仅限WPF TabItem标题样式

<Style TargetType="TabItem">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="TabItem">
                <Grid>
                    <Border Name="Border" Background="LightGray" BorderBrush="Black" BorderThickness="1,1,1,0" Margin="0,0,-4,0">
                        <ContentPresenter x:Name="ContentSite" VerticalAlignment="Center" HorizontalAlignment="Center" ContentSource="Header" Margin="12,2,12,2"/>
                    </Border>
                </Grid>
                <ControlTemplate.Triggers>
                    <Trigger Property="IsSelected" Value="True">
                        <Setter TargetName="Border" Property="Background" Value="White"/>
                    </Trigger>
                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>