0.8.0.3

自习功能可关闭

LanMountainDesktop/Localization/en-US.json

@@ -205,6 +205,8 @@
     "settings.weather.footer_hint":  "Desktop weather widgets will reuse the location and alert exclusion settings configured here.",
     "settings.study.title":  "Study",
     "settings.study.description":  "Configure study environment monitoring, focus timer, and alert settings.",
+    "settings.study.master_switch_header":  "Study Feature",
+    "settings.study.master_switch_desc":  "Enable study environment monitoring and focus timer. When disabled, related components will not collect any data.",
     "settings.study.noise_header":  "Noise Monitoring",
     "settings.study.noise_description":  "Configure microphone sampling rate and noise scoring sensitivity.",
     "settings.study.sampling_rate_label":  "Sampling Rate",
@@ -883,6 +885,8 @@
     "recording.widget.hint.saved_format":  "Saved {0}",
     "recording.widget.save_picker_title":  "Save recording file",
     "recording.widget.save_picker_type":  "WAV audio",
+    "study.widget.disabled_title":  "Study Feature Disabled",
+    "study.widget.disabled_hint":  "Please enable in Settings",
     "study.environment.status_label":  "Environment",
     "study.environment.status.initializing":  "Initializing",
     "study.environment.status.ready":  "Ready",

LanMountainDesktop/Localization/zh-CN.json

@@ -208,6 +208,8 @@
     "settings.weather.location_saved_format":  "天气位置已保存：{0}",
     "settings.study.title":  "自习",
     "settings.study.description":  "配置自习环境监测、专注计时和提醒设置。",
+    "settings.study.master_switch_header":  "自习功能",
+    "settings.study.master_switch_desc":  "启用自习环境监测和专注计时功能。关闭后，相关组件将不会采集任何数据。",
     "settings.study.noise_header":  "噪音监测",
     "settings.study.noise_description":  "配置麦克风采集频率和噪音评分敏感度。",
     "settings.study.sampling_rate_label":  "采集频率",
@@ -876,6 +878,8 @@
     "recording.widget.hint.saved_format":  "已保存 {0}",
     "recording.widget.save_picker_title":  "保存录音文件",
     "recording.widget.save_picker_type":  "WAV 音频",
+    "study.widget.disabled_title":  "自习功能未启用",
+    "study.widget.disabled_hint":  "请在设置中开启",
     "study.environment.status_label":  "环境状态",
     "study.environment.status.initializing":  "初始化中",
     "study.environment.status.ready":  "待机",

LanMountainDesktop/Models/AppSettingsSnapshot.cs

@@ -120,6 +120,8 @@ public sealed class AppSettingsSnapshot
 
     #region Study Settings
 
+    public bool StudyEnabled { get; set; } = true;
+
     public int? StudyFrameMs { get; set; }
 
     public double? StudyScoreThresholdDbfs { get; set; }

LanMountainDesktop/ViewModels/SettingsViewModels.cs

@@ -2342,6 +2342,27 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         _isInitializing = false;
     }
 
+    #region Properties - Master Switch
+
+    [ObservableProperty]
+    private string _masterSwitchHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _masterSwitchDescription = string.Empty;
+
+    [ObservableProperty]
+    private bool _studyEnabled = true;
+
+    partial void OnStudyEnabledChanged(bool value)
+    {
+        if (!_isInitializing)
+        {
+            SaveMasterSwitch();
+        }
+    }
+
+    #endregion
+
     #region Properties - Noise Monitoring
 
     [ObservableProperty]
@@ -2686,6 +2707,9 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
     {
         var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
 
+        // Master switch
+        StudyEnabled = appSnapshot.StudyEnabled;
+
         // Noise settings
         SamplingRateMs = appSnapshot.StudyFrameMs is > 0 ? appSnapshot.StudyFrameMs.Value : 50;
         NoiseSensitivityDbfs = appSnapshot.StudyScoreThresholdDbfs ?? -50;
@@ -2718,6 +2742,14 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateAvgWindowSecText();
     }
 
+    private void SaveMasterSwitch()
+    {
+        var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
+        appSnapshot.StudyEnabled = StudyEnabled;
+        _settingsFacade.Settings.SaveSnapshot(SettingsScope.App, appSnapshot,
+            changedKeys: [nameof(AppSettingsSnapshot.StudyEnabled)]);
+    }
+
     private void SaveNoiseSettings()
     {
         var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
@@ -2796,6 +2828,9 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
 
     private void RefreshLocalizedText()
     {
+        MasterSwitchHeader = L("settings.study.master_switch_header", "自习功能");
+        MasterSwitchDescription = L("settings.study.master_switch_desc", "启用自习环境监测和专注计时功能。关闭后，相关组件将不会采集任何数据。");
+
         NoiseMonitoringHeader = L("settings.study.noise_header", "噪音监测");
         NoiseMonitoringDescription = L("settings.study.noise_description", "配置麦克风采集频率和噪音评分敏感度。");
         SamplingRateLabel = L("settings.study.sampling_rate_label", "采集频率");

LanMountainDesktop/Views/Components/AnalogClockWidget.axaml

@@ -8,7 +8,7 @@
              x:Class="LanMountainDesktop.Views.Components.AnalogClockWidget">
 
     <Border x:Name="RootBorder"
-            CornerRadius="42"
+            CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
             ClipToBounds="True"
             Padding="14">
         <Border.Background>

LanMountainDesktop/Views/Components/BrowserWidget.axaml

@@ -19,7 +19,7 @@
               RowSpacing="8">
             <Border x:Name="WebViewHostBorder"
                     Grid.Row="0"
-                    CornerRadius="16"
+                    CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                     ClipToBounds="True"
                     Background="#FFFFFFFF"
                     BorderBrush="#22000000"
@@ -52,7 +52,7 @@
 
             <Border x:Name="AddressBarBorder"
                     Grid.Row="1"
-                    CornerRadius="14"
+                    CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                     Background="#ECF2FA"
                     BorderBrush="#22000000"
                     BorderThickness="1"

LanMountainDesktop/Views/Components/CnrDailyNewsWidget.axaml

@@ -94,7 +94,7 @@
                                 Grid.Column="1"
                                 Width="160"
                                 Height="90"
-                                CornerRadius="16"
+                                CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                                 ClipToBounds="True"
                                 Background="#E6E6E6">
                             <Image x:Name="News1Image"
@@ -122,7 +122,7 @@
                                 Grid.Column="1"
                                 Width="160"
                                 Height="90"
-                                CornerRadius="16"
+                                CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                                 ClipToBounds="True"
                                 Background="#E6E6E6">
                             <Image x:Name="News2Image"

LanMountainDesktop/Views/Components/DailyArtworkWidget.axaml

@@ -88,7 +88,7 @@
                                 Grid.Row="2"
                                 Width="118"
                                 Height="3"
-                                CornerRadius="2"
+                                CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                 HorizontalAlignment="Left"
                                 Margin="0,0,0,10"
                                 Background="#F0F0F0" />

LanMountainDesktop/Views/Components/DailyNewsView.axaml

@@ -16,7 +16,7 @@
     
     <StackPanel x:Name="RootStackPanel" Spacing="16">
         <Border x:Name="CoverImageBorder"
-                CornerRadius="12"
+                CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                 ClipToBounds="True"
                 Background="#f8f5ec"
                 PointerPressed="OnCoverImagePointerPressed"
@@ -75,7 +75,7 @@
         
         <Border x:Name="OverviewBorder"
                 Background="#f8f5ec"
-                CornerRadius="8"
+                CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                 Padding="12"
                 Margin="0,0,0,8">
             <StackPanel x:Name="OverviewStackPanel" Spacing="12"/>
@@ -85,7 +85,7 @@
                 Content="展开更多新闻 ▼"
                 FontSize="14"
                 Padding="16,8"
-                CornerRadius="8"
+                CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                 Background="Transparent"
                 BorderBrush="#bb5649"
                 BorderThickness="1"

LanMountainDesktop/Views/Components/DailyPoetryWidget.axaml

@@ -75,7 +75,7 @@
                         Height="26"
                         VerticalAlignment="Center"
                         Margin="0,0,8,0"
-                        CornerRadius="3"
+                        CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                         Background="#6BF2A497" />
 
                 <TextBlock x:Name="AuthorTextBlock"

LanMountainDesktop/Views/Components/DateWidget.axaml

@@ -87,7 +87,7 @@
                         Grid.Column="1"
                         Background="{DynamicResource AdaptiveLayer2Brush}"
                         BorderThickness="1"
-                        CornerRadius="24"
+                        CornerRadius="{DynamicResource DesignCornerRadiusLg}"
                         BoxShadow="0 8 18 #1A000000"
                         Padding="14">
                     <Grid x:Name="RightPanelGrid"

LanMountainDesktop/Views/Components/ExchangeRateCalculatorWidget.axaml

@@ -9,7 +9,7 @@
 
     <UserControl.Styles>
         <Style Selector="Button">
-            <Setter Property="CornerRadius" Value="16" />
+            <Setter Property="CornerRadius" Value="{DynamicResource DesignCornerRadiusSm}" />
             <Setter Property="Background" Value="#F8F9FB" />
             <Setter Property="BorderBrush" Value="#00000000" />
             <Setter Property="BorderThickness" Value="0" />
@@ -40,7 +40,7 @@
                     <Border x:Name="FromCurrencyRowBorder"
                             Grid.Row="0"
                             Grid.Column="0"
-                            CornerRadius="16"
+                            CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                             Background="#F8F9FB"
                             Padding="12,8"
                             PointerPressed="OnFromCurrencyRowPointerPressed">
@@ -81,7 +81,7 @@
                     <Border x:Name="ToCurrencyRowBorder"
                             Grid.Row="1"
                             Grid.Column="0"
-                            CornerRadius="16"
+                            CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                             Background="#F8F9FB"
                             Padding="12,8"
                             PointerPressed="OnToCurrencyRowPointerPressed">
@@ -123,7 +123,7 @@
                             Grid.Row="0"
                             Grid.RowSpan="2"
                             Grid.Column="1"
-                            CornerRadius="16"
+                            CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                             Background="#F8F9FB"
                             BorderBrush="#00000000"
                             BorderThickness="0"

LanMountainDesktop/Views/Components/ExtendedWeatherWidget.axaml

@@ -31,12 +31,12 @@
             </Border>
 
             <Border x:Name="BackgroundTintLayer"
-                    CornerRadius="28"
+                    CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                     ClipToBounds="True"
                     Opacity="0.12" />
 
             <Border x:Name="BackgroundLightLayer"
-                    CornerRadius="28"
+                    CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                     ClipToBounds="True"
                     Opacity="0.54">
                 <Border.Background>
@@ -53,7 +53,7 @@
             </Border>
 
             <Border x:Name="BackgroundShadeLayer"
-                    CornerRadius="28"
+                    CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                     ClipToBounds="True"
                     Opacity="0.70">
                 <Border.Background>

LanMountainDesktop/Views/Components/HourlyWeatherWidget.axaml

@@ -28,9 +28,9 @@
                 </Border.RenderTransform>
             </Border>
 
-            <Border x:Name="BackgroundTintLayer" CornerRadius="28" ClipToBounds="True" Opacity="0.12" />
+            <Border x:Name="BackgroundTintLayer" CornerRadius="{DynamicResource DesignCornerRadiusComponent}" ClipToBounds="True" Opacity="0.12" />
 
-            <Border x:Name="BackgroundLightLayer" CornerRadius="28" ClipToBounds="True" Opacity="0.52">
+            <Border x:Name="BackgroundLightLayer" CornerRadius="{DynamicResource DesignCornerRadiusComponent}" ClipToBounds="True" Opacity="0.52">
                 <Border.Background>
                     <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                         <GradientStop Color="#45FFFFFF" Offset="0" />
@@ -40,7 +40,7 @@
                 </Border.Background>
             </Border>
 
-            <Border x:Name="BackgroundShadeLayer" CornerRadius="28" ClipToBounds="True" Opacity="0.68">
+            <Border x:Name="BackgroundShadeLayer" CornerRadius="{DynamicResource DesignCornerRadiusComponent}" ClipToBounds="True" Opacity="0.68">
                 <Border.Background>
                     <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
                         <GradientStop Color="#00000000" Offset="0.42" />

LanMountainDesktop/Views/Components/IfengNewsWidget.axaml

@@ -40,7 +40,7 @@
                                        VerticalAlignment="Center" />
                             <Border x:Name="NewsBadge"
                                     Background="#E24B2D"
-                                    CornerRadius="4"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                     Padding="6,2"
                                     Margin="4,0,0,0"
                                     VerticalAlignment="Center">

LanMountainDesktop/Views/Components/JuyaNewsWidget.axaml

@@ -52,7 +52,7 @@
                         <Button x:Name="RefreshButton"
                                 Grid.Column="1"
                                 Padding="8,4"
-                                CornerRadius="8"
+                                CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                                 Background="Transparent"
                                 BorderBrush="#bb5649"
                                 BorderThickness="1"

LanMountainDesktop/Views/Components/MultiDayWeatherWidget.axaml

@@ -28,9 +28,9 @@
                 </Border.RenderTransform>
             </Border>
 
-            <Border x:Name="BackgroundTintLayer" CornerRadius="28" ClipToBounds="True" Opacity="0.12" />
+            <Border x:Name="BackgroundTintLayer" CornerRadius="{DynamicResource DesignCornerRadiusComponent}" ClipToBounds="True" Opacity="0.12" />
 
-            <Border x:Name="BackgroundLightLayer" CornerRadius="28" ClipToBounds="True" Opacity="0.52">
+            <Border x:Name="BackgroundLightLayer" CornerRadius="{DynamicResource DesignCornerRadiusComponent}" ClipToBounds="True" Opacity="0.52">
                 <Border.Background>
                     <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                         <GradientStop Color="#45FFFFFF" Offset="0" />
@@ -40,7 +40,7 @@
                 </Border.Background>
             </Border>
 
-            <Border x:Name="BackgroundShadeLayer" CornerRadius="28" ClipToBounds="True" Opacity="0.68">
+            <Border x:Name="BackgroundShadeLayer" CornerRadius="{DynamicResource DesignCornerRadiusComponent}" ClipToBounds="True" Opacity="0.68">
                 <Border.Background>
                     <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
                         <GradientStop Color="#00000000" Offset="0.42" />

LanMountainDesktop/Views/Components/MusicControlWidget.axaml

@@ -91,10 +91,10 @@
                     </Image>
                 </Border>
                 <Border x:Name="DynamicGradientOverlay"
-                        CornerRadius="30"
+                        CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                         ClipToBounds="True" />
                 <Border x:Name="DynamicSoftLightOverlay"
-                        CornerRadius="30"
+                        CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                         ClipToBounds="True" />
             </Grid>
 
@@ -111,7 +111,7 @@
                         <Border x:Name="CoverBorder"
                                 Width="56"
                                 Height="56"
-                                CornerRadius="12"
+                                CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                                 ClipToBounds="True"
                                 BorderThickness="1"
                                 BorderBrush="#77FFFFFF"

LanMountainDesktop/Views/Components/RecordingWidget.axaml

@@ -23,7 +23,7 @@
                         Height="300"
                         HorizontalAlignment="Center"
                         VerticalAlignment="Center"
-                        CornerRadius="34"
+                        CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                         BorderBrush="#00000000"
                         BorderThickness="0"
                         Background="Transparent">
@@ -65,7 +65,7 @@
                                     Grid.Column="1"
                                     Width="2"
                                     Height="32"
-                                    CornerRadius="1"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                     Background="#F14A40"
                                     HorizontalAlignment="Center"
                                     VerticalAlignment="Center" />
@@ -74,7 +74,7 @@
                                     Grid.Column="2"
                                     Margin="4,0,0,0"
                                     Height="2"
-                                    CornerRadius="1"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                     Background="#A3A8B3"
                                     Opacity="0.55"
                                     HorizontalAlignment="Stretch"

LanMountainDesktop/Views/Components/Stcn24ForumWidget.axaml

@@ -69,12 +69,12 @@
                     </Grid>
 
                     <Border x:Name="PostItem1Host"
-                            Grid.Row="1"
-                            Tag="0"
-                            Background="#F7F8FA"
-                            CornerRadius="10"
-                            Padding="8,6"
-                            PointerPressed="OnPostItemPointerPressed">
+                                    Grid.Row="1"
+                                    Tag="0"
+                                    Background="#F7F8FA"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusSm}"
+                                    Padding="8,6"
+                                    PointerPressed="OnPostItemPointerPressed">
                         <Grid x:Name="PostItem1Grid"
                               ColumnDefinitions="Auto,*"
                               ColumnSpacing="8">

LanMountainDesktop/Views/Components/StudyDeductionReasonsWidget.axaml

@@ -29,7 +29,7 @@
                 <Border x:Name="ModeBadgeBorder"
                         Grid.Column="1"
                         Padding="8,3"
-                        CornerRadius="8"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         BorderThickness="1"
                         BorderBrush="#88FFFFFF"
                         Background="#553B82F6"
@@ -47,7 +47,7 @@
                         Grid.Row="1"
                         Spacing="6">
                 <Border x:Name="SustainedRowBorder"
-                        CornerRadius="10"
+                        CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                         Background="#2CFFFFFF"
                         BorderBrush="#33FFFFFF"
                         BorderThickness="1"
@@ -76,7 +76,7 @@
                 </Border>
 
                 <Border x:Name="TimeRowBorder"
-                        CornerRadius="10"
+                        CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                         Background="#2CFFFFFF"
                         BorderBrush="#33FFFFFF"
                         BorderThickness="1"
@@ -105,7 +105,7 @@
                 </Border>
 
                 <Border x:Name="SegmentRowBorder"
-                        CornerRadius="10"
+                        CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                         Background="#2CFFFFFF"
                         BorderBrush="#33FFFFFF"
                         BorderThickness="1"

LanMountainDesktop/Views/Components/StudyDeductionReasonsWidget.axaml.cs

@@ -53,6 +53,7 @@ public partial class StudyDeductionReasonsWidget : UserControl, IDesktopComponen
     private bool _isOnActivePage = true;
     private bool _isCompactMode;
     private bool _isUltraCompactMode;
+    private bool _studyEnabled = true;
     private string _languageCode = "zh-CN";
 
     private readonly record struct DeductionMetrics(
@@ -98,7 +99,10 @@ public partial class StudyDeductionReasonsWidget : UserControl, IDesktopComponen
     {
         _isAttached = true;
         ReloadLanguageCode();
-        _ = _studyAnalyticsService.StartOrResumeMonitoring();
+        if (_studyEnabled)
+        {
+            _ = _studyAnalyticsService.StartOrResumeMonitoring();
+        }
         UpdateTimerState();
         RefreshVisual();
     }
@@ -142,10 +146,20 @@ public partial class StudyDeductionReasonsWidget : UserControl, IDesktopComponen
 
     private void RefreshVisual()
     {
-        var snapshot = _studyAnalyticsService.GetSnapshot();
         var panelColor = ResolvePanelBackgroundColor();
         ApplyTypographyByBackground(panelColor);
 
+        if (!_studyEnabled)
+        {
+            ModeTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            ApplyModeBadgeColor(panelColor, Color.Parse("#FF9AA0A6"));
+            ApplyLocalizedLabels();
+            ApplyUnavailableMetrics();
+            return;
+        }
+
+        var snapshot = _studyAnalyticsService.GetSnapshot();
+
         var isSessionRunning = snapshot.Session.State == StudySessionRuntimeState.Running;
         var isSessionReport = snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null;
         var isSessionView = isSessionRunning || isSessionReport;
@@ -595,6 +609,7 @@ public partial class StudyDeductionReasonsWidget : UserControl, IDesktopComponen
     {
         var snapshot = _settingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
+        _studyEnabled = snapshot.StudyEnabled;
     }
 
     private void ApplyVariableFontFamily()

LanMountainDesktop/Views/Components/StudyEnvironmentWidget.axaml.cs

@@ -30,6 +30,7 @@ public partial class StudyEnvironmentWidget : UserControl, IDesktopComponentWidg
     private bool _isAttached;
     private bool _isOnActivePage = true;
     private bool _isDisposed;
+    private bool _studyEnabled = true;
     private IDisposable? _monitoringLease;
 
     public StudyEnvironmentWidget()
@@ -132,6 +133,13 @@ public partial class StudyEnvironmentWidget : UserControl, IDesktopComponentWidg
 
     private void UpdateMonitoringLeaseState()
     {
+        if (!_studyEnabled)
+        {
+            _monitoringLease?.Dispose();
+            _monitoringLease = null;
+            return;
+        }
+
         if (_isAttached)
         {
             _monitoringLease ??= _monitoringLeaseCoordinator.AcquireLease();
@@ -147,6 +155,7 @@ public partial class StudyEnvironmentWidget : UserControl, IDesktopComponentWidg
         var appSnapshot = _appSettingsService.Load();
         var componentSnapshot = _componentSettingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(appSnapshot.LanguageCode);
+        _studyEnabled = appSnapshot.StudyEnabled;
         _showDisplayDb = componentSnapshot.StudyEnvironmentShowDisplayDb;
         _showDbfs = componentSnapshot.StudyEnvironmentShowDbfs;
         _componentColorScheme = componentSnapshot.ColorSchemeSource;
@@ -158,6 +167,17 @@ public partial class StudyEnvironmentWidget : UserControl, IDesktopComponentWidg
 
     private void RefreshVisual()
     {
+        if (!_studyEnabled)
+        {
+            StatusTitleTextBlock.Text = L("study.widget.disabled_title", "自习功能未启用");
+            StatusValueTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            StatusValueTextBlock.Foreground = TryResolveThemeBrush("AdaptiveTextSecondaryBrush", "#FF9AA0A6");
+            NoiseValueTextBlock.Text = "--";
+            NoiseSubValueTextBlock.IsVisible = false;
+            UpdateAdaptiveLayout();
+            return;
+        }
+
         var snapshot = _studyAnalyticsService.GetSnapshot();
         var isSessionReport = snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null;
 

