feat(platform): position mileage as statistics query

vehicle-data-platform/apps/web/src/pages/Mileage.tsx

@@ -1239,8 +1239,8 @@ export function Mileage({
   return (
     <div className="vp-page">
       <PageHeader
-        title="里程统计"
-        description="按车辆汇总每日里程、区间里程和异常差值分析"
+        title="统计查询"
+        description="按车辆查询里程、在线影响、区间闭合、异常复核和数据交付"
         actions={(
           <Button disabled={!currentVehicleKeyword} onClick={() => onOpenVehicle(currentVehicleKeyword, currentProtocol)}>
             当前车辆服务
@@ -1250,7 +1250,7 @@ export function Mileage({
       <div className="vp-scope-bar">
         <span className="vp-scope-label">当前车辆：{currentVehicleKeyword || '-'}</span>
         <Tag color={currentProtocol ? 'blue' : 'green'}>数据通道：{currentProtocol || '全部数据通道'}</Tag>
-        <Typography.Text type="tertiary">里程统计按当前车辆与数据通道范围汇总。</Typography.Text>
+        <Typography.Text type="tertiary">统计查询以车辆为对象，当前先覆盖里程、在线影响、闭合审计和异常复核。</Typography.Text>
       </div>
       <Card bordered className="vp-mileage-customer-query-board" bodyStyle={{ padding: 0 }}>
         <div className="vp-mileage-customer-query-summary">