Xaml 将PivotItemHeader样式应用于UWP中的PivotItem

我在参考资料中创建了一个具有键的PivotItemHeader样式，但不知道在何处应用此样式，尽管如果删除键，它将应用于所有PivotItemHeader，但我不想这样做，我只想将此应用于选定的Pivot

<Style TargetType="PivotHeaderItem" x:Key"PivotHeaderItemInnserStyle">
                        <Setter Property="FontSize" Value="{ThemeResource PivotHeaderItemFontSize}" />
                        <Setter Property="FontFamily" Value="{ThemeResource PivotHeaderItemFontFamily}" />
                        <Setter Property="FontWeight" Value="{ThemeResource PivotHeaderItemThemeFontWeight}" />
                        <Setter Property="CharacterSpacing" Value="{ThemeResource PivotHeaderItemCharacterSpacing}" />
                        <Setter Property="Background" Value="{StaticResource PivotHeaderItemSelectedBackgroundBrush}" />
                        <Setter Property="Foreground" Value="#FFEAE8E8" />
                        <Setter Property="Padding" Value="0" />
                        <Setter Property="Margin" Value="0" />
                        <Setter Property="Height" Value="48" />
                        <Setter Property="VerticalContentAlignment" Value="Stretch" />
                        <Setter Property="IsTabStop" Value="False" />
                        <Setter Property="Template">
                            <Setter.Value>
                                <ControlTemplate TargetType="PivotHeaderItem">
                                    <Grid
                    x:Name="Grid"
                    Background="{TemplateBinding Background}">
                                        <Grid.Resources>
                                            <Style x:Key="BaseContentPresenterStyle" TargetType="ContentPresenter">
                                                <Setter Property="FontFamily" Value="XamlAutoFontFamily"/>
                                                <Setter Property="FontWeight" Value="SemiBold"/>
                                                <Setter Property="FontSize" Value="15"/>
                                                <Setter Property="TextWrapping" Value="Wrap"/>
                                                <Setter Property="LineStackingStrategy" Value="MaxHeight"/>
                                                <Setter Property="TextLineBounds" Value="Full"/>
                                                <Setter Property="OpticalMarginAlignment" Value="TrimSideBearings"/>
                                            </Style>
                                            <Style x:Key="BodyContentPresenterStyle" TargetType="ContentPresenter" BasedOn="{StaticResource BaseContentPresenterStyle}">
                                                <Setter Property="FontFamily" Value="{ThemeResource PivotHeaderItemFontFamily}" />
                                                <Setter Property="FontWeight" Value="{ThemeResource PivotHeaderItemThemeFontWeight}"/>
                                                <Setter Property="FontSize" Value="{ThemeResource PivotHeaderItemFontSize}"/>
                                            </Style>
                                        </Grid.Resources>
                                        <VisualStateManager.VisualStateGroups>
                                            <VisualStateGroup x:Name="SelectionStates">
                                                <VisualStateGroup.Transitions>
                                                    <VisualTransition From="Unselected" To="UnselectedLocked" GeneratedDuration="0:0:0.33" />
                                                    <VisualTransition From="UnselectedLocked" To="Unselected" GeneratedDuration="0:0:0.33" />
                                                </VisualStateGroup.Transitions>
                                                <VisualState x:Name="Disabled">
                                                    <Storyboard>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                   Storyboard.TargetProperty="Foreground" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseMediumLowBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="Unselected" />
                                                <VisualState x:Name="UnselectedLocked">
                                                    <Storyboard>
                                                        <DoubleAnimation Storyboard.TargetName="ContentPresenterTranslateTransform"
                                                     Storyboard.TargetProperty="X"
                                                     Duration="0" To="{ThemeResource PivotHeaderItemLockedTranslation}" />
                                                        <DoubleAnimation Storyboard.TargetName="ContentPresenter"
                                                     Storyboard.TargetProperty="(UIElement.Opacity)"
                                                     Duration="0" To="0" />
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="Selected">
                                                    <Storyboard>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                   Storyboard.TargetProperty="Foreground" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemHoverForegroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="UnselectedPointerOver">
                                                    <Storyboard>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                   Storyboard.TargetProperty="Foreground" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemHoverForegroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid"
                                                                   Storyboard.TargetProperty="Background" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="headerItemBorder"
                                                                   Storyboard.TargetProperty="Background" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemHoverBackgroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="SelectedPointerOver">
                                                    <Storyboard>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                    Storyboard.TargetProperty="Foreground" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemHoverForegroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid"
                                                                   Storyboard.TargetProperty="Background" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="headerItemBorder"
                                                                   Storyboard.TargetProperty="Background" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemHoverBackgroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="UnselectedPressed">
                                                    <Storyboard>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                   Storyboard.TargetProperty="Foreground" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemUnSelectedPressedForegroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid"
                                                                   Storyboard.TargetProperty="Background" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemUnSelectedPressedBackgroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="SelectedPressed">
                                                    <Storyboard>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                                                   Storyboard.TargetProperty="Foreground" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemSelectedPressedForegroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid"
                                                                   Storyboard.TargetProperty="Background" >
                                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PivotHeaderItemSelectedPressedBackgroundBrush}" />
                                                        </ObjectAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                            </VisualStateGroup>
                                        </VisualStateManager.VisualStateGroups>
                                        <!--Content="{TemplateBinding Content}"-->
                                        <ContentPresenter
                        x:Name="ContentPresenter"
                        Foreground="Gray"
                        ContentTemplate="{TemplateBinding ContentTemplate}"
                        Margin="{TemplateBinding Padding}"
                        FontSize="{TemplateBinding FontSize}"
                        FontFamily="{TemplateBinding FontFamily}"
                        FontWeight="{TemplateBinding FontWeight}"
                        HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
                                            <ContentPresenter.RenderTransform>
                                                <TranslateTransform x:Name="ContentPresenterTranslateTransform" />
                                            </ContentPresenter.RenderTransform>
                                            <Border Name="headerItemBorder" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Padding="16,2">
                                                <TextBlock Text="{TemplateBinding Content}" FontFamily="{StaticResource PivotHeaderItemFontFamily}" FontSize="{StaticResource PivotHeaderItemFontSize}"
                                           />
                                            </Border>
                                        </ContentPresenter>
                                    </Grid>
                                </ControlTemplate>
                            </Setter.Value>
                        </Setter>
                    </Style>

<Pivot>
      <PivotItem Header="SCAN" />
      <PivotItem Header="DEMOGRAPHICS" />
      <PivotItem Header="FINGERPRINTS">
            <Pivot>
                <Pivot.Resources>
                    <Style TargetType="PivotHeaderItem" BasedOn="{StaticResource PivotHeaderItemInnerPivotStyle}" />
                </Pivot.Resources>
                <PivotItem Header="Sub Pi 1" />
                <PivotItem Header="Sub Pi 2" />
                <PivotItem Header="Sub Pi 3" />
            </Pivot>
        </PivotItem>
        <PivotItem Header="PALMPRINTS"/>