LanMountainDesktop/LanMountainDesktop.Launcher/Views/ErrorWindow.axaml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:views="clr-namespace:LanMountainDesktop.Launcher.Views"
        mc:Ignorable="d"
        d:DesignWidth="480"
        d:DesignHeight="320"
        x:Class="LanMountainDesktop.Launcher.Views.ErrorWindow"
        x:DataType="views:ErrorWindow"
        Title="阑山桌面 - 启动失败"
        Width="480"
        Height="320"
        CanResize="False"
        WindowStartupLocation="CenterScreen"
        Background="{DynamicResource SolidBackgroundFillColorBaseBrush}"
        TransparencyLevelHint="None">
  <Design.DataContext>
    <views:ErrorWindow />
  </Design.DataContext>

  <Grid Margin="40" RowDefinitions="Auto,*,Auto">
    <!-- 错误图标和标题 -->
    <StackPanel Grid.Row="0" HorizontalAlignment="Center">
      <!-- 错误图标 - 可点击进入调试模式（隐藏功能，无提示） -->
      <Border x:Name="ErrorIconBorder"
              Width="64"
              Height="64"
              Background="{DynamicResource SystemFillColorCriticalBackgroundBrush}"
              CornerRadius="32"
              HorizontalAlignment="Center">
        <TextBlock x:Name="ErrorIconText"
                   Text="!"
                   FontSize="36"
                   FontWeight="Bold"
                   Foreground="{DynamicResource SystemFillColorCriticalBrush}"
                   HorizontalAlignment="Center"
                   VerticalAlignment="Center" />
      </Border>

      <TextBlock Text="启动失败"
                 FontSize="24"
                 FontWeight="Medium"
                 Foreground="{DynamicResource TextFillColorPrimaryBrush}"
                 HorizontalAlignment="Center"
                 Margin="0,20,0,0" />
    </StackPanel>

    <!-- 错误信息 -->
    <StackPanel Grid.Row="1" VerticalAlignment="Center" Margin="0,20">
      <TextBlock x:Name="ErrorMessageText"
                 Text="找不到阑山桌面应用程序。"
                 FontSize="14"
                 Foreground="{DynamicResource TextFillColorPrimaryBrush}"
                 TextWrapping="Wrap"
                 TextAlignment="Center"
                 LineHeight="22" />

      <TextBlock Text="请确保应用程序已正确安装，或尝试重新安装。"
                 FontSize="13"
                 Foreground="{DynamicResource TextFillColorSecondaryBrush}"
                 TextWrapping="Wrap"
                 TextAlignment="Center"
                 Margin="0,12,0,0"
                 LineHeight="20" />
    </StackPanel>

    <!-- 按钮区域 -->
    <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" Spacing="12">
      <Button x:Name="RetryButton"
              Content="重试"
              Width="100"
              Height="36"
              FontSize="14"
              Theme="{DynamicResource AccentButtonTheme}" />

      <Button x:Name="ExitButton"
              Content="退出"
              Width="100"
              Height="36"
              FontSize="14" />
    </StackPanel>
  </Grid>
</Window>