拉菜单文字比导航栏小 */
            padding: 10px 4px;  
			overflow: hidden;   
			text-overflow: ellipsis; 
            white-space: nowrap;
            text-align: center;
            border-bottom: 1px solid rgba(255,255,255,0.1); /* 可选：分隔线 */
        }
        /* 鼠标悬浮显示下拉菜单 */
        .dropdown:hover .dropdown-content {
            display: block;
        }
        /* 下拉菜单hover效果 */
        .dropdown-content a:hover {
            background-color: #ddd;
            color: black;
        }

        /* 滑动效果的样式 */
       .slider {
            position: relative;
            height: 4px;
            background-color: white;
            transition: left 0.2s ease;
        }
        @media (max-width: 768px) {
          nav ul {
            font-size: 14px; /* 移动端缩小字体 */
          }
          nav ul li a {
            padding: 12px 4px; /* 进一步减小内边距 */
          }
		  /* 下拉菜单移动端文字大小 */
          .dropdown-content a {
            font-size: 1.0vw; /* 比导航栏文字小 */
            padding: 8px 3px;
          }
        }
        
        @media (max-width: 480px) {
          nav ul {
            font-size: 12px; /* 更小屏幕再缩小 */
          }
		  /* 下拉菜单超小屏文字大小 */
          .dropdown-content a {
            font-size: 0.9vw;
            padding: 6px 2px;
          }
        }
        
        
        
        /* 图片 */
        .pro {
        	width:100%;
        	height:420px;
         	background-color:#F8F8F8;
        	background: url(../image/产品中心/首页/未标题-3.jpg) no-repeat;
        	background-size: cover; /*将元素填满同时保证图片尺寸不变形*/
        	background-position: 50%;
        }
        /*平板*/
        @media screen and (max-width:1024px){
          .pro{height:320px;}
        }
        /*手机端*/
        @media screen and (max-width:768px){
          .pro{height:200px;}
        }

        /* 页面主容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 15px;
        }

        /* 面包屑导航 */
        .breadcrumb {
            font-size: 14px;
            color: #606266;
            margin-bottom: 25px;
        }
        .breadcrumb a {
            color: #606266;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .breadcrumb a:hover {
            color: #409eff;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #c0c4cc;
        }
        .breadcrumb .current {
            color: #303133;
            font-weight: 500;
        }

        /* 一级分类导航栏 */
        .category-nav {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .category-item {
            padding: 8px 22px;
            background-color: #fff;
            border: 1px solid #e4e7ed;
            border-radius: 20px;
            cursor: pointer;
            font-size: 14px;
            color: #606266;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .category-item.active {
            background-color: #409eff;
            color: #fff;
            border-color: #409eff;
        }

        .category-item:hover {
            color: #409eff;
            border-color: #409eff;
        }

        .category-item.active:hover {
            color: #fff;
        }

        /* 二级筛选栏（产品标签 + 搜索框） */
        .filter-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            margin-bottom: 30px;
            padding: 16px 20px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            flex-wrap: wrap;
        }

        /* 产品标签组 */
        .product-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex: 1;
        }

        .product-tag {
            padding: 6px 16px;
            font-size: 13px;
            color: #606266;
            background-color: #f5f7fa;
            border-radius: 16px;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap; /* 标签文字也禁止换行 */
        }

        .product-tag.active {
            background-color: #ecf5ff;
            color: #409eff;
        }

        .product-tag:hover {
            background-color: #ecf5ff;
            color: #409eff;
        }

        /* 搜索框 */
        .search-box {
            display: flex;
            width: 280px;
            flex-shrink: 0;
            flex-wrap: nowrap; /* 强制输入框和按钮在同一行，不换行 */
        }

        .search-box input {
            flex: 1;
            height: 36px;
            padding: 0 12px;
            border: 1px solid #e4e7ed;
            border-right: none;
            border-radius: 4px 0 0 4px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s ease;
            white-space: nowrap; /* 输入文字禁止换行 */
            overflow: hidden;
            text-overflow: ellipsis; /* 文字超出显示省略号 */
        }

        .search-box input:focus {
            border-color: #409eff;
        }

        .search-btn {
            width: 70px;
            height: 36px;
            border: none;
            background-color: #409eff;
            color: #fff;
            font-size: 14px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s ease;
            white-space: nowrap; /* 按钮文字强制不换行 */
            flex-shrink: 0; /* 按钮宽度不被压缩 */
        }

        .search-btn:hover {
            background-color: #66b1ff;
        }

        /* 文章列表容器 */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        /* 单篇文章卡片 */
        .article-item {
            display: flex;
            background-color: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
        }

        .article-item:hover {
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transform: translateY(-3px);
        }

        /* 文章图片区域 */
        .article-img {
            width: 260px;
            flex-shrink: 0;
            overflow: hidden;
        }

        .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .article-item:hover .article-img img {
            transform: scale(1.05);
        }

        /* 文章内容区域 */
        .article-content {
            flex: 1;
            padding: 22px 28px;
            display: flex;
            flex-direction: column;
        }

        /* 发布时间 */
        .article-date {
            font-size: 13px;
            color: #909399;
            margin-bottom: 8px;
        }

        /* 文章标题 */
        .article-title {
            font-size: 18px;
            font-weight: 600;
            color: #303133;
            margin-bottom: 12px;
            line-height: 1.4;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .article-title:hover {
            color: #409eff;
        }

        /* 文章简介 */
        .article-desc {
            font-size: 14px;
            color: #606266;
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 详情按钮 */
        .btn-detail {
            align-self: flex-start;
            padding: 6px 18px;
            font-size: 13px;
            color: #409eff;
            border: 1px solid #409eff;
            border-radius: 4px;
            text-decoration: none;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-detail:hover {
            background-color: #409eff;
            color: #fff;
        }

