.centerbox{ width:1000px; margin:0 auto;}
.centerleft{ width:745px; float:left; overflow:hidden;}
.centerright{ width:226px; float:right;}
.dz_box{width:1000px;margin:0 auto;}
.ckyw{ width:236px; float:left; margin-right:18px;}
.rcjs{ width:236px; float:left;} 
.dlfw{ width:236px; float:right;}
.rzsx{ width:236px; float:left; margin-right:18px;}
.tzyh{ width:236px; float:left;} 
.gyljr{ width:236px; float:right;}
.clear{ clear:both;}




.qyyh{ width:320px; float:left; margin-right:20px;}
.dhyh{ width:320px; float:left;} 
.zjjg{ width:320px; float:right;}


.rzxxhtm{ margin-bottom:20px;}