/* CSS Document */
/**判断**/
/**/
@media screen and (min-width: 1681px){
	
}
@media all and (min-width: 1441px) and (max-width: 1680px) {
	
}
@media all and (min-width: 1281px) and (max-width: 1440px) {
	
}
@media all and (min-width: 1025px) and (max-width: 1280px) {
	
}
/* 中型平板或小型笔记本 tablet */
@media all  and (min-width: 961px) and (max-width: 1024px){	
	
}
@media all  and (min-width: 768px) and (max-width: 960px){	
    .block-pc{
		display: none;
	}
	.block-sj{
		display: none;
	}
	.block-ipad{
		display: block;
	}
}
@media all  and (max-width: 767px){
	
    .block-pc{
		display: none;
	}
	.block-sj{
		display: block;
	}
	.block-ipad{
		display: block;
	}
}