LanMountainDesktop/LanMountainDesktop.AirAppHost/AirApp.axaml

<Application xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             x:Class="LanMountainDesktop.AirAppHost.AirApp"
             RequestedThemeVariant="Default">
    <Application.Styles>
        <FluentTheme />
    </Application.Styles>

    <Application.Resources>
        <FontFamily x:Key="AppFontFamily">MiSans VF, avares://LanMountainDesktop.AirAppHost/Assets/Fonts#MiSans</FontFamily>
        <Color x:Key="AirAppWindowBackgroundColor">#FFF7F9FC</Color>
        <Color x:Key="AirAppWindowBorderColor">#22000000</Color>
        <Color x:Key="AirAppTitleTextColor">#FF171A20</Color>
        <Color x:Key="AirAppSecondaryTextColor">#FF657080</Color>
        <Color x:Key="AirAppAccentColor">#FF2D73E5</Color>
        <SolidColorBrush x:Key="AirAppWindowBackgroundBrush" Color="{StaticResource AirAppWindowBackgroundColor}" />
        <SolidColorBrush x:Key="AirAppWindowBorderBrush" Color="{StaticResource AirAppWindowBorderColor}" />
        <SolidColorBrush x:Key="AirAppTitleTextBrush" Color="{StaticResource AirAppTitleTextColor}" />
        <SolidColorBrush x:Key="AirAppSecondaryTextBrush" Color="{StaticResource AirAppSecondaryTextColor}" />
        <SolidColorBrush x:Key="AirAppAccentBrush" Color="{StaticResource AirAppAccentColor}" />
        <SolidColorBrush x:Key="AdaptiveSurfaceRaisedBrush" Color="#FFF1F4F9" />
        <SolidColorBrush x:Key="AdaptiveButtonBorderBrush" Color="#16000000" />
        <SolidColorBrush x:Key="AdaptiveSurfaceBaseBrush" Color="#FFFFFFFF" />
        <SolidColorBrush x:Key="SystemControlForegroundBaseMediumLowBrush" Color="#55000000" />
        <SolidColorBrush x:Key="AdaptiveAccentBrush" Color="#FF2D73E5" />
        <SolidColorBrush x:Key="AdaptiveOnAccentBrush" Color="#FFFFFFFF" />
        <SolidColorBrush x:Key="AdaptiveTextPrimaryBrush" Color="#FF0F172A" />
        <CornerRadius x:Key="DesignCornerRadiusComponent">18</CornerRadius>
        <CornerRadius x:Key="DesignCornerRadiusSm">10</CornerRadius>
        <CornerRadius x:Key="DesignCornerRadiusXs">8</CornerRadius>
    </Application.Resources>
</Application>