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_65.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={
 b5v(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.ZX(v,u)
+u=new A.ZW(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="\u10e7\u10d5\u10d4\u10da\u10d0\u10e4\u10e0\
 break A}if("keyboardToolbar.done"===e){y="\u10db\u10d6\u10d0\u10d3\u10d0\u10d0"
 break A}y=null
 break A}return y},
-bpn(d){return new A.aUo(d)},
-ZX:function ZX(d,e){var _=this
+bpn(d){return new A.aUp(d)},
+ZW:function ZW(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aPZ:function aPZ(){},
-aUo:function aUo(d){this.a=d},
-ab0:function ab0(){}}
+aQ_:function aQ_(){},
+aUp:function aUp(d){this.a=d},
+ab_:function ab_(){}}
 B=c[0]
 A=a.updateHolder(c[39],A)
-A.ZX.prototype={
+A.ZW.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb8(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aPZ()}return x},
+x=y.z=new A.aQ_()}return x},
 gbc(){return this.r}}
-A.aPZ.prototype={
+A.aQ_.prototype={
 gbi(){return"\u10d0\u10db\u10dd\u10ed\u10e0\u10d0"},
 gbh(){return"\u10d9\u10dd\u10de\u10d8\u10e0\u10d4\u10d1\u10d0"},
 gbj(){return"\u10e9\u10d0\u10e1\u10db\u10d0"},
 gbf(){return"\u10e7\u10d5\u10d4\u10da\u10d0\u10e4\u10e0\u10d8\u10e1 \u10db\u10dd\u10dc\u10d8\u10e8\u10d5\u10dc\u10d0"}}
-A.ab0.prototype={}
+A.ab_.prototype={}
 var z=a.updateTypes([])
-A.aUo.prototype={
+A.aUp.prototype={
 $1(d){return A.bo3(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.ab0,B.a_)
-x(A.ZX,A.ab0)
-x(A.aPZ,B.b2)
-x(A.aUo,B.aU)
-y(A.ab0,B.b0)})()
-B.b8(b.typeUniverse,JSON.parse('{"ZX":{"a_":[]}}'))};
-(a=>{a["LDGMeXRICh5EJm3RF9tnO0XpKv4="]=a.current})($__dart_deferred_initializers__);
+x(A.ab_,B.a_)
+x(A.ZW,A.ab_)
+x(A.aQ_,B.b2)
+x(A.aUp,B.aU)
+y(A.ab_,B.b0)})()
+B.b8(b.typeUniverse,JSON.parse('{"ZW":{"a_":[]}}'))};
+(a=>{a["HNzZlobYuvjisUOAzWM6nI3Cmw0="]=a.current})($__dart_deferred_initializers__);