diff --git a/android/app/src/main/res/drawable-hdpi/splash.png b/android/app/src/main/res/drawable-hdpi/splash.png
new file mode 100644
index 000000000..dd8f05b26
Binary files /dev/null and b/android/app/src/main/res/drawable-hdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-mdpi/splash.png b/android/app/src/main/res/drawable-mdpi/splash.png
new file mode 100644
index 000000000..9378f3e69
Binary files /dev/null and b/android/app/src/main/res/drawable-mdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-night-hdpi/splash.png b/android/app/src/main/res/drawable-night-hdpi/splash.png
new file mode 100644
index 000000000..dd8f05b26
Binary files /dev/null and b/android/app/src/main/res/drawable-night-hdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-night-mdpi/splash.png b/android/app/src/main/res/drawable-night-mdpi/splash.png
new file mode 100644
index 000000000..9378f3e69
Binary files /dev/null and b/android/app/src/main/res/drawable-night-mdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-night-v21/background.png b/android/app/src/main/res/drawable-night-v21/background.png
new file mode 100644
index 000000000..4c1cab129
Binary files /dev/null and b/android/app/src/main/res/drawable-night-v21/background.png differ
diff --git a/android/app/src/main/res/drawable-night-v21/launch_background.xml b/android/app/src/main/res/drawable-night-v21/launch_background.xml
new file mode 100644
index 000000000..3cc4948a1
--- /dev/null
+++ b/android/app/src/main/res/drawable-night-v21/launch_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
diff --git a/android/app/src/main/res/drawable-night-xhdpi/splash.png b/android/app/src/main/res/drawable-night-xhdpi/splash.png
new file mode 100644
index 000000000..1d9e7e4c5
Binary files /dev/null and b/android/app/src/main/res/drawable-night-xhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-night-xxhdpi/splash.png b/android/app/src/main/res/drawable-night-xxhdpi/splash.png
new file mode 100644
index 000000000..cbb112a30
Binary files /dev/null and b/android/app/src/main/res/drawable-night-xxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-night-xxxhdpi/splash.png b/android/app/src/main/res/drawable-night-xxxhdpi/splash.png
new file mode 100644
index 000000000..b23e4cb5a
Binary files /dev/null and b/android/app/src/main/res/drawable-night-xxxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-night/background.png b/android/app/src/main/res/drawable-night/background.png
new file mode 100644
index 000000000..4c1cab129
Binary files /dev/null and b/android/app/src/main/res/drawable-night/background.png differ
diff --git a/android/app/src/main/res/drawable-night/launch_background.xml b/android/app/src/main/res/drawable-night/launch_background.xml
new file mode 100644
index 000000000..3cc4948a1
--- /dev/null
+++ b/android/app/src/main/res/drawable-night/launch_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
diff --git a/android/app/src/main/res/drawable-v21/background.png b/android/app/src/main/res/drawable-v21/background.png
new file mode 100644
index 000000000..3107d37fa
Binary files /dev/null and b/android/app/src/main/res/drawable-v21/background.png differ
diff --git a/android/app/src/main/res/drawable-v21/launch_background.xml b/android/app/src/main/res/drawable-v21/launch_background.xml
new file mode 100644
index 000000000..3cc4948a1
--- /dev/null
+++ b/android/app/src/main/res/drawable-v21/launch_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
diff --git a/android/app/src/main/res/drawable-xhdpi/splash.png b/android/app/src/main/res/drawable-xhdpi/splash.png
new file mode 100644
index 000000000..1d9e7e4c5
Binary files /dev/null and b/android/app/src/main/res/drawable-xhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-xxhdpi/splash.png b/android/app/src/main/res/drawable-xxhdpi/splash.png
new file mode 100644
index 000000000..cbb112a30
Binary files /dev/null and b/android/app/src/main/res/drawable-xxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable-xxxhdpi/splash.png b/android/app/src/main/res/drawable-xxxhdpi/splash.png
new file mode 100644
index 000000000..b23e4cb5a
Binary files /dev/null and b/android/app/src/main/res/drawable-xxxhdpi/splash.png differ
diff --git a/android/app/src/main/res/drawable/background.png b/android/app/src/main/res/drawable/background.png
new file mode 100644
index 000000000..3107d37fa
Binary files /dev/null and b/android/app/src/main/res/drawable/background.png differ
diff --git a/android/app/src/main/res/drawable/launch_background.xml b/android/app/src/main/res/drawable/launch_background.xml
index f74085f3f..3cc4948a1 100644
--- a/android/app/src/main/res/drawable/launch_background.xml
+++ b/android/app/src/main/res/drawable/launch_background.xml
@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="?android:colorBackground" />
-
-    <!-- You can insert your own image assets here -->
-    <!-- <item>
-        <bitmap
-            android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
 </layer-list>
diff --git a/android/app/src/main/res/values-night-v31/styles.xml b/android/app/src/main/res/values-night-v31/styles.xml
new file mode 100644
index 000000000..a57fbe402
--- /dev/null
+++ b/android/app/src/main/res/values-night-v31/styles.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#212121</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
diff --git a/android/app/src/main/res/values-night/styles.xml b/android/app/src/main/res/values-night/styles.xml
index 06952be74..dbc9ea9f1 100644
--- a/android/app/src/main/res/values-night/styles.xml
+++ b/android/app/src/main/res/values-night/styles.xml
@@ -5,6 +5,10 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your
diff --git a/android/app/src/main/res/values-v31/styles.xml b/android/app/src/main/res/values-v31/styles.xml
new file mode 100644
index 000000000..984a6d798
--- /dev/null
+++ b/android/app/src/main/res/values-v31/styles.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#ffffff</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
index 9b01be97c..1359f0d1a 100644
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@@ -5,6 +5,10 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your
diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json
new file mode 100644
index 000000000..8bb185b10
--- /dev/null
+++ b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json
@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "filename" : "background.png",
+      "idiom" : "universal"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "darkbackground.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png
new file mode 100644
index 000000000..3107d37fa
Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png
new file mode 100644
index 000000000..4c1cab129
Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
index 0bedcf2fd..f3387d4ae 100644
--- a/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
+++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
@@ -1,23 +1,56 @@
 {
   "images" : [
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage.png",
+      "idiom" : "universal",
       "scale" : "1x"
     },
     {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "LaunchImageDark.png",
       "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
       "filename" : "LaunchImage@2x.png",
+      "idiom" : "universal",
       "scale" : "2x"
     },
     {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "LaunchImageDark@2x.png",
       "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
       "filename" : "LaunchImage@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "LaunchImageDark@3x.png",
+      "idiom" : "universal",
       "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
 }
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
index 9da19eaca..9378f3e69 100644
Binary files a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
index 9da19eaca..1d9e7e4c5 100644
Binary files a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
index 9da19eaca..cbb112a30 100644
Binary files a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark.png
new file mode 100644
index 000000000..9378f3e69
Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark@2x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark@2x.png
new file mode 100644
index 000000000..1d9e7e4c5
Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark@2x.png differ
diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark@3x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark@3x.png
new file mode 100644
index 000000000..cbb112a30
Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImageDark@3x.png differ
diff --git a/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard
index f2e259c7c..7aa6dfbc2 100644
--- a/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -16,13 +16,19 @@
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
-                            </imageView>
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" image="LaunchBackground" translatesAutoresizingMaskIntoConstraints="NO" id="tWc-Dq-wcI"/>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"></imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="3T2-ad-Qdv"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="RPx-PI-7Xg"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="SdS-ul-q2q"/>
+                            <constraint firstAttribute="trailing" secondItem="tWc-Dq-wcI" secondAttribute="trailing" id="Swv-Gf-Rwn"/>
+                            <constraint firstAttribute="trailing" secondItem="YRO-k0-Ey4" secondAttribute="trailing" id="TQA-XW-tRk"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="duK-uY-Gun"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="kV7-tw-vXt"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="xPn-NY-SIU"/>
                         </constraints>
                     </view>
                 </viewController>
@@ -32,6 +38,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
+        <image name="LaunchImage" width="512" height="512"/>
+        <image name="LaunchBackground" width="1" height="1"/>
     </resources>
 </document>
diff --git a/ios/Runner/Info.plist b/ios/Runner/Info.plist
index b5086ed8b..6df6f8aed 100644
--- a/ios/Runner/Info.plist
+++ b/ios/Runner/Info.plist
@@ -92,7 +92,6 @@
 					</dict>
 				</array>
 			</dict>
-
 			<!-- 当其他应用程序或系统通过 bilibili -->
 			<dict>
 				<key>CFBundleURLName</key>
@@ -107,5 +106,7 @@
 		<array>
 			<string>audio</string>
 		</array>
+		<key>UIStatusBarHidden</key>
+		<false/>
 	</dict>
 </plist>
diff --git a/pubspec.lock b/pubspec.lock
index a73145377..ffdf374e0 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -30,6 +30,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.11"
+  ansicolor:
+    dependency: transitive
+    description:
+      name: ansicolor
+      sha256: "50e982d500bc863e1d703448afdbf9e5a72eb48840a4f766fa361ffd6877055f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
   app_links:
     dependency: "direct main"
     description:
@@ -617,6 +625,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  flutter_native_splash:
+    dependency: "direct dev"
+    description:
+      name: flutter_native_splash
+      sha256: aa06fec78de2190f3db4319dd60fdc8d12b2626e93ef9828633928c2dcaea840
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index fec114286..a675a1cdf 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -171,6 +171,7 @@ dev_dependencies:
   #     ref: e045d40
   hive_generator: ^2.0.0
   build_runner: ^2.3.3
+  flutter_native_splash: ^2.4.1
 
 flutter_launcher_icons:
   android: true
@@ -186,6 +187,15 @@ flutter_launcher_icons:
     generate: true
     image_path: assets/images/logo/logo_ios.png
 
+flutter_native_splash:
+  android_12:
+    color: "#ffffff"
+    color_dark: "#212121"
+  color: "#ffffff"
+  color_dark: "#212121"
+  image: assets/images/logo/logo_android_2.png
+  image_dark: assets/images/logo/logo_android_2.png
+
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
 
diff --git a/web/index.html b/web/index.html
index 7abe9ec81..f5eb9db7a 100644
--- a/web/index.html
+++ b/web/index.html
@@ -1,6 +1,4 @@
-<!DOCTYPE html>
-<html>
-<head>
+<!DOCTYPE html><html><head>
   <!--
     If you are serving your web app in a path other than the root, change the
     href value below to reflect the base path you are serving from.
@@ -27,7 +25,7 @@
   <link rel="apple-touch-icon" href="icons/Icon-192.png">
 
   <!-- Favicon -->
-  <link rel="icon" type="image/png" href="favicon.png"/>
+  <link rel="icon" type="image/png" href="favicon.png">
 
   <title>pilipala</title>
   <link rel="manifest" href="manifest.json">
@@ -37,9 +35,86 @@
     var serviceWorkerVersion = null;
   </script>
   <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
+  <script src="flutter.js" defer=""></script>
+  <style id="splash-screen-style">
+    html {
+      height: 100%
+    }
+
+    body {
+      margin: 0;
+      min-height: 100%;
+      background-color: #ffffff;
+          background-size: 100% 100%;
+    }
+
+    .center {
+      margin: 0;
+      position: absolute;
+      top: 50%;
+      left: 50%;
+      -ms-transform: translate(-50%, -50%);
+      transform: translate(-50%, -50%);
+    }
+
+    .contain {
+      display:block;
+      width:100%; height:100%;
+      object-fit: contain;
+    }
+
+    .stretch {
+      display:block;
+      width:100%; height:100%;
+    }
+
+    .cover {
+      display:block;
+      width:100%; height:100%;
+      object-fit: cover;
+    }
+
+    .bottom {
+      position: absolute;
+      bottom: 0;
+      left: 50%;
+      -ms-transform: translate(-50%, 0);
+      transform: translate(-50%, 0);
+    }
+
+    .bottomLeft {
+      position: absolute;
+      bottom: 0;
+      left: 0;
+    }
+
+    .bottomRight {
+      position: absolute;
+      bottom: 0;
+      right: 0;
+    }
+
+    @media (prefers-color-scheme: dark) {
+      body {
+        background-color: #212121;
+          }
+    }
+  </style>
+  <script id="splash-screen-script">
+    function removeSplashFromWeb() {
+      document.getElementById("splash")?.remove();
+      document.getElementById("splash-branding")?.remove();
+      document.body.style.background = "transparent";
+    }
+  </script>
+  <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport">
 </head>
 <body>
+  <picture id="splash">
+      <source srcset="splash/img/light-1x.png 1x, splash/img/light-2x.png 2x, splash/img/light-3x.png 3x, splash/img/light-4x.png 4x" media="(prefers-color-scheme: light)">
+      <source srcset="splash/img/dark-1x.png 1x, splash/img/dark-2x.png 2x, splash/img/dark-3x.png 3x, splash/img/dark-4x.png 4x" media="(prefers-color-scheme: dark)">
+      <img class="center" aria-hidden="true" src="splash/img/light-1x.png" alt="">
+  </picture>
   <script>
     window.addEventListener('load', function(ev) {
       // Download main.dart.js
@@ -55,5 +130,6 @@
       });
     });
   </script>
-</body>
-</html>
+
+
+</body></html>
\ No newline at end of file
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