.headTopic .description {
background:url(http://img.jihui88.com/upload/h/h3/hlmj/picture/2017/04/13/aea60670-bb17-494b-90ce-a22b8e79830a.jpg) no-repeat center center;
}
#category_nav {

}
#category_nav .bodyContTitle {
display:block;
}
#category_nav .treeDiv {
position:relative;
height:34px;
}
#category_nav .treeDiv .ygtvitem2 {
display:block;
margin-bottom:10px;
padding:10px 0;
border-bottom:1px solid #ccc;
}
#category_nav .treeDiv .ygtvchildren .ygtvitem3 {
display:inline-block;
*display:inline;
*zoom:1;
vertical-align:top;
margin-bottom:0;
padding:0;
border-bottom:0 none;
}
#category_nav .children1 .ygtvtable-div1 {
padding-bottom:10px;
}
#category_nav .children2 {
position:absolute;
width:100%;
background:#efefef;
}
#category_nav .children2 .ygtvtable-div2 {
display:inline-block;
*display:inline;
*zoom:1;
vertical-align:top;
}
#category_nav .children2 .ygtvtable-div2 a {
color:#2d57b6;
font-weight:bold;
border-right:1px solid #ccc;
}
#category_nav .children3 {
display:inline-block;
*display:inline;
*zoom:1;
vertical-align:top;
}