diff --git a/android/app/src/main/java/games/wenzi/ogame/MainActivity.java b/android/app/src/main/java/games/wenzi/ogame/MainActivity.java
index 9489197..a2586bd 100644
--- a/android/app/src/main/java/games/wenzi/ogame/MainActivity.java
+++ b/android/app/src/main/java/games/wenzi/ogame/MainActivity.java
@@ -3,6 +3,8 @@ package games.wenzi.ogame;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.view.Window;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
 import androidx.core.view.WindowCompat;
 import androidx.core.view.WindowInsetsControllerCompat;
 import com.getcapacitor.BridgeActivity;
@@ -28,4 +30,15 @@ public class MainActivity extends BridgeActivity {
             controller.setAppearanceLightNavigationBars(false);
         }
     }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        // 禁用 WebView 文本缩放，防止系统字体大小设置影响布局
+        WebView webView = getBridge().getWebView();
+        if (webView != null) {
+            WebSettings settings = webView.getSettings();
+            settings.setTextZoom(100); // 固定为 100%，忽略系统字体缩放设置
+        }
+    }
 }
diff --git a/capacitor.config.ts b/capacitor.config.ts
index 2ede4b6..347bd7e 100644
--- a/capacitor.config.ts
+++ b/capacitor.config.ts
@@ -11,6 +11,15 @@ const config: CapacitorConfig = {
     buildOptions: {
       keystorePath: undefined,
       keystoreAlias: undefined
+    },
+    // 禁用 WebView 文本缩放，防止系统字体设置影响布局
+    webContentsDebuggingEnabled: false,
+    allowMixedContent: false
+  },
+  plugins: {
+    // 禁用键盘自动调整视口
+    Keyboard: {
+      resize: 'none'
     }
   }
 }
diff --git a/src/style.css b/src/style.css
index 5bed97c..87d1739 100644
--- a/src/style.css
+++ b/src/style.css
@@ -123,6 +123,10 @@
   html {
     /* 平滑过渡 */
     transition: background-color 0.3s ease, color 0.3s ease;
+    /* 禁用文本大小调整，防止移动端自动放大文本 */
+    -webkit-text-size-adjust: 100%;
+    -moz-text-size-adjust: 100%;
+    text-size-adjust: 100%;
   }
 
   body {
@@ -217,4 +221,22 @@ aside nav a:hover button {
 :root:not(.dark) .tooltip-content-custom {
   background-color: oklch(0.3 0.02 85) !important;
   color: oklch(0.95 0.008 85) !important;
+}
+
+/* 修复 Edge-to-Edge 模式下 Portal 容器的定位问题 */
+[data-reka-portal],
+[data-radix-portal] {
+  position: fixed !important;
+  left: 0 !important;
+  top: 0 !important;
+  right: 0 !important;
+  bottom: 0 !important;
+  pointer-events: none;
+  padding: 0 !important;
+  margin: 0 !important;
+}
+
+[data-reka-portal] > *,
+[data-radix-portal] > * {
+  pointer-events: auto;
 }
\ No newline at end of file