[2610022] 优化首页总览布局: summary-grid 改用容器查询, 内容宽 3*480px+2*14px=1468px 时显示3列(单卡最小480px), 放不下时单列3行, 移除原 1280px 视口固定断点

forecast-backend-vue/src/views/ufo/workbench/WorkbenchPage.vue

@@ -819,14 +819,23 @@ watch(mapStations, () => renderStations(), { deep: true });
   padding: 14px 6px 0;
   overflow: hidden;
   background: #eef2f7;
+  // 作为容器查询参照物：content-grid 宽度随侧边栏变化，视口宽度无法准确判断 summary-card 能否放下 3 个
+  container-type: inline-size;
 }
 
 .summary-grid {
   display: grid;
-  grid-template-columns: repeat(3, minmax(0, 1fr));
+  grid-template-columns: 1fr;
   gap: 14px;
 }
 
+// 3 个 summary-card 最小宽度 480px + 2 个 14px 间隙 = 1468px；放得下时 3 列，放不下时单列 3 行
+@container (min-width: 1468px) {
+  .summary-grid {
+    grid-template-columns: repeat(3, minmax(480px, 1fr));
+  }
+}
+
 .summary-card {
   display: grid;
   grid-template-columns: 126px 1fr;
@@ -1084,7 +1093,6 @@ watch(mapStations, () => renderStations(), { deep: true });
     overflow: visible;
   }
 
-  .summary-grid,
   .content-grid {
     grid-template-columns: 1fr;
   }