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_88.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={
-b4l(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zk(v,u)
+b4v(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zo(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bnC(u)
+v.r=A.bnP(u)
 return u},
-bmi(d,e){var y
+bmv(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0a18\u0a70\u0a1f\u0a47"
 break A}if("timePicker.minutes"===e){y="\u0a2e\u0a3f\u0a70\u0a1f"
 break A}if("timePicker.seconds"===e){y="\u0a38\u0a15\u0a3f\u0a70\u0a1f"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0a38\u0a2d \u0a1a\u0a41\u0a23\u0a4b"
 break A}if("keyboardToolbar.done"===e){y="\u0a39\u0a4b \u0a17\u0a3f\u0a06"
 break A}y=null
 break A}return y},
-bnC(d){return new A.aSz(d)},
-Zk:function Zk(d,e){var _=this
+bnP(d){return new A.aSH(d)},
+Zo:function Zo(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOF:function aOF(){},
-aSz:function aSz(d){this.a=d},
-aal:function aal(){}}
+aOL:function aOL(){},
+aSH:function aSH(d){this.a=d},
+aap:function aap(){}}
 B=c[0]
 A=a.updateHolder(c[59],A)
-A.Zk.prototype={
+A.Zo.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOF()}return x},
+x=y.z=new A.aOL()}return x},
 gb9(){return this.r}}
-A.aOF.prototype={
+A.aOL.prototype={
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 gbg(){return"\u0a15\u0a3e\u0a2a\u0a40 \u0a15\u0a30\u0a4b"},
 gbi(){return"\u0a2a\u0a47\u0a38\u0a1f \u0a15\u0a30\u0a4b"},
 gbe(){return"\u0a38\u0a2d \u0a1a\u0a41\u0a23\u0a4b"}}
-A.aal.prototype={}
+A.aap.prototype={}
 var z=a.updateTypes([])
-A.aSz.prototype={
-$1(d){return A.bmi(this.a,d)},
+A.aSH.prototype={
+$1(d){return A.bmv(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aal,B.a_)
-x(A.Zk,A.aal)
-x(A.aOF,B.aZ)
-x(A.aSz,B.aR)
-y(A.aal,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zk":{"a_":[]}}'))};
-(a=>{a["dI9vAXfVuvEYDFuoPGXt/1dEGU4="]=a.current})($__dart_deferred_initializers__);
+x(A.aap,B.a_)
+x(A.Zo,A.aap)
+x(A.aOL,B.aZ)
+x(A.aSH,B.aR)
+y(A.aap,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Zo":{"a_":[]}}'))};
+(a=>{a["yRItHu5hrLib9mDbBjr8URiWEYc="]=a.current})($__dart_deferred_initializers__);