#main_header{width:100%;height:auto;float:left;position:relative;}
#main_footer{width:100%;height:auto;float:left;position:relative;}
#main_layout{width:100%;height:auto;float:left;position:relative;padding:10px 0;}
#main_layout .wrap{width:1220px;height:100%;position:relative;margin:0 auto;}
.left_block{width:300px;min-height:200px;float:left;}
#left {width:300px;height:auto;float:left;margin:10px;}
#left .groupItem{width:298px;position:relative;float:left;margin-bottom:10px;}
#left .groupItem .itemList{width:100%;}
#right {width:880px;height:auto;float:left;margin:10px;background:#FFF;}
#right .groupItem{width:858px;}
#right .groupItem .itemList{width:858px;font-size:14px;}
.ClassMenu {width:300px;height:auto;overflow:hidden;font-size:14px;}
.ClassMenu ul{width:100%;}
.ClassMenu ul li{width:100%;height:36px;line-height:36px;text-indent:30px;font-size:14px;background:#eee;margin:1px 0;}
.ClassMenu ul li a {width:100%;height:100%;display:block;background:#eee;}
.ClassMenu ul li a:hover {background:#FFF;}
.ClassMenu ul .current{border-color:#ff0000;}
.class_nav{width:100%;height:42px;line-height:42px;text-indent:5px;font-size:14px;border-bottom:1px solid #CCC;text-align:left;margin:0 0 20px 0;}
.loop{width:860px;height:auto;overflow:hidden;margin:10px;}