.main ul li .dh_a{text-align:left;padding-left:16px;background:url(/template/mz178/images/hot.png)no-repeat 102px 7px;}.nav a{font-family:microsoft yahei;font-weight:500;font-size:16px;}.nav a:hover{color: #ffffff;background-color:#c60a0a!important;}
.sysy{background: url(sy.png) no-repeat;text-indent: -99em;}
.mzsysy{background: url(mzsy.png) no-repeat;text-indent: -99em;}
.btm_li a:hover {
    background: url(mzsy.png) no-repeat;text-indent: -99em;
}