diff --git a/app/src/main/java/com/hippo/app/BaseDialogBuilder.kt b/app/src/main/java/com/hippo/app/BaseDialogBuilder.kt
index 7b0d6c477..8acd2da4a 100644
--- a/app/src/main/java/com/hippo/app/BaseDialogBuilder.kt
+++ b/app/src/main/java/com/hippo/app/BaseDialogBuilder.kt
@@ -1,23 +1,8 @@
 package com.hippo.app
 
 import android.content.Context
-import android.os.Build
-import android.view.WindowManager
-import androidx.appcompat.app.AlertDialog
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 
 open class BaseDialogBuilder constructor(
     context: Context
-) : MaterialAlertDialogBuilder(context) {
-    override fun create(): AlertDialog {
-        return super.create().apply {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                window?.run {
-                    addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND)
-                    addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
-                    attributes.blurBehindRadius = 32
-                }
-            }
-        }
-    }
-}
\ No newline at end of file
+) : MaterialAlertDialogBuilder(context)
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/EhActivity.kt b/app/src/main/java/com/hippo/ehviewer/ui/EhActivity.kt
index 453e425e5..2810511a4 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/EhActivity.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/EhActivity.kt
@@ -22,7 +22,6 @@ import android.content.pm.PackageManager
 import android.content.res.Configuration
 import android.content.res.Resources
 import android.content.res.Resources.Theme
-import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.view.WindowManager
@@ -71,23 +70,15 @@ abstract class EhActivity : AppCompatActivity() {
                 WindowInsetsHelper.LISTENER
             )
         super.onCreate(savedInstanceState)
-        window.statusBarColor = Color.TRANSPARENT
         window.decorView.post {
             val rootWindowInsets = window.decorView.rootWindowInsets
             if (rootWindowInsets != null && rootWindowInsets.systemWindowInsetBottom >= Resources.getSystem().displayMetrics.density * 40) {
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-                    window.navigationBarDividerColor = getColor(R.color.navigation_bar_divider)
-                }
+                window.navigationBarDividerColor = getColor(R.color.navigation_bar_divider)
                 window.navigationBarColor =
                     theme.resolveColor(android.R.attr.navigationBarColor) and 0x00ffffff or -0x20000000
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                     window.isNavigationBarContrastEnforced = false
                 }
-            } else {
-                window.navigationBarColor = Color.TRANSPARENT
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-                    window.isNavigationBarContrastEnforced = true
-                }
             }
         }
         (application as EhApplication).registerActivity(this)
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/GalleryInfoBottomSheet.kt b/app/src/main/java/com/hippo/ehviewer/ui/GalleryInfoBottomSheet.kt
index 38bf42f54..6340e87d1 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/GalleryInfoBottomSheet.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/GalleryInfoBottomSheet.kt
@@ -46,13 +46,6 @@ class GalleryInfoBottomSheet(detail: GalleryDetail) : BottomSheetDialogFragment(
     ): View? {
         parseDetail()
         val view = inflater.inflate(R.layout.scene_gallery_info, container, false)
-        dialog?.window?.run {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND)
-                addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
-                attributes.blurBehindRadius = 32
-            }
-        }
         val recyclerView = view.findViewById(R.id.recycler_view) as RecyclerView
         val adapter = InfoAdapter()
         recyclerView.adapter = adapter
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 8c7aadf59..a7365240e 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -22,16 +22,25 @@
         <item name="drawableColorThemePrimary">?attr/colorPrimary</item>
         <item name="tagGroupBackgroundColor">?attr/colorPrimaryContainer</item>
         <item name="tagBackgroundColor">?attr/colorTertiaryContainer</item>
-        <item name="android:windowActionBar">false</item>
-        <item name="android:windowNoTitle">true</item>
-        <item name="windowActionBar">false</item>
-        <item name="windowNoTitle">true</item>
+
         <item name="filterChipStyle">@style/Widget.Material3.Chip.Filter</item>
         <item name="preferenceTheme">@style/PreferenceThemeOverlay.Rikka.Material3</item>
         <item name="snackbarStyle">@style/Snackbar</item>
         <item name="snackbarButtonStyle">@style/SnackbarButton</item>
+
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:windowActionBar">false</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
         <item name="android:forceDarkAllowed" tools:targetApi="29">false</item>
+        <item name="android:enforceNavigationBarContrast" tools:targetApi="q">true</item>
+
+        <!-- Apply blur on Android 12 above -->
+        <item name="materialCalendarTheme">@style/MaterialCalendarTheme</item>
         <item name="bottomSheetDialogTheme">@style/BottomSheetDialogTheme</item>
+        <item name="materialAlertDialogTheme">@style/MaterialAlertDialogTheme</item>
     </style>
 
     <style name="ThemeOverlay" />
@@ -55,7 +64,19 @@
         <item name="colorOnSurface">?attr/colorSurfaceInverse</item>
     </style>
 
+    <!-- Apply blur on Android 12 above -->
     <style name="BottomSheetDialogTheme" parent="ThemeOverlay.Material3.BottomSheetDialog">
-        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:windowBlurBehindEnabled" tools:targetApi="s">true</item>
+        <item name="android:windowBlurBehindRadius" tools:ignore="PxUsage" tools:targetApi="s">20px</item>
+    </style>
+
+    <style name="MaterialAlertDialogTheme" parent="ThemeOverlay.Material3.MaterialAlertDialog">
+        <item name="android:windowBlurBehindEnabled" tools:targetApi="s">true</item>
+        <item name="android:windowBlurBehindRadius" tools:ignore="PxUsage" tools:targetApi="s">20px</item>
+    </style>
+
+    <style name="MaterialCalendarTheme" parent="ThemeOverlay.Material3.MaterialCalendar">
+        <item name="android:windowBlurBehindEnabled" tools:targetApi="s">true</item>
+        <item name="android:windowBlurBehindRadius" tools:ignore="PxUsage" tools:targetApi="s">20px</item>
     </style>
 </resources>