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。

web/src/views/SchedulesView.vue

@@ -236,8 +236,17 @@ const batchFilteredClassrooms = computed(() =>
       item.buildingId === constraintBatchForm.requiredBuildingId),
   ),
 )
+const batchFilteredExperimentBuildings = computed(() =>
+  constraintBatchForm.experimentRequiredCampusId
+    ? buildings.value.filter((item) => item.campusId === constraintBatchForm.experimentRequiredCampusId)
+    : buildings.value,
+)
 const batchFilteredExperimentClassrooms = computed(() =>
-  batchFilteredClassrooms.value.filter((item) =>
+  classrooms.value.filter((item) =>
+    (!constraintBatchForm.experimentRequiredCampusId ||
+      item.campusId === constraintBatchForm.experimentRequiredCampusId) &&
+    (!constraintBatchForm.experimentRequiredBuildingId ||
+      item.buildingId === constraintBatchForm.experimentRequiredBuildingId) &&
     (!(constraintBatchForm.allowedExperimentVenueNatures ?? []).length ||
       (venueNatureValue(item.teachingVenueNature) &
         (constraintBatchForm.allowedExperimentVenueNatures ?? [])
@@ -405,6 +414,8 @@ function openConstraintBatch() {
     requiredBuildingId: undefined,
     allowedClassroomIds: [],
     updateExperimentClassroomScope: false,
+    experimentRequiredCampusId: undefined,
+    experimentRequiredBuildingId: undefined,
     allowedExperimentVenueNatures: [],
     allowedExperimentClassroomIds: [],
     updateDays: false,
@@ -463,6 +474,12 @@ async function saveConstraintBatch() {
         ? constraintBatchForm.allowedClassroomIds
         : null,
       updateExperimentClassroomScope,
+      experimentRequiredCampusId: updateExperimentClassroomScope
+        ? constraintBatchForm.experimentRequiredCampusId || null
+        : null,
+      experimentRequiredBuildingId: updateExperimentClassroomScope
+        ? constraintBatchForm.experimentRequiredBuildingId || null
+        : null,
       allowedExperimentVenueNatures: updateExperimentClassroomScope
         ? (constraintBatchForm.allowedExperimentVenueNatures ?? [])
           .reduce((value: number, nature: number) => value | nature, 0)
@@ -1299,7 +1316,8 @@ onBeforeUnmount(() => {
              </el-checkbox-group>
               <small class="field-hint">仅约束实验课；不勾选时可使用全部实验教学场地。</small>
             </el-form-item>
-            <el-form-item v-if="constraintForm.coursePracticeHours" label="实验课指定可用场地">
+            <section v-if="constraintForm.coursePracticeHours" class="experiment-classroom-scope">
+              <div class="experiment-classroom-scope__title">实验课指定可用场地</div>
               <div class="form-grid">
                 <el-form-item label="实验课限定校区">
                   <el-select v-model="constraintForm.experimentRequiredCampusId" clearable @change="constraintForm.experimentRequiredBuildingId = undefined; constraintForm.allowedExperimentClassroomIds = []">
@@ -1312,16 +1330,18 @@ onBeforeUnmount(() => {
                   </el-select>
                 </el-form-item>
               </div>
-              <el-select v-model="constraintForm.allowedExperimentClassroomIds" multiple filterable collapse-tags>
-                <el-option
-                  v-for="item in filteredExperimentClassrooms"
-                  :key="item.id"
-                  :label="`${item.buildingName} / ${item.name}（${item.roomType}，${item.capacity}人）`"
-                  :value="item.id"
-                />
-              </el-select>
-              <small class="field-hint">可在上方场地性质范围内指定实验室；不选择时按场地性质自动筛选。</small>
-            </el-form-item>
+              <el-form-item label="实验课指定可用场地">
+                <el-select v-model="constraintForm.allowedExperimentClassroomIds" multiple filterable collapse-tags>
+                  <el-option
+                    v-for="item in filteredExperimentClassrooms"
+                    :key="item.id"
+                    :label="`${item.buildingName} / ${item.name}（${item.roomType}，${item.capacity}人）`"
+                    :value="item.id"
+                  />
+                </el-select>
+                <small class="field-hint">可在上方场地性质范围内指定实验室；不选择时按场地性质自动筛选。</small>
+              </el-form-item>
+            </section>
         </template>
         <el-form-item label="允许上课日">
           <el-checkbox-group v-model="constraintForm.allowedDayOfWeeks">
@@ -1406,32 +1426,6 @@ onBeforeUnmount(() => {
                     <el-option v-for="item in batchFilteredBuildings" :key="item.id" :label="item.name" :value="item.id" />
                   </el-select>
                 </el-form-item>
-             </div>
-             <el-checkbox v-model="constraintBatchForm.updateExperimentClassroomScope">
-               批量指定实验课场地
-             </el-checkbox>
-             <div v-if="constraintBatchForm.updateExperimentClassroomScope" class="batch-classroom-scope">
-               <el-alert
-                 title="仅作用于含实验学时的教学任务；不选择具体场地时，按场地性质自动分配。"
-                 type="warning"
-                 :closable="false"
-                 show-icon
-               />
-               <el-form-item label="统一实验课允许的场地性质">
-                 <el-checkbox-group v-model="constraintBatchForm.allowedExperimentVenueNatures">
-                   <el-checkbox v-for="nature in experimentVenueNatures" :key="nature.value" :value="nature.value">{{ nature.label }}</el-checkbox>
-                 </el-checkbox-group>
-               </el-form-item>
-               <el-form-item label="统一实验课指定可用场地">
-                 <el-select v-model="constraintBatchForm.allowedExperimentClassroomIds" multiple filterable collapse-tags placeholder="不选择则允许符合性质的任意实验场地">
-                   <el-option
-                     v-for="item in batchFilteredExperimentClassrooms"
-                     :key="item.id"
-                     :label="`${item.buildingName} / ${item.name}（${item.roomType}，${item.capacity}人）`"
-                     :value="item.id"
-                   />
-                 </el-select>
-               </el-form-item>
              </div>
               <el-form-item label="统一指定可用教室">
                 <el-select
@@ -1452,6 +1446,52 @@ onBeforeUnmount(() => {
               </el-form-item>
             </div>
           </template>
+          <el-checkbox v-model="constraintBatchForm.updateExperimentClassroomScope">
+            批量指定实验课场地
+          </el-checkbox>
+          <div v-if="constraintBatchForm.updateExperimentClassroomScope" class="batch-classroom-scope">
+            <el-alert
+              title="仅作用于含实验学时的教学任务；不选择具体场地时，按场地性质自动分配。"
+              type="warning"
+              :closable="false"
+              show-icon
+            />
+            <el-form-item label="统一实验课允许的场地性质">
+              <el-checkbox-group v-model="constraintBatchForm.allowedExperimentVenueNatures">
+                <el-checkbox v-for="nature in experimentVenueNatures" :key="nature.value" :value="nature.value">{{ nature.label }}</el-checkbox>
+              </el-checkbox-group>
+            </el-form-item>
+            <div class="form-grid">
+              <el-form-item label="统一实验课限定校区">
+                <el-select
+                  v-model="constraintBatchForm.experimentRequiredCampusId"
+                  clearable
+                  @change="constraintBatchForm.experimentRequiredBuildingId = undefined; constraintBatchForm.allowedExperimentClassroomIds = []"
+                >
+                  <el-option v-for="item in campuses" :key="item.id" :label="item.name" :value="item.id" />
+                </el-select>
+              </el-form-item>
+              <el-form-item label="统一实验课限定教学楼">
+                <el-select
+                  v-model="constraintBatchForm.experimentRequiredBuildingId"
+                  clearable
+                  @change="constraintBatchForm.allowedExperimentClassroomIds = []"
+                >
+                  <el-option v-for="item in batchFilteredExperimentBuildings" :key="item.id" :label="item.name" :value="item.id" />
+                </el-select>
+              </el-form-item>
+            </div>
+            <el-form-item label="统一实验课指定可用场地">
+              <el-select v-model="constraintBatchForm.allowedExperimentClassroomIds" multiple filterable collapse-tags placeholder="不选择则允许符合性质的任意实验场地">
+                <el-option
+                  v-for="item in batchFilteredExperimentClassrooms"
+                  :key="item.id"
+                  :label="`${item.buildingName} / ${item.name}（${item.roomType}，${item.capacity}人）`"
+                  :value="item.id"
+                />
+              </el-select>
+            </el-form-item>
+          </div>
           <el-checkbox v-model="constraintBatchForm.updateDays">修改允许上课日</el-checkbox>
           <el-form-item v-if="constraintBatchForm.updateDays" label="统一允许上课日">
             <el-checkbox-group v-model="constraintBatchForm.allowedDayOfWeeks">