### 背景样式
为侧边栏容器选择背景样式。颜色源自你所选的主题。
有两个选项—— **默认** 并 **填充** ——每个选项都提供其如何改变目录的视觉示意。
### 列表样式
为侧边栏列表及其选中项选择样式。有三个选项—— **默认**, **胶囊** 并 **线条** ——每个选项都提供其如何改变目录的视觉示意。
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