#nav{width:245px;position:relative;top:0px;z-index:2; float: left;}
#nav .mod_cate_hd{ cursor: pointer; color:#fff;height:44px;line-height:44px;font-size:16px;background: #c13c3d url(../images/san.png) 209px center no-repeat;padding: 0 25px;}
#nav .mod_cate_hd a {color: #fff;font-size: 16px;}
#nav .mod_cate{height:42px;line-height:42px;background-color: #f0efef;
	border-bottom: 1px solid #dddddd;}
#nav .mod_cate h2{font-size:14px;font-weight:normal;padding: 0 25px;}
#nav .mod_cate h2 a{color:#333;}
#nav .mod_cate h2 img {
	margin: 0 17px;
}
#nav .mod_cate a.hot_sub{background:#106AC0;font-size:12px;border-radius:9px;padding:0px 5px;margin-left:5px;}
#nav .mod_cate_r{line-height:24px;font-style:normal;font-variant:normal;}
#nav .mod_cate_r a{font-size:12px;color:#C2D9F8;padding-right:5px;}
#nav .mod_subcate{display:none;width:435px;height:100%;background:#b3b2b2;position:absolute;top:0px;z-index:-1;left:245px;overflow:hidden;}
#nav .mod_subcate_main{width:716px;padding:0px 20px 1000px 20px;margin-bottom:-1000px;border-right:1px #ddd solid;float:left;}
#nav .mod_subcate_main a{ display: inline-block;
	width: 50%; color: #fff;}
#nav .mod_subcate_main a:hover{ color: #c13c3d;}
#nav .on{background:#b3b2b2;}
#nav .on h2 a{color:#fff;}
#nav .on .mod_subcate{display:block !important; }
#nav .on .mod_cate_r a{color:#fff;}
#nav .on a.hot_sub{color:#FFFFFF;}