调整控件样式

src/App/Controls/Bili/VideoItem.xaml

@@ -23,6 +23,7 @@
     <local:CardPanel
         AutomationProperties.Name="{x:Bind ViewModel.Title, Mode=OneWay}"
         CornerRadius="{ThemeResource OverlayCornerRadius}"
+        BorderBrush="{ThemeResource ControlElevationBorderBrush}"
         Click="OnContainerClick">
 
         <VisualStateManager.VisualStateGroups>

src/App/Styles/Style.Overwrite.xaml

@@ -8,7 +8,6 @@
     <Thickness x:Key="TopNavigationViewTopNavGridMargin">0</Thickness>
     <SolidColorBrush x:Key="NavigationViewTopPaneBackground" Color="Transparent" />
     <SolidColorBrush x:Key="NavigationViewContentBackground" Color="Transparent" />
-    <SolidColorBrush x:Key="NavigationViewDefaultPaneBackground" Color="Transparent" />
 
     <Style x:Key="PageProgressRingStyle" TargetType="muxc:ProgressRing">
         <Setter Property="Width" Value="32" />