0.6.9

改变无声

Directory.Build.props

@@ -0,0 +1,8 @@
+<Project>
+  <PropertyGroup>
+    <Version>1.0.0</Version>
+    <TargetFramework Condition="'$(TargetFramework)' == ''">net10.0</TargetFramework>
+    <Nullable Condition="'$(Nullable)' == ''">enable</Nullable>
+    <ImplicitUsings Condition="'$(ImplicitUsings)' == ''">enable</ImplicitUsings>
+  </PropertyGroup>
+</Project>

LanMountainDesktop.Appearance/AppearanceCornerRadiusTokenFactory.cs

@@ -0,0 +1,27 @@
+using Avalonia;
+using LanMountainDesktop.Settings.Core;
+using LanMountainDesktop.Shared.Contracts;
+
+namespace LanMountainDesktop.Appearance;
+
+public static class AppearanceCornerRadiusTokenFactory
+{
+    public static AppearanceCornerRadiusTokens Create(double scale)
+    {
+        var normalizedScale = GlobalAppearanceSettings.NormalizeCornerRadiusScale(scale);
+        return new AppearanceCornerRadiusTokens(
+            Radius(6, normalizedScale),
+            Radius(10, normalizedScale),
+            Radius(14, normalizedScale),
+            Radius(18, normalizedScale),
+            Radius(24, normalizedScale),
+            Radius(30, normalizedScale),
+            Radius(36, normalizedScale));
+    }
+
+    private static CornerRadius Radius(double value, double scale)
+    {
+        var scaled = Math.Round(value * scale * 2, MidpointRounding.AwayFromZero) / 2d;
+        return new CornerRadius(scaled);
+    }
+}

LanMountainDesktop.Appearance/LanMountainDesktop.Appearance.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\LanMountainDesktop.PluginSdk\LanMountainDesktop.PluginSdk.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Shared.Contracts\LanMountainDesktop.Shared.Contracts.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Settings.Core\LanMountainDesktop.Settings.Core.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Host.Abstractions\LanMountainDesktop.Host.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

LanMountainDesktop.DesktopComponents.Runtime/LanMountainDesktop.DesktopComponents.Runtime.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\LanMountainDesktop.PluginSdk\LanMountainDesktop.PluginSdk.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Shared.Contracts\LanMountainDesktop.Shared.Contracts.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Settings.Core\LanMountainDesktop.Settings.Core.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Appearance\LanMountainDesktop.Appearance.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Host.Abstractions\LanMountainDesktop.Host.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

LanMountainDesktop.DesktopHost/DesktopBootstrap.cs

@@ -0,0 +1,27 @@
+using System;
+using Avalonia;
+
+namespace LanMountainDesktop.DesktopHost;
+
+public static class DesktopBootstrap
+{
+    public static void InitializeStartupServices(Action initializeDeviceId, Action initializeCrashReporting, Action initializeUserBehaviorAnalytics, Action scheduleStartupCleanup)
+    {
+        ArgumentNullException.ThrowIfNull(initializeDeviceId);
+        ArgumentNullException.ThrowIfNull(initializeCrashReporting);
+        ArgumentNullException.ThrowIfNull(initializeUserBehaviorAnalytics);
+        ArgumentNullException.ThrowIfNull(scheduleStartupCleanup);
+
+        initializeDeviceId();
+        initializeCrashReporting();
+        initializeUserBehaviorAnalytics();
+        scheduleStartupCleanup();
+    }
+
+    public static void InitializeApplication(Application application, Action initializeShell)
+    {
+        ArgumentNullException.ThrowIfNull(application);
+        ArgumentNullException.ThrowIfNull(initializeShell);
+        initializeShell();
+    }
+}

LanMountainDesktop.DesktopHost/DesktopShellHost.cs

@@ -0,0 +1,55 @@
+using System;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using LanMountainDesktop.Host.Abstractions;
+
+namespace LanMountainDesktop.DesktopHost;
+
+public sealed class DesktopShellHost : IDesktopShellHost
+{
+    private readonly Action _initializePluginRuntime;
+    private readonly Action _initializeTrayIcon;
+    private readonly Action<IClassicDesktopStyleApplicationLifetime> _createAndAssignMainWindow;
+    private readonly Action _performExitCleanup;
+    private readonly Action _startActivationListener;
+    private readonly Action _startWeatherRefresh;
+
+    public DesktopShellHost(
+        Action initializePluginRuntime,
+        Action initializeTrayIcon,
+        Action<IClassicDesktopStyleApplicationLifetime> createAndAssignMainWindow,
+        Action performExitCleanup,
+        Action startActivationListener,
+        Action startWeatherRefresh)
+    {
+        _initializePluginRuntime = initializePluginRuntime;
+        _initializeTrayIcon = initializeTrayIcon;
+        _createAndAssignMainWindow = createAndAssignMainWindow;
+        _performExitCleanup = performExitCleanup;
+        _startActivationListener = startActivationListener;
+        _startWeatherRefresh = startWeatherRefresh;
+    }
+
+    public void Initialize()
+    {
+        throw new InvalidOperationException("An application instance is required to initialize the desktop shell.");
+    }
+
+    public void Initialize(Application application)
+    {
+        ArgumentNullException.ThrowIfNull(application);
+
+        _initializePluginRuntime();
+        _initializeTrayIcon();
+
+        if (application.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            desktop.Exit += (_, _) => _performExitCleanup();
+            _createAndAssignMainWindow(desktop);
+            _startActivationListener();
+        }
+
+        _startWeatherRefresh();
+    }
+}

LanMountainDesktop.DesktopHost/DesktopStartupCoordinator.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace LanMountainDesktop.DesktopHost;
+
+public sealed class DesktopStartupCoordinator
+{
+    private readonly Action _restoreWorkspaceState;
+
+    public DesktopStartupCoordinator(Action restoreWorkspaceState)
+    {
+        _restoreWorkspaceState = restoreWorkspaceState ?? throw new ArgumentNullException(nameof(restoreWorkspaceState));
+    }
+
+    public void Restore() => _restoreWorkspaceState();
+}

LanMountainDesktop.DesktopHost/LanMountainDesktop.DesktopHost.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="11.3.12" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\LanMountainDesktop.PluginSdk\LanMountainDesktop.PluginSdk.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Shared.Contracts\LanMountainDesktop.Shared.Contracts.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Settings.Core\LanMountainDesktop.Settings.Core.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Appearance\LanMountainDesktop.Appearance.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.DesktopComponents.Runtime\LanMountainDesktop.DesktopComponents.Runtime.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Host.Abstractions\LanMountainDesktop.Host.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

LanMountainDesktop.DesktopHost/SettingsWindowHost.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace LanMountainDesktop.DesktopHost;
+
+public sealed class SettingsWindowHost
+{
+    private readonly Action<string, string?> _openSettingsWindow;
+
+    public SettingsWindowHost(Action<string, string?> openSettingsWindow)
+    {
+        _openSettingsWindow = openSettingsWindow ?? throw new ArgumentNullException(nameof(openSettingsWindow));
+    }
+
+    public void Open(string source, string? pageId = null)
+    {
+        _openSettingsWindow(source, pageId);
+    }
+}

LanMountainDesktop.DesktopHost/ShutdownCoordinator.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace LanMountainDesktop.DesktopHost;
+
+public sealed class ShutdownCoordinator
+{
+    private readonly Action<bool, string> _prepareForShutdown;
+    private readonly Action<string> _resetShutdownIntent;
+
+    public ShutdownCoordinator(Action<bool, string> prepareForShutdown, Action<string> resetShutdownIntent)
+    {
+        _prepareForShutdown = prepareForShutdown ?? throw new ArgumentNullException(nameof(prepareForShutdown));
+        _resetShutdownIntent = resetShutdownIntent ?? throw new ArgumentNullException(nameof(resetShutdownIntent));
+    }
+
+    public void Prepare(bool isRestart, string source) => _prepareForShutdown(isRestart, source);
+
+    public void Reset(string source) => _resetShutdownIntent(source);
+}

LanMountainDesktop.Host.Abstractions/ComponentChromeContext.cs

@@ -0,0 +1,12 @@
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Shared.Contracts;
+
+namespace LanMountainDesktop.Host.Abstractions;
+
+public sealed record ComponentChromeContext(
+    string ComponentId,
+    string? PlacementId,
+    double CellSize,
+    double GlobalCornerRadiusScale,
+    AppearanceCornerRadiusTokens CornerRadiusTokens,
+    SettingsScope Scope = SettingsScope.App);

LanMountainDesktop.Host.Abstractions/IDesktopShellHost.cs

@@ -0,0 +1,6 @@
+namespace LanMountainDesktop.Host.Abstractions;
+
+public interface IDesktopShellHost
+{
+    void Initialize();
+}

LanMountainDesktop.Host.Abstractions/LanMountainDesktop.Host.Abstractions.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\LanMountainDesktop.PluginSdk\LanMountainDesktop.PluginSdk.csproj" />
+  </ItemGroup>
+</Project>

LanMountainDesktop.PluginSdk/LanMountainDesktop.PluginSdk.csproj

@@ -12,6 +12,7 @@
     <PackageReference Include="Avalonia" Version="11.3.12" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="10.0.0" />
+    <ProjectReference Include="..\LanMountainDesktop.Shared.Contracts\LanMountainDesktop.Shared.Contracts.csproj" />
   </ItemGroup>
 
 </Project>

LanMountainDesktop.PluginSdk/PluginDesktopComponentContext.cs

@@ -1,3 +1,5 @@
+using LanMountainDesktop.Shared.Contracts;
+
 namespace LanMountainDesktop.PluginSdk;
 
 public sealed class PluginDesktopComponentContext
@@ -11,6 +13,8 @@ public sealed class PluginDesktopComponentContext
         string componentId,
         string? placementId,
         double cellSize,
+        double globalCornerRadiusScale,
+        AppearanceCornerRadiusTokens cornerRadiusTokens,
         IPluginSettingsService? pluginSettings = null)
     {
         ArgumentNullException.ThrowIfNull(manifest);
@@ -19,6 +23,7 @@ public sealed class PluginDesktopComponentContext
         ArgumentException.ThrowIfNullOrWhiteSpace(componentId);
         ArgumentNullException.ThrowIfNull(services);
         ArgumentNullException.ThrowIfNull(properties);
+        ArgumentNullException.ThrowIfNull(cornerRadiusTokens);
 
         Manifest = manifest;
         PluginDirectory = pluginDirectory;
@@ -28,6 +33,8 @@ public sealed class PluginDesktopComponentContext
         ComponentId = componentId.Trim();
         PlacementId = string.IsNullOrWhiteSpace(placementId) ? null : placementId.Trim();
         CellSize = Math.Max(1, cellSize);
+        GlobalCornerRadiusScale = Math.Max(0.1d, globalCornerRadiusScale);
+        CornerRadiusTokens = cornerRadiusTokens;
         PluginSettings = pluginSettings;
     }
 
@@ -47,8 +54,22 @@ public sealed class PluginDesktopComponentContext
 
     public double CellSize { get; }
 
+    public double GlobalCornerRadiusScale { get; }
+
+    public AppearanceCornerRadiusTokens CornerRadiusTokens { get; }
+
     public IPluginSettingsService? PluginSettings { get; }
 
+    public double ResolveScaledCornerRadius(double baseRadius, double? minimum = null, double? maximum = null)
+    {
+        var scaled = Math.Max(0d, baseRadius) * GlobalCornerRadiusScale;
+        var scaledMin = minimum.HasValue ? minimum.Value * GlobalCornerRadiusScale : scaled;
+        var scaledMax = maximum.HasValue ? maximum.Value * GlobalCornerRadiusScale : scaled;
+        return minimum.HasValue || maximum.HasValue
+            ? Math.Clamp(scaled, scaledMin, scaledMax)
+            : scaled;
+    }
+
     public T? GetService<T>()
     {
         return (T?)Services.GetService(typeof(T));

LanMountainDesktop.Settings.Core/GlobalAppearanceSettings.cs

@@ -0,0 +1,20 @@
+namespace LanMountainDesktop.Settings.Core;
+
+public static class GlobalAppearanceSettings
+{
+    public const double DefaultCornerRadiusScale = 1.0;
+    public const double MinimumCornerRadiusScale = 0.70;
+    public const double MaximumCornerRadiusScale = 1.40;
+    public const double CornerRadiusScaleStep = 0.05;
+
+    public static double NormalizeCornerRadiusScale(double value)
+    {
+        if (double.IsNaN(value) || double.IsInfinity(value))
+        {
+            return DefaultCornerRadiusScale;
+        }
+
+        var clamped = Math.Clamp(value, MinimumCornerRadiusScale, MaximumCornerRadiusScale);
+        return Math.Round(clamped / CornerRadiusScaleStep, MidpointRounding.AwayFromZero) * CornerRadiusScaleStep;
+    }
+}

LanMountainDesktop.Settings.Core/LanMountainDesktop.Settings.Core.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\LanMountainDesktop.PluginSdk\LanMountainDesktop.PluginSdk.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Shared.Contracts\LanMountainDesktop.Shared.Contracts.csproj" />
+  </ItemGroup>
+</Project>

LanMountainDesktop.Shared.Contracts/AppearanceCornerRadiusTokens.cs

@@ -0,0 +1,12 @@
+using Avalonia;
+
+namespace LanMountainDesktop.Shared.Contracts;
+
+public sealed record AppearanceCornerRadiusTokens(
+    CornerRadius Micro,
+    CornerRadius Xs,
+    CornerRadius Sm,
+    CornerRadius Md,
+    CornerRadius Lg,
+    CornerRadius Xl,
+    CornerRadius Island);

LanMountainDesktop.Shared.Contracts/LanMountainDesktop.Shared.Contracts.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="11.3.12" />
+  </ItemGroup>
+</Project>

LanMountainDesktop.slnx

@@ -1,5 +1,11 @@
 <Solution>
   <Project Path="LanAirApp/tools/LanMountainDesktop.PluginPackager/LanMountainDesktop.PluginPackager.csproj" />
+  <Project Path="LanMountainDesktop.Host.Abstractions/LanMountainDesktop.Host.Abstractions.csproj" />
+  <Project Path="LanMountainDesktop.Shared.Contracts/LanMountainDesktop.Shared.Contracts.csproj" />
+  <Project Path="LanMountainDesktop.Settings.Core/LanMountainDesktop.Settings.Core.csproj" />
+  <Project Path="LanMountainDesktop.Appearance/LanMountainDesktop.Appearance.csproj" />
+  <Project Path="LanMountainDesktop.DesktopComponents.Runtime/LanMountainDesktop.DesktopComponents.Runtime.csproj" />
+  <Project Path="LanMountainDesktop.DesktopHost/LanMountainDesktop.DesktopHost.csproj" />
   <Project Path="LanMountainDesktop.PluginSdk/LanMountainDesktop.PluginSdk.csproj" />
   <Project Path="LanMountainDesktop.PluginsInstallHelper/LanMountainDesktop.PluginsInstallHelper.csproj" />
   <Project Path="LanMountainDesktop/LanMountainDesktop.csproj" />