LanMountainDesktop/Views/Components/StudyInterruptDensityWidget.axaml

@@ -29,7 +29,7 @@
                 <Border x:Name="ModeBadgeBorder"
                         Grid.Column="1"
                         Padding="8,3"
-                        CornerRadius="8"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         BorderThickness="1"
                         BorderBrush="#88FFFFFF"
                         Background="#553B82F6"
@@ -79,7 +79,7 @@
                             Spacing="6"
                             VerticalAlignment="Center">
                     <Border x:Name="CountCardBorder"
-                            CornerRadius="10"
+                            CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                             Background="#2CFFFFFF"
                             BorderBrush="#33FFFFFF"
                             BorderThickness="1"
@@ -102,7 +102,7 @@
                     </Border>
 
                     <Border x:Name="DurationCardBorder"
-                            CornerRadius="10"
+                            CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                             Background="#2CFFFFFF"
                             BorderBrush="#33FFFFFF"
                             BorderThickness="1"

LanMountainDesktop/Views/Components/StudyInterruptDensityWidget.axaml.cs

@@ -53,6 +53,7 @@ public partial class StudyInterruptDensityWidget : UserControl, IDesktopComponen
     private bool _isOnActivePage = true;
     private bool _isCompactMode;
     private bool _isUltraCompactMode;
+    private bool _studyEnabled = true;
     private string _languageCode = "zh-CN";
     private IDisposable? _monitoringLease;
 
@@ -151,6 +152,13 @@ public partial class StudyInterruptDensityWidget : UserControl, IDesktopComponen
 
     private void UpdateMonitoringLeaseState()
     {
+        if (!_studyEnabled)
+        {
+            _monitoringLease?.Dispose();
+            _monitoringLease = null;
+            return;
+        }
+
         var shouldMonitor = _isAttached && _isOnActivePage;
         if (shouldMonitor)
         {
@@ -164,11 +172,21 @@ public partial class StudyInterruptDensityWidget : UserControl, IDesktopComponen
 
     private void RefreshVisual()
     {
-        var snapshot = _studyAnalyticsService.GetSnapshot();
         var panelColor = ResolvePanelBackgroundColor();
         ApplyTypographyByBackground(panelColor);
         ApplyLocalizedLabels();
 
+        if (!_studyEnabled)
+        {
+            ModeTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            ApplyModeBadgeColor(panelColor, Color.Parse("#FF9AA0A6"));
+            DensityValueTextBlock.Text = "--";
+            DensityUnitTextBlock.Text = "";
+            return;
+        }
+
+        var snapshot = _studyAnalyticsService.GetSnapshot();
+
         var isSessionRunning = snapshot.Session.State == StudySessionRuntimeState.Running;
         var isSessionReport = snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null;
         var isSessionView = isSessionRunning || isSessionReport;
@@ -528,6 +546,7 @@ public partial class StudyInterruptDensityWidget : UserControl, IDesktopComponen
     {
         var snapshot = _settingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
+        _studyEnabled = snapshot.StudyEnabled;
     }
 
     private void ApplyVariableFontFamily()

LanMountainDesktop/Views/Components/StudyNoiseCurveWidget.axaml

@@ -20,7 +20,7 @@
                   ColumnSpacing="8">
                 <Border x:Name="StatusBadgeBorder"
                         Padding="8,3"
-                        CornerRadius="8"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         Background="#7A0E2235"
                         BorderBrush="#88FFFFFF"
                         BorderThickness="1"

LanMountainDesktop/Views/Components/StudyNoiseCurveWidget.axaml.cs

@@ -70,6 +70,7 @@ public partial class StudyNoiseCurveWidget : UserControl, IDesktopComponentWidge
     private bool _isOnActivePage = true;
     private bool _isSubscribed;
     private bool _isDisposed;
+    private bool _studyEnabled = true;
     private int _framesSinceCompaction;
     private IDisposable? _monitoringLease;
 
@@ -263,6 +264,13 @@ public partial class StudyNoiseCurveWidget : UserControl, IDesktopComponentWidge
 
     private void UpdateMonitoringLeaseState()
     {
+        if (!_studyEnabled)
+        {
+            _monitoringLease?.Dispose();
+            _monitoringLease = null;
+            return;
+        }
+
         if (_isAttached)
         {
             _monitoringLease ??= _monitoringLeaseCoordinator.AcquireLease();
@@ -278,6 +286,15 @@ public partial class StudyNoiseCurveWidget : UserControl, IDesktopComponentWidge
         var panelColor = ResolvePanelBackgroundColor();
         ApplyTypographyByBackground(panelColor);
 
+        if (!_studyEnabled)
+        {
+            StatusTextBlock.Text = L("study.widget.disabled_title", "自习功能未启用");
+            RealtimeValueTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            ApplyStatusBadgeStyle(StatusVisualKind.Default, panelColor);
+            ChartControl.UpdateSeries([]);
+            return;
+        }
+
         var isSessionReport = snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null;
         if (isSessionReport && snapshot.LastSessionReport is not null)
         {
@@ -578,6 +595,7 @@ public partial class StudyNoiseCurveWidget : UserControl, IDesktopComponentWidge
     {
         var snapshot = _settingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
+        _studyEnabled = snapshot.StudyEnabled;
     }
 
     private string L(string key, string fallback)

LanMountainDesktop/Views/Components/StudyNoiseDistributionWidget.axaml

@@ -39,7 +39,7 @@
                 <Border x:Name="ModeBadgeBorder"
                         Grid.Column="2"
                         Padding="8,3"
-                        CornerRadius="8"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         BorderThickness="1"
                         BorderBrush="#88FFFFFF"
                         Background="#553B82F6"

