/* logo */
.sydw{
    margin-right:15px; 
    float:left;}
.sydw img{height:30px;}

@media screen and (max-width:768px) {
 .sydw{
    margin-right:0px; 
    float:none;}
 .sydw img{height:60px;}
 .bq{text-align:center;}
  
}
/*版权*/