以2020.3为例

修改主题

file -> Settings -> Appearance & Behavior -> Appearance下修改主题

主题字体修改

File -> Settings -> Appearance & Behavior -> Appearance下修改主题字体

代码编辑字体修改

File -> Settings -> Editor -> Font下修改主题字体

控制台输出字体修改

File -> Settings -> Editor -> Color Scheme -> Console Font下修改控制台输出字体

​​​​​​​行号、方法线、软分行等的设置

File -> Setting -> Editor -> General -> Appearance

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