diff --git a/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx b/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx
index a0d0b6ea..b1d4001d 100644
--- a/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx
+++ b/apps/frontend/src/pages/admin/panels/WorkOrdersPanel.tsx
@@ -2385,10 +2385,12 @@ export default function WorkOrdersPanel() {
                 setPage(1)
               }}
             />
-            <Button type="primary" icon={<SearchOutlined />} onClick={searchOrders}>
-              查询
-            </Button>
-            <Button onClick={clearOrderFilters}>清空筛选</Button>
+            <div className="worker-orders-filter-actions">
+              <Button type="primary" icon={<SearchOutlined />} onClick={searchOrders}>
+                查询
+              </Button>
+              <Button onClick={clearOrderFilters}>清空筛选</Button>
+            </div>
           </div>
           <div className="worker-orders-mock">
             <Typography.Text type="secondary">本地 Mock</Typography.Text>
diff --git a/apps/frontend/src/styles/worker.css b/apps/frontend/src/styles/worker.css
index 0762e2d7..0dadd3cb 100644
--- a/apps/frontend/src/styles/worker.css
+++ b/apps/frontend/src/styles/worker.css
@@ -139,49 +139,55 @@
   min-width: 0;
 }
 
-/* 单行筛选栏：搜索框、筛选条件、清空按钮同一行且不换行；空间不足时行内横向滚动 */
+/* 筛选条件按内容分配宽度；空间不足时整组换行，避免单个下拉挤占整行。 */
 .worker-orders-filter-bar {
   display: flex;
   align-items: center;
-  flex-wrap: nowrap;
+  flex-wrap: wrap;
   gap: 8px;
   width: 100%;
-  overflow-x: auto;
-  scrollbar-width: thin;
-  padding-bottom: 2px;
 }
 
 .worker-orders-search-input {
-  flex: 1.4 1 240px;
-  min-width: 180px;
-  max-width: 300px;
+  flex: 1 1 260px;
+  min-width: 220px;
+  max-width: 340px;
 }
 
 .worker-orders-filter-select {
-  flex: 1 1 110px;
-  min-width: 88px;
+  flex: 0 1 165px;
+  width: 165px;
+  min-width: 145px;
+  max-width: 185px;
 }
 
 .worker-orders-filter-select--wide {
-  flex: 1.6 1 140px;
-  min-width: 112px;
+  flex: 0 1 220px;
+  width: 220px;
+  min-width: 190px;
+  max-width: 240px;
 }
 
-/* 状态：多选标签可截断，宽度让给时间区间 */
+/* 状态是多选标签，保留独立宽度但不再随剩余空间无限拉伸。 */
 .worker-orders-filter-select--compact {
-  flex: 0.9 1 96px;
-  min-width: 80px;
+  flex: 0 1 170px;
+  width: 170px;
+  min-width: 150px;
+  max-width: 190px;
 }
 
 /* 时间区间：留足两个完整日期（YYYY-MM-DD）与「开始日期/结束日期」占位文案的宽度 */
 .worker-orders-date-range {
-  flex: 0 0 230px;
-  width: 230px;
-  min-width: 230px;
+  flex: 0 0 220px;
+  width: 220px;
+  min-width: 220px;
 }
 
-.worker-orders-filter-bar > .ant-btn {
+.worker-orders-filter-actions {
+  display: flex;
+  align-items: center;
   flex: 0 0 auto;
+  gap: 8px;
 }
 
 .worker-orders-mock {
diff --git a/apps/frontend/tests/work-order-filter-layout.test.ts b/apps/frontend/tests/work-order-filter-layout.test.ts
new file mode 100644
index 00000000..afae9e75
--- /dev/null
+++ b/apps/frontend/tests/work-order-filter-layout.test.ts
@@ -0,0 +1,18 @@
+import assert from 'node:assert/strict'
+import { readFile } from 'node:fs/promises'
+import test from 'node:test'
+
+test('接单工单筛选按内容分配宽度，店铺下拉不能吞掉查询区', async () => {
+  const [panel, css] = await Promise.all([
+    readFile(new URL('../src/pages/admin/panels/WorkOrdersPanel.tsx', import.meta.url), 'utf8'),
+    readFile(new URL('../src/styles/worker.css', import.meta.url), 'utf8'),
+  ])
+
+  assert.ok(panel.includes('className="worker-orders-filter-actions"'))
+  assert.ok(css.includes('flex-wrap: wrap'))
+  assert.ok(css.includes('.worker-orders-filter-select--wide'))
+  assert.ok(css.includes('width: 220px'))
+  assert.ok(css.includes('max-width: 240px'))
+  assert.ok(css.includes('.worker-orders-filter-actions'))
+  assert.ok(!css.includes('overflow-x: auto;\n  scrollbar-width: thin;'))
+})