fix(ui): 对齐首页样式到 Pencil 设计规范

- Asset Card: padding 20px (was 24px)
- 充值按钮: cornerRadius 6px, padding [5,10], icon 13px, text 12px
- Quick Actions: 边框颜色 Light #E2E8F0, Dark #1E293B
- Quick Action Icons: 背景色 Light #F3F4F6, Dark #1E293B
- Quick Action Icons: 图标色 Light #4B5563
- cornerRadius: -lg (14px) for cards

flutter_monisuo/build/web/flutter_bootstrap.js

@@ -37,6 +37,6 @@ _flutter.buildConfig = {"engineRevision":"e4b8dca3f1b4ede4c30371002441c88c12187e
 
 _flutter.loader.load({
   serviceWorkerSettings: {
-    serviceWorkerVersion: "576740159" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
+    serviceWorkerVersion: "3091076511" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
   }
 });