How to set the background color of a ComboBox dropdown box?

[tangxiaoqi-tangxiao]

Is your feature request related to a problem? Please describe.

    <Style Selector="ComboBoxItem">
        <Setter Property="Background" Value="#484848" ></Setter>
    </Style>
    <Style Selector="ComboBox">
        <Setter Property="Background" Value="#484848" ></Setter>
    </Style>
    <Style Selector="VirtualizingStackPanel">
        <Setter Property="Background" Value="Red"/>
    </Style>

Describe the solution you'd like

I hope to set it to the color I need.

Describe alternatives you've considered

No response

Additional context

No response