fix: 导航栏沉浸

lib/pages/main/view.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:get/get.dart';
 import 'package:hive/hive.dart';
 import 'package:pilipala/models/common/dynamic_badge_mode.dart';
@@ -127,6 +128,14 @@ class _MainAppState extends State<MainApp> with SingleTickerProviderStateMixin {
         MediaQuery.sizeOf(context).width * 9 / 16;
     localCache.put('sheetHeight', sheetHeight);
     localCache.put('statusBarHeight', statusBarHeight);
+
+    SystemChrome.setSystemUIOverlayStyle(
+      SystemUiOverlayStyle(
+        systemNavigationBarColor: Colors.transparent,
+        systemNavigationBarIconBrightness:
+            Get.isDarkMode ? Brightness.light : Brightness.dark,
+      ),
+    );
     return PopScope(
       canPop: false,
       onPopInvoked: (bool didPop) async {