/* 兼容iphone5 */

@media (device-height:568px) and (-webkit-min-device-pixel-ratio:2){}

@media only screen and (max-device-width :480px){ }
@media only screen and (min-device-width :481px){ }

/*6*/
@media (min-device-width : 375px) and (max-device-width : 667px) and (-webkit-min-device-pixel-ratio : 2){ }

/*6+*/

/*魅族*/
@media only screen and (min-device-width :1080px) and (-webkit-min-device-pixel-ratio : 2.5){ }

/*mate7*/
@media only screen and (min-device-width :1080px) and (-webkit-min-device-pixel-ratio : 3){ }

/*4 4s*/
@media only screen and (device-height :480px) and (-webkit-device-pixel-ratio:2){ }

@media screen and (min-width: 320px) and (max-width: 480px) { }

/* 平板之類的寬度 1024 以下設備 */
@media only screen and (min-width: 321px) and (max-width: 1024px) {

}

/* PC客戶端或大屏幕設備: 1028px 至更大 */
@media only screen and (min-width: 1029px) {

/* 豎屏 */
@media screen and (orientation:portrait) and (max-width: 720px) {對應樣式}

/* 橫屏 */
@media screen and (orientation:landscape){對應樣式}

iPhone5s 504*320

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