.nymain .leftNav>h2{font-family:"微软雅黑";}
.ks-r-yxzx-phone{display:none !important;}

@media screen and (max-width: 540px) {
   .ks-r-yxzx-phone{display:block !important;}
   .ks-r-yxzx-pc{display:none !important;}
}