屏幕适配

lib/features/recording/widgets/recording_touch_lock_overlay.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class RecordingTouchLockOverlay extends StatefulWidget {
   const RecordingTouchLockOverlay({
@@ -72,22 +73,22 @@ class _RecordingTouchLockOverlayState extends State<RecordingTouchLockOverlay> {
           child: Align(
             alignment: Alignment.topCenter,
             child: Padding(
-              padding: const EdgeInsets.only(top: 48),
+              padding: EdgeInsets.only(top: 48.r),
               child: DecoratedBox(
                 decoration: BoxDecoration(
                   color: Colors.black54,
-                  borderRadius: BorderRadius.circular(24),
+                  borderRadius: BorderRadius.circular(24.r),
                 ),
                 child: Padding(
-                  padding: const EdgeInsets.symmetric(
-                    horizontal: 16,
-                    vertical: 8,
+                  padding: EdgeInsets.symmetric(
+                    horizontal: 16.r,
+                    vertical: 8.r,
                   ),
                   child: Text(
                     _isHolding
                         ? '保持按住 ${widget.unlockHoldDuration.inSeconds}s 解锁…'
                         : '防误触已开启，按住 ${widget.unlockHoldDuration.inSeconds}s 解锁',
-                    style: const TextStyle(color: Colors.white, fontSize: 13),
+                    style: TextStyle(color: Colors.white, fontSize: 13.sp),
                   ),
                 ),
               ),