@media screen and (max-width: 980px){
.big-nav .topser .sub{top:-50% !important;}

.big-nav .topser .form {
    display: inline;
    position: relative;}

}
/*.nyphotoList .item .pic img{height:278px;}*/
.nyphotoList .item img {
    width: 100%;
    height: 2.2rem;}

  .totop{width: .4rem;height: .4rem;background: #4884c2;display: flex;justify-content: center;align-items: center;position: fixed;right: .2rem;bottom: 20%;opacity: 0;transition: all .8s;-webkit-transition: all .8s;z-index:16;}
  .totop.active{opacity: 1;}
  .totop:hover{background: #296fb7;}