设置页面，调些细节

Assets/Resources/UI/Control/PFUIDropdown.prefab

@@ -168,7 +168,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.13725491, g: 0.13725491, b: 0.1764706, a: 1}
   m_RaycastTarget: 1
   m_Maskable: 1
   m_OnCullStateChanged:
@@ -908,7 +908,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.20784314, g: 0.20784314, b: 0.2627451, a: 1}
   m_RaycastTarget: 1
   m_Maskable: 1
   m_OnCullStateChanged: