优化

flutter_monisuo/lib/ui/components/asset_card.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
-import 'package:flutter_animate/flutter_animate.dart';
+import '../../core/theme/app_colors.dart';
 
 /// 资产卡片组件 - 用于显示资产总览
 class AssetCard extends StatelessWidget {
@@ -13,9 +13,9 @@ class AssetCard extends StatelessWidget {
   final Gradient? gradient;
   final VoidCallback? onTap;
 
-  // 默认渐变色
+  // 默认渐变色 - 使用品牌蓝
   static const defaultGradient = LinearGradient(
-    colors: [Color(0xFF00D4AA), Color(0xFF00B894)],
+    colors: [Color(0xFF2563EB), Color(0xFF1D4ED8)],
     begin: Alignment.topLeft,
     end: Alignment.bottomRight,
   );