body{background:#FAFAFA;font-family:Microsoft Yahei;font-size:14px;}
    .gcjs_content_er{ width: 1200px;margin: 0 auto;overflow: hidden;margin-top: -41px;}
    .fl{float:left}
    .rt{float:right}
    .left_content{width:317px;overflow: hidden;}
    .right_content{width:860px;overflow: hidden;}
    .mbx_nav{margin-top:20px;margin-bottom:15px;}
.xxgk_top_list ul li:hover {
    background:  #bd1a2b !important;
}
.xxgk_top_list ul li.chover {
    background: #bd1a2b !important;
}
@media screen and (max-width:600px){
.gcjs_content_er{
width: 100%;
}
.left_content {
    width: 100%;
    overflow: hidden;
}
.right_content {
    width: 100%;
    overflow: hidden;
}
.list_box ul li a {
    float: left;
    width: 77%;
}
}