左侧目录树优化，及搜索部分样式调整，部分图片路径更改

shuishen

2021-06-11 95c1f10a276a69ce4fdcc72e68a35c796581d143

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//>>built
define(["../SimpleTheme","./common"],function(b,a){a.Midwest=new b({colors:["#927b51","#a89166","#80c31c","#bcdd5a","#aebc21"]});return a.Midwest});