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,
   );

flutter_monisuo/lib/ui/components/coin_card.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
+import '../../core/constants/app_colors.dart';
 
 /// 币种卡片组件 - 用于显示币种信息
 class CoinCard extends StatelessWidget {
@@ -11,10 +12,6 @@ class CoinCard extends StatelessWidget {
   final String? icon;
   final VoidCallback? onTap;
 
-  // 颜色常量
-  static const upColor = Color(0xFF00C853);
-  static const downColor = Color(0xFFFF5252);
-
   const CoinCard({
     super.key,
     required this.code,
@@ -78,13 +75,13 @@ class CoinCard extends StatelessWidget {
             Container(
               padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
               decoration: BoxDecoration(
-                color: isUp ? upColor.withOpacity(0.2) : downColor.withOpacity(0.2),
+                color: AppColors.getChangeBackgroundColor(isUp),
                 borderRadius: BorderRadius.circular(6),
               ),
               child: Text(
                 change,
                 style: TextStyle(
-                  color: isUp ? upColor : downColor,
+                  color: AppColors.getChangeColor(isUp),
                   fontWeight: FontWeight.w600,
                 ),
               ),