LanMountainDesktop/App.axaml.cs

@@ -15,6 +15,7 @@ using Avalonia.Styling;
 using Avalonia.Threading;
 using AvaloniaWebView;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.DesktopHost;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
@@ -61,6 +62,7 @@ public partial class App : Application
     private MainWindow? _mainWindow;
     private bool _mainWindowClosed;
     private bool _uiUnhandledExceptionHooked;
+    private DesktopShellHost? _desktopShellHost;
 
     internal static SingleInstanceService? CurrentSingleInstanceService { get; set; }
     internal static (UserBehaviorAnalyticsService?, CrashReportService?) AnalyticsServices { get; set; }
@@ -116,28 +118,32 @@ public partial class App : Application
         AppLogger.Info("App", "Framework initialization completed.");
         RegisterUiUnhandledExceptionGuard();
         LinuxDesktopEntryInstaller.EnsureInstalled();
-        InitializePluginRuntime();
+        DesktopBootstrap.InitializeApplication(this, InitializeDesktopShell);
-        InitializeTrayIcon();
 
-        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        base.OnFrameworkInitializationCompleted();
+    }
+
+    private void InitializeDesktopShell()
+    {
+        _desktopShellHost ??= new DesktopShellHost(
+            InitializePluginRuntime,
+            InitializeTrayIcon,
+            desktop =>
             {
                 // Avoid duplicate validations from both Avalonia and the CommunityToolkit.
                 // More info: https://docs.avaloniaui.net/docs/guides/development-guides/data-validation#manage-validationplugins
                 DisableAvaloniaDataAnnotationValidation();
                 desktop.ShutdownMode = Avalonia.Controls.ShutdownMode.OnExplicitShutdown;
-            desktop.Exit += (_, _) =>
+                CreateAndAssignMainWindow(desktop, "FrameworkInitialization");
+            },
+            () =>
             {
                 AppLogger.Info("App", "Desktop lifetime exit triggered.");
                 PerformExitCleanup();
-            };
+            },
-
+            () => CurrentSingleInstanceService?.StartActivationListener(ActivateMainWindow),
-            CreateAndAssignMainWindow(desktop, "FrameworkInitialization");
+            StartWeatherLocationRefreshIfNeeded);
-            CurrentSingleInstanceService?.StartActivationListener(ActivateMainWindow);
+        _desktopShellHost.Initialize(this);
-        }
-
-        StartWeatherLocationRefreshIfNeeded();
-
-        base.OnFrameworkInitializationCompleted();
     }
 
     private void OnTrayExitClick(object? sender, EventArgs e)
@@ -493,6 +499,7 @@ public partial class App : Application
                 refreshAll ||
                 changedKeys.Contains(nameof(AppSettingsSnapshot.IsNightMode), StringComparer.OrdinalIgnoreCase) ||
                 changedKeys.Contains(nameof(AppSettingsSnapshot.UseSystemChrome), StringComparer.OrdinalIgnoreCase) ||
+                changedKeys.Contains(nameof(AppSettingsSnapshot.GlobalCornerRadiusScale), StringComparer.OrdinalIgnoreCase) ||
                 (string.Equals(liveAppearance.ThemeColorMode, ThemeAppearanceValues.ColorModeSeedMonet, StringComparison.OrdinalIgnoreCase) &&
                  changedKeys.Contains(nameof(AppSettingsSnapshot.ThemeColor), StringComparer.OrdinalIgnoreCase)) ||
                 (string.Equals(liveAppearance.ThemeColorMode, ThemeAppearanceValues.ColorModeWallpaperMonet, StringComparison.OrdinalIgnoreCase) &&

LanMountainDesktop/ComponentSystem/DesktopComponentRuntimeContext.cs

@@ -1,3 +1,4 @@
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Services.Settings;
@@ -10,5 +11,6 @@ public sealed record DesktopComponentRuntimeContext(
     ISettingsFacadeService SettingsFacade,
     ISettingsService SettingsService,
     IAppearanceThemeService AppearanceTheme,
+    ComponentChromeContext Chrome,
     IComponentSettingsAccessor ComponentSettingsAccessor,
     IComponentInstanceSettingsStore ComponentSettingsStore);

LanMountainDesktop/ComponentSystem/IComponentChromeContextAware.cs

@@ -0,0 +1,8 @@
+using LanMountainDesktop.Host.Abstractions;
+
+namespace LanMountainDesktop.ComponentSystem;
+
+public interface IComponentChromeContextAware
+{
+    void SetComponentChromeContext(ComponentChromeContext context);
+}

LanMountainDesktop/LanMountainDesktop.csproj

@@ -29,6 +29,12 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\LanMountainDesktop.Host.Abstractions\LanMountainDesktop.Host.Abstractions.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Shared.Contracts\LanMountainDesktop.Shared.Contracts.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Settings.Core\LanMountainDesktop.Settings.Core.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.Appearance\LanMountainDesktop.Appearance.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.DesktopComponents.Runtime\LanMountainDesktop.DesktopComponents.Runtime.csproj" />
+    <ProjectReference Include="..\LanMountainDesktop.DesktopHost\LanMountainDesktop.DesktopHost.csproj" />
     <ProjectReference Include="..\LanMountainDesktop.PluginSdk\LanMountainDesktop.PluginSdk.csproj" />
     <ProjectReference Include="..\LanMountainDesktop.PluginsInstallHelper\LanMountainDesktop.PluginsInstallHelper.csproj" ReferenceOutputAssembly="false" />
   </ItemGroup>

LanMountainDesktop/Localization/en-US.json

@@ -25,7 +25,7 @@
     "settings.nav.group_system":  "System",
     "settings.nav.group_extensions":  "Extensions",
     "settings.nav.wallpaper":  "Wallpaper",
-    "settings.nav.grid":  "Grid",
+    "settings.nav.grid":  "Components",
     "settings.nav.color":  "Color",
     "settings.nav.status_bar":  "Status Bar",
     "settings.nav.weather":  "Weather",
@@ -303,8 +303,17 @@
     "settings.status_bar.clock_format.hm":  "Hour:Minute",
     "settings.status_bar.clock_format.hms":  "Hour:Minute:Second",
     "settings.components.title":  "Components",
-    "settings.components.description":  "Adjust desktop grid density and widget placement.",
+    "settings.components.description":  "Adjust component layout and corner design.",
-    "settings.components.grid_header":  "Grid Layout",
+    "settings.components.grid_header":  "Grid Settings",
+    "settings.components.header":  "Grid Settings",
+    "settings.components.short_side_label":  "Short Side Cells",
+    "settings.components.edge_inset_label":  "Screen Inset",
+    "settings.components.spacing_label":  "Component Spacing",
+    "settings.components.spacing_compact":  "Compact",
+    "settings.components.spacing_relaxed":  "Relaxed",
+    "settings.components.corner_radius.header":  "Corner Design",
+    "settings.components.corner_radius.label":  "Component Corner Radius",
+    "settings.components.corner_radius.description":  "Adjust the shared corner radius used by component containers, and expand the internal safe area with it.",
     "settings.update.title":  "Update",
     "settings.update.current_version_label":  "Current Version",
     "settings.update.latest_version_label":  "Latest Release",

LanMountainDesktop/Localization/zh-CN.json

@@ -25,7 +25,7 @@
     "settings.nav.group_system":  "系统",
     "settings.nav.group_extensions":  "扩展",
     "settings.nav.wallpaper":  "壁纸",
-    "settings.nav.grid":  "网格",
+    "settings.nav.grid":  "组件",
     "settings.nav.color":  "颜色",
     "settings.nav.status_bar":  "状态栏",
     "settings.nav.weather":  "天气",
@@ -301,9 +301,18 @@
     "settings.status_bar.clock_format_label":  "时钟格式",
     "settings.status_bar.clock_format.hm":  "时:分",
     "settings.status_bar.clock_format.hms":  "时:分:秒",
-    "settings.components.title":  "网格",
+    "settings.components.title":  "组件",
-    "settings.components.description":  "调整桌面网格与布局。",
+    "settings.components.description":  "调整组件布局与圆角设计。",
-    "settings.components.grid_header":  "网格布局",
+    "settings.components.grid_header":  "网格设置",
+    "settings.components.header":  "网格设置",
+    "settings.components.short_side_label":  "短边格数",
+    "settings.components.edge_inset_label":  "屏幕边距",
+    "settings.components.spacing_label":  "组件间距",
+    "settings.components.spacing_compact":  "紧凑",
+    "settings.components.spacing_relaxed":  "宽松",
+    "settings.components.corner_radius.header":  "圆角设计",
+    "settings.components.corner_radius.label":  "组件圆角",
+    "settings.components.corner_radius.description":  "统一调整组件容器圆角，并随圆角增大同步扩展内部安全区。",
     "settings.update.title":  "更新",
     "settings.update.current_version_label":  "当前版本",
     "settings.update.latest_version_label":  "最新发布",

LanMountainDesktop/Models/AppSettingsSnapshot.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using LanMountainDesktop.Settings.Core;
 
 namespace LanMountainDesktop.Models;
 
@@ -16,6 +17,8 @@ public sealed class AppSettingsSnapshot
 
     public bool UseSystemChrome { get; set; }
 
+    public double GlobalCornerRadiusScale { get; set; } = GlobalAppearanceSettings.DefaultCornerRadiusScale;
+
     public string ThemeColorMode { get; set; } = "default_neutral";
 
     public string SystemMaterialMode { get; set; } = "none";

LanMountainDesktop/Program.cs

@@ -4,6 +4,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.WebView.Desktop;
+using LanMountainDesktop.DesktopHost;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Services.Settings;
@@ -20,9 +21,11 @@ sealed class Program
     {
         AppLogger.Initialize();
         RegisterGlobalExceptionLogging();
-        InitializeDeviceId();
+        DesktopBootstrap.InitializeStartupServices(
-        InitializeCrashReporting();
+            InitializeDeviceId,
-        InitializeUserBehaviorAnalytics();
+            InitializeCrashReporting,
+            InitializeUserBehaviorAnalytics,
+            ScheduleWhiteboardNoteStartupCleanup);
         var restartParentProcessId = AppRestartService.TryGetRestartParentProcessId(args);
 
         using var singleInstance = AcquireSingleInstance(restartParentProcessId);
@@ -43,7 +46,6 @@ sealed class Program
 
         var diagnostics = StartupDiagnosticsService.Run(args);
         StartupDiagnosticsService.ShowLegacyExecutableWarningIfNeeded(diagnostics);
-        ScheduleWhiteboardNoteStartupCleanup();
 
         try
         {

LanMountainDesktop/Services/AppearanceThemeService.cs

@@ -11,9 +11,12 @@ using Avalonia.Media;
 using Avalonia.Styling;
 using Avalonia.Threading;
 using Avalonia.Media.Imaging;
+using LanMountainDesktop.Appearance;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.Settings.Core;
+using LanMountainDesktop.Shared.Contracts;
 using LanMountainDesktop.Theme;
 using Microsoft.Win32;
 
@@ -41,6 +44,8 @@ public sealed record AppearanceThemeSnapshot(
     string ThemeColorMode,
     string? UserThemeColor,
     string? SelectedWallpaperSeed,
+    double GlobalCornerRadiusScale,
+    AppearanceCornerRadiusTokens CornerRadiusTokens,
     string ResolvedSeedSource,
     MonetPalette MonetPalette,
     Color AccentColor,
@@ -464,6 +469,13 @@ internal sealed class AppearanceThemeService : IAppearanceThemeService, IDisposa
         var context = CreateThemeContext(snapshot);
         ThemeColorSystemService.ApplyThemeResources(resources, context);
         GlassEffectService.ApplyGlassResources(resources, context);
+        resources["DesignCornerRadiusMicro"] = snapshot.CornerRadiusTokens.Micro;
+        resources["DesignCornerRadiusXs"] = snapshot.CornerRadiusTokens.Xs;
+        resources["DesignCornerRadiusSm"] = snapshot.CornerRadiusTokens.Sm;
+        resources["DesignCornerRadiusMd"] = snapshot.CornerRadiusTokens.Md;
+        resources["DesignCornerRadiusLg"] = snapshot.CornerRadiusTokens.Lg;
+        resources["DesignCornerRadiusXl"] = snapshot.CornerRadiusTokens.Xl;
+        resources["DesignCornerRadiusIsland"] = snapshot.CornerRadiusTokens.Island;
     }
 
     public AppearanceMaterialSurface GetMaterialSurface(MaterialSurfaceRole role)
@@ -538,6 +550,7 @@ internal sealed class AppearanceThemeService : IAppearanceThemeService, IDisposa
         if (!refreshAll &&
             !changedKeys.Contains(nameof(AppSettingsSnapshot.IsNightMode), StringComparer.OrdinalIgnoreCase) &&
             !changedKeys.Contains(nameof(AppSettingsSnapshot.UseSystemChrome), StringComparer.OrdinalIgnoreCase) &&
+            !changedKeys.Contains(nameof(AppSettingsSnapshot.GlobalCornerRadiusScale), StringComparer.OrdinalIgnoreCase) &&
             !(respondsToThemeColor &&
               changedKeys.Contains(nameof(AppSettingsSnapshot.ThemeColor), StringComparer.OrdinalIgnoreCase)) &&
             !(respondsToWallpaper &&
@@ -559,6 +572,8 @@ internal sealed class AppearanceThemeService : IAppearanceThemeService, IDisposa
         bool queueWallpaperPaletteBuild)
     {
         var availableModes = _windowMaterialService.GetAvailableModes();
+        var globalCornerRadiusScale = GlobalAppearanceSettings.NormalizeCornerRadiusScale(themeState.GlobalCornerRadiusScale);
+        var cornerRadiusTokens = AppearanceCornerRadiusTokenFactory.Create(globalCornerRadiusScale);
         MonetPalette palette;
         IReadOnlyList<Color> wallpaperSeedCandidates;
         Color effectiveSeedColor;
@@ -598,6 +613,8 @@ internal sealed class AppearanceThemeService : IAppearanceThemeService, IDisposa
             themeColorMode,
             themeState.ThemeColor,
             selectedWallpaperSeed,
+            globalCornerRadiusScale,
+            cornerRadiusTokens,
             resolvedSeedSource,
             palette,
             ResolveAccentColor(themeColorMode, themeState.ThemeColor, palette),

LanMountainDesktop/Services/DesktopComponentRegistryFactory.cs

@@ -122,6 +122,7 @@ public static class DesktopComponentRegistryFactory
             var pluginSettings = new PluginScopedSettingsService(
                 contribution.Plugin.Manifest.Id,
                 settingsService);
+            var appearanceSnapshot = HostAppearanceThemeProvider.GetOrCreate().GetCurrent();
             var pluginContext = new PluginDesktopComponentContext(
                 contribution.Plugin.Manifest,
                 contribution.Plugin.Context.PluginDirectory,
@@ -131,6 +132,8 @@ public static class DesktopComponentRegistryFactory
                 contribution.Registration.ComponentId,
                 context.PlacementId,
                 context.CellSize,
+                appearanceSnapshot.GlobalCornerRadiusScale,
+                appearanceSnapshot.CornerRadiusTokens,
                 pluginSettings);
 
             return contribution.Registration.ControlFactory(contribution.Plugin.Services, pluginContext);

LanMountainDesktop/Services/IComponentLibraryService.cs

@@ -20,6 +20,7 @@ public sealed record ComponentLibraryCategoryEntry(
 
 public sealed record ComponentLibraryCreateContext(
     double CellSize,
+    double GlobalCornerRadiusScale,
     TimeZoneService TimeZoneService,
     IWeatherInfoService WeatherInfoService,
     IRecommendationInfoService RecommendationInfoService,

LanMountainDesktop/Services/Settings/SettingsCatalogService.cs

@@ -17,7 +17,7 @@ internal sealed class SettingsCatalogService : ISettingsCatalog
         [
             new SettingsSectionDefinition("general", SettingsCategories.General, SettingsScope.App, "settings.general.title", iconKey: "Settings", sortOrder: 0),
             new SettingsSectionDefinition("appearance", SettingsCategories.Appearance, SettingsScope.App, "settings.appearance.title", iconKey: "DesignIdeas", sortOrder: 10),
-            new SettingsSectionDefinition("components", SettingsCategories.Components, SettingsScope.ComponentInstance, "settings.components.title", iconKey: "GridDots", sortOrder: 20),
+            new SettingsSectionDefinition("components", SettingsCategories.Components, SettingsScope.ComponentInstance, "settings.components.title", iconKey: "Apps", sortOrder: 20),
             new SettingsSectionDefinition("plugins", SettingsCategories.Plugins, SettingsScope.Plugin, "settings.plugins.title", iconKey: "PuzzlePiece", sortOrder: 30),
             new SettingsSectionDefinition("about", SettingsCategories.About, SettingsScope.App, "settings.about.title", iconKey: "Info", sortOrder: 40)
         ]);

LanMountainDesktop/Services/Settings/SettingsContracts.cs

@@ -5,6 +5,7 @@ using System.Threading.Tasks;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
+using LanMountainDesktop.Settings.Core;
 
 namespace LanMountainDesktop.Services.Settings;
 
@@ -20,6 +21,7 @@ public sealed record ThemeAppearanceSettingsState(
     bool IsNightMode,
     string? ThemeColor,
     bool UseSystemChrome,
+    double GlobalCornerRadiusScale = GlobalAppearanceSettings.DefaultCornerRadiusScale,
     string ThemeColorMode = ThemeAppearanceValues.ColorModeDefaultNeutral,
     string SystemMaterialMode = ThemeAppearanceValues.MaterialNone,
     string? SelectedWallpaperSeed = null);

LanMountainDesktop/Services/Settings/SettingsDomainServices.cs

@@ -10,6 +10,7 @@ using Avalonia.Media.Imaging;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
+using LanMountainDesktop.Settings.Core;
 using LanMountainDesktop.Services.PluginMarket;
 
 namespace LanMountainDesktop.Services.Settings;
@@ -242,6 +243,7 @@ internal sealed class ThemeAppearanceService : IThemeAppearanceService
             snapshot.IsNightMode ?? false,
             snapshot.ThemeColor,
             snapshot.UseSystemChrome,
+            GlobalAppearanceSettings.NormalizeCornerRadiusScale(snapshot.GlobalCornerRadiusScale),
             ThemeAppearanceValues.NormalizeThemeColorMode(snapshot.ThemeColorMode, snapshot.ThemeColor),
             ThemeAppearanceValues.NormalizeSystemMaterialMode(snapshot.SystemMaterialMode),
             snapshot.SelectedWallpaperSeed);
@@ -252,6 +254,7 @@ internal sealed class ThemeAppearanceService : IThemeAppearanceService
         var snapshot = _settingsService.Load();
         var changedKeys = new List<string>();
         var normalizedThemeColor = string.IsNullOrWhiteSpace(state.ThemeColor) ? null : state.ThemeColor;
+        var normalizedCornerRadiusScale = GlobalAppearanceSettings.NormalizeCornerRadiusScale(state.GlobalCornerRadiusScale);
         var normalizedThemeColorMode = ThemeAppearanceValues.NormalizeThemeColorMode(state.ThemeColorMode, state.ThemeColor);
         var normalizedSystemMaterialMode = ThemeAppearanceValues.NormalizeSystemMaterialMode(state.SystemMaterialMode);
         var normalizedSelectedWallpaperSeed = string.IsNullOrWhiteSpace(state.SelectedWallpaperSeed)
@@ -276,6 +279,12 @@ internal sealed class ThemeAppearanceService : IThemeAppearanceService
             changedKeys.Add(nameof(AppSettingsSnapshot.UseSystemChrome));
         }
 
+        if (Math.Abs(GlobalAppearanceSettings.NormalizeCornerRadiusScale(snapshot.GlobalCornerRadiusScale) - normalizedCornerRadiusScale) > 0.0001d)
+        {
+            snapshot.GlobalCornerRadiusScale = normalizedCornerRadiusScale;
+            changedKeys.Add(nameof(AppSettingsSnapshot.GlobalCornerRadiusScale));
+        }
+
         if (!string.Equals(snapshot.ThemeColorMode, normalizedThemeColorMode, StringComparison.OrdinalIgnoreCase))
         {
             snapshot.ThemeColorMode = normalizedThemeColorMode;

LanMountainDesktop/Styles/ComponentEditorThemeResources.axaml

@@ -18,7 +18,7 @@
         <Setter Property="Background" Value="{DynamicResource EditorSelectFieldBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineBrush}" />
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="CornerRadius" Value="18" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusMd}" />
         <Setter Property="Padding" Value="16,14,12,14" />
         <Setter Property="MinHeight" Value="56" />
         <Setter Property="FontSize" Value="14" />
@@ -40,7 +40,7 @@
         <Setter Property="Background" Value="{DynamicResource EditorSelectFieldBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineBrush}" />
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="CornerRadius" Value="18" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusMd}" />
         <Setter Property="Padding" Value="16,14,12,14" />
         <Setter Property="MinHeight" Value="56" />
         <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
@@ -61,7 +61,7 @@
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Padding" Value="16,12" />
         <Setter Property="Margin" Value="6,4" />
-        <Setter Property="CornerRadius" Value="14" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusSm}" />
         <Setter Property="MinHeight" Value="44" />
     </Style>
 
@@ -100,7 +100,7 @@
         <Setter Property="Background" Value="{DynamicResource EditorSurfaceContainerHighBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineBrush}" />
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="CornerRadius" Value="20" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusLg}" />
         <Setter Property="Padding" Value="4" />
     </Style>
 
@@ -108,7 +108,7 @@
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="BorderBrush" Value="Transparent" />
         <Setter Property="BorderThickness" Value="0" />
-        <Setter Property="CornerRadius" Value="16" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusSm}" />
         <Setter Property="Padding" Value="18,12" />
         <Setter Property="MinHeight" Value="48" />
         <Setter Property="FontSize" Value="14" />
@@ -139,14 +139,14 @@
         <Setter Property="Background" Value="{DynamicResource ComponentEditorHeroBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource ComponentEditorCardBorderBrush}" />
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="CornerRadius" Value="28" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusXl}" />
     </Style>
 
     <Style Selector="Border.component-editor-card">
         <Setter Property="Background" Value="{DynamicResource ComponentEditorCardBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource ComponentEditorCardBorderBrush}" />
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="CornerRadius" Value="24" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusLg}" />
     </Style>
 
     <Style Selector="TextBlock.component-editor-headline">

LanMountainDesktop/Styles/GlassModule.axaml

@@ -4,11 +4,13 @@
 
     <Styles.Resources>
         <!-- Unified corner radius tokens used across settings and widget panels -->
+        <CornerRadius x:Key="DesignCornerRadiusMicro">6</CornerRadius>
         <CornerRadius x:Key="DesignCornerRadiusXl">32</CornerRadius>
         <CornerRadius x:Key="DesignCornerRadiusLg">28</CornerRadius>
         <CornerRadius x:Key="DesignCornerRadiusMd">20</CornerRadius>
         <CornerRadius x:Key="DesignCornerRadiusSm">14</CornerRadius>
         <CornerRadius x:Key="DesignCornerRadiusXs">12</CornerRadius>
+        <CornerRadius x:Key="DesignCornerRadiusIsland">36</CornerRadius>
     </Styles.Resources>
 
     <Style Selector="TextBlock">
@@ -19,7 +21,7 @@
         <Setter Property="Background" Value="{DynamicResource AdaptiveButtonBackgroundBrush}" />
         <Setter Property="BorderThickness" Value="1" />
         <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveButtonBorderBrush}" />
-        <Setter Property="CornerRadius" Value="20" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusMd}" />
         <Setter Property="Foreground" Value="{DynamicResource AdaptiveTextPrimaryBrush}" />
         <Setter Property="FontSize" Value="14" />
         <Setter Property="Padding" Value="16,10" />
@@ -155,7 +157,7 @@
 
     <Style Selector="Button.swatch-button">
         <Setter Property="BorderThickness" Value="0" />
-        <Setter Property="CornerRadius" Value="16" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusXs}" />
         <Setter Property="Opacity" Value="0.88" />
     </Style>
 
@@ -175,7 +177,7 @@
         <Setter Property="Background" Value="{DynamicResource AdaptiveGlassPanelBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveGlassPanelBorderBrush}" />
         <Setter Property="BorderThickness" Value="1.2" />
-        <Setter Property="CornerRadius" Value="28" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusLg}" />
         <Setter Property="Opacity" Value="{DynamicResource AdaptiveGlassPanelOpacity}" />
         <Setter Property="BoxShadow" Value="0 4 12 #1A000000" />
     </Style>
@@ -184,7 +186,7 @@
         <Setter Property="Background" Value="{DynamicResource AdaptiveGlassStrongBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveGlassStrongBorderBrush}" />
         <Setter Property="BorderThickness" Value="1.5" />
-        <Setter Property="CornerRadius" Value="32" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusXl}" />
         <Setter Property="Opacity" Value="{DynamicResource AdaptiveGlassStrongOpacity}" />
         <Setter Property="BoxShadow" Value="0 8 24 #26000000" />
     </Style>
@@ -193,7 +195,7 @@
         <Setter Property="Background" Value="{DynamicResource AdaptiveDockGlassBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveDockGlassBorderBrush}" />
         <Setter Property="BorderThickness" Value="1.5" />
-        <Setter Property="CornerRadius" Value="36" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusIsland}" />
         <Setter Property="Opacity" Value="{DynamicResource AdaptiveGlassStrongOpacity}" />
         <Setter Property="BoxShadow" Value="0 12 32 #33000000" />
         <Setter Property="Transitions">
@@ -206,7 +208,7 @@
     <Style Selector="Border.surface-solid-strong">
         <Setter Property="Background" Value="{DynamicResource AdaptiveGlassStrongBackgroundBrush}" />
         <Setter Property="BorderThickness" Value="0" />
-        <Setter Property="CornerRadius" Value="36" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusIsland}" />
         <Setter Property="Opacity" Value="{DynamicResource AdaptiveGlassStrongOpacity}" />
         <Setter Property="BoxShadow" Value="0 8 22 #2A000000" />
     </Style>

LanMountainDesktop/Styles/SettingsCardStyles.axaml

@@ -48,21 +48,21 @@
     </Style>
 
     <Style Selector="Border.settings-section-card">
-        <Setter Property="CornerRadius" Value="18" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusLg}" />
         <Setter Property="Padding" Value="20" />
         <Setter Property="Margin" Value="0,0,0,14" />
         <Setter Property="BoxShadow" Value="0 2 8 #12000000" />
     </Style>
 
     <Style Selector="Border.settings-option-card">
-        <Setter Property="CornerRadius" Value="14" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusSm}" />
         <Setter Property="Padding" Value="16" />
         <Setter Property="Margin" Value="0,0,0,12" />
         <Setter Property="BoxShadow" Value="0 1 4 #0F000000" />
     </Style>
 
     <Style Selector="Border.settings-list-item">
-        <Setter Property="CornerRadius" Value="14" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusSm}" />
         <Setter Property="Padding" Value="16" />
         <Setter Property="Margin" Value="0,0,0,10" />
         <Setter Property="BoxShadow" Value="0 1 4 #0F000000" />
@@ -77,7 +77,7 @@
         <Setter Property="Background" Value="{DynamicResource AdaptiveButtonBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveButtonBorderBrush}" />
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="CornerRadius" Value="12" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusXs}" />
         <Setter Property="HorizontalAlignment" Value="Left" />
         <Setter Property="VerticalAlignment" Value="Top" />
     </Style>
@@ -201,7 +201,7 @@
         <Setter Property="Background" Value="{DynamicResource AdaptiveSurfaceRaisedBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveGlassPanelBorderBrush}" />
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="CornerRadius" Value="12" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusXs}" />
         <Setter Property="Padding" Value="14,12" />
         <Setter Property="Margin" Value="0,0,0,8" />
         <Setter Property="HorizontalContentAlignment" Value="Stretch" />
@@ -229,7 +229,7 @@
         <Setter Property="Background" Value="{DynamicResource AdaptiveAccentBrush}" />
         <Setter Property="Foreground" Value="{DynamicResource AdaptiveOnAccentBrush}" />
         <Setter Property="BorderThickness" Value="0" />
-        <Setter Property="CornerRadius" Value="10" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusXs}" />
         <Setter Property="Padding" Value="16,10" />
         <Setter Property="MinHeight" Value="36" />
     </Style>
@@ -254,7 +254,7 @@
         <Setter Property="Width" Value="36" />
         <Setter Property="Height" Value="36" />
         <Setter Property="Padding" Value="0" />
-        <Setter Property="CornerRadius" Value="10" />
+        <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusXs}" />
         <Setter Property="MinHeight" Value="36" />
         <Setter Property="Background" Value="{DynamicResource AdaptiveButtonBackgroundBrush}" />
         <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveButtonBorderBrush}" />

LanMountainDesktop/ViewModels/SettingsViewModels.cs

@@ -12,6 +12,7 @@ using LanMountainDesktop.Models;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.Settings.Core;
 
 namespace LanMountainDesktop.ViewModels;
 
@@ -481,6 +482,9 @@ public sealed partial class AppearanceSettingsPageViewModel : ViewModelBase
     [ObservableProperty]
     private bool _useSystemChrome;
 
+    [ObservableProperty]
+    private double _globalCornerRadiusScale = GlobalAppearanceSettings.DefaultCornerRadiusScale;
+
     [ObservableProperty]
     private SelectionOption _selectedThemeColorMode = new(ThemeAppearanceValues.ColorModeSeedMonet, "User theme color Monet");
 
@@ -547,6 +551,12 @@ public sealed partial class AppearanceSettingsPageViewModel : ViewModelBase
     [ObservableProperty]
     private string _systemMaterialLabel = string.Empty;
 
+    [ObservableProperty]
+    private string _globalCornerRadiusLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _globalCornerRadiusDescription = string.Empty;
+
     [ObservableProperty]
     private string _themeHeader = string.Empty;
 
@@ -668,6 +678,32 @@ public sealed partial class AppearanceSettingsPageViewModel : ViewModelBase
         PersistCurrentState(restartRequired: false);
     }
 
+    partial void OnGlobalCornerRadiusScaleChanged(double value)
+    {
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        var normalized = GlobalAppearanceSettings.NormalizeCornerRadiusScale(value);
+        if (Math.Abs(normalized - value) > 0.0001d)
+        {
+            _isInitializing = true;
+            try
+            {
+                GlobalCornerRadiusScale = normalized;
+            }
+            finally
+            {
+                _isInitializing = false;
+            }
+
+            return;
+        }
+
+        PersistCurrentState(restartRequired: false);
+    }
+
     partial void OnSelectedThemeColorModeChanged(SelectionOption value)
     {
         if (_isInitializing || value is null)
@@ -732,6 +768,8 @@ public sealed partial class AppearanceSettingsPageViewModel : ViewModelBase
         ThemeColorLabel = L("settings.color.theme_color_label", "Theme Accent Color");
         ThemeColorModeLabel = L("settings.appearance.theme_color_mode_label", "Theme color source");
         SystemMaterialLabel = L("settings.appearance.system_material_label", "System material");
+        GlobalCornerRadiusLabel = L("settings.appearance.corner_radius.label", "Global corner radius");
+        GlobalCornerRadiusDescription = L("settings.appearance.corner_radius.description", "Adjust the shared radius scale used by cards, panels, and component containers.");
         ThemeSourceNeutralText = L("settings.appearance.theme_color_mode.neutral", "Default neutral");
         ThemeSourceUserColorText = L("settings.appearance.theme_color_mode.user", "User theme color Monet");
         ThemeSourceWallpaperText = L("settings.appearance.theme_color_mode.wallpaper", "Wallpaper Monet");
@@ -776,6 +814,7 @@ public sealed partial class AppearanceSettingsPageViewModel : ViewModelBase
         IsNightMode = theme.IsNightMode;
         ThemeColor = theme.ThemeColor ?? string.Empty;
         UseSystemChrome = theme.UseSystemChrome;
+        GlobalCornerRadiusScale = GlobalAppearanceSettings.NormalizeCornerRadiusScale(theme.GlobalCornerRadiusScale);
         _selectedWallpaperSeed = theme.SelectedWallpaperSeed;
         SyncCustomSeedPickerWithSavedThemeColor();
 
