更新，spine和很多优化

Assets/scripts/UI/PauseManager.cs

@@ -1,4 +1,4 @@
-using UnityEngine;
+using UnityEngine;
 using System;
 using System.Collections;
 using UnityEngine.SceneManagement;
@@ -72,7 +72,22 @@ public class PauseManager : MonoBehaviour
         ResolveOverlayRootForPausePrefab();
         EnsureOverlayCanvasGroup();
         EnsureOverlayPanelRoot();
-        SetOverlayVisibleImmediate(false);
+        
+        // Ensure CanvasGroup is initialized to 0 alpha, but keep interactable/blocksRaycasts true
+        if (overlayCanvasGroup != null)
+        {
+            overlayCanvasGroup.alpha = 0f;
+            overlayCanvasGroup.interactable = true;
+            overlayCanvasGroup.blocksRaycasts = true;
+        }
+
+        // Initialize buttons but DO NOT call SetOverlayVisibleImmediate(false) here 
+        // because it would reset the flags we just set.
+        // Instead, we manually ensure the object is active if that's the desired initial state, 
+        // or just rely on the alpha=0 to hide it. 
+        // Assuming user wants the object active but transparent:
+        if (overlayRoot != null) overlayRoot.SetActive(true);
+
         TryBindButtons(force: true);
     }
 
@@ -96,9 +111,16 @@ public class PauseManager : MonoBehaviour
         if (Input.GetKeyDown(KeyCode.Escape))
         {
             // User requested ESC as pause trigger in gameplay only.
-            if (CanPauseFromInput() && !IsPaused)
+            if (CanPauseFromInput())
             {
-                Pause(true);
+                if (!IsPaused)
+                {
+                    Pause(true);
+                }
+                else
+                {
+                    Pause(false);
+                }
             }
         }
 
@@ -118,13 +140,47 @@ public class PauseManager : MonoBehaviour
             IsPaused = true;
             Time.timeScale = 0f;
             OnPauseStateChanged?.Invoke(true);
+            
             // Startup flows call Pause(true) before real gameplay starts.
             // In that phase we keep time paused but do not show pause UI.
-            bool allowOverlay = CanPauseFromInput();
+            
+            // Calculate allowOverlay WITHOUT checking IsPaused (since we just set it to true).
+            bool allowOverlay = true;
+            if (onlyInGameplayScene && !IsGameplaySceneActive()) allowOverlay = false;
+            else if (requirePlaybackStarted)
+            {
+                var gm = FindAnyObjectByType<GameManager>();
+                // If GM missing or playback not started, don't show overlay yet
+                if (gm != null && !gm.PlaybackStarted) allowOverlay = false;
+            }
+
             if (allowOverlay)
+            {
                 ShowOverlayAnimated(true);
+            }
             else
-                SetOverlayVisibleImmediate(false);
+            {
+                // Startup Pause State:
+                // Keep object active and blocking raycasts (per user request), but invisible.
+                if (overlayRoot != null) overlayRoot.SetActive(true);
+                
+                if (overlayCanvasGroup != null)
+                {
+                    overlayCanvasGroup.alpha = 0f;
+                    overlayCanvasGroup.interactable = true;
+                    overlayCanvasGroup.blocksRaycasts = true;
+                }
+                
+                if (overlayPanelCanvasGroup != null)
+                {
+                    overlayPanelCanvasGroup.alpha = 0f;
+                    overlayPanelCanvasGroup.interactable = true;
+                    overlayPanelCanvasGroup.blocksRaycasts = true;
+                }
+                
+                if (overlayPanelRoot != null)
+                    overlayPanelRoot.localScale = PanelHiddenScale;
+            }
         }
         else
         {
@@ -186,19 +242,30 @@ public class PauseManager : MonoBehaviour
 
         var gm = FindAnyObjectByType<GameManager>();
         if (gm == null) return false;
+        
+        // If already paused, allow input to unpause regardless of PlaybackStarted state
+        if (IsPaused) return true;
+
         return gm.PlaybackStarted;
     }
 
     private void EnsureOverlayCanvasGroup()
     {
         if (overlayRoot == null) return;
-        overlayCanvasGroup = overlayRoot.GetComponent<CanvasGroup>();
-        if (overlayCanvasGroup == null)
+        
+        // Priority: Use existing CanvasGroup if available (Index first)
+        if (!overlayRoot.TryGetComponent(out overlayCanvasGroup))
+        {
+            // Fallback: Create only if not found
             overlayCanvasGroup = overlayRoot.AddComponent<CanvasGroup>();
+        }
     }
 
     private void ResolveOverlayRootForPausePrefab()
     {
+        // Priority: If manually assigned in Inspector, respect it.
+        if (overlayRoot != null) return;
+
         if (!preferPausePrefabOverWhiteScreen) return;
         // Prefer the real pause prefab root (contains Continue/Replay/Exit).
         GameObject pauseRoot = FindPauseMenuRootInScene();