已修复：

实验课场地区块改为独立卡片布局，校区、教学楼和场地选择不再被嵌套表单挤压。
批量设置新增独立的“批量指定实验课场地”入口，包含场地性质、实验校区、教学楼和具体场地，并会联动筛选。
后端会保存并校验批量实验场地范围，避免跨校区/教学楼的无效设置。

tests/Jiaowu.Api.Tests/ScheduleSettingsControllerTests.cs

@@ -85,13 +85,19 @@ public sealed class ScheduleSettingsControllerTests
                 [classroom.Id],
                 false,
                 null,
-                null),
+                null,
+                UpdateExperimentClassroomScope: true,
+                AllowedExperimentVenueNatures: TeachingVenueNature.Laboratory,
+                AllowedExperimentClassroomIds: [classroom.Id],
+                ExperimentRequiredCampusId: campus.Id,
+                ExperimentRequiredBuildingId: building.Id),
             CancellationToken.None);
 
         Assert.IsType<OkObjectResult>(result);
         db.ChangeTracker.Clear();
         var constraints = await db.TeachingTaskScheduleConstraints
             .Include(item => item.AllowedClassrooms)
+            .Include(item => item.AllowedExperimentClassrooms)
             .OrderBy(item => item.TeachingTaskId)
             .ToListAsync();
         Assert.Equal(2, constraints.Count);
@@ -103,6 +109,11 @@ public sealed class ScheduleSettingsControllerTests
             Assert.Equal(
                 classroom.Id,
                 Assert.Single(constraint.AllowedClassrooms).ClassroomId);
+            Assert.Equal(campus.Id, constraint.ExperimentRequiredCampusId);
+            Assert.Equal(building.Id, constraint.ExperimentRequiredBuildingId);
+            Assert.Equal(
+                classroom.Id,
+                Assert.Single(constraint.AllowedExperimentClassrooms).ClassroomId);
         });
     }