關於移動端的基礎概念:https://mp.weixin.qq.com/s?__biz=MzAxODE2MjM1MA==&mid=2651553236&idx=1&sn=45e4c1787c80b1479dd037381246c54c&chksm=8025aa15b7522303c8fa368e65f246dd399c0ac13570bec8b54c542182f41cdbb9931d80dfbd&scene=21#wechat_redirect
rem適配原理:http://caibaojian.com/web-app-rem.html
rem適配實現過程:https://blog.csdn.net/qq_36263601/article/details/78366710
移動端適配方案(較全):https://www.jianshu.com/p/e96ccb603a50
(會不定時更新,待續。。。)