解决iphone横屏时字体变大问题最佳方法

前提修改文档声明，如有疑问，请看文章手机web2.0网页文档属性
@media screen and (max-device-width: 320px){body{-webkit-text-size-adjust:none}}
@media screen and (max-device-width: 480px){body{-webkit-text-size-adjust:none}}
@media only screen and (-webkit-min-device-pixel-ratio: 2){body{-webkit-text-size-adjust:none}}
@media only screen and (min-device-width: 768px) and (max-device-width: 1024px){body{-webkit-text-size-adjust:none}}