@@ -825,6 +864,7 @@ public sealed partial class AppearanceSettingsPageViewModel : ViewModelBase
             IsNightMode,
             themeColor,
             UseSystemChrome,
+            GlobalAppearanceSettings.NormalizeCornerRadiusScale(GlobalCornerRadiusScale),
             themeColorMode,
             ThemeAppearanceValues.NormalizeSystemMaterialMode(SelectedSystemMaterialMode?.Value),
             _selectedWallpaperSeed);
@@ -956,7 +996,7 @@ public sealed partial class ComponentsSettingsPageViewModel : ViewModelBase
     private string _pageDescription = string.Empty;
 
     [ObservableProperty]
-    private string _gridHeader = string.Empty;
+    private string _componentsHeader = string.Empty;
 
     [ObservableProperty]
     private string _shortSideCellsLabel = string.Empty;
@@ -967,6 +1007,18 @@ public sealed partial class ComponentsSettingsPageViewModel : ViewModelBase
     [ObservableProperty]
     private string _spacingPresetLabel = string.Empty;
 
+    [ObservableProperty]
+    private double _globalCornerRadiusScale = GlobalAppearanceSettings.DefaultCornerRadiusScale;
+
+    [ObservableProperty]
+    private string _componentRadiusHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _globalCornerRadiusLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _globalCornerRadiusDescription = string.Empty;
+
     public void Load()
     {
         var state = _settingsFacade.Grid.Get();
@@ -976,6 +1028,9 @@ public sealed partial class ComponentsSettingsPageViewModel : ViewModelBase
         SelectedSpacingPreset = SpacingPresets.FirstOrDefault(option =>
             string.Equals(option.Value, spacingPreset, StringComparison.OrdinalIgnoreCase))
             ?? SpacingPresets[1];
+
+        var theme = _settingsFacade.Theme.Get();
+        GlobalCornerRadiusScale = GlobalAppearanceSettings.NormalizeCornerRadiusScale(theme.GlobalCornerRadiusScale);
     }
 
     partial void OnShortSideCellsChanged(int value)
@@ -1008,6 +1063,32 @@ public sealed partial class ComponentsSettingsPageViewModel : ViewModelBase
         SaveGrid();
     }
 
+    partial void OnGlobalCornerRadiusScaleChanged(double value)
+    {
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        var normalized = GlobalAppearanceSettings.NormalizeCornerRadiusScale(value);
+        if (Math.Abs(normalized - value) > 0.0001d)
+        {
+            _isInitializing = true;
+            try
+            {
+                GlobalCornerRadiusScale = normalized;
+            }
+            finally
+            {
+                _isInitializing = false;
+            }
+
+            return;
+        }
+
+        SaveComponentCornerRadius();
+    }
+
     private void SaveGrid()
     {
         _settingsFacade.Grid.Save(new GridSettingsState(
@@ -1016,23 +1097,39 @@ public sealed partial class ComponentsSettingsPageViewModel : ViewModelBase
             Math.Clamp(EdgeInsetPercent, 0, 30)));
     }
 
+    private void SaveComponentCornerRadius()
+    {
+        var theme = _settingsFacade.Theme.Get();
+        _settingsFacade.Theme.Save(new ThemeAppearanceSettingsState(
+            theme.IsNightMode,
+            theme.ThemeColor,
+            theme.UseSystemChrome,
+            GlobalAppearanceSettings.NormalizeCornerRadiusScale(GlobalCornerRadiusScale),
+            theme.ThemeColorMode,
+            theme.SystemMaterialMode,
+            theme.SelectedWallpaperSeed));
+    }
+
     private IReadOnlyList<SelectionOption> CreateSpacingPresets()
     {
         return
         [
-            new SelectionOption("Compact", L("settings.grid.spacing_compact", "Compact")),
+            new SelectionOption("Compact", L("settings.components.spacing_compact", "Compact")),
-            new SelectionOption("Relaxed", L("settings.grid.spacing_relaxed", "Relaxed"))
+            new SelectionOption("Relaxed", L("settings.components.spacing_relaxed", "Relaxed"))
         ];
     }
 
     private void RefreshLocalizedText()
     {
         PageTitle = L("settings.components.title", "Components");
-        PageDescription = L("settings.components.description", "Desktop grid and widget placement density.");
+        PageDescription = L("settings.components.description", "Adjust component layout and corner design.");
-        GridHeader = L("settings.components.grid_header", "Grid Layout");
+        ComponentsHeader = L("settings.components.header", "Grid Settings");
-        ShortSideCellsLabel = L("settings.grid.short_side_label", "Short Side Cells");
+        ShortSideCellsLabel = L("settings.components.short_side_label", "Short Side Cells");
-        EdgeInsetPercentLabel = L("settings.grid.edge_inset_label", "Screen Inset");
+        EdgeInsetPercentLabel = L("settings.components.edge_inset_label", "Screen Inset");
-        SpacingPresetLabel = L("settings.grid.spacing_label", "Grid Spacing");
+        SpacingPresetLabel = L("settings.components.spacing_label", "Component Spacing");
+        ComponentRadiusHeader = L("settings.components.corner_radius.header", "Corner Design");
+        GlobalCornerRadiusLabel = L("settings.components.corner_radius.label", "Component Corner Radius");
+        GlobalCornerRadiusDescription = L("settings.components.corner_radius.description", "Adjust the shared corner radius used by component containers, and expand the internal safe area with it.");
     }
 
     private string L(string key, string fallback)

LanMountainDesktop/Views/ComponentEditorWindow.axaml

@@ -53,7 +53,7 @@
         
         <!-- MD3 Button Styles -->
         <Style Selector="Button.component-editor-footer-button">
-            <Setter Property="CornerRadius" Value="20" />
+            <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusMd}" />
             <Setter Property="Background" Value="{DynamicResource EditorPrimaryBrush}" />
             <Setter Property="Foreground" Value="{DynamicResource EditorOnPrimaryBrush}" />
             <Setter Property="Height" Value="40" />
@@ -118,7 +118,7 @@
                     Height="64"
                     Background="{DynamicResource EditorPrimaryBrush}"
                     Foreground="{DynamicResource EditorOnPrimaryBrush}"
-                    CornerRadius="18"
+                    CornerRadius="{DynamicResource DesignCornerRadiusMd}"
                     Classes="accent"
                     Click="OnCloseClick">
                 <Button.Styles>

LanMountainDesktop/Views/ComponentLibraryWindow.axaml

@@ -39,7 +39,7 @@
               ColumnDefinitions="240,*"
               ColumnSpacing="12">
             <Border Classes="surface-translucent-panel"
-                    CornerRadius="24"
+                    CornerRadius="{DynamicResource DesignCornerRadiusLg}"
                     Padding="10">
                 <ListBox x:Name="CategoryListBox"
                          Background="Transparent"
@@ -50,7 +50,7 @@
                         <DataTemplate x:DataType="vm:ComponentLibraryCategoryViewModel">
                             <Border Padding="10"
                                     Margin="0,0,0,6"
-                                    CornerRadius="14"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                                     Background="{DynamicResource AdaptiveNavItemBackgroundBrush}">
                                 <Grid ColumnDefinitions="Auto,*"
                                       ColumnSpacing="8">
@@ -71,7 +71,7 @@
 
             <Border Grid.Column="1"
                     Classes="surface-translucent-strong"
-                    CornerRadius="24"
+                    CornerRadius="{DynamicResource DesignCornerRadiusLg}"
                     Padding="10">
                 <ScrollViewer VerticalScrollBarVisibility="Auto"
                               HorizontalScrollBarVisibility="Disabled">
@@ -87,14 +87,14 @@
                                 <Border Width="240"
                                         Height="220"
                                         Margin="6"
-                                        CornerRadius="18"
+                                        CornerRadius="{DynamicResource DesignCornerRadiusLg}"
                                         Padding="10"
                                         Background="{DynamicResource AdaptiveSurfaceRaisedBrush}"
                                         BorderBrush="{DynamicResource AdaptiveButtonBorderBrush}"
                                         BorderThickness="1">
                                     <Grid RowDefinitions="*,Auto,Auto"
                                           RowSpacing="8">
-                                        <Border CornerRadius="12"
+                                        <Border CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                                                 Background="{DynamicResource AdaptiveGlassPanelBackgroundBrush}"
                                                 BorderThickness="1"
                                                 BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"

LanMountainDesktop/Views/Components/AnalogClockWidget.axaml.cs

@@ -326,7 +326,7 @@ public partial class AnalogClockWidget : UserControl, IDesktopComponentWidget, I
         _currentCellSize = Math.Max(1, cellSize);
         var scale = ResolveScale();
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(42 * scale, 16, 56));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(42 * scale, 16, 56);
         RootBorder.Padding = new Thickness(Math.Clamp(14 * scale, 8, 26));
         ApplyModeVisualIfNeeded();
     }

LanMountainDesktop/Views/Components/BaiduHotSearchWidget.axaml.cs

@@ -381,12 +381,12 @@ public partial class BaiduHotSearchWidget : UserControl, IDesktopComponentWidget
         var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
         var totalHeight = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * BaseHeightCells;
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * softScale, 16, 52));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * softScale, 16, 52);
         RootBorder.Padding = new Thickness(0);
 
         var horizontalPadding = Math.Clamp(16 * softScale, 8, 24);
         var verticalPadding = Math.Clamp(14 * softScale, 7, 20);
-        CardBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * softScale, 16, 52));
+        CardBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * softScale, 16, 52);
         CardBorder.Padding = new Thickness(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);
 
         var innerWidth = Math.Max(120, totalWidth - (horizontalPadding * 2d));

LanMountainDesktop/Views/Components/BilibiliHotSearchWidget.axaml.cs

@@ -386,12 +386,12 @@ public partial class BilibiliHotSearchWidget : UserControl, IDesktopComponentWid
         var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
         var totalHeight = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * BaseHeightCells;
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * softScale, 16, 52));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * softScale, 16, 52);
         RootBorder.Padding = new Thickness(0);
 
         var horizontalPadding = Math.Clamp(16 * softScale, 8, 24);
         var verticalPadding = Math.Clamp(14 * softScale, 7, 20);
-        CardBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * softScale, 16, 52));
+        CardBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * softScale, 16, 52);
         CardBorder.Padding = new Thickness(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);
 
         var innerWidth = Math.Max(120, totalWidth - (horizontalPadding * 2d));

LanMountainDesktop/Views/Components/BrowserWidget.axaml.cs

@@ -79,11 +79,11 @@ public partial class BrowserWidget : UserControl, IDesktopComponentWidget,
     {
         _currentCellSize = Math.Max(1, cellSize);
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.34, 12, 28));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.34, 12, 28);
         RootBorder.Padding = new Thickness(Math.Clamp(_currentCellSize * 0.20, 8, 18));
 
-        WebViewHostBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.24, 10, 22));
+        WebViewHostBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.24, 10, 22);
-        AddressBarBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.22, 10, 20));
+        AddressBarBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.22, 10, 20);
         AddressBarBorder.Padding = new Thickness(8, 6);
 
         if (RootBorder.Child is Grid rootGrid)

LanMountainDesktop/Views/Components/ClassScheduleWidget.axaml.cs

@@ -613,18 +613,17 @@ public partial class ClassScheduleWidget : UserControl, IDesktopComponentWidget,
             ? CreateBrush("#FF4FC3F7")
             : CreateBrush("#FF3250");
 
-        var cornerRadius = Math.Clamp(_currentCellSize * 0.45, 24, 44);
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.45, 24, 44);
-        RootBorder.CornerRadius = new CornerRadius(cornerRadius);
         RootBorder.Background = _isNightVisual
             ? CreateGradientBrush("#171A21", "#0C0E14")
             : CreateGradientBrush("#F7F8FC", "#ECEFF6");
         RootBorder.BorderBrush = CreateBrush(_isNightVisual ? "#24FFFFFF" : "#15000000");
 
         var rootPadding = new Thickness(
-            Math.Clamp(16 * scale, 10, 24),
+            ComponentChromeCornerRadiusHelper.SafeValue(16 * scale, 10, 24),
-            Math.Clamp(14 * scale, 9, 20),
+            ComponentChromeCornerRadiusHelper.SafeValue(14 * scale, 9, 20),
-            Math.Clamp(16 * scale, 10, 24),
+            ComponentChromeCornerRadiusHelper.SafeValue(16 * scale, 10, 24),
-            Math.Clamp(14 * scale, 8, 20));
+            ComponentChromeCornerRadiusHelper.SafeValue(14 * scale, 8, 20));
         RootBorder.Padding = rootPadding;
 
         LayoutGrid.RowSpacing = Math.Clamp(14 * scale, 6, 20);

LanMountainDesktop/Views/Components/CnrDailyNewsWidget.axaml.cs

@@ -480,7 +480,7 @@ public partial class CnrDailyNewsWidget : UserControl, IDesktopComponentWidget,
             {
                 Width = 160,
                 Height = 90,
-                CornerRadius = new CornerRadius(16),
+                CornerRadius = ComponentChromeCornerRadiusHelper.Scale(16, 8, 22),
                 ClipToBounds = true,
                 Background = new SolidColorBrush(Color.Parse("#E6E6E6")),
                 IsHitTestVisible = false
@@ -545,10 +545,10 @@ public partial class CnrDailyNewsWidget : UserControl, IDesktopComponentWidget,
         var scale = ResolveScale();
         var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 16, 52));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * scale, 16, 52);
         RootBorder.Padding = new Thickness(0);
 
-        CardBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 16, 52));
+        CardBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * scale, 16, 52);
         CardBorder.Padding = new Thickness(
             Math.Clamp(16 * scale, 8, 24),
             Math.Clamp(14 * scale, 7, 22),
@@ -573,8 +573,8 @@ public partial class CnrDailyNewsWidget : UserControl, IDesktopComponentWidget,
         News1ImageHost.Height = imageHeight;
         News2ImageHost.Width = imageWidth;
         News2ImageHost.Height = imageHeight;
-        News1ImageHost.CornerRadius = new CornerRadius(Math.Clamp(16 * scale, 8, 22));
+        News1ImageHost.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(16 * scale, 8, 22);
-        News2ImageHost.CornerRadius = new CornerRadius(Math.Clamp(16 * scale, 8, 22));
+        News2ImageHost.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(16 * scale, 8, 22);
 
         var columnGap = Math.Clamp(12 * scale, 6, 18);
         NewsItem1Grid.ColumnSpacing = columnGap;
@@ -611,7 +611,7 @@ public partial class CnrDailyNewsWidget : UserControl, IDesktopComponentWidget,
 
             row.ImageHost.Width = imageWidth;
             row.ImageHost.Height = imageHeight;
-            row.ImageHost.CornerRadius = new CornerRadius(Math.Clamp(16 * scale, 8, 22));
+            row.ImageHost.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(16 * scale, 8, 22);
 
             row.TitleTextBlock.MaxWidth = availableTextWidth;
             row.TitleTextBlock.FontSize = Math.Clamp(19 * scale, 10, 25);

