/*关于我们*/
 .bg_box{font-family:"微软雅黑","宋体"; font-size:12px;color:#666; background-color:#fff; width:980px; overflow:hidden; padding:20px 250px;}

.about_mk{ overflow:hidden; width:100%; line-height:20px; margin-top:5px;}

.about_mk p{ text-indent:20px; padding:30px 0; height:70px;}

.about_mk p.eng{ font-family:Arial, Helvetica, sans-serif;}

.about_mk .bt{ margin-bottom:20px;}

.nr1l{ width:630px;}
.nr2r{ width:250px;}
.nr2rr{ width:490px;}
.fl{ float:left;}
.frr{   
line-height:40px;	
}
 
.nr2l{ margin-left:100px; margin-top:18px;}