.header{width:100%; line-height: 50px;background-color: #000;display: block;height:50px;position: fixed;top:0;left: 0;z-index: 999}
.header_content{width:80%;margin:0 auto;display: flex}
.header_content_left{float:left;width:320px;height:50px;}
.header_content_left img{width:200px;}
.header_middle{display: flex;align-items: center;height:50px;flex: 1}
.header_middle .header_dh_item a{color:#fff;font-size: 16px}
.header_middle .header_dh_item a:hover{color:#fff;font-size: 16px}

.regi{font-size:14px;color:black; text-decoration: none}
.header_content_right{display: flex;align-items: center}
.header_content_right .select_lang{color:red;}
.clear_both{clear: both}

.pagination ul li{
    display: inline-block!important;
}
/*分页样式*/
.pagination{padding:25px 0 15px;text-align:center;overflow:hidden;}
.pagination a{font-size:12px;line-height:30px;display:inline-block;height:30px;padding:0 12px;text-align:center;color:#333;border: 1px solid #e3e3e3;background:#fff;margin-left:2px;}
.pagination a.a1{line-height:30px;height:30px;margin-top:0;padding:0 12px;}
.pagination a:hover{text-decoration:none;color:#000;background:#f1f1f1;}
.pagination span{line-height:30px;display:inline-block;height:30px;padding:0 12px;text-align:center;color:#fff;margin-left:2px;background:red;color:#fff;border:1px solid red;}
pre{background-color: #282c35;font-size:16px;color:white;padding:20px 10px; line-height:1.5em;}
.article_content{font-size:14px;color:black;line-height:1.8em;margin-top:20px;}

.contact_menu{position: fixed;top:350px;right: 0;padding:10px;border: solid 1px #ddd;z-index: 999;background-color: #fff;border-radius: 10px;}
.contact_menu_title{font-size: 14px;color:#000;width: 100%;text-align: center;}
.contact_menu_item{display: flex;margin-bottom: 10px;align-items: center}
.contact_menu_item label{font-weight: bold;color:#000;margin-right: 4px;}
.contact_wx{width:100%;height:100px;text-align: center;margin-bottom: 10px;}
.contact_wx img{width:100px;height:100px;}
.header_dh_item{width:100px;text-align: center}
.header_dh_item:hover{background-color:#4C4D4F}
.cur{color: red!important;}
.lang_item{color:#fff;margin-right: 20px;cursor: pointer;}
.lang_item:hover{color: red;}
.red{color: red;}