详细可查看原文
Meta 标签
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
Media Queries 媒体查询
//手机 @media screen and (max- 980px) { } //平板 @media screen and (max- 1024px) { } //桌面 @media screen and (max- 1200px) { }
