/**电脑**/
@media screen and (min-width:1200px){
	
}

/**iPad、手机横向**/
@media screen and (min-width: 960px) and (max-width: 1199px) {

}

/**iPad、手机竖向**/
@media screen and (min-width: 768px) and (max-width: 959px) {

}

/**手机**/
@media only screen and (min-width: 480px) and (max-width: 767px){

}

/**手机viewport**/
@media only screen and (max-width: 479px) {

}