fix(ui): 对齐所有页面样式到 Pencil 设计规范

transfer_page.dart:
- 金色主题统一（Light: secondary #F59E0B, Dark: primary #D4AF37）
- 修复交换按钮和确认按钮颜色

home_page.dart:
- Asset Card 圆角 14px
- 总资产字号 28px (displayLarge)
- "预估总资产"字号 13px (bodyLarge)
- 盈亏标签/数值字重调整

quick_actions_row.dart:
- padding 统一为 16px

welfare_center_page.dart:
- _statusBadge padding [6, 14]

trade_form_card.dart / price_card.dart:
- 样式细节对齐

flutter_monisuo/build/web/main.dart.js_50.part.js

@@ -1,7 +1,7 @@
 ((a,b)=>{a[b]=a[b]||{}})(self,"$__dart_deferred_initializers__")
 $__dart_deferred_initializers__.current=function(a,b,c,$){var B,A={
 b5l(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.ZN(v,u)
+u=new A.ZM(v,u)
 u.bg(d,w,e,w)
 y=u.a
 x=v.r
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0aac\u0aa7\u0ac1\u0a82 \u0aaa\u0ab8\u0a82
 break A}if("keyboardToolbar.done"===e){y="\u0aa5\u0a88 \u0a97\u0aaf\u0ac1\u0a82"
 break A}y=null
 break A}return y},
-bpy(d){return new A.aUz(d)},
-ZN:function ZN(d,e){var _=this
+bpy(d){return new A.aUA(d)},
+ZM:function ZM(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aPP:function aPP(){},
-aUz:function aUz(d){this.a=d},
-aaR:function aaR(){}}
+aPQ:function aPQ(){},
+aUA:function aUA(d){this.a=d},
+aaQ:function aaQ(){}}
 B=c[0]
 A=a.updateHolder(c[29],A)
-A.ZN.prototype={
+A.ZM.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb8(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aPP()}return x},
+x=y.z=new A.aPQ()}return x},
 gbc(){return this.r}}
-A.aPP.prototype={
+A.aPQ.prototype={
 gbi(){return"\u0a95\u0abe\u0aaa\u0acb"},
 gbh(){return"\u0a95\u0ac9\u0aaa\u0abf \u0a95\u0ab0\u0acb"},
 gbj(){return"\u0aaa\u0ac7\u0ab8\u0acd\u0a9f \u0a95\u0ab0\u0acb"},
 gbf(){return"\u0aac\u0aa7\u0ac1\u0a82 \u0aaa\u0ab8\u0a82\u0aa6 \u0a95\u0ab0\u0acb"}}
-A.aaR.prototype={}
+A.aaQ.prototype={}
 var z=a.updateTypes([])
-A.aUz.prototype={
+A.aUA.prototype={
 $1(d){return A.boe(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aaR,B.a_)
-x(A.ZN,A.aaR)
-x(A.aPP,B.b2)
-x(A.aUz,B.aU)
-y(A.aaR,B.b0)})()
-B.b8(b.typeUniverse,JSON.parse('{"ZN":{"a_":[]}}'))};
-(a=>{a["pDutz1tQHxjE+zxIrdH9AmNrlIA="]=a.current})($__dart_deferred_initializers__);
+x(A.aaQ,B.a_)
+x(A.ZM,A.aaQ)
+x(A.aPQ,B.b2)
+x(A.aUA,B.aU)
+y(A.aaQ,B.b0)})()
+B.b8(b.typeUniverse,JSON.parse('{"ZM":{"a_":[]}}'))};
+(a=>{a["ujGsdenhLQRvgeU6XtevcPzI6Gk="]=a.current})($__dart_deferred_initializers__);