LanMountainDesktop/Views/Components/ComponentChromeCornerRadiusHelper.cs

@@ -0,0 +1,72 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Media;
+using LanMountainDesktop.Host.Abstractions;
+using LanMountainDesktop.Services;
+
+namespace LanMountainDesktop.Views.Components;
+
+internal static class ComponentChromeCornerRadiusHelper
+{
+    public static double ResolveScale(ComponentChromeContext? chromeContext = null)
+    {
+        if (chromeContext is not null)
+        {
+            return Math.Max(0.1d, chromeContext.GlobalCornerRadiusScale);
+        }
+
+        return Math.Max(0.1d, HostAppearanceThemeProvider.GetOrCreate().GetCurrent().GlobalCornerRadiusScale);
+    }
+
+    public static CornerRadius Scale(double baseRadius, double min, double max, ComponentChromeContext? chromeContext = null)
+    {
+        var scale = ResolveScale(chromeContext);
+        return new CornerRadius(Math.Clamp(baseRadius * scale, min * scale, max * scale));
+    }
+
+    public static void Apply(CornerRadius radius, params Border?[] chromeLayers)
+    {
+        foreach (var chromeLayer in chromeLayers)
+        {
+            if (chromeLayer is not null)
+            {
+                chromeLayer.CornerRadius = radius;
+            }
+        }
+    }
+
+    public static CornerRadius ResolveToken(string key, double fallback)
+    {
+        var application = Application.Current;
+        return application is not null &&
+               application.Resources.TryGetResource(key, application.ActualThemeVariant, out var resource) &&
+               resource is CornerRadius radius
+            ? radius
+            : new CornerRadius(fallback);
+    }
+
+    public static double ScaleValue(double value, ComponentChromeContext? chromeContext = null)
+    {
+        return value * ResolveScale(chromeContext);
+    }
+
+    public static double ResolveContentSafetyScale(
+        ComponentChromeContext? chromeContext = null,
+        double responsiveness = 0.45d)
+    {
+        var scale = ResolveScale(chromeContext);
+        var normalizedResponsiveness = Math.Clamp(responsiveness, 0d, 1d);
+        return 1d + ((scale - 1d) * normalizedResponsiveness);
+    }
+
+    public static double SafeValue(
+        double baseValue,
+        double min,
+        double max,
+        ComponentChromeContext? chromeContext = null,
+        double responsiveness = 0.45d)
+    {
+        var safetyScale = ResolveContentSafetyScale(chromeContext, responsiveness);
+        return Math.Clamp(baseValue * safetyScale, min * safetyScale, max * safetyScale);
+    }
+}

LanMountainDesktop/Views/Components/DailyArtworkWidget.axaml.cs

@@ -101,7 +101,7 @@ public partial class DailyArtworkWidget : UserControl, IDesktopComponentWidget,
         _currentCellSize = Math.Max(1, cellSize);
         var scale = ResolveScale();
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 16, 52));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * scale, 16, 52);
 
         InfoPanel.Padding = new Thickness(
             Math.Clamp(18 * scale, 10, 28),

LanMountainDesktop/Views/Components/DailyPoetryWidget.axaml.cs

@@ -92,7 +92,7 @@ public partial class DailyPoetryWidget : UserControl, IDesktopComponentWidget, I
         _currentCellSize = Math.Max(1, cellSize);
         var scale = ResolveScale();
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 16, 52));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * scale, 16, 52);
         RootBorder.Padding = new Thickness(
             Math.Clamp(20 * scale, 10, 34),
             Math.Clamp(16 * scale, 8, 28),

LanMountainDesktop/Views/Components/DailyWord2x2Widget.axaml.cs

@@ -328,7 +328,7 @@ public partial class DailyWord2x2Widget : UserControl, IDesktopComponentWidget,
         var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
         var totalHeight = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * BaseHeightCells;
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(30 * scale, 14, 40));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(30 * scale, 14, 40);
         CardBorder.CornerRadius = RootBorder.CornerRadius;
         CardBorder.Padding = new Thickness(
             Math.Clamp(12 * scale, 8, 18),

LanMountainDesktop/Views/Components/DailyWordWidget.axaml.cs

@@ -298,10 +298,11 @@ public partial class DailyWordWidget : UserControl, IDesktopComponentWidget, IRe
             isFourByThree = widthRatio >= 0.9 && heightRatio >= 1.35;
         }
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 16, 52));
+        var containerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * scale, 16, 52);
+        RootBorder.CornerRadius = containerRadius;
         RootBorder.Padding = new Thickness(0);
 
-        CardBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 16, 52));
+        CardBorder.CornerRadius = containerRadius;
         CardBorder.Padding = new Thickness(
             Math.Clamp(16 * scale, 8, 24),
             Math.Clamp(14 * scale, 7, 22),

LanMountainDesktop/Views/Components/DateWidget.axaml.cs

@@ -325,7 +325,7 @@ public partial class DateWidget : UserControl, IDesktopComponentWidget, ITimeZon
     {
         var scale = ResolveScale();
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(28 * scale, 16, 40));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(28 * scale, 16, 40);
         RootBorder.Padding = new Thickness(Math.Clamp(11 * scale, 7, 17));
 
         LayoutRoot.ColumnSpacing = Math.Clamp(10 * scale, 6, 16);
@@ -337,7 +337,7 @@ public partial class DateWidget : UserControl, IDesktopComponentWidget, ITimeZon
             Math.Clamp(2.4 * scale, 1, 4));
         CalendarGrid.Margin = new Thickness(0, 0, 0, Math.Clamp(0.8 * scale, 0, 2));
 
-        LunarCardBorder.CornerRadius = new CornerRadius(Math.Clamp(24 * scale, 14, 34));
+        LunarCardBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(24 * scale, 14, 34);
         LunarCardBorder.Padding = new Thickness(Math.Clamp(14 * scale, 8, 20));
         RightPanelGrid.RowSpacing = Math.Clamp(7.5 * scale, 3.5, 11);
         DividerBorder.Margin = new Thickness(0, Math.Clamp(1 * scale, 0, 2), 0, Math.Clamp(1 * scale, 0, 2));

LanMountainDesktop/Views/Components/DesktopComponentRuntimeRegistry.cs

@@ -3,7 +3,9 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using Avalonia.Controls;
+using LanMountainDesktop.Appearance;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Services.Settings;
@@ -30,7 +32,11 @@ public sealed class DesktopComponentRuntimeRegistration
         string? displayNameLocalizationKey,
         Func<Control> controlFactory,
         Func<double, double>? cornerRadiusResolver = null)
-        : this(componentId, displayNameLocalizationKey, _ => controlFactory(), cornerRadiusResolver)
+        : this(
+            componentId,
+            displayNameLocalizationKey,
+            _ => controlFactory(),
+            cornerRadiusResolver is null ? null : chromeContext => cornerRadiusResolver(chromeContext.CellSize))
     {
     }
 
@@ -39,6 +45,19 @@ public sealed class DesktopComponentRuntimeRegistration
         string? displayNameLocalizationKey,
         Func<DesktopComponentControlFactoryContext, Control> controlFactory,
         Func<double, double>? cornerRadiusResolver = null)
+        : this(
+            componentId,
+            displayNameLocalizationKey,
+            controlFactory,
+            cornerRadiusResolver is null ? null : chromeContext => cornerRadiusResolver(chromeContext.CellSize))
+    {
+    }
+
+    public DesktopComponentRuntimeRegistration(
+        string componentId,
+        string? displayNameLocalizationKey,
+        Func<DesktopComponentControlFactoryContext, Control> controlFactory,
+        Func<ComponentChromeContext, double>? cornerRadiusResolver = null)
     {
         ArgumentException.ThrowIfNullOrWhiteSpace(componentId);
         ArgumentNullException.ThrowIfNull(controlFactory);
@@ -57,22 +76,27 @@ public sealed class DesktopComponentRuntimeRegistration
 
     public Func<DesktopComponentControlFactoryContext, Control> ControlFactory { get; }
 
-    public Func<double, double>? CornerRadiusResolver { get; }
+    public Func<ComponentChromeContext, double>? CornerRadiusResolver { get; }
 }
 
 public sealed class DesktopComponentRuntimeDescriptor
 {
-    private static readonly Func<double, double> DefaultCornerRadiusResolver =
+    private static readonly Func<ComponentChromeContext, double> DefaultCornerRadiusResolver =
-        cellSize => Math.Clamp(cellSize * 0.22, 8, 18);
+        chromeContext =>
+        {
+            var scale = Math.Max(0.1d, chromeContext.GlobalCornerRadiusScale);
+            var baseRadius = Math.Clamp(chromeContext.CellSize * 0.22, 8, 18);
+            return Math.Clamp(baseRadius * scale, 8 * scale, 18 * scale);
+        };
 
     private readonly Func<DesktopComponentControlFactoryContext, Control> _controlFactory;
-    private readonly Func<double, double> _cornerRadiusResolver;
+    private readonly Func<ComponentChromeContext, double> _cornerRadiusResolver;
 
     internal DesktopComponentRuntimeDescriptor(
         DesktopComponentDefinition definition,
         string? displayNameLocalizationKey,
         Func<DesktopComponentControlFactoryContext, Control> controlFactory,
-        Func<double, double>? cornerRadiusResolver)
+        Func<ComponentChromeContext, double>? cornerRadiusResolver)
     {
         Definition = definition;
         DisplayNameLocalizationKey = displayNameLocalizationKey;
@@ -97,9 +121,16 @@ public sealed class DesktopComponentRuntimeDescriptor
 
         var settingsService = settingsFacade.Settings;
         var appearanceTheme = HostAppearanceThemeProvider.GetOrCreate();
+        var appearanceSnapshot = appearanceTheme.GetCurrent();
         var componentAccessor = settingsService.GetComponentAccessor(Definition.Id, placementId);
         var componentSettingsStore = new ComponentSettingsService(settingsService);
         componentSettingsStore.SetScopedComponentContext(Definition.Id, placementId);
+        var chromeContext = new ComponentChromeContext(
+            Definition.Id,
+            placementId,
+            cellSize,
+            appearanceSnapshot.GlobalCornerRadiusScale,
+            appearanceSnapshot.CornerRadiusTokens);
         var control = _controlFactory(new DesktopComponentControlFactoryContext(
             Definition,
             cellSize,
@@ -118,6 +149,7 @@ public sealed class DesktopComponentRuntimeDescriptor
             settingsFacade,
             settingsService,
             appearanceTheme,
+            chromeContext,
             componentAccessor,
             componentSettingsStore);
 
@@ -145,6 +177,11 @@ public sealed class DesktopComponentRuntimeDescriptor
             placementAwareComponent.SetComponentPlacementContext(Definition.Id, placementId);
         }
 
+        if (control is IComponentChromeContextAware chromeContextAwareComponent)
+        {
+            chromeContextAwareComponent.SetComponentChromeContext(chromeContext);
+        }
+
         if (control is IDesktopComponentWidget sizedComponent)
         {
             sizedComponent.ApplyCellSize(cellSize);
@@ -173,9 +210,22 @@ public sealed class DesktopComponentRuntimeDescriptor
         return control;
     }
 
+    public double ResolveCornerRadius(ComponentChromeContext chromeContext)
+    {
+        ArgumentNullException.ThrowIfNull(chromeContext);
+
+        var resolved = _cornerRadiusResolver(chromeContext with { CellSize = Math.Max(1, chromeContext.CellSize) });
+        return double.IsFinite(resolved) ? Math.Max(0d, resolved) : DefaultCornerRadiusResolver(chromeContext);
+    }
+
     public double ResolveCornerRadius(double cellSize)
     {
-        return _cornerRadiusResolver(Math.Max(1, cellSize));
+        return ResolveCornerRadius(new ComponentChromeContext(
+            Definition.Id,
+            null,
+            Math.Max(1, cellSize),
+            1d,
+            AppearanceCornerRadiusTokenFactory.Create(1d)));
     }
 
     private static void ApplySettingsDependencies(

LanMountainDesktop/Views/Components/ExchangeRateCalculatorWidget.axaml.cs

@@ -80,8 +80,8 @@ public partial class ExchangeRateCalculatorWidget : UserControl, IDesktopCompone
     {
         _currentCellSize = Math.Max(1, cellSize);
         var scale = ResolveScale();
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 14, 48));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * scale, 14, 48);
-        RootBorder.Padding = new Thickness(Math.Clamp(12 * scale, 6, 18));
+        RootBorder.Padding = new Thickness(ComponentChromeCornerRadiusHelper.SafeValue(12 * scale, 6, 18));
     }
 
     public void SetRecommendationInfoService(IRecommendationInfoService recommendationInfoService)

LanMountainDesktop/Views/Components/ExtendedWeatherWidget.axaml.cs

@@ -10,6 +10,7 @@ using Avalonia.Controls;
 using Avalonia.Media;
 using Avalonia.Threading;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
@@ -18,7 +19,7 @@ using LanMountainDesktop.Theme;
 
 namespace LanMountainDesktop.Views.Components;
 
-public partial class ExtendedWeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware
+public partial class ExtendedWeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware, IComponentChromeContextAware
 {
     private static readonly IWeatherInfoService DefaultWeatherInfoService = new XiaomiWeatherService();
     private static readonly IReadOnlyList<int> SupportedAutoRefreshIntervalsMinutes = RefreshIntervalCatalog.SupportedIntervalsMinutes;
@@ -34,6 +35,7 @@ public partial class ExtendedWeatherWidget : UserControl, IDesktopComponentWidge
     private TimeZoneService? _timeZoneService;
     private CancellationTokenSource? _refreshCts;
     private double _currentCellSize = 48;
+    private ComponentChromeContext? _chromeContext;
     private double _phase;
     private bool _isAttached;
     private bool _isOnActivePage = true;
@@ -122,21 +124,34 @@ public partial class ExtendedWeatherWidget : UserControl, IDesktopComponentWidge
         var metrics = HyperOS3WeatherTheme.ResolveMetrics(HyperOS3WeatherWidgetKind.Extended4x4);
         var width = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * 4;
         var height = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * 4;
-        var radius = Math.Clamp(_currentCellSize * metrics.CornerRadiusScale, 28, 54);
+        var radius = ComponentChromeCornerRadiusHelper.Scale(
-        RootBorder.CornerRadius = new CornerRadius(radius);
+            _currentCellSize * metrics.CornerRadiusScale,
-        BackgroundImageLayer.CornerRadius = new CornerRadius(radius);
+            28,
-        BackgroundMotionLayer.CornerRadius = new CornerRadius(radius);
+            54,
-        BackgroundTintLayer.CornerRadius = new CornerRadius(radius);
+            _chromeContext);
-        BackgroundLightLayer.CornerRadius = new CornerRadius(radius);
+        ComponentChromeCornerRadiusHelper.Apply(
-        BackgroundShadeLayer.CornerRadius = new CornerRadius(radius);
+            radius,
+            RootBorder,
+            BackgroundImageLayer,
+            BackgroundMotionLayer,
+            BackgroundTintLayer,
+            BackgroundLightLayer,
+            BackgroundShadeLayer);
         var horizontalPadding = Math.Clamp(Math.Min(width * metrics.HorizontalPaddingScale * 0.30, width * 0.11), 4, 34);
         var verticalPadding = Math.Clamp(Math.Min(height * metrics.VerticalPaddingScale * 0.30, height * 0.11), 4, 34);
         ContentPaddingBorder.Padding = new Thickness(
-            horizontalPadding,
+            ComponentChromeCornerRadiusHelper.SafeValue(horizontalPadding, 4, 34, _chromeContext),
-            verticalPadding);
+            ComponentChromeCornerRadiusHelper.SafeValue(verticalPadding, 4, 34, _chromeContext));
         ApplyTypography(width, height);
     }
 
