feat: chanraotuibu交互+摄像机直切+顺序调整+高度修正

- 新增ChanraoTuibuHandler: 蓝色矩形闪烁描边, 点击显示模型+激活ping.004
- AudioManager.SwitchToCamera3: 移除淡入淡出改为直接切换
- TouchPositionHandler: point1→激活chanraotuibu(非ping.004)
- PingClickHandler高度offset改为0.05f

Assets/Scripts/Interaction/ChanraoTuibuHandler.cs

@@ -0,0 +1,72 @@
+using UnityEngine;
+
+/// <summary>
+/// 挂在 chanraotuibu 对象上。蓝色矩形闪烁描边，点击显示模型并激活下个对象（ping.004）。
+/// </summary>
+public class ChanraoTuibuHandler : MonoBehaviour
+{
+    public GameObject nextObject;
+
+    private MeshRenderer _meshRenderer;
+    private LineRenderer _outlineRenderer;
+
+    void OnEnable()
+    {
+        _meshRenderer = GetComponent<MeshRenderer>();
+        if (_meshRenderer == null) _meshRenderer = GetComponentInChildren<MeshRenderer>();
+        if (_meshRenderer != null) _meshRenderer.enabled = false;
+        CreateBlueOutline();
+        StopAllCoroutines();
+        StartCoroutine(BlinkOutline());
+    }
+
+    void CreateBlueOutline()
+    {
+        if (_outlineRenderer != null) return;
+        var ringGo = new GameObject("BlueRing");
+        ringGo.transform.SetParent(transform, false);
+        _outlineRenderer = ringGo.AddComponent<LineRenderer>();
+        _outlineRenderer.useWorldSpace = true;
+        _outlineRenderer.loop = true;
+        _outlineRenderer.startWidth = 0.015f;
+        _outlineRenderer.endWidth = 0.015f;
+        _outlineRenderer.material = new Material(Shader.Find("Unlit/Color"));
+        _outlineRenderer.material.color = new Color(0.2f, 0.5f, 1f);
+        _outlineRenderer.startColor = new Color(0.2f, 0.5f, 1f);
+        _outlineRenderer.endColor = new Color(0.2f, 0.5f, 1f);
+
+        // 基于模型 Bounds 画矩形
+        Bounds b;
+        if (_meshRenderer != null) b = _meshRenderer.bounds;
+        else b = new Bounds(transform.position, new Vector3(0.3f, 0.01f, 0.3f));
+        float y = b.max.y + 0.05f;
+        Vector3 p0 = new Vector3(b.min.x, y, b.min.z);
+        Vector3 p1 = new Vector3(b.min.x, y, b.max.z);
+        Vector3 p2 = new Vector3(b.max.x, y, b.max.z);
+        Vector3 p3 = new Vector3(b.max.x, y, b.min.z);
+        _outlineRenderer.positionCount = 5;
+        _outlineRenderer.SetPosition(0, p0);
+        _outlineRenderer.SetPosition(1, p1);
+        _outlineRenderer.SetPosition(2, p2);
+        _outlineRenderer.SetPosition(3, p3);
+        _outlineRenderer.SetPosition(4, p0);
+    }
+
+    System.Collections.IEnumerator BlinkOutline()
+    {
+        while (true)
+        {
+            if (_outlineRenderer != null) _outlineRenderer.enabled = !_outlineRenderer.enabled;
+            yield return new WaitForSeconds(0.4f);
+        }
+    }
+
+    void OnMouseDown()
+    {
+        Debug.Log($"[ChanraoTuibu] {name} 被点击");
+        StopAllCoroutines();
+        if (_meshRenderer != null) _meshRenderer.enabled = true;
+        if (_outlineRenderer != null) _outlineRenderer.enabled = true;
+        if (nextObject != null) { nextObject.SetActive(true); Debug.Log($"[ChanraoTuibu] → {nextObject.name} 已激活"); }
+    }
+}

Assets/Scripts/Interaction/ChanraoTuibuHandler.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2cf6b55fd9d5146c8a2ba5d06dc8466d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Interaction/PingClickHandler.cs

@@ -56,7 +56,7 @@ public class PingClickHandler : MonoBehaviour
         Bounds b;
         if (_meshRenderer != null) b = _meshRenderer.bounds;
         else b = new Bounds(transform.position, new Vector3(0.3f, 0.01f, 0.3f));
-        float y = _meshRenderer != null ? _meshRenderer.bounds.max.y + 0.02f : transform.position.y + 0.1f;
+        float y = _meshRenderer != null ? _meshRenderer.bounds.max.y + 0.05f : transform.position.y + 0.1f;
         Vector3 p0 = new Vector3(b.min.x, y, b.min.z);
         Vector3 p1 = new Vector3(b.min.x, y, b.max.z);
         Vector3 p2 = new Vector3(b.max.x, y, b.max.z);

Assets/Scripts/Interaction/TouchPositionHandler.cs

@@ -68,22 +68,21 @@ public class TouchPositionHandler : MonoBehaviour
         if (transform.GetSiblingIndex() == 0)
             {
             var amCam = FindObjectOfType<AudioManager>();
-            if (amCam != null) amCam.SwitchToCamera3Smooth();
+            if (amCam != null) amCam.SwitchToCamera3();
         }
 
         int stepIndex = transform.GetSiblingIndex() + 1;
         var sm = FindObjectOfType<StepManager>();
         if (sm != null) sm.RecordWomanStep(stepIndex);
 
-        // point1 点击后激活第一个 ping
+        // point1 点击后先激活 chanraotuibu
         if (stepIndex == 1)
         {
             var mi = GameObject.Find("manInjury");
             if (mi != null)
             {
-                var ping4 = mi.transform.Find("ping.004");
-                if (ping4 != null) { ping4.gameObject.SetActive(true); Debug.Log("[TouchPosition] ping.004 已激活"); }
-                FindObjectOfType<StepManager>()?.InitPingSteps();
+                var ct = mi.transform.Find("chanraotuibu");
+                if (ct != null) { ct.gameObject.SetActive(true); Debug.Log("[TouchPosition] chanraotuibu 已激活"); }
             }
         }