英文版本，pc分享功能，移动端fb分享，修改细节

Assets/Resources/UI/Prefab/Panel/ActivityAdPanel.prefab

@@ -298,8 +298,8 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 92.5, y: 131.5}
-  m_SizeDelta: {x: 29, y: 31}
+  m_AnchoredPosition: {x: 152, y: 251.5}
+  m_SizeDelta: {x: 46, y: 49}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!222 &525523089472465306
 CanvasRenderer:
@@ -714,7 +714,7 @@ RectTransform:
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
   m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 365, y: 365}
+  m_SizeDelta: {x: 584, y: 584}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!222 &6322400348156303082
 CanvasRenderer: