feat: woman移动交互 + medicalBox显示 + ReturnToHome场景重置

- TouchPositionHandler: 点击touchArray球体→woman移动到womanPointArray对应位置
- medicalBox: 初始隐藏，实验开始后显示
- ReturnToHome: 重置场景(恢复man/man2, 隐藏woman/manInjury/medicalBox, 切回主摄像机, 重置Animator)
- ActivateExperimentObjects(): 实验启动时激活实验物件

Assets/Scripts/UI/PageController.cs

@@ -303,7 +303,7 @@ public class PageController : MonoBehaviour
             openingFlow.PlayOpeningFlow(() =>
             {
                 Debug.Log("PageController: 片头动画完成，显示 ExperimentPanel");
-                ShowPage(Page.Experiment);
+                ActivateExperimentObjects();                ShowPage(Page.Experiment);
 
                 var stepManager = FindObjectOfType<StepManager>();
                 if (stepManager != null)
@@ -331,9 +331,45 @@ public class PageController : MonoBehaviour
         }
     }
 
+    /// <summary>
+    /// 激活实验场景物件（medicalBox等），在动画完成后调用
+    /// </summary>
+    private void ActivateExperimentObjects()
+    {
+        Debug.Log("PageController: [ActivateExperimentObjects] 显示实验物件");
+        var medicalBox = GameObject.Find("medicalBox");
+        if (medicalBox != null) medicalBox.SetActive(true);
+    }
+
+
     public void ReturnToHome()
     {
-        Debug.Log("PageController: [ReturnToHome] 返回首页");
+        Debug.Log("PageController: [ReturnToHome] 返回首页并重置场景");
+
+        // 恢复 man 和 man2
+        var man = GameObject.Find("man");
+        if (man != null) man.SetActive(true);
+        var man2 = GameObject.Find("man2");
+        if (man2 != null) man2.SetActive(true);
+
+        // 隐藏实验专用物件
+        var woman = GameObject.Find("woman");
+        if (woman != null) woman.SetActive(false);
+        var manInjury = GameObject.Find("manInjury");
+        if (manInjury != null) manInjury.SetActive(false);
+        var medicalBox = GameObject.Find("medicalBox");
+        if (medicalBox != null) medicalBox.SetActive(false);
+
+        // 恢复主摄像机
+        var mainCam = Camera.main;
+        if (mainCam != null) mainCam.enabled = true;
+        var cam2 = GameObject.Find("camera2");
+        if (cam2 != null) { var c = cam2.GetComponent<Camera>(); if (c != null) c.enabled = false; }
+
+        // 重置 Animator 参数
+        var manAnim = man != null ? man.GetComponent<Animator>() : null;
+        if (manAnim != null) { manAnim.SetBool("IsStart", false); manAnim.SetBool("IsFull", false); }
+
         ShowPage(Page.Home);
     }