完成视频播放UI 调整

lib/features/scan_qrcode/pages/page_record_list.dart

@@ -10,6 +10,7 @@ import 'package:recording_tool/app/router/app_navigator.dart';
 import 'package:recording_tool/features/auth/model/model_auth.dart';
 import 'package:recording_tool/features/auth/view_model_auth/view_model_auth.dart';
 import 'package:recording_tool/features/scan_qrcode/pages/page_record_video_player.dart';
+import 'package:recording_tool/gen/assets.gen.dart';
 import 'package:recording_tool/shared/widgets/app_bar.dart';
 import 'package:recording_tool/shared/widgets/app_empty_view.dart';
 import 'package:recording_tool/shared/widgets/app_toast.dart';
@@ -50,26 +51,26 @@ class RecordListPage extends ConsumerWidget {
 
     return Scaffold(
       backgroundColor: const Color(0xFFF5F6F8),
-      appBar: AppPageBar(title: '查看录像'),
+      appBar: AppPageBar(
+        centerTitle: false,
+        titleSpacing: 0,
+        titleWidget: Text(
+          breadcrumbs.join(' > '),
+          maxLines: 1,
+          overflow: TextOverflow.ellipsis,
+          style: TextStyle(
+            color: Colors.white,
+            fontSize: 15.sp,
+            fontWeight: FontWeight.w500,
+          ),
+        ),
+      ),
       body: SafeArea(
         top: false,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Padding(
-              padding: EdgeInsets.fromLTRB(12.w, 12.h, 12.w, 4.h),
-              child: Text(
-                breadcrumbs.join(' > '),
-                maxLines: 1,
-                overflow: TextOverflow.ellipsis,
-                style: TextStyle(
-                  fontSize: 14.sp,
-                  height: 1.2,
-                  color: const Color(0xFF30343A),
-                  fontWeight: FontWeight.w700,
-                ),
-              ),
-            ),
+            SizedBox(height: 4.h),
             Expanded(
               child: visibleItems.isEmpty
                   ? const AppEmptyView(message: '暂无录像内容')
@@ -196,7 +197,7 @@ class _DirectoryCard extends StatelessWidget {
         borderRadius: BorderRadius.circular(6.r),
         child: Container(
           constraints: BoxConstraints(minHeight: 72.h),
-          padding: EdgeInsets.fromLTRB(12.w, 12.h, 14.w, 12.h),
+          padding: EdgeInsets.fromLTRB(20.w, 12.h, 14.w, 12.h),
           child: Row(
             children: [
               Expanded(
@@ -230,10 +231,22 @@ class _DirectoryCard extends StatelessWidget {
                 ),
               ),
               SizedBox(width: 12.w),
-              Icon(
-                Icons.chevron_right,
-                size: 20.r,
-                color: const Color(0xFF9AA3AF),
+              Row(
+                children: [
+                  // Text(
+                  //   '视频',
+                  //   style: TextStyle(
+                  //     fontSize: 14.sp,
+                  //     color: const Color(0xFF358BFE),
+                  //     fontWeight: FontWeight.w600,
+                  //   ),
+                  // ),
+                  Icon(
+                    Icons.chevron_right,
+                    size: 20.r,
+                    color: const Color(0xFF9AA3AF),
+                  ),
+                ],
               ),
             ],
           ),
@@ -368,10 +381,9 @@ class _VideoThumbnailState extends State<_VideoThumbnail> {
                   color: Colors.black.withValues(alpha: 0.35),
                   shape: BoxShape.circle,
                 ),
-                child: Icon(
-                  Icons.play_arrow_rounded,
-                  size: 22.r,
-                  color: Colors.white,
+                child: Image(
+                  image: AssetImage(Assets.images.imageVideoIcon.path),
+                  fit: BoxFit.cover,
                 ),
               ),
             ),

lib/gen/assets.gen.dart

@@ -80,6 +80,10 @@ class $AssetsImagesGen {
   AssetGenImage get imageTeamVsBg =>
       const AssetGenImage('assets/images/image_team_vs_bg.png');
 
+  /// File path: assets/images/image_video_icon.png
+  AssetGenImage get imageVideoIcon =>
+      const AssetGenImage('assets/images/image_video_icon.png');
+
   /// File path: assets/images/image_vs.png
   AssetGenImage get imageVs =>
       const AssetGenImage('assets/images/image_vs.png');
@@ -100,6 +104,7 @@ class $AssetsImagesGen {
     imageScanQrcode,
     imageStart,
     imageTeamVsBg,
+    imageVideoIcon,
     imageVs,
   ];
 }

lib/shared/widgets/app_bar.dart

@@ -14,6 +14,8 @@ class AppPageBar extends StatelessWidget implements PreferredSizeWidget {
     this.backgroundImage,
     this.onBack,
     this.actions,
+    this.centerTitle = true,
+    this.titleSpacing,
   });
 
   final String title;
@@ -22,6 +24,10 @@ class AppPageBar extends StatelessWidget implements PreferredSizeWidget {
   final VoidCallback? onBack;
   final List<Widget>? actions;
 
+  /// 标题是否居中；false 时左对齐，紧随返回按钮。
+  final bool centerTitle;
+  final double? titleSpacing;
+
   @override
   Size get preferredSize => const Size.fromHeight(kToolbarHeight);
 
@@ -33,7 +39,8 @@ class AppPageBar extends StatelessWidget implements PreferredSizeWidget {
       backgroundColor: Colors.transparent,
       elevation: 0,
       scrolledUnderElevation: 0,
-      centerTitle: true,
+      centerTitle: centerTitle,
+      titleSpacing: titleSpacing,
       systemOverlayStyle: SystemUiOverlayStyle.light,
       flexibleSpace: SizedBox.expand(
         child: Image.asset(