@media only screen and (max-device-width: 768px) {
	/*.header{width: 100%;overflow: hidden;}*/
	.Sino-American-header{display: none;}
	/*.header>.container{display: none;}
	.header .nav_bg{display: none;}*/
	.Sino-American-main_pic{display: none;}
	.Sino-American-tabblock{display: none;}
	.sa-footer_bg{display: none;}
}