如何在Fluent Ribbon中更改状态栏颜色

<Fluent:RibbonWindow x:Class="YourNamespace.MainWindow"
                     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:Fluent="clr-namespace:Fluent;assembly=Fluent"
                     Title="Your Application" Height="450" Width="800">
    <Grid>
        <Fluent:Ribbon>
            <!-- 其他Ribbon控件 -->
            
            <Fluent:RibbonTabItem Header="Home">
                <Fluent:RibbonGroupBox Header="Options">
                    <!-- 其他控件 -->
                </Fluent:RibbonGroupBox>
            </Fluent:RibbonTabItem>
        </Fluent:Ribbon>
        
        <StatusBar Grid.Row="1" Background="LightBlue">
            <StatusBarItem>
                <TextBlock Text="Status: Ready" />
            </StatusBarItem>
        </StatusBar>
    </Grid>
</Fluent:RibbonWindow>