+    public void SetComponentChromeContext(ComponentChromeContext context)
+    {
+        ArgumentNullException.ThrowIfNull(context);
+        _chromeContext = context;
+        ApplyCellSize(_currentCellSize);
+    }
+
     public void SetTimeZoneService(TimeZoneService timeZoneService)
     {
         if (_timeZoneService is not null)

LanMountainDesktop/Views/Components/HolidayCalendarWidget.axaml.cs

@@ -216,8 +216,8 @@ public partial class HolidayCalendarWidget : UserControl, IDesktopComponentWidge
         var titleNeedsTwoLines = isUltraCompact || titleUnits >= (isCompact ? 13 : 17);
         var dateNeedsTwoLines = isUltraCompact || dateUnits >= (isCompact ? 15 : 20);
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(shortSide * 0.13, 10, 46));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(shortSide * 0.13, 10, 46);
-        var padding = Math.Clamp(shortSide * 0.05, 4.5, 21);
+        var padding = ComponentChromeCornerRadiusHelper.SafeValue(shortSide * 0.05, 4.5, 21);
         RootBorder.Padding = new Thickness(padding);
         LayoutRoot.RowSpacing = Math.Clamp(shortSide * 0.028, 2.2, 12);
         var rowWeights = ApplyAdaptiveRowHeights(isCompact, isUltraCompact, titleNeedsTwoLines, dateNeedsTwoLines);

LanMountainDesktop/Views/Components/HourlyWeatherWidget.axaml.cs

@@ -12,13 +12,14 @@ using Avalonia.Media.Imaging;
 using Avalonia.Platform;
 using Avalonia.Threading;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Theme;
 
 namespace LanMountainDesktop.Views.Components;
 
-public partial class HourlyWeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware
+public partial class HourlyWeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware, IComponentChromeContextAware
 {
     private enum WeatherVisualKind
     {
@@ -117,6 +118,7 @@ public partial class HourlyWeatherWidget : UserControl, IDesktopComponentWidget,
     private WeatherSnapshot? _latestSnapshot;
     private string _languageCode = "zh-CN";
     private double _currentCellSize = 48;
+    private ComponentChromeContext? _chromeContext;
     private WeatherVisualKind _activeVisualKind = WeatherVisualKind.ClearDay;
     private double _animationPhase;
     private int _activeParticleCount;
@@ -254,6 +256,13 @@ public partial class HourlyWeatherWidget : UserControl, IDesktopComponentWidget,
         }
     }
 
+    public void SetComponentChromeContext(ComponentChromeContext context)
+    {
+        ArgumentNullException.ThrowIfNull(context);
+        _chromeContext = context;
+        ApplyCellSize(_currentCellSize);
+    }
+
     public void ApplyCellSize(double cellSize)
     {
         _currentCellSize = Math.Max(1, cellSize);
@@ -261,17 +270,23 @@ public partial class HourlyWeatherWidget : UserControl, IDesktopComponentWidget,
         var scale = ResolveScale();
         var hostWidth = Bounds.Width > 1 ? Bounds.Width : Math.Max(140, _currentCellSize * 4);
         var hostHeight = Bounds.Height > 1 ? Bounds.Height : Math.Max(78, _currentCellSize * 2);
-        var cornerRadius = Math.Clamp(_currentCellSize * metrics.CornerRadiusScale, 24, 46);
+        var cornerRadius = ComponentChromeCornerRadiusHelper.Scale(
+            _currentCellSize * metrics.CornerRadiusScale,
+            24,
+            46,
+            _chromeContext);
 
-        RootBorder.CornerRadius = new CornerRadius(cornerRadius);
+        ComponentChromeCornerRadiusHelper.Apply(
-        BackgroundImageLayer.CornerRadius = new CornerRadius(cornerRadius);
+            cornerRadius,
-        BackgroundMotionLayer.CornerRadius = new CornerRadius(cornerRadius);
+            RootBorder,
-        BackgroundTintLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundImageLayer,
-        BackgroundLightLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundMotionLayer,
-        BackgroundShadeLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundTintLayer,
+            BackgroundLightLayer,
+            BackgroundShadeLayer);
         ContentPaddingBorder.Padding = new Thickness(
-            Math.Clamp(Math.Min((_currentCellSize * metrics.HorizontalPaddingScale) * scale, hostWidth * 0.034), 4, 22),
+            ComponentChromeCornerRadiusHelper.SafeValue(Math.Min((_currentCellSize * metrics.HorizontalPaddingScale) * scale, hostWidth * 0.034), 4, 22, _chromeContext),
-            Math.Clamp(Math.Min((_currentCellSize * metrics.VerticalPaddingScale) * scale, hostHeight * 0.068), 3, 18));
+            ComponentChromeCornerRadiusHelper.SafeValue(Math.Min((_currentCellSize * metrics.VerticalPaddingScale) * scale, hostHeight * 0.068), 3, 18, _chromeContext));
         ApplyAdaptiveTypography();
         ResetParticles();
     }

LanMountainDesktop/Views/Components/IfengNewsWidget.axaml.cs

@@ -400,8 +400,8 @@ public partial class IfengNewsWidget : UserControl, IDesktopComponentWidget, IRe
         var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
         var totalHeight = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * BaseHeightCells;
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(32 * softScale, 16, 46));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(32 * softScale, 16, 46);
-        CardBorder.CornerRadius = new CornerRadius(Math.Clamp(32 * softScale, 16, 46));
+        CardBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(32 * softScale, 16, 46);
 
         var horizontalPadding = Math.Clamp(14 * softScale, 8, 20);
         var verticalPadding = Math.Clamp(14 * softScale, 8, 20);
@@ -452,7 +452,7 @@ public partial class IfengNewsWidget : UserControl, IDesktopComponentWidget, IRe
 
             visual.ImageHost.Width = imageWidth;
             visual.ImageHost.Height = imageHeight;
-            visual.ImageHost.CornerRadius = new CornerRadius(Math.Clamp(imageHeight * 0.15, 8, 16));
+            visual.ImageHost.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(imageHeight * 0.15, 8, 16);
 
             visual.TitleTextBlock.MaxWidth = textWidth;
             visual.TitleTextBlock.FontSize = titleFont;

LanMountainDesktop/Views/Components/LunarCalendarWidget.axaml.cs

@@ -182,8 +182,8 @@ public partial class LunarCalendarWidget : UserControl, IDesktopComponentWidget,
     {
         var scale = ResolveScale();
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(30 * scale, 16, 44));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(30 * scale, 16, 44);
-        RootBorder.Padding = new Thickness(Math.Clamp(16 * scale, 8, 24));
+        RootBorder.Padding = new Thickness(ComponentChromeCornerRadiusHelper.SafeValue(16 * scale, 8, 24));
         LayoutRoot.RowSpacing = Math.Clamp(10 * scale, 5, 18);
         DividerBorder.Margin = new Thickness(
             Math.Clamp(8 * scale, 3, 14),

LanMountainDesktop/Views/Components/MonthCalendarWidget.axaml.cs

@@ -217,8 +217,8 @@ public partial class MonthCalendarWidget : UserControl, IDesktopComponentWidget,
     {
         var scale = ResolveScale();
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(28 * scale, 14, 40));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(28 * scale, 14, 40);
-        RootBorder.Padding = new Thickness(Math.Clamp(14 * scale, 8, 22));
+        RootBorder.Padding = new Thickness(ComponentChromeCornerRadiusHelper.SafeValue(14 * scale, 8, 22));
         LayoutRoot.RowSpacing = Math.Clamp(10 * scale, 5, 16);
         LayoutRoot.Width = Math.Clamp(280 * scale, 220, 420);
         LayoutRoot.Height = Math.Clamp(280 * scale, 220, 420);

LanMountainDesktop/Views/Components/MultiDayWeatherWidget.axaml.cs

@@ -10,13 +10,14 @@ using Avalonia.Controls;
 using Avalonia.Media;
 using Avalonia.Threading;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Theme;
 
 namespace LanMountainDesktop.Views.Components;
 
-public partial class MultiDayWeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware
+public partial class MultiDayWeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware, IComponentChromeContextAware
 {
     private enum WeatherVisualKind
     {
@@ -115,6 +116,7 @@ public partial class MultiDayWeatherWidget : UserControl, IDesktopComponentWidge
     private WeatherSnapshot? _latestSnapshot;
     private string _languageCode = "zh-CN";
     private double _currentCellSize = 48;
+    private ComponentChromeContext? _chromeContext;
     private WeatherVisualKind _activeVisualKind = WeatherVisualKind.ClearDay;
     private double _animationPhase;
     private int _activeParticleCount;
@@ -252,6 +254,13 @@ public partial class MultiDayWeatherWidget : UserControl, IDesktopComponentWidge
         }
     }
 
+    public void SetComponentChromeContext(ComponentChromeContext context)
+    {
+        ArgumentNullException.ThrowIfNull(context);
+        _chromeContext = context;
+        ApplyCellSize(_currentCellSize);
+    }
+
     public void ApplyCellSize(double cellSize)
     {
         _currentCellSize = Math.Max(1, cellSize);
@@ -259,17 +268,23 @@ public partial class MultiDayWeatherWidget : UserControl, IDesktopComponentWidge
         var scale = ResolveScale();
         var hostWidth = Bounds.Width > 1 ? Bounds.Width : Math.Max(140, _currentCellSize * 4);
         var hostHeight = Bounds.Height > 1 ? Bounds.Height : Math.Max(78, _currentCellSize * 2);
-        var cornerRadius = Math.Clamp(_currentCellSize * metrics.CornerRadiusScale, 24, 46);
+        var cornerRadius = ComponentChromeCornerRadiusHelper.Scale(
+            _currentCellSize * metrics.CornerRadiusScale,
+            24,
+            46,
+            _chromeContext);
 
-        RootBorder.CornerRadius = new CornerRadius(cornerRadius);
+        ComponentChromeCornerRadiusHelper.Apply(
-        BackgroundImageLayer.CornerRadius = new CornerRadius(cornerRadius);
+            cornerRadius,
-        BackgroundMotionLayer.CornerRadius = new CornerRadius(cornerRadius);
+            RootBorder,
-        BackgroundTintLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundImageLayer,
-        BackgroundLightLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundMotionLayer,
-        BackgroundShadeLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundTintLayer,
+            BackgroundLightLayer,
+            BackgroundShadeLayer);
         ContentPaddingBorder.Padding = new Thickness(
-            Math.Clamp(Math.Min((_currentCellSize * metrics.HorizontalPaddingScale) * scale, hostWidth * 0.034), 4, 22),
+            ComponentChromeCornerRadiusHelper.SafeValue(Math.Min((_currentCellSize * metrics.HorizontalPaddingScale) * scale, hostWidth * 0.034), 4, 22, _chromeContext),
-            Math.Clamp(Math.Min((_currentCellSize * metrics.VerticalPaddingScale) * scale, hostHeight * 0.068), 3, 18));
+            ComponentChromeCornerRadiusHelper.SafeValue(Math.Min((_currentCellSize * metrics.VerticalPaddingScale) * scale, hostHeight * 0.068), 3, 18, _chromeContext));
         ApplyAdaptiveTypography();
         ResetParticles();
     }

LanMountainDesktop/Views/Components/RecordingWidget.axaml.cs

@@ -63,15 +63,15 @@ public partial class RecordingWidget : UserControl, IDesktopComponentWidget, IDe
         var chromeScale = Math.Clamp(rawScale, 0.62, 2.0);
         var contentScale = Math.Clamp(rawScale, 0.74, 1.0);
 
-        var rootRadius = Math.Clamp(34 * chromeScale, 16, 56);
+        var rootRadius = ComponentChromeCornerRadiusHelper.Scale(34 * chromeScale, 16, 56);
-        RootBorder.CornerRadius = new CornerRadius(rootRadius);
+        RootBorder.CornerRadius = rootRadius;
         RootBorder.Padding = new Thickness(0);
-        RecorderCardBorder.CornerRadius = new CornerRadius(rootRadius);
+        RecorderCardBorder.CornerRadius = rootRadius;
         RecorderContentGrid.Margin = new Thickness(
-            Math.Clamp(24 * contentScale, 14, 26),
+            ComponentChromeCornerRadiusHelper.SafeValue(24 * contentScale, 14, 26),
-            Math.Clamp(18 * contentScale, 10, 22),
+            ComponentChromeCornerRadiusHelper.SafeValue(18 * contentScale, 10, 22),
-            Math.Clamp(24 * contentScale, 14, 26),
+            ComponentChromeCornerRadiusHelper.SafeValue(24 * contentScale, 14, 26),
-            Math.Clamp(18 * contentScale, 10, 24));
+            ComponentChromeCornerRadiusHelper.SafeValue(18 * contentScale, 10, 24));
 
         var sideButtonSize = Math.Clamp(54 * contentScale, 34, 58);
         DiscardButtonBorder.Width = sideButtonSize;

LanMountainDesktop/Views/Components/RemovableStorageWidget.axaml.cs

@@ -347,13 +347,12 @@ public partial class RemovableStorageWidget : UserControl, IDesktopComponentWidg
         var scale = ResolveScale();
         var width = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * 2;
 
-        var cornerRadius = Math.Clamp(_currentCellSize * 0.44, 18, 34);
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.44, 18, 34);
-        RootBorder.CornerRadius = new CornerRadius(cornerRadius);
         RootBorder.Padding = new Thickness(
-            Math.Clamp(16 * scale, 10, 24),
+            ComponentChromeCornerRadiusHelper.SafeValue(16 * scale, 10, 24),
-            Math.Clamp(15 * scale, 10, 22),
+            ComponentChromeCornerRadiusHelper.SafeValue(15 * scale, 10, 22),
-            Math.Clamp(16 * scale, 10, 24),
+            ComponentChromeCornerRadiusHelper.SafeValue(16 * scale, 10, 24),
-            Math.Clamp(15 * scale, 10, 22));
+            ComponentChromeCornerRadiusHelper.SafeValue(15 * scale, 10, 22));
 
         LayoutGrid.RowSpacing = Math.Clamp(10 * scale, 8, 16);
         HeaderGrid.ColumnSpacing = Math.Clamp(12 * scale, 8, 16);

