feat: clarify mobile mileage legend

vehicle-data-platform/apps/web/src/v2/pages/StatisticsPage.test.tsx

@@ -73,6 +73,10 @@ test('renders only the desktop matrix with dates as columns and a period total',
   expect(screen.getByRole('note', { name: '里程矩阵读表说明' })).toHaveTextContent('0 km已上报、无里程增量');
   expect(screen.getByRole('note', { name: '里程矩阵读表说明' })).toHaveTextContent('—无可用里程');
   expect(screen.getByRole('note', { name: '里程矩阵读表说明' })).toHaveTextContent('颜色越深、里程越高');
+  expect(screen.getByLabelText('移动端里程矩阵读表说明')).toHaveTextContent('左右滑动日期 · 车牌与总里程固定');
+  expect(screen.getByLabelText('0 公里表示已上报、无里程增量')).toHaveTextContent('0 km无增量');
+  expect(screen.getByLabelText('横线表示无可用里程')).toHaveTextContent('—无数据');
+  expect(screen.getByLabelText('颜色越深、里程越高')).toHaveTextContent('色阶深色更高');
   const matrixRegion = screen.getByRole('region', { name: '车辆每日里程矩阵，可横向滚动查看日期' });
   expect(matrixRegion).toHaveAttribute('tabindex', '0');
   const matrixScroller = matrixRegion.querySelector<HTMLElement>('.semi-table-body');

vehicle-data-platform/apps/web/src/v2/pages/StatisticsPage.tsx

@@ -287,11 +287,17 @@ function dateLabel(date: string) {
 
 function MileageMatrixGuide() {
   return <aside id="v2-mileage-matrix-guide" className="v2-mileage-matrix-guide" role="note" aria-label="里程矩阵读表说明">
-    <span className="v2-mileage-matrix-guide-title"><IconInfoCircle /><strong>读表说明</strong></span>
+    <span className="v2-mileage-matrix-guide-title is-desktop-guide"><IconInfoCircle /><strong>读表说明</strong></span>
-    <span><Tag color="blue" type="light" size="small">0 km</Tag>已上报、无里程增量</span>
+    <span className="is-desktop-guide"><Tag color="blue" type="light" size="small">0 km</Tag>已上报、无里程增量</span>
-    <span><Tag color="grey" type="light" size="small">—</Tag>无可用里程</span>
+    <span className="is-desktop-guide"><Tag color="grey" type="light" size="small">—</Tag>无可用里程</span>
-    <span><Tag color="blue" type="light" size="small">色阶</Tag>颜色越深、里程越高</span>
+    <span className="is-desktop-guide"><Tag color="blue" type="light" size="small">色阶</Tag>颜色越深、里程越高</span>
-    <span className="is-mobile-hint">左右滑动查看日期 · 车牌与总里程固定</span>
+    <span className="is-desktop-guide is-mobile-hint">左右滑动查看日期 · 车牌与总里程固定</span>
+    <span className="v2-mileage-matrix-guide-mobile" aria-label="移动端里程矩阵读表说明">
+      <span className="is-mobile-hint"><IconInfoCircle /><strong>左右滑动日期</strong> · 车牌与总里程固定</span>
+      <span aria-label="0 公里表示已上报、无里程增量"><Tag color="blue" type="light" size="small">0 km</Tag>无增量</span>
+      <span aria-label="横线表示无可用里程"><Tag color="grey" type="light" size="small">—</Tag>无数据</span>
+      <span aria-label="颜色越深、里程越高"><Tag color="blue" type="light" size="small">色阶</Tag>深色更高</span>
+    </span>
   </aside>;
 }
 

vehicle-data-platform/apps/web/src/v2/styles/workspace.css

@@ -13780,6 +13780,10 @@
   display: none;
 }
 
+.v2-mileage-matrix-guide > .v2-mileage-matrix-guide-mobile {
+  display: none;
+}
+
 .v2-mileage-table-wrap {
   scrollbar-color: #9eb0c4 #f2f5f9;
   scrollbar-gutter: stable;
@@ -14013,22 +14017,34 @@
   }
 
   .v2-mileage-matrix-guide {
-    min-height: 34px;
+    min-height: 58px;
-    gap: 11px;
+    overflow: hidden;
-    padding: 4px 9px;
+    gap: 0;
+    padding: 4px 8px 5px;
     font-size: 9px;
+    white-space: normal;
   }
 
-  .v2-mileage-matrix-guide-title .semi-icon {
+  .v2-mileage-matrix-guide > .is-desktop-guide {
-    font-size: 12px;
+    display: none;
   }
 
-  .v2-mileage-matrix-guide-title {
+  .v2-mileage-matrix-guide > .v2-mileage-matrix-guide-mobile {
-    order: 0;
+    display: grid;
+    width: 100%;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+    align-items: center;
+    gap: 3px 6px;
   }
 
-  .v2-mileage-matrix-guide > span:not(.v2-mileage-matrix-guide-title):not(.is-mobile-hint) {
+  .v2-mileage-matrix-guide-mobile > span {
-    order: 2;
+    display: inline-flex;
+    min-width: 0;
+    align-items: center;
+    justify-content: center;
+    gap: 4px;
+    color: #66798f;
+    white-space: nowrap;
   }
 
   .v2-mileage-matrix-guide .semi-tag {
@@ -14038,13 +14054,19 @@
     font-size: 8px;
   }
 
-  .v2-mileage-matrix-guide .is-mobile-hint {
+  .v2-mileage-matrix-guide-mobile > .is-mobile-hint {
     display: inline-flex;
-    order: 1;
+    min-height: 22px;
+    grid-column: 1 / -1;
     color: #3e6798;
     font-weight: 650;
   }
 
+  .v2-mileage-matrix-guide-mobile > .is-mobile-hint .semi-icon {
+    color: #1268df;
+    font-size: 12px;
+  }
+
   .v2-mileage-source-sidesheet .semi-sidesheet-inner {
     overflow: hidden;
     border: 1px solid #d9e3ef;