Better-Seewo/Manager/MainWindow.xaml

<Window x:Class="BetterSeewoManager.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Better-Seewo 管理器"
        Width="960" Height="600"
        MinWidth="800" MinHeight="500"
        WindowStartupLocation="CenterScreen"
        Background="{StaticResource BackgroundBrush}"
        FontFamily="{StaticResource DefaultFont}"
        Foreground="{StaticResource TextPrimaryBrush}">

    <Window.Resources>
        <BooleanToVisibilityConverter x:Key="BoolToVis"/>
        <Style x:Key="TabRadioButton" TargetType="RadioButton">
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="Foreground" Value="{StaticResource TextSecondaryBrush}"/>
            <Setter Property="FontSize" Value="13"/>
            <Setter Property="Padding" Value="16,10"/>
            <Setter Property="BorderThickness" Value="3,0,0,0"/>
            <Setter Property="BorderBrush" Value="Transparent"/>
            <Setter Property="Cursor" Value="Hand"/>
            <Setter Property="GroupName" Value="Tabs"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="RadioButton">
                        <Border x:Name="border" Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"
                                Padding="{TemplateBinding Padding}">
                            <ContentPresenter HorizontalAlignment="Left" VerticalAlignment="Center"/>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsChecked" Value="True">
                                <Setter TargetName="border" Property="Background" Value="{StaticResource CardBrush}"/>
                                <Setter Property="Foreground" Value="{StaticResource TextPrimaryBrush}"/>
                                <Setter Property="BorderBrush" Value="{StaticResource AccentBrush}"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter TargetName="border" Property="Background" Value="{StaticResource CardBrush}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Window.Resources>

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="56"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="32"/>
        </Grid.RowDefinitions>

        <Border Grid.Row="0" Background="{StaticResource SurfaceBrush}" BorderBrush="{StaticResource BorderBrush}" BorderThickness="0,0,0,1">
            <Grid Margin="16,0">
                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                    <TextBlock Text="Better-Seewo" FontSize="18" FontWeight="SemiBold" Foreground="{StaticResource AccentBrush}" VerticalAlignment="Center"/>
                    <TextBlock Text=" 管理器" FontSize="14" Foreground="{StaticResource TextSecondaryBrush}" VerticalAlignment="Center" Margin="8,0,0,0"/>
                </StackPanel>
                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" VerticalAlignment="Center">
                    <TextBlock Text="v2.0.0" FontSize="11" Foreground="{StaticResource TextSecondaryBrush}" VerticalAlignment="Center" Margin="0,0,12,0"/>
                    <Button x:Name="BtnThemeToggle" Content="🌙" Width="28" Height="28" FontSize="14"
                            Background="Transparent" Foreground="{StaticResource TextPrimaryBrush}" BorderThickness="0"
                            Cursor="Hand" Click="BtnThemeToggle_Click"/>
                </StackPanel>
            </Grid>
        </Border>

        <Grid Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="160"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>

            <Border Grid.Column="0" Background="{StaticResource SurfaceBrush}" BorderBrush="{StaticResource BorderBrush}" BorderThickness="0,0,1,0">
                <StackPanel x:Name="TabPanel" Margin="0,8">
                    <RadioButton x:Name="TabInstall" Content="📦 安装" IsChecked="True" Click="Tab_Click" Style="{StaticResource TabRadioButton}" Tag="InstallPage"/>
                    <RadioButton x:Name="TabInk" Content="✏️ 墨迹" Click="Tab_Click" Style="{StaticResource TabRadioButton}" Tag="InkPage"/>
                    <RadioButton x:Name="TabConvert" Content="🔄 转换" Click="Tab_Click" Style="{StaticResource TabRadioButton}" Tag="ConvertPage"/>
                    <RadioButton x:Name="TabTouch" Content="👆 触摸" Click="Tab_Click" Style="{StaticResource TabRadioButton}" Tag="TouchPage"/>
                    <RadioButton x:Name="TabActivate" Content="🔑 激活" Click="Tab_Click" Style="{StaticResource TabRadioButton}" Tag="ActivatePage"/>
                </StackPanel>
            </Border>

            <Frame x:Name="ContentFrame" Grid.Column="1" NavigationUIVisibility="Hidden"/>
        </Grid>

        <Border Grid.Row="2" Background="{StaticResource SurfaceBrush}" BorderBrush="{StaticResource BorderBrush}" BorderThickness="0,1,0,0">
            <TextBlock x:Name="StatusText" Text="就绪" FontSize="11" Foreground="{StaticResource TextSecondaryBrush}" Margin="12,0" VerticalAlignment="Center"/>
        </Border>
    </Grid>
</Window>