优化更新代码，添加界面功能并整合

WPFluent/Controls/Page/Page.xaml

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+<!--
+    This Source Code Form is subject to the terms of the MIT License.
+    If a copy of the MIT was not distributed with this file, You can obtain one at https://opensource.org/licenses/MIT.
+    Copyright (C) Leszek Pomianowski and WPF UI Contributors.
+    All Rights Reserved.
+-->
+
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <Style x:Key="DefaultPageStyle" TargetType="{x:Type Page}">
+        <Setter Property="Control.Foreground">
+            <Setter.Value>
+                <SolidColorBrush Color="{DynamicResource TextFillColorPrimary}" />
+            </Setter.Value>
+        </Setter>
+        <Setter Property="Background" Value="Transparent" />
+        <!--  The Display option casues a large aliasing effect  -->
+        <!-- <Setter Property="TextOptions.TextFormattingMode" Value="Ideal" /> -->
+        <Setter Property="Focusable" Value="False" />
+        <Setter Property="SnapsToDevicePixels" Value="True" />
+        <Setter Property="OverridesDefaultStyle" Value="True" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type Page}">
+                    <Grid>
+                        <ContentPresenter
+                            HorizontalAlignment="Stretch"
+                            VerticalAlignment="Stretch"
+                            Content="{TemplateBinding ContentControl.Content}"
+                            TextElement.Foreground="{TemplateBinding Control.Foreground}" />
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style BasedOn="{StaticResource DefaultPageStyle}" TargetType="{x:Type Page}" />
+
+</ResourceDictionary>