LanMountainDesktop/Views/Components/Stcn24ForumWidget.axaml.cs

@@ -602,8 +602,8 @@ public partial class Stcn24ForumWidget : UserControl, IDesktopComponentWidget, I
         var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
         var totalHeight = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * BaseHeightCells;
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(30 * softScale, 14, 44));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(30 * softScale, 14, 44);
-        CardBorder.CornerRadius = new CornerRadius(Math.Clamp(30 * softScale, 14, 44));
+        CardBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(30 * softScale, 14, 44);
         CardBorder.Padding = new Thickness(
             Math.Clamp(12 * softScale, 8, 18),
             Math.Clamp(12 * softScale, 8, 18),
@@ -628,7 +628,6 @@ public partial class Stcn24ForumWidget : UserControl, IDesktopComponentWidget, I
         var innerWidth = Math.Max(100, totalWidth - CardBorder.Padding.Left - CardBorder.Padding.Right);
         var rowPaddingHorizontal = Math.Clamp(8 * softScale, 5, 14);
         var rowPaddingVertical = Math.Clamp(6 * softScale, 3, 10);
-        var itemCornerRadius = Math.Clamp(10 * softScale, 6, 14);
         var avatarSize = Math.Clamp(30 * softScale, 20, 40);
         var avatarFont = Math.Clamp(13 * softScale, 9, 18);
         var titleFont = Math.Clamp(14 * softScale, 10, 19);
@@ -658,7 +657,7 @@ public partial class Stcn24ForumWidget : UserControl, IDesktopComponentWidget, I
 
         foreach (var visual in _itemVisuals)
         {
-            visual.Host.CornerRadius = new CornerRadius(itemCornerRadius);
+            visual.Host.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(10 * softScale, 6, 14);
             visual.Host.Padding = new Thickness(rowPaddingHorizontal, rowPaddingVertical);
             visual.RowGrid.ColumnSpacing = Math.Clamp(8 * softScale, 4, 12);
 

LanMountainDesktop/Views/Components/StudyDeductionReasonsWidget.axaml.cs

@@ -229,7 +229,7 @@ public partial class StudyDeductionReasonsWidget : UserControl, IDesktopComponen
         _isUltraCompactMode = scale < 0.72 || (Bounds.Width > 1 && Bounds.Width < 300) || (Bounds.Height > 1 && Bounds.Height < 145);
 
         var compactMultiplier = _isUltraCompactMode ? 0.76 : _isCompactMode ? 0.88 : 1.0;
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.46, 12, 34));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.46, 12, 34);
         RootBorder.Padding = new Thickness(
             Math.Clamp(12 * scale * compactMultiplier, 6, 18),
             Math.Clamp(10 * scale * compactMultiplier, 5, 16));

LanMountainDesktop/Views/Components/StudyEnvironmentWidget.axaml.cs

@@ -52,7 +52,7 @@ public partial class StudyEnvironmentWidget : UserControl, IDesktopComponentWidg
         _currentCellSize = Math.Max(1, cellSize);
         var scale = Math.Clamp(_currentCellSize / 48d, 0.82, 2.2);
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.34, 10, 28));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.34, 10, 28);
         RootBorder.Padding = new Thickness(
             Math.Clamp(14 * scale, 8, 20),
             Math.Clamp(10 * scale, 6, 16));

LanMountainDesktop/Views/Components/StudyInterruptDensityWidget.axaml.cs

@@ -255,7 +255,7 @@ public partial class StudyInterruptDensityWidget : UserControl, IDesktopComponen
         _isUltraCompactMode = scale < 0.72 || (Bounds.Width > 1 && Bounds.Width < 295) || (Bounds.Height > 1 && Bounds.Height < 130);
 
         var compactMultiplier = _isUltraCompactMode ? 0.76 : _isCompactMode ? 0.88 : 1.0;
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.46, 12, 34));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.46, 12, 34);
         RootBorder.Padding = new Thickness(
             Math.Clamp(12 * scale * compactMultiplier, 6, 18),
             Math.Clamp(9 * scale * compactMultiplier, 5, 16));

LanMountainDesktop/Views/Components/StudyNoiseCurveWidget.axaml.cs

@@ -105,7 +105,7 @@ public partial class StudyNoiseCurveWidget : UserControl, IDesktopComponentWidge
         _currentCellSize = Math.Max(1, cellSize);
         var scale = Math.Clamp(_currentCellSize / 48d, 0.78, 2.4);
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.44, 14, 42));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.44, 14, 42);
         RootBorder.Padding = new Thickness(
             Math.Clamp(14 * scale, 8, 22),
             Math.Clamp(10 * scale, 6, 16));

LanMountainDesktop/Views/Components/StudyNoiseDistributionWidget.axaml.cs

@@ -323,7 +323,7 @@ public partial class StudyNoiseDistributionWidget : UserControl, IDesktopCompone
         _isUltraCompactMode = scale < 0.74 || (Bounds.Width > 1 && Bounds.Width < 300) || (Bounds.Height > 1 && Bounds.Height < 142);
 
         var compactMultiplier = _isUltraCompactMode ? 0.76 : _isCompactMode ? 0.88 : 1.0;
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.44, 12, 34));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.44, 12, 34);
         RootBorder.Padding = new Thickness(
             Math.Clamp(12 * scale * compactMultiplier, 6, 18),
             Math.Clamp(9 * scale * compactMultiplier, 5, 16));

LanMountainDesktop/Views/Components/StudyScoreOverviewWidget.axaml.cs

@@ -258,7 +258,7 @@ public partial class StudyScoreOverviewWidget : UserControl, IDesktopComponentWi
 
         var compactMultiplier = _isUltraCompactMode ? 0.76 : _isCompactMode ? 0.88 : 1.0;
         var expandedMultiplier = _isExpandedMode ? 1.12 : 1.0;
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.50, 14, 42));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.50, 14, 42);
         RootBorder.Padding = new Thickness(
             Math.Clamp(16 * scale * compactMultiplier * expandedMultiplier, 8, 30),
             Math.Clamp(14 * scale * compactMultiplier * expandedMultiplier, 6, 26));
@@ -305,7 +305,7 @@ public partial class StudyScoreOverviewWidget : UserControl, IDesktopComponentWi
         var cardPadding = new Thickness(
             Math.Clamp(10 * scale * compactMultiplier * expandedMultiplier, 6, 20),
             Math.Clamp(8 * scale * compactMultiplier * expandedMultiplier, 4, 16));
-        var cardCornerRadius = new CornerRadius(Math.Clamp(10 * scale, 6, 18));
+        var cardCornerRadius = ComponentChromeCornerRadiusHelper.Scale(10 * scale, 6, 18);
         AverageCardBorder.Padding = cardPadding;
         MinimumCardBorder.Padding = cardPadding;
         MaximumCardBorder.Padding = cardPadding;

LanMountainDesktop/Views/Components/StudySessionControlWidget.axaml.cs

@@ -268,7 +268,7 @@ public partial class StudySessionControlWidget : UserControl, IDesktopComponentW
         _isUltraCompactMode = scale < 0.74 || (Bounds.Width > 1 && Bounds.Width < 180) || (Bounds.Height > 1 && Bounds.Height < 76);
 
         var compactMultiplier = _isUltraCompactMode ? 0.78 : _isCompactMode ? 0.90 : 1.0;
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.34, 10, 28));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.34, 10, 28);
         RootBorder.Padding = new Thickness(
             Math.Clamp(14 * scale * compactMultiplier, 7, 22),
             Math.Clamp(10 * scale * compactMultiplier, 5, 16));

LanMountainDesktop/Views/Components/StudySessionHistoryWidget.axaml.cs

@@ -237,7 +237,7 @@ public partial class StudySessionHistoryWidget : UserControl, IDesktopComponentW
 
         var rowBorder = new Border
         {
-            CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.20, 8, 14)),
+            CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.20, 8, 14),
             Background = new SolidColorBrush(rowBackground),
             BorderBrush = new SolidColorBrush(rowBorderColor),
             BorderThickness = new Thickness(1),
@@ -588,7 +588,7 @@ public partial class StudySessionHistoryWidget : UserControl, IDesktopComponentW
         _isCompactMode = scale < 0.92 || (Bounds.Width > 1 && Bounds.Width < 320) || (Bounds.Height > 1 && Bounds.Height < 145);
         _isUltraCompactMode = scale < 0.78 || (Bounds.Width > 1 && Bounds.Width < 280) || (Bounds.Height > 1 && Bounds.Height < 120);
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.44, 12, 36));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.44, 12, 36);
         RootBorder.Padding = new Thickness(
             Math.Clamp(12 * scale, 7, 22),
             Math.Clamp(9 * scale, 5, 16));
@@ -606,7 +606,7 @@ public partial class StudySessionHistoryWidget : UserControl, IDesktopComponentW
         DialogOverlayBorder.Padding = new Thickness(
             Math.Clamp(12 * scale, 8, 20),
             Math.Clamp(10 * scale, 8, 18));
-        DialogCardBorder.CornerRadius = new CornerRadius(Math.Clamp(12 * scale, 10, 18));
+        DialogCardBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(12 * scale, 10, 18);
         DialogCardBorder.Padding = new Thickness(
             Math.Clamp(12 * scale, 9, 20),
             Math.Clamp(11 * scale, 8, 18));

LanMountainDesktop/Views/Components/TimerWidget.axaml.cs

@@ -197,9 +197,9 @@ public partial class TimerWidget : UserControl, IDesktopComponentWidget
         _currentCellSize = Math.Max(1, cellSize);
         var scale = ResolveScale();
 
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 12, 48));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(34 * scale, 12, 48);
         RootBorder.Padding = new Thickness(Math.Clamp(14 * scale, 7, 22));
-        TimerPanelBorder.CornerRadius = new CornerRadius(Math.Clamp(32 * scale, 12, 42));
+        TimerPanelBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(32 * scale, 12, 42);
 
         PlayButtonBorder.Width = Math.Clamp(42 * scale, 28, 58);
         PlayButtonBorder.Height = Math.Clamp(42 * scale, 28, 58);

LanMountainDesktop/Views/Components/WeatherClockWidget.axaml.cs

@@ -11,12 +11,13 @@ using Avalonia.Media;
 using Avalonia.Styling;
 using Avalonia.Threading;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.Services;
 
 namespace LanMountainDesktop.Views.Components;
 
-public partial class WeatherClockWidget : UserControl, IDesktopComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware
+public partial class WeatherClockWidget : UserControl, IDesktopComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware, IComponentChromeContextAware
 {
     private sealed record WeatherClockConfig(
         string LanguageCode,
@@ -52,6 +53,7 @@ public partial class WeatherClockWidget : UserControl, IDesktopComponentWidget,
     private TimeZoneService? _timeZoneService;
     private CancellationTokenSource? _refreshCts;
     private double _currentCellSize = 48;
+    private ComponentChromeContext? _chromeContext;
     private bool _isAttached;
     private bool _dialInitialized;
     private bool _handsInitialized;
@@ -128,6 +130,13 @@ public partial class WeatherClockWidget : UserControl, IDesktopComponentWidget,
         RefreshFromSettings();
     }
 
+    public void SetComponentChromeContext(ComponentChromeContext context)
+    {
+        ArgumentNullException.ThrowIfNull(context);
+        _chromeContext = context;
+        ApplyCellSize(_currentCellSize);
+    }
+
     public void ApplyCellSize(double cellSize)
     {
         _currentCellSize = Math.Max(1, cellSize);
@@ -142,12 +151,24 @@ public partial class WeatherClockWidget : UserControl, IDesktopComponentWidget,
         var compactness = Math.Clamp((176 - targetWidth) / 86d, 0, 1);
         var ultraCompact = targetWidth < 126 || targetHeight < 46;
         var compactFactor = Lerp(1, ultraCompact ? 0.64 : 0.72, compactness);
-        var cornerRadius = Math.Clamp(targetHeight * metrics.CornerRadiusScale, 15, 36);
+        var cornerRadius = ComponentChromeCornerRadiusHelper.Scale(
+            targetHeight * metrics.CornerRadiusScale,
+            15,
+            36,
+            _chromeContext);
 
-        var horizontalPadding = Math.Clamp(targetHeight * Lerp(0.18, 0.12, compactness), 5, 30);
+        var horizontalPadding = ComponentChromeCornerRadiusHelper.SafeValue(
-        var verticalPadding = Math.Clamp(targetHeight * Lerp(0.14, 0.10, compactness), 3, 20);
+            targetHeight * Lerp(0.18, 0.12, compactness),
+            5,
+            30,
+            _chromeContext);
+        var verticalPadding = ComponentChromeCornerRadiusHelper.SafeValue(
+            targetHeight * Lerp(0.14, 0.10, compactness),
+            3,
+            20,
+            _chromeContext);
 
-        RootBorder.CornerRadius = new CornerRadius(cornerRadius);
+        RootBorder.CornerRadius = cornerRadius;
         RootBorder.Padding = new Thickness(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);
 
         var columnSpacing = Math.Clamp(targetHeight * Lerp(0.16, 0.08, compactness), 2, 22);

LanMountainDesktop/Views/Components/WeatherWidget.axaml.cs

@@ -12,13 +12,14 @@ using Avalonia.Media.Imaging;
 using Avalonia.Platform;
 using Avalonia.Threading;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Theme;
 
 namespace LanMountainDesktop.Views.Components;
 
-public partial class WeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware
+public partial class WeatherWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, ITimeZoneAwareComponentWidget, IWeatherInfoAwareComponentWidget, IComponentPlacementContextAware, IComponentChromeContextAware
 {
     private enum WeatherVisualKind
     {
@@ -111,6 +112,7 @@ public partial class WeatherWidget : UserControl, IDesktopComponentWidget, IDesk
     private WeatherSnapshot? _latestSnapshot;
     private string _languageCode = "zh-CN";
     private double _currentCellSize = 48;
+    private ComponentChromeContext? _chromeContext;
     private WeatherVisualKind _activeVisualKind = WeatherVisualKind.ClearDay;
     private double _animationPhase;
     private int _activeParticleCount;
@@ -197,6 +199,13 @@ public partial class WeatherWidget : UserControl, IDesktopComponentWidget, IDesk
         }
     }
 
+    public void SetComponentChromeContext(ComponentChromeContext context)
+    {
+        ArgumentNullException.ThrowIfNull(context);
+        _chromeContext = context;
+        ApplyCellSize(_currentCellSize);
+    }
+
     public void ApplyCellSize(double cellSize)
     {
         _currentCellSize = Math.Max(1, cellSize);
@@ -204,19 +213,25 @@ public partial class WeatherWidget : UserControl, IDesktopComponentWidget, IDesk
         var metrics = HyperOS3WeatherTheme.ResolveMetrics(HyperOS3WeatherWidgetKind.Realtime2x2);
         var hostWidth = Bounds.Width > 1 ? Bounds.Width : Math.Max(80, _currentCellSize * 2);
         var hostHeight = Bounds.Height > 1 ? Bounds.Height : Math.Max(80, _currentCellSize * 2);
-        var cornerRadius = Math.Clamp(_currentCellSize * metrics.CornerRadiusScale, 26, 46);
+        var cornerRadius = ComponentChromeCornerRadiusHelper.Scale(
+            _currentCellSize * metrics.CornerRadiusScale,
+            26,
+            46,
+            _chromeContext);
         var horizontalPadding = Math.Clamp(_currentCellSize * metrics.HorizontalPaddingScale, 10, 24);
         var verticalPadding = Math.Clamp(_currentCellSize * metrics.VerticalPaddingScale, 10, 24);
 
-        RootBorder.CornerRadius = new CornerRadius(cornerRadius);
+        ComponentChromeCornerRadiusHelper.Apply(
-        BackgroundImageLayer.CornerRadius = new CornerRadius(cornerRadius);
+            cornerRadius,
-        BackgroundMotionLayer.CornerRadius = new CornerRadius(cornerRadius);
+            RootBorder,
-        BackgroundTintLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundImageLayer,
-        BackgroundLightLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundMotionLayer,
-        BackgroundShadeLayer.CornerRadius = new CornerRadius(cornerRadius);
+            BackgroundTintLayer,
+            BackgroundLightLayer,
+            BackgroundShadeLayer);
         ContentPaddingBorder.Padding = new Thickness(
-            Math.Clamp(Math.Min(horizontalPadding * scale, hostWidth * 0.12), 3, 24),
+            ComponentChromeCornerRadiusHelper.SafeValue(Math.Min(horizontalPadding * scale, hostWidth * 0.12), 3, 24, _chromeContext),
-            Math.Clamp(Math.Min(verticalPadding * scale, hostHeight * 0.12), 3, 24));
+            ComponentChromeCornerRadiusHelper.SafeValue(Math.Min(verticalPadding * scale, hostHeight * 0.12), 3, 24, _chromeContext));
         ApplyAdaptiveTypography();
         ResetParticles();
     }

