.pc-style #DYNav {
     line-height: 1.5;
     clear: both;
     padding: 10px 0px;
 }
 /*****移动端样式*****/
 
 .mobile-style #DYNav {
     line-height: 1.5;
     clear: both;
     padding: 10px 16px;
     white-space: nowrap;
     overflow: auto;
     -webkit-overflow-scrolling: touch;
 }