/* 兼容iphone4/4s */
@media (device-height:480px) and (-webkit-min-device-pixel-ratio:2){
}
/* 兼容iphone5 */
@media (device-height:568px) and (-webkit-min-device-pixel-ratio:2){
}
/* 兼容iphone4/4s */
@media (device-height:480px) and (-webkit-min-device-pixel-ratio:2){
}
/* 兼容iphone5 */
@media (device-height:568px) and (-webkit-min-device-pixel-ratio:2){
}