style(empty): 放大空状态图标并降低亮度

lib/core/widgets/empty_state.dart

@@ -5,8 +5,8 @@ import 'package:flutter/material.dart';
 import '../theme/app_colors.dart';
 import '../theme/app_dimens.dart';
 
-const double _regularIconSize = 48;
-const double _compactIconSize = 32;
+const double _regularIconSize = 72;
+const double _compactIconSize = 44;
 const double _maxContentWidth = 260;
 const double _regularHorizontal = 24;
 const double _regularVertical = 28;
@@ -78,7 +78,7 @@ class EmptyState extends StatelessWidget {
   }
 }
 
-/// 空状态只留一枚图标，不加水印底和描边。
+/// 空列表只放一枚大图标，不画线框，也不铺底色。
 class _EmptyMark extends StatelessWidget {
   const _EmptyMark({required this.icon, required this.compact});
 
@@ -91,7 +91,7 @@ class _EmptyMark extends StatelessWidget {
       icon,
       key: const Key('empty-state-icon'),
       size: compact ? _compactIconSize : _regularIconSize,
-      color: AppColors.blueSoft,
+      color: AppColors.subtle,
     );
   }
 }