.top_nr a{ float: right; display: block;}.zcdl span{
margin: 0 5px;}.nav_right{width: 235px;
    height: 26px;
    margin: 0;
    padding-top: 12px;
    float: right;}
.nav_right li a{color: #FFFFFF;font-size: 12px;font-weight:normal;}
.nav_right li a:hover{background:none;}