LanMountainDesktop/Views/Components/StudyNoiseDistributionWidget.axaml.cs

@@ -56,6 +56,7 @@ public partial class StudyNoiseDistributionWidget : UserControl, IDesktopCompone
     private bool _isDisposed;
     private bool _isCompactMode;
     private bool _isUltraCompactMode;
+    private bool _studyEnabled = true;
     private IDisposable? _monitoringLease;
 
     private readonly record struct DistributionStats(
@@ -157,6 +158,13 @@ public partial class StudyNoiseDistributionWidget : UserControl, IDesktopCompone
 
     private void UpdateMonitoringLeaseState()
     {
+        if (!_studyEnabled)
+        {
+            _monitoringLease?.Dispose();
+            _monitoringLease = null;
+            return;
+        }
+
         if (_isAttached)
         {
             _monitoringLease ??= _monitoringLeaseCoordinator.AcquireLease();
@@ -169,13 +177,23 @@ public partial class StudyNoiseDistributionWidget : UserControl, IDesktopCompone
 
     private void RefreshVisual()
     {
-        var snapshot = _studyAnalyticsService.GetSnapshot();
         var panelColor = ResolvePanelBackgroundColor();
         ApplyTypographyByBackground(panelColor);
 
         TitleTextBlock.Text = L("study.noise_distribution.title", "Noise Level Distribution");
         ApplyLocalizedAxisLabels();
 
+        if (!_studyEnabled)
+        {
+            ModeTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            ApplyModeBadgeColor(panelColor, Color.Parse("#FF9AA0A6"));
+            ChartControl.UpdateSeries([], 45);
+            SummaryTextBlock.Text = "--";
+            return;
+        }
+
+        var snapshot = _studyAnalyticsService.GetSnapshot();
+
         var isSessionRunning = snapshot.Session.State == StudySessionRuntimeState.Running;
         var isSessionReport = snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null;
         var isSessionView = isSessionRunning || isSessionReport;
@@ -570,6 +588,7 @@ public partial class StudyNoiseDistributionWidget : UserControl, IDesktopCompone
     {
         var snapshot = _settingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
+        _studyEnabled = snapshot.StudyEnabled;
     }
 
     private void ApplyVariableFontFamily()

LanMountainDesktop/Views/Components/StudyScoreOverviewWidget.axaml

@@ -31,7 +31,7 @@
                 <Border x:Name="ModeBadgeBorder"
                         Grid.Column="1"
                         Padding="8,3"
-                        CornerRadius="8"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         BorderThickness="1"
                         BorderBrush="#88FFFFFF"
                         Background="#553B82F6"
@@ -71,7 +71,7 @@
                   ColumnDefinitions="*,*,*"
                   ColumnSpacing="10">
                 <Border x:Name="AverageCardBorder"
-                        CornerRadius="12"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         Background="#24FFFFFF"
                         BorderBrush="#2EFFFFFF"
                         BorderThickness="1"
@@ -96,7 +96,7 @@
 
                 <Border x:Name="MinimumCardBorder"
                         Grid.Column="1"
-                        CornerRadius="12"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         Background="#24FFFFFF"
                         BorderBrush="#2EFFFFFF"
                         BorderThickness="1"
@@ -121,7 +121,7 @@
 
                 <Border x:Name="MaximumCardBorder"
                         Grid.Column="2"
-                        CornerRadius="12"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         Background="#24FFFFFF"
                         BorderBrush="#2EFFFFFF"
                         BorderThickness="1"

LanMountainDesktop/Views/Components/StudyScoreOverviewWidget.axaml.cs

@@ -57,6 +57,7 @@ public partial class StudyScoreOverviewWidget : UserControl, IDesktopComponentWi
     private bool _isCompactMode;
     private bool _isUltraCompactMode;
     private bool _isExpandedMode;
+    private bool _studyEnabled = true;
     private string _languageCode = "zh-CN";
     private IDisposable? _monitoringLease;
 
@@ -140,6 +141,13 @@ public partial class StudyScoreOverviewWidget : UserControl, IDesktopComponentWi
 
     private void UpdateMonitoringLeaseState()
     {
+        if (!_studyEnabled)
+        {
+            _monitoringLease?.Dispose();
+            _monitoringLease = null;
+            return;
+        }
+
         var shouldMonitor = _isAttached && _isOnActivePage;
         if (shouldMonitor)
         {
@@ -153,12 +161,22 @@ public partial class StudyScoreOverviewWidget : UserControl, IDesktopComponentWi
 
     private void RefreshVisual()
     {
-        var snapshot = _studyAnalyticsService.GetSnapshot();
         ApplyLocalizedLabels();
 
         var panelColor = ResolvePanelBackgroundColor();
         ApplyTypographyByBackground(panelColor);
 
+        if (!_studyEnabled)
+        {
+            TitleTextBlock.Text = L("study.widget.disabled_title", "自习功能未启用");
+            ModeTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            CurrentScoreTextBlock.Text = "--";
+            CurrentLabelTextBlock.Text = "";
+            return;
+        }
+
+        var snapshot = _studyAnalyticsService.GetSnapshot();
+
         var realtimeScore = ComputeRealtimeScore(snapshot);
         if (snapshot.DataMode == StudyDataMode.Realtime && realtimeScore is { } score)
         {
@@ -676,6 +694,7 @@ public partial class StudyScoreOverviewWidget : UserControl, IDesktopComponentWi
     {
         var snapshot = _settingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
+        _studyEnabled = snapshot.StudyEnabled;
     }
 
     private void ApplyVariableFontFamily()

LanMountainDesktop/Views/Components/StudySessionControlWidget.axaml.cs

@@ -64,6 +64,7 @@ public partial class StudySessionControlWidget : UserControl, IDesktopComponentW
     private bool _isDisposed;
     private bool _isCompactMode;
     private bool _isUltraCompactMode;
+    private bool _studyEnabled = true;
     private IDisposable? _monitoringLease;
     private string? _transientMessage;
     private DateTimeOffset _transientMessageExpireAt;
@@ -147,6 +148,13 @@ public partial class StudySessionControlWidget : UserControl, IDesktopComponentW
 
     private void UpdateMonitoringLeaseState()
     {
+        if (!_studyEnabled)
+        {
+            _monitoringLease?.Dispose();
+            _monitoringLease = null;
+            return;
+        }
+
         var shouldMonitor = _isAttached && _isOnActivePage;
         if (shouldMonitor)
         {
@@ -193,11 +201,21 @@ public partial class StudySessionControlWidget : UserControl, IDesktopComponentW
 
     private void RefreshVisual()
     {
-        var snapshot = _studyAnalyticsService.GetSnapshot();
         var now = DateTimeOffset.UtcNow;
         var panelColor = ResolvePanelBackgroundColor();
         ApplyTypographyByBackground(panelColor);
 
+        if (!_studyEnabled)
+        {
+            PrimaryTextBlock.Text = L("study.widget.disabled_title", "自习功能未启用");
+            SecondaryTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            ActionIcon.Kind = MaterialIconKind.Settings;
+            ApplyActionBadgeStyle(panelColor, Color.Parse("#FF9AA0A6"));
+            return;
+        }
+
+        var snapshot = _studyAnalyticsService.GetSnapshot();
+
         if (_transientMessage is not null && now > _transientMessageExpireAt)
         {
             _transientMessage = null;
@@ -469,6 +487,7 @@ public partial class StudySessionControlWidget : UserControl, IDesktopComponentW
     {
         var snapshot = _settingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
+        _studyEnabled = snapshot.StudyEnabled;
     }
 
     private string L(string key, string fallback)

LanMountainDesktop/Views/Components/StudySessionHistoryWidget.axaml

@@ -25,7 +25,7 @@
                            TextTrimming="CharacterEllipsis" />
 
                 <Border Grid.Row="1"
-                        CornerRadius="10"
+                        CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                         Background="#1AFFFFFF"
                         BorderBrush="#26FFFFFF"
                         BorderThickness="1"
@@ -56,7 +56,7 @@
                 <Border x:Name="DialogCardBorder"
                         HorizontalAlignment="Stretch"
                         VerticalAlignment="Center"
-                        CornerRadius="12"
+                        CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                         BorderThickness="1"
                         Padding="12">
                     <StackPanel Spacing="10">
@@ -80,12 +80,12 @@
                             <Button x:Name="DialogCancelButton"
                                     Grid.Column="0"
                                     Content="Cancel"
-                                    CornerRadius="8"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                                     Height="30" />
                             <Button x:Name="DialogConfirmButton"
                                     Grid.Column="1"
                                     Content="Confirm"
-                                    CornerRadius="8"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                                     Height="30" />
                         </Grid>
                     </StackPanel>

LanMountainDesktop/Views/Components/StudySessionHistoryWidget.axaml.cs

@@ -58,6 +58,7 @@ public partial class StudySessionHistoryWidget : UserControl, IDesktopComponentW
     private bool _isDisposed;
     private bool _isCompactMode;
     private bool _isUltraCompactMode;
+    private bool _studyEnabled = true;
     private string? _loadingSessionId;
     private HistoryDialogMode _dialogMode;
     private string? _dialogSessionId;
@@ -179,6 +180,19 @@ public partial class StudySessionHistoryWidget : UserControl, IDesktopComponentW
         TitleTextBlock.Text = L("study.session_history.title", "Session History");
         TitleTextBlock.Foreground = CreateAdaptiveBrush(panelSamples, PrimaryColorCandidates, MinTextContrast);
 
+        if (!_studyEnabled)
+        {
+            if (_dialogMode != HistoryDialogMode.None)
+            {
+                CloseDialog();
+            }
+
+            SessionListPanel.Children.Clear();
+            StatusTextBlock.Text = L("study.widget.disabled_hint", "请在设置中开启");
+            StatusTextBlock.Foreground = CreateAdaptiveBrush(panelSamples, SecondaryColorCandidates, MinTextContrast);
+            return;
+        }
+
         if (_transientStatus is not null && DateTimeOffset.UtcNow > _transientStatusExpireAt)
         {
             _transientStatus = null;
@@ -581,6 +595,7 @@ public partial class StudySessionHistoryWidget : UserControl, IDesktopComponentW
     {
         var snapshot = _settingsService.Load();
         _languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
+        _studyEnabled = snapshot.StudyEnabled;
     }
 
     private void UpdateAdaptiveLayout()

