.BannerShow_c1{ width:100%; height:730px; float:left; overflow:hidden;}
.page-banner .BannerShow_c1{height:auto; float:none;}
.page-banner .BannerShow_c1:last-child{display:none !important;}
@media only screen and (max-width: 800px){
		.page-banner .BannerShow_c1:last-child{display:block !important;}
}