/* 内容 */
#con{width: 1200px; clear: both; overflow: hidden; margin:0 auto; padding-bottom:78px;}

@media only screen and (min-width: 769px) and (max-width: 998px) {
  #con{width:100% !important;}


}

@media screen and (max-width: 768px){
 #con{width:100% !important;}

}