LanMountainDesktop/Views/Components/TimerWidget.axaml

@@ -22,7 +22,7 @@
                         Height="224"
                         HorizontalAlignment="Center"
                         VerticalAlignment="Center"
-                        CornerRadius="32"
+                        CornerRadius="{DynamicResource DesignCornerRadiusLg}"
                         BorderThickness="1">
                     <Grid ColumnDefinitions="96,2,*">
                         <Grid Grid.Column="0"
@@ -70,14 +70,14 @@
                                     Grid.Row="0"
                                     Height="3"
                                     Width="18"
-                                    CornerRadius="2"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                     HorizontalAlignment="Left"
                                     Background="#D0D6E1" />
                             <Border x:Name="ScaleMark2"
                                     Grid.Row="1"
                                     Height="3"
                                     Width="16"
-                                    CornerRadius="2"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                     Margin="0,18,0,0"
                                     HorizontalAlignment="Left"
                                     Background="#D0D6E1" />
@@ -85,7 +85,7 @@
                                     Grid.Row="2"
                                     Height="3"
                                     Width="14"
-                                    CornerRadius="2"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                     Margin="0,18,0,0"
                                     HorizontalAlignment="Left"
                                     Background="#D0D6E1" />
@@ -93,7 +93,7 @@
                                     Grid.Row="3"
                                     Height="3"
                                     Width="12"
-                                    CornerRadius="2"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusMicro}"
                                     Margin="0,18,0,0"
                                     HorizontalAlignment="Left"
                                     Background="#D0D6E1" />

LanMountainDesktop/Views/Components/WeatherWidget.axaml

@@ -32,12 +32,12 @@
             </Border>
 
             <Border x:Name="BackgroundTintLayer"
-                    CornerRadius="30"
+                    CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                     ClipToBounds="True"
                     Opacity="0.16" />
 
             <Border x:Name="BackgroundLightLayer"
-                    CornerRadius="30"
+                    CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                     ClipToBounds="True"
                     Opacity="0.62">
                 <Border.Background>
@@ -54,7 +54,7 @@
             </Border>
 
             <Border x:Name="BackgroundShadeLayer"
-                    CornerRadius="30"
+                    CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
                     ClipToBounds="True"
                     Opacity="0.74">
                 <Border.Background>

LanMountainDesktop/Views/Components/WhiteboardWidget.axaml

@@ -24,7 +24,7 @@
                         Background="#FFFFFF"
                         BorderBrush="#24000000"
                         BorderThickness="1"
-                        CornerRadius="14"
+                        CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                         ClipToBounds="True">
                     <inking:InkCanvas x:Name="InkCanvas" />
                 </Border>
@@ -35,7 +35,7 @@
                         Background="#E6FFFFFF"
                         BorderBrush="#16000000"
                         BorderThickness="1"
-                        CornerRadius="14"
+                        CornerRadius="{DynamicResource DesignCornerRadiusSm}"
                         Padding="8,6">
                     <StackPanel x:Name="ToolbarButtonsPanel"
                                 Orientation="Horizontal"
@@ -103,7 +103,7 @@
             <Border Background="{DynamicResource AdaptiveSurfaceBaseBrush}"
                     BorderBrush="{DynamicResource SystemControlForegroundBaseMediumLowBrush}"
                     BorderThickness="1"
-                    CornerRadius="8"
+                    CornerRadius="{DynamicResource DesignCornerRadiusXs}"
                     Padding="12">
                 <StackPanel Spacing="12">
                     <ColorView x:Name="InkColorPicker"

LanMountainDesktop/Views/SettingsPages/StudySettingsPage.axaml

@@ -8,10 +8,23 @@
     <ScrollViewer VerticalScrollBarVisibility="Auto">
         <StackPanel Classes="settings-page-container settings-page-animated">
 
+            <!-- 总开关 -->
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding MasterSwitchHeader}"
+                                 Description="{Binding MasterSwitchDescription}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="DataHistogram" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <ToggleSwitch IsChecked="{Binding StudyEnabled}" />
+                </ui:SettingsExpander.Footer>
+            </ui:SettingsExpander>
+
             <!-- 噪音监测设置 -->
             <ui:SettingsExpander Classes="settings-expander-card"
                                  Header="{Binding NoiseMonitoringHeader}"
-                                 Description="{Binding NoiseMonitoringDescription}">
+                                 Description="{Binding NoiseMonitoringDescription}"
+                                 IsEnabled="{Binding StudyEnabled}">
                 <ui:SettingsExpander.IconSource>
                     <fi:SymbolIconSource Symbol="Mic" />
                 </ui:SettingsExpander.IconSource>
@@ -77,7 +90,8 @@
             <!-- 专注计时设置 -->
             <ui:SettingsExpander Classes="settings-expander-card"
                                  Header="{Binding FocusTimerHeader}"
-                                 Description="{Binding FocusTimerDescription}">
+                                 Description="{Binding FocusTimerDescription}"
+                                 IsEnabled="{Binding StudyEnabled}">
                 <ui:SettingsExpander.IconSource>
                     <fi:SymbolIconSource Symbol="Timer" />
                 </ui:SettingsExpander.IconSource>
@@ -214,7 +228,8 @@
             <!-- 提醒设置 -->
             <ui:SettingsExpander Classes="settings-expander-card"
                                  Header="{Binding AlertHeader}"
-                                 Description="{Binding AlertDescription}">
+                                 Description="{Binding AlertDescription}"
+                                 IsEnabled="{Binding StudyEnabled}">
                 <ui:SettingsExpander.IconSource>
                     <fi:SymbolIconSource Symbol="Alert" />
                 </ui:SettingsExpander.IconSource>
@@ -255,7 +270,8 @@
             <!-- 显示设置 -->
             <ui:SettingsExpander Classes="settings-expander-card"
                                  Header="{Binding DisplayHeader}"
-                                 Description="{Binding DisplayDescription}">
+                                 Description="{Binding DisplayDescription}"
+                                 IsEnabled="{Binding StudyEnabled}">
                 <ui:SettingsExpander.IconSource>
                     <fi:SymbolIconSource Symbol="Eye" />
                 </ui:SettingsExpander.IconSource>