diff --git a/src/Mod/FreeCADExchange/AutoRouting.py b/src/Mod/FreeCADExchange/AutoRouting.py
index 3ff04f4..9d23d76 100644
--- a/src/Mod/FreeCADExchange/AutoRouting.py
+++ b/src/Mod/FreeCADExchange/AutoRouting.py
@@ -876,14 +876,19 @@ def detect_collisions(points, obstacles, ignored_segment_indices=None):
         end = points[index + 1]
         for obstacle in obstacles:
             if _segment_intersects_bbox(start, end, obstacle["bbox"]):
+                raw_bbox = obstacle.get("raw_bbox") or obstacle.get("bbox") or {}
+                collision_kind = "HardIntersection"
+                if raw_bbox and not _segment_intersects_bbox(start, end, raw_bbox):
+                    collision_kind = "ClearanceWarning"
                 collisions.append(
                     {
                         "segment_index": index,
                         "segment_start": _point_payload(start),
                         "segment_end": _point_payload(end),
+                        "collision_kind": collision_kind,
                         "obstacle_name": obstacle.get("name", ""),
                         "obstacle_label": obstacle.get("label", ""),
-                        "obstacle_bbox": dict(obstacle.get("raw_bbox") or obstacle.get("bbox") or {}),
+                        "obstacle_bbox": dict(raw_bbox),
                         "collision_bbox": dict(obstacle.get("bbox", {}) or {}),
                     }
                 )
@@ -1366,12 +1371,21 @@ def format_eplan_connection_route_report(report):
             or collision_sample.get("obstacle_name")
             or "未知对象"
         )
-        message += "\n碰撞示例：导线 {0} 碰到 {1}。".format(
+        wire_text = (
             collision_sample.get("wire_label")
             or collision_sample.get("wire_uuid")
-            or "未知导线",
-            obstacle_text,
+            or "未知导线"
         )
+        if collision_sample.get("collision_kind") == "ClearanceWarning":
+            message += "\n碰撞示例：导线 {0} 进入 {1} 的安全间隙。".format(
+                wire_text,
+                obstacle_text,
+            )
+        else:
+            message += "\n碰撞示例：导线 {0} 碰到 {1}。".format(
+                wire_text,
+                obstacle_text,
+            )
     auto_bound = report.get("auto_bound_terminals", 0)
     auto_created = report.get("auto_created_terminals", 0)
     if auto_bound or auto_created:
diff --git a/tests/python/freecad_exchange_auto_routing_test.py b/tests/python/freecad_exchange_auto_routing_test.py
index 29ef297..82baa0a 100644
--- a/tests/python/freecad_exchange_auto_routing_test.py
+++ b/tests/python/freecad_exchange_auto_routing_test.py
@@ -1074,6 +1074,36 @@ class AutoRoutingTest(unittest.TestCase):
         self.assertEqual("CollisionWarning", result["route_status"])
         self.assertEqual("CollisionWarning", result["wire"].RouteStatus)
         self.assertEqual(1, result["collision_count"])
+        self.assertEqual("HardIntersection", result["collisions"][0]["collision_kind"])
+
+    def test_eplan_connection_route_marks_clearance_warning_against_expanded_obstacle_bbox(self):
+        _install_fake_freecad()
+        terminal_objects, _wiring_objects, routing_network, auto_routing = _reload_modules()
+        app = sys.modules["FreeCAD"]
+        doc = FakeDocument()
+        terminal_objects.ensure_root_group(doc, "project-1")
+        start = _terminal(doc, terminal_objects, "TerminalStart", "terminal-start", app.Vector(0, 0, 0))
+        end = _terminal(doc, terminal_objects, "TerminalEnd", "terminal-end", app.Vector(100, 0, 0))
+        routing_network.create_route_carrier(
+            doc,
+            [app.Vector(0, 0, 100), app.Vector(100, 0, 100)],
+            project_uuid="project-1",
+        )
+        obstacle = doc.addObject("Part::Feature", "NearObstacle")
+        obstacle.Shape = FakeShape(FakeBoundBox(40, 60, 3, 6, 90, 110))
+
+        result = auto_routing.route_eplan_connection_between_terminals(
+            doc,
+            start,
+            end,
+            options={"obstacle_clearance": 5.0},
+        )
+
+        self.assertEqual("CollisionWarning", result["route_status"])
+        self.assertEqual(1, result["collision_count"])
+        self.assertEqual("ClearanceWarning", result["collisions"][0]["collision_kind"])
+        self.assertEqual(3.0, result["collisions"][0]["obstacle_bbox"]["ymin"])
+        self.assertEqual(-2.0, result["collisions"][0]["collision_bbox"]["ymin"])
 
     def test_eplan_connection_route_ignores_terminal_exit_segment_collision(self):
         _install_fake_freecad()
@@ -1432,6 +1462,7 @@ class AutoRoutingTest(unittest.TestCase):
         self.assertEqual("wire-1", report["collision_samples"][0]["wire_uuid"])
         self.assertEqual("N4111", report["collision_samples"][0]["wire_label"])
         self.assertEqual("MiddleObstacle", report["collision_samples"][0]["obstacle_name"])
+        self.assertEqual("HardIntersection", report["collision_samples"][0]["collision_kind"])
         self.assertEqual({"x": 0.0, "y": 0.0, "z": 100.0}, report["collision_samples"][0]["segment_start"])
         self.assertEqual({"x": 100.0, "y": 0.0, "z": 100.0}, report["collision_samples"][0]["segment_end"])
         self.assertEqual(40.0, report["collision_samples"][0]["obstacle_bbox"]["xmin"])
@@ -1501,6 +1532,27 @@ class AutoRoutingTest(unittest.TestCase):
         self.assertIn("首个错误：没有可用的线槽/路由路径网络", message)
         self.assertIn("缺失示例：terminal-a -> terminal-b", message)
 
+    def test_route_eplan_connections_report_calls_out_clearance_collision_kind(self):
+        _install_fake_freecad()
+        _terminal_objects, _wiring_objects, _routing_network, auto_routing = _reload_modules()
+        report = {
+            "routed": 1,
+            "collision_warnings": 1,
+            "skipped_missing_terminal": 0,
+            "collision_samples": [
+                {
+                    "wire_label": "N4111",
+                    "obstacle_label": "柜体侧板",
+                    "collision_kind": "ClearanceWarning",
+                }
+            ],
+        }
+
+        message = auto_routing.format_eplan_connection_route_report(report)
+
+        self.assertIn("安全间隙", message)
+        self.assertIn("柜体侧板", message)
+
     def test_route_eplan_connections_report_ignores_non_numeric_status_counts(self):
         _install_fake_freecad()
         _terminal_objects, _wiring_objects, _routing_network, auto_routing = _reload_modules()