LanMountainDesktop/Views/Components/WhiteboardWidget.axaml.cs

@@ -117,11 +117,13 @@ public partial class WhiteboardWidget : UserControl, IDesktopComponentWidget, IC
         var toolbarPaddingHorizontal = Math.Clamp(buttonSize * 0.36, 6, 12);
         var toolbarPaddingVertical = Math.Clamp(buttonSize * 0.24, 4, 8);
 
-        RootBorder.Padding = new Thickness(Math.Clamp(_currentCellSize * 0.14, 6, 14));
+        RootBorder.Padding = new Thickness(ComponentChromeCornerRadiusHelper.SafeValue(_currentCellSize * 0.14, 6, 14));
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.34, 12, 28));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.34, 12, 28);
-        CanvasBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.24, 10, 22));
+        CanvasBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.24, 10, 22);
-        ToolbarBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.22, 10, 20));
+        ToolbarBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(_currentCellSize * 0.22, 10, 20);
-        ToolbarBorder.Padding = new Thickness(toolbarPaddingHorizontal, toolbarPaddingVertical);
+        ToolbarBorder.Padding = new Thickness(
+            ComponentChromeCornerRadiusHelper.SafeValue(toolbarPaddingHorizontal, 6, 12),
+            ComponentChromeCornerRadiusHelper.SafeValue(toolbarPaddingVertical, 4, 8));
         ToolbarButtonsPanel.Spacing = toolbarSpacing;
 
         foreach (var button in new[] { PenButton, EraserButton, ClearButton, ExportButton })

LanMountainDesktop/Views/Components/WorldClockWidget.axaml.cs

@@ -170,7 +170,7 @@ public partial class WorldClockWidget : UserControl, IDesktopComponentWidget, IT
         var horizontalPadding = Math.Clamp(10 * scale, 4, 26);
         var verticalPadding = Math.Clamp(8 * scale, 3, 22);
         RootBorder.Padding = new Thickness(horizontalPadding, verticalPadding);
-        RootBorder.CornerRadius = new CornerRadius(Math.Clamp(24 * scale, 10, 46));
+        RootBorder.CornerRadius = ComponentChromeCornerRadiusHelper.Scale(24 * scale, 10, 46);
 
         var usableWidth = Math.Max(48, totalWidth - horizontalPadding * 2);
         var usableHeight = Math.Max(28, totalHeight - verticalPadding * 2);

LanMountainDesktop/Views/MainWindow.ComponentSystem.cs

@@ -13,11 +13,13 @@ using Avalonia.VisualTree;
 using FluentIcons.Avalonia;
 using FluentIcons.Common;
 using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Host.Abstractions;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Services.Settings;
 using LanMountainDesktop.Theme;
 using LanMountainDesktop.Views.Components;
+using PathShape = Avalonia.Controls.Shapes.Path;
 
 namespace LanMountainDesktop.Views;
 
@@ -579,13 +581,18 @@ public partial class MainWindow
     {
         var window = new ComponentLibraryWindow(
             _componentLibraryService,
-            cellSize => new ComponentLibraryCreateContext(
+            cellSize =>
+            {
+                var appearanceSnapshot = HostAppearanceThemeProvider.GetOrCreate().GetCurrent();
+                return new ComponentLibraryCreateContext(
                     cellSize,
+                    appearanceSnapshot.GlobalCornerRadiusScale,
                     _timeZoneService,
                     _weatherDataService,
                     _recommendationInfoService,
                     _calculatorDataService,
-                _settingsFacade),
+                    _settingsFacade);
+            },
             L);
         window.AddComponentRequested += OnDetachedComponentLibraryAddComponentRequested;
         window.Closed += OnDetachedComponentLibraryClosed;
@@ -1258,7 +1265,7 @@ public partial class MainWindow
             Height = handleVisualSize,
             IsHitTestVisible = false
         };
-        resizeHandleVisual.Children.Add(new Path
+        resizeHandleVisual.Children.Add(new PathShape
         {
             Data = arcData,
             Stretch = Stretch.Fill,
@@ -1266,7 +1273,7 @@ public partial class MainWindow
             StrokeThickness = arcThickness + 3,
             StrokeLineCap = PenLineCap.Round
         });
-        resizeHandleVisual.Children.Add(new Path
+        resizeHandleVisual.Children.Add(new PathShape
         {
             Data = arcData,
             Stretch = Stretch.Fill,
@@ -1513,12 +1520,20 @@ public partial class MainWindow
 
     private double GetComponentCornerRadius(string componentId)
     {
+        var appearanceSnapshot = HostAppearanceThemeProvider.GetOrCreate().GetCurrent();
+
         if (_componentRuntimeRegistry.TryGetDescriptor(componentId, out var runtimeDescriptor))
         {
-            return runtimeDescriptor.ResolveCornerRadius(_currentDesktopCellSize);
+            return runtimeDescriptor.ResolveCornerRadius(new ComponentChromeContext(
+                componentId,
+                null,
+                _currentDesktopCellSize,
+                appearanceSnapshot.GlobalCornerRadiusScale,
+                appearanceSnapshot.CornerRadiusTokens));
         }
 
-        return Math.Clamp(_currentDesktopCellSize * 0.22, 8, 18);
+        var scale = Math.Max(0.1d, appearanceSnapshot.GlobalCornerRadiusScale);
+        return Math.Clamp(_currentDesktopCellSize * 0.22, 8, 18) * scale;
     }
 
     private Thickness GetDesktopComponentVisualInset(int widthCells, int heightCells)
@@ -1767,8 +1782,10 @@ public partial class MainWindow
     {
         try
         {
+            var appearanceSnapshot = HostAppearanceThemeProvider.GetOrCreate().GetCurrent();
             var createContext = new ComponentLibraryCreateContext(
                 cellSize,
+                appearanceSnapshot.GlobalCornerRadiusScale,
                 _timeZoneService,
                 _weatherDataService,
                 _recommendationInfoService,

LanMountainDesktop/Views/SettingsPages/AppearanceSettingsPage.axaml

@@ -83,7 +83,7 @@
                                         Background="{Binding NeutralLightPreviewBrush}"
                                         BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                         BorderThickness="1"
-                                        CornerRadius="14" />
+                                        CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                 <TextBlock Text="{Binding PreviewNeutralLightLabel}"
                                            HorizontalAlignment="Center"
                                            TextAlignment="Center" />
@@ -94,7 +94,7 @@
                                         Background="{Binding NeutralDarkPreviewBrush}"
                                         BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                         BorderThickness="1"
-                                        CornerRadius="14" />
+                                        CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                 <TextBlock Text="{Binding PreviewNeutralDarkLabel}"
                                            HorizontalAlignment="Center"
                                            TextAlignment="Center" />
@@ -110,7 +110,7 @@
                                         Background="{Binding PrimarySwatchBrush}"
                                         BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                         BorderThickness="1"
-                                        CornerRadius="14" />
+                                        CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                 <TextBlock Text="{Binding PreviewPrimaryLabel}"
                                            HorizontalAlignment="Center"
                                            TextAlignment="Center" />
@@ -122,7 +122,7 @@
                                         Background="{Binding SecondarySwatchBrush}"
                                         BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                         BorderThickness="1"
-                                        CornerRadius="14" />
+                                        CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                 <TextBlock Text="{Binding PreviewSecondaryLabel}"
                                            HorizontalAlignment="Center"
                                            TextAlignment="Center" />
@@ -134,7 +134,7 @@
                                         Background="{Binding TertiarySwatchBrush}"
                                         BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                         BorderThickness="1"
-                                        CornerRadius="14" />
+                                        CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                 <TextBlock Text="{Binding PreviewTertiaryLabel}"
                                            HorizontalAlignment="Center"
                                            TextAlignment="Center" />
@@ -146,7 +146,7 @@
                                         Background="{Binding NeutralSwatchBrush}"
                                         BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                         BorderThickness="1"
-                                        CornerRadius="14" />
+                                        CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                 <TextBlock Text="{Binding PreviewNeutralLabel}"
                                            HorizontalAlignment="Center"
                                            TextAlignment="Center" />
@@ -177,7 +177,7 @@
                                             Background="{Binding SeedSwatchBrush}"
                                             BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                             BorderThickness="1"
-                                            CornerRadius="14" />
+                                            CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                     <TextBlock Text="{Binding PreviewSeedLabel}"
                                                HorizontalAlignment="Center"
                                                TextAlignment="Center" />
@@ -217,7 +217,7 @@
                                                                         Background="{Binding Brush}"
                                                                         BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                                                         BorderThickness="1"
-                                                                        CornerRadius="12" />
+                                                                        CornerRadius="{DynamicResource DesignCornerRadiusXs}" />
                                                                 <TextBlock Text="{Binding Label}"
                                                                            HorizontalAlignment="Center"
                                                                            TextAlignment="Center"
@@ -240,7 +240,7 @@
                                             Background="{Binding SeedSwatchBrush}"
                                             BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
                                             BorderThickness="1"
-                                            CornerRadius="14" />
+                                            CornerRadius="{DynamicResource DesignCornerRadiusSm}" />
                                     <TextBlock Text="{Binding PreviewSeedLabel}"
                                                HorizontalAlignment="Center"
                                                TextAlignment="Center" />

LanMountainDesktop/Views/SettingsPages/ComponentsSettingsPage.axaml

@@ -8,16 +8,14 @@
              x:DataType="vm:ComponentsSettingsPageViewModel">
     <ScrollViewer VerticalScrollBarVisibility="Auto">
         <StackPanel Classes="settings-page-container">
-
+            <controls:IconText Icon="Apps"
-            <!-- 网格布局设置分组 -->
+                               Text="{Binding ComponentsHeader}"
-            <controls:IconText Icon="GridDots"
-                               Text="{Binding GridHeader}"
                                Margin="0,0,0,4" />
 
-            <ui:SettingsExpander Header="{Binding GridHeader}"
+            <ui:SettingsExpander Header="{Binding ComponentsHeader}"
                                  IsExpanded="True">
                 <ui:SettingsExpander.IconSource>
-                    <fi:SymbolIconSource Symbol="GridDots" />
+                    <fi:SymbolIconSource Symbol="Apps" />
                 </ui:SettingsExpander.IconSource>
                 <ui:SettingsExpanderItem>
                     <Grid ColumnDefinitions="Auto,*,Auto" ColumnSpacing="16">
@@ -71,6 +69,33 @@
                 </ui:SettingsExpanderItem>
             </ui:SettingsExpander>
 
+            <controls:IconText Icon="ShapeOrganic"
+                               Text="{Binding ComponentRadiusHeader}"
+                               Margin="0,12,0,4" />
+
+            <ui:SettingsExpander Header="{Binding GlobalCornerRadiusLabel}"
+                                 Description="{Binding GlobalCornerRadiusDescription}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="ShapeOrganic" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpanderItem>
+                    <Grid ColumnDefinitions="Auto,*,Auto" ColumnSpacing="16">
+                        <TextBlock Text="{Binding GlobalCornerRadiusLabel}"
+                                   VerticalAlignment="Center" />
+                        <Slider Grid.Column="1"
+                                Minimum="0.7"
+                                Maximum="1.4"
+                                IsSnapToTickEnabled="True"
+                                TickFrequency="0.05"
+                                Value="{Binding GlobalCornerRadiusScale}" />
+                        <TextBlock Grid.Column="2"
+                                   Width="48"
+                                   Text="{Binding GlobalCornerRadiusScale, StringFormat={}{0:F2}x}"
+                                   VerticalAlignment="Center"
+                                   HorizontalAlignment="Right" />
+                    </Grid>
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
         </StackPanel>
     </ScrollViewer>
 </UserControl>

LanMountainDesktop/Views/SettingsPages/ComponentsSettingsPage.axaml.cs

@@ -8,7 +8,7 @@ namespace LanMountainDesktop.Views.SettingsPages;
     "components",
     "Components",
     SettingsPageCategory.Components,
-    IconKey = "GridDots",
+    IconKey = "Apps",
     SortOrder = 20,
     TitleLocalizationKey = "settings.components.title",
     DescriptionLocalizationKey = "settings.components.description")]

LanMountainDesktop/plugins/PluginMarketEmbeddedView.cs

@@ -515,7 +515,7 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
             Background = isSelected ? SelectedSurfaceBrush : SurfaceBrush,
             BorderBrush = isSelected ? SelectedBorderBrush : CardBorderBrush,
             BorderThickness = new Thickness(1),
-            CornerRadius = new CornerRadius(18),
+            CornerRadius = ResolveCornerRadiusResource("DesignCornerRadiusMd", 18),
             Padding = new Thickness(14),
             Child = layoutGrid
         };
@@ -597,7 +597,7 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
             detailPanel.Children.Add(new Border
             {
                 Background = new SolidColorBrush(Color.Parse("#24FFC42B1C")),
-                CornerRadius = new CornerRadius(14),
+                CornerRadius = ResolveCornerRadiusResource("DesignCornerRadiusSm", 14),
                 Padding = new Thickness(12),
                 Child = new TextBlock
                 {
@@ -617,7 +617,7 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
             Background = SurfaceBrush,
             BorderBrush = CardBorderBrush,
             BorderThickness = new Thickness(1),
-            CornerRadius = new CornerRadius(16),
+            CornerRadius = ResolveCornerRadiusResource("DesignCornerRadiusMd", 16),
             Padding = new Thickness(16),
             Child = new TextBlock
             {
@@ -1011,7 +1011,7 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
         return new Border
         {
             Background = SurfaceBrush,
-            CornerRadius = new CornerRadius(18),
+            CornerRadius = ResolveCornerRadiusResource("DesignCornerRadiusMd", 18),
             Padding = new Thickness(padding)
         };
     }
@@ -1021,7 +1021,7 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
         return new Border
         {
             Background = SurfaceBrush,
-            CornerRadius = new CornerRadius(16),
+            CornerRadius = ResolveCornerRadiusResource("DesignCornerRadiusMd", 16),
             BorderBrush = CardBorderBrush,
             BorderThickness = new Thickness(1),
             Padding = new Thickness(18),
@@ -1124,7 +1124,7 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
             Background = SurfaceBrush,
             BorderBrush = CardBorderBrush,
             BorderThickness = new Thickness(1),
-            CornerRadius = new CornerRadius(14),
+            CornerRadius = ResolveCornerRadiusResource("DesignCornerRadiusSm", 14),
             Padding = new Thickness(14),
             Child = new StackPanel
             {
@@ -1154,7 +1154,7 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
             Background = SurfaceBrush,
             BorderBrush = CardBorderBrush,
             BorderThickness = new Thickness(1),
-            CornerRadius = new CornerRadius(14),
+            CornerRadius = ResolveCornerRadiusResource("DesignCornerRadiusSm", 14),
             Padding = new Thickness(14),
             Child = new StackPanel
             {
@@ -1257,4 +1257,11 @@ internal sealed class PluginMarketEmbeddedView : UserControl, IDisposable
             _ => "Install"
         };
     }
+
+    private static CornerRadius ResolveCornerRadiusResource(string key, double fallback)
+    {
+        return Application.Current?.TryFindResource(key, out var resource) == true && resource is CornerRadius radius
+            ? radius
+            : new CornerRadius(fallback);
+    }
 }