@media screen and (max-width: 1280px) {
	.banner{
    width:1100px;
    min-width: 1100px;
    left: 50%;
    margin-left: -550px;
  }
  .top{
    min-width: 1200px;
  }
  .nav .list li{
    padding-right: 22px;
  }
  .page-footer .main{
    max-width: 1100px;
  }
  .net .main{
    max-width: 1100px;
  }
  .show-main{
    max-width: 1100px;
  }
  .trusteeship .word{
    width: 1100px;
    left: 50%;
    margin-left: -550px;
  }
}