v10 全量评审：修复 TD-06 至 TD-12（InputReader 移除资产扫描回退 / EmergencySave 解除 LocalFileStorage 直接依赖 / AccessibilityManager 注册 IAccessibilityService / HUDController HP/SpringIcon SetActive 复用 / MovingPlatform 缓存 WaitForSeconds / RewardSO IRewardTarget 解耦 Quest←Player 依赖 / CrashReporter 频率限制崩溃日志）

Assets/Scripts/UI/FloatingDamageText.cs

@@ -18,14 +18,20 @@ namespace BaseGames.UI
         [SerializeField] private float     _floatDistance = 1.5f;
         [SerializeField] private float     _duration      = 0.8f;
 
-        private UnityEngine.Camera _cam;
+        /// <summary>
+        /// 父级 Canvas（用于 RectTransformUtility 坐标转换）。
+        /// 适配所有 Canvas 渲染模式（Overlay / Camera / World Space），
+        /// Screen Space - Overlay 时可传 null（会自动 fallback 到 null camera）。
+        /// </summary>
+        [SerializeField] private Canvas _parentCanvas;
+
         private RectTransform _rectTransform;
         private Coroutine _animCoroutine;
 
         private void Awake()
         {
             _rectTransform = (RectTransform)transform;
-            _cam = UnityEngine.Camera.main;
+            // 不在 Awake 缓存 Camera.main，避免 Boss 过场切换主摄像机后引用过期
         }
 
         /// <summary>
@@ -39,16 +45,36 @@ namespace BaseGames.UI
             _text.text  = damage.ToString();
             _text.color = GetColorForType(type);
 
-            // 将世界坐标转为屏幕坐标
-            if (_cam != null)
-            {
-                Vector2 screenPos = _cam.WorldToScreenPoint(worldPosition);
-                _rectTransform.anchoredPosition = screenPos;
-            }
-
+            SetAnchoredPosition(worldPosition);
             _animCoroutine = StartCoroutine(FloatAndFade(worldPosition));
         }
 
+        private void SetAnchoredPosition(Vector2 worldPosition)
+        {
+            var cam = (_parentCanvas != null && _parentCanvas.renderMode == RenderMode.ScreenSpaceCamera)
+                ? _parentCanvas.worldCamera
+                : UnityEngine.Camera.main;
+
+            var screenPoint = UnityEngine.Camera.main != null
+                ? (Vector2)UnityEngine.Camera.main.WorldToScreenPoint(worldPosition)
+                : Vector2.zero;
+
+            var canvasRect = _parentCanvas != null
+                ? (RectTransform)_parentCanvas.transform
+                : null;
+
+            if (canvasRect != null)
+            {
+                RectTransformUtility.ScreenPointToLocalPointInRectangle(
+                    canvasRect, screenPoint, cam, out var localPoint);
+                _rectTransform.anchoredPosition = localPoint;
+            }
+            else
+            {
+                _rectTransform.anchoredPosition = screenPoint;
+            }
+        }
+
         private IEnumerator FloatAndFade(Vector2 startWorld)
         {
             float elapsed  = 0f;
@@ -59,10 +85,7 @@ namespace BaseGames.UI
             {
                 float t = elapsed / _duration;
 
-                // 向上飘动（屏幕坐标）
-                Vector2 currentWorld = startWorld + new Vector2(0, _floatDistance * t);
-                if (_cam != null)
-                    _rectTransform.anchoredPosition = (Vector2)_cam.WorldToScreenPoint(currentWorld);
+                SetAnchoredPosition(startWorld + new Vector2(0, _floatDistance * t));
 
                 // alpha 淡出（后半段开始）
                 _text.color = new Color(color.r, color.g, color.b,