屏幕适配

lib/shared/widgets/app_toast.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:recording_tool/app/router/app_navigator.dart';
 
 class AppToast {
@@ -68,15 +69,15 @@ class _ToastWidget extends StatelessWidget {
               constraints: BoxConstraints(
                 maxWidth: MediaQuery.sizeOf(context).width * 0.8,
               ),
-              padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 11),
+              padding: EdgeInsets.symmetric(horizontal: 18.r, vertical: 11.r),
               decoration: BoxDecoration(
                 color: Colors.black.withValues(alpha: 0.82),
-                borderRadius: BorderRadius.circular(8),
+                borderRadius: BorderRadius.circular(8.r),
               ),
               child: Text(
                 message,
                 textAlign: TextAlign.center,
-                style: const TextStyle(color: Colors.white, fontSize: 14),
+                style: TextStyle(color: Colors.white, fontSize: 14.sp),
               ),
             ),
           ),