.nav > ul > li{margin-left:62px;}
.nymain .leftNav > h2.longtit{line-height: 2;font-size: 28px;}
@media (max-width:1024px){
    .nymain .leftNav > h2.longtit{font-size: 24px;}
}
@media (max-width:768px){
    .nymain .leftNav > h2.longtit{font-size: 16px;line-height: 46px;}
}