        /* 空状态提示 */
        .empty-tip {
            padding: 60px 20px;
            text-align: center;
            color: #909399;
            font-size: 14px;
            background-color: #fff;
            border-radius: 8px;
        }

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .page-btn {
            min-width: 36px;
            height: 36px;
            padding: 0 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #fff;
            border: 1px solid #e4e7ed;
            border-radius: 4px;
            color: #606266;
            font-size: 14px;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            user-select: none;
            white-space: nowrap;
        }

        .page-btn:hover:not(.disabled):not(.active) {
            color: #409eff;
            border-color: #409eff;
        }

        .page-btn.active {
            background-color: #409eff;
            color: #fff;
            border-color: #409eff;
        }

        .page-btn.disabled {
            color: #c0c4cc;
            cursor: not-allowed;
            background-color: #f5f7fa;
        }

        /* 移动端响应式适配 */
        @media (max-width: 768px) {
            .article-item {
                flex-direction: column;
            }
            .article-img {
                width: 100%;
                height: 0;
                padding-top: 75%;
                position: relative;
            }
            .article-img img {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
            }
            .article-content {
                padding: 18px 20px;
            }
            .pagination {
                gap: 6px;
                margin-top: 30px;
            }
            .page-btn {
                min-width: 32px;
                height: 32px;
                font-size: 13px;
                padding: 0 10px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .search-box {
                width: 100%;
            }
            /* 移动端搜索框字体微调，保证显示完整 */
            .search-box input,
            .search-btn {
                font-size: 13px;
            }
        }
        
        
        
        /* 底栏整体 */
        footer{
            background-color:#33383f;
            color:#ffffff;
            padding:60px 80px 30px;
        }

        /* 上半部分：三栏信息区 */
        .foot-main{
            display:flex;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:20px;
            margin-bottom:40px;
        }
        .foot-left,.foot-center,.foot-right{
            width:32%;
        }
        .foot-left h3,.foot-center h3,.foot-right h3{
            font-size:24px;
            margin-bottom:25px;
        }
        .foot-left p{
            font-size:16px;
            line-height:2.2;
            margin-bottom:8px;
        }
        .wechat-qrcode{
            margin-top:20px;
        }
        .wechat-qrcode img{
            width:100px;
            height:100px;
        }
        .wechat-qrcode span{
            display:block;
            font-size:14px;
            margin-top:8px;
        }
        .foot-center a{
            display:block;
            color:#fff;
            text-decoration:none;
            font-size:16px;
            line-height:2.2;
            margin-bottom:8px;
        }
        .foot-center a:hover{
            color:#a0cfff;
        }
        .foot-right a{
            display:block;
            color:#fff;
            text-decoration:none;
            font-size:16px;
            line-height:1.5;
            margin-bottom:8px;
        }
        .foot-right a:hover{
            color:#a0cfff;
        }

        /* ========== 版权区（你要的效果在这里） ========== */
        .foot-copyright{
            text-align:center;
            border-top:1px solid rgba(255,255,255,0.15);
            padding-top:25px;
            font-size:15px;
            line-height:2.2;
        }
        /* 所有链接默认：白色，无下划线 */
        .foot-copyright a{
            color:#ffffff !important;
            text-decoration:none !important;
            margin:0 6px;
            transition:all 0.3s;
        }
        /* 鼠标悬浮：浅蓝色 */
        .foot-copyright a:hover{
            color:#a0cfff !important;
        }
        .police-icon{
            width:18px;
            height:18px;
            vertical-align:middle;
            margin:0 4px;
        }

        /* ========== 移动端适配 ========== */
        @media (max-width:768px){
            footer{padding:30px 20px 20px;}
            .foot-main{flex-direction:column;}
            .foot-left,.foot-center,.foot-right{width:100%;margin-bottom:25px;}
            .foot-left h3,.foot-center h3,.foot-right h3{font-size:20px;margin-bottom:15px;}
            .wechat-qrcode img{width:80px;height:80px;}
            .foot-copyright{font-size:14px;line-height:2;}
        }

 
 
 
 
/* 悬浮按钮容器：固定在右侧，可拖动 */
        .floating-container {
            position: fixed;
            right: 20px;
            bottom: 50px;
            z-index: 9999; /* 确保在最上层 */
            cursor: move; /* 长按拖动时的鼠标样式 */
        }

        /* 圆形触发按钮 */
        .floating-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #0066ff;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
        }

        /* 悬浮展开的客服面板 */
        .service-panel {
            width: 280px;
            background-color: #0066ff;
            color: #fff;
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            position: absolute;
            right: 70px; /* 面板在按钮左侧展开 */
            bottom: 0;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            transform-origin: right bottom;
            transform: scale(0.8);
        }

        /* 鼠标悬浮时展开面板 */
        .floating-container:hover .service-panel {
            opacity: 1;
            visibility: visible;
            transform: scale(1);
        }

        /* 面板内样式 */
        .panel-title {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 8px;
        }
        .panel-english {
            font-size: 14px;
            opacity: 0.8;
            margin-bottom: 15px;
        }
        .qr-code {
            width: 100%;
            margin-bottom: 10px;
        }
        .qr-desc {
            text-align: center;
            font-size: 14px;
            margin-bottom: 15px;
        }
        .service-phone {
            font-size: 16px;
            text-align: center;
            margin-bottom: 15px;
        }
        .online-btn {
            display: block;
            width: 100%;
            padding: 10px;
            background-color: #28a745;
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .online-btn:hover {
            background-color: #218838;
        }
        .up-arrow {
            text-align: center;
            margin-top: 10px;
            font-size: 14px;
            cursor: pointer;
        }