fix(huoshan): 修复完成态文字粒子贴边出屏

Co-authored-by: Cursor <cursoragent@cursor.com>

Assets/Scripts/MiniGame/HuoShan/Language/LanguageParticleManager.cs

@@ -125,9 +125,9 @@ namespace AibisDream.MiniGame.Language
         [Tooltip("可选：场景中一块与屏幕内框对齐的 RectTransform（World Space Canvas 子物体即可）。不指定则用粒子用的 movementBounds（canvasSize - textMargin）")]
         [SerializeField] private RectTransform completionScreenClipRect;
         [Tooltip("在裁剪区基础上再向内缩进的世界单位距离，避免放大后的字半个挂在边外")]
-        [SerializeField] private float completionClipEdgePadding = 0.2f;
+        [SerializeField] private float completionClipEdgePadding = 0.35f;
         [Tooltip("屏幕内容的最小安全边距；最终边距还会根据字形、光晕、圆环和晃动幅度动态增大。")]
-        [SerializeField, Min(0f)] private float minimumScreenMargin = 0.12f;
+        [SerializeField, Min(0f)] private float minimumScreenMargin = 0.2f;
         [Tooltip("将目标粒子拉回屏幕裁剪区时的平滑时间（越大越柔和，略增加拖尾感）")]
         [SerializeField, Range(0.02f, 0.55f)] private float completionPositionSmoothTime = 0.2f;
 
@@ -1051,24 +1051,30 @@ namespace AibisDream.MiniGame.Language
         {
             float padding = Mathf.Max(minimumScreenMargin, completionClipEdgePadding);
             float glyphExtent = 0f;
+            float maxScale = 1f;
 
             foreach (CandidateParticle particle in targetParticles)
             {
                 if (particle == null)
                     continue;
 
+                maxScale = Mathf.Max(maxScale, particle.transform.localScale.x, particle.transform.localScale.y);
+
                 if (particle.textMesh != null && particle.textMesh.renderer != null)
                 {
                     Bounds textBounds = particle.textMesh.renderer.bounds;
                     glyphExtent = Mathf.Max(glyphExtent, textBounds.extents.x, textBounds.extents.y);
                 }
-
             }
 
-            float zoomedGlyph = glyphExtent * Mathf.Max(1f, focusZoomScale);
-            float shakeExtent = Mathf.Max(shuffleDistance, nonTargetShakeIntensity, completionPositionSmoothTime * 0.1f);
+            // renderer.bounds 已含当前缩放；未放大到 focusZoom 时再预留缩放余量，避免重复乘 zoom
+            float resolvedGlyph = maxScale >= focusZoomScale * 0.9f
+                ? glyphExtent
+                : glyphExtent * Mathf.Max(1f, focusZoomScale);
+            // 抖动/漂浮是局部偏移，硬钳制根节点后仍可能露出字形一角，留一点余量即可
+            float floatAllowance = Mathf.Max(0.04f, focusInterferenceShakeAmplitude * 0.35f);
 
-            float horizontal = Mathf.Max(padding, zoomedGlyph, shakeExtent);
+            float horizontal = padding + resolvedGlyph + floatAllowance;
             return new Vector2(horizontal, horizontal);
         }
 
@@ -1635,8 +1641,10 @@ namespace AibisDream.MiniGame.Language
                                         Mathf.Lerp(1f, 0.12f, gather);
                 Vector3 edgeJitter = CalculateLieEdgeJitter(visual, compression);
                 visual.scatterOffset = Vector3.Lerp(visual.scatterOffset, Vector3.zero, Time.deltaTime * 5.5f);
-                visual.particle.transform.position =
-                    compressedPosition + shuffleOffset + edgeJitter + visual.scatterOffset;
+                // 硬钳制：shuffle/jitter 会顶出裁剪区，仅靠 LateUpdate SmoothDamp 追不上，字会贴边甚至出屏
+                visual.particle.transform.position = ClampPositionToBounds(
+                    compressedPosition + shuffleOffset + edgeJitter + visual.scatterOffset,
+                    GetCompletionClipBounds());
 
                 // 锁字判定用原始进度：target=0.92 时阈值 0.95 的最后一个字永远锁不住
                 UpdateTruthGatherLock(visual, truthGatherProgress, visualCount);
@@ -1843,7 +1851,9 @@ namespace AibisDream.MiniGame.Language
                 Vector3 dynamicTarget = GetDynamicArrangementTarget(visual, arrangementProgress, localTime);
                 Vector3 targetPosition = Vector3.Lerp(visual.focusPosition, dynamicTarget, Mathf.SmoothStep(0f, 1f, arrangementProgress));
                 Vector3 shuffleOffset = CalculateShuffleOffset(visual, arrangementProgress, localTime);
-                visual.particle.transform.position = targetPosition + shuffleOffset;
+                visual.particle.transform.position = ClampPositionToBounds(
+                    targetPosition + shuffleOffset,
+                    GetCompletionClipBounds());
 
                 if (!visual.stabilized && probabilityProgress >= 1f)
                 {