feat: 为划转页面账户卡片添加位置互换动画

- 移除按钮旋转动画，保持按钮静止
- 两个账户卡片（从/到）平滑互换位置
- 使用 AnimatedSwitcher + FadeTransition + SlideTransition
- 动画时长 300ms，easeOut 曲线
- 上方卡片向上滑出，下方卡片向下滑入
- 视觉效果更流畅自然

flutter_monisuo/build/web/main.dart.js_79.part.js

@@ -1,15 +1,15 @@
 ((a,b)=>{a[b]=a[b]||{}})(self,"$__dart_deferred_initializers__")
 $__dart_deferred_initializers__.current=function(a,b,c,$){var B,A={
-b4d(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zc(v,u)
+b4n(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zg(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bnL(u)
+v.r=A.bnY(u)
 return u},
-bmr(d,e){var y
+bmE(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0924\u093e\u0938"
 break A}if("timePicker.minutes"===e){y="\u092e\u093f\u0928\u093f\u091f\u0947"
 break A}if("timePicker.seconds"===e){y="\u0938\u0947\u0915\u0902\u0926"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0938\u0930\u094d\u0935 \u0928\u093f\u0935
 break A}if("keyboardToolbar.done"===e){y="\u092a\u0942\u0930\u094d\u0923"
 break A}y=null
 break A}return y},
-bnL(d){return new A.aSI(d)},
-Zc:function Zc(d,e){var _=this
+bnY(d){return new A.aSQ(d)},
+Zg:function Zg(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOx:function aOx(){},
-aSI:function aSI(d){this.a=d},
-aad:function aad(){}}
+aOD:function aOD(){},
+aSQ:function aSQ(d){this.a=d},
+aah:function aah(){}}
 B=c[0]
 A=a.updateHolder(c[51],A)
-A.Zc.prototype={
+A.Zg.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOx()}return x},
+x=y.z=new A.aOD()}return x},
 gb9(){return this.r}}
-A.aOx.prototype={
+A.aOD.prototype={
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 gbg(){return"\u0915\u0949\u092a\u0940"},
 gbi(){return"\u092a\u0947\u0938\u094d\u091f"},
 gbe(){return"\u0938\u0930\u094d\u0935 \u0928\u093f\u0935\u0921\u093e"}}
-A.aad.prototype={}
+A.aah.prototype={}
 var z=a.updateTypes([])
-A.aSI.prototype={
-$1(d){return A.bmr(this.a,d)},
+A.aSQ.prototype={
+$1(d){return A.bmE(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aad,B.a_)
-x(A.Zc,A.aad)
-x(A.aOx,B.aZ)
-x(A.aSI,B.aR)
-y(A.aad,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zc":{"a_":[]}}'))};
-(a=>{a["WPAUdJRewS+TJVwf7ulPUu1ms8Q="]=a.current})($__dart_deferred_initializers__);
+x(A.aah,B.a_)
+x(A.Zg,A.aah)
+x(A.aOD,B.aZ)
+x(A.aSQ,B.aR)
+y(A.aah,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Zg":{"a_":[]}}'))};
+(a=>{a["gJ/omAe1CEy88lRexPDufWRF2rc="]=a.current})($__dart_deferred_initializers__);