feat(ui): 统一面板空状态引导

src/components/olmap/BurstLocation/LocationResults.tsx

@@ -31,6 +31,7 @@ import { Stroke, Style, Circle, Fill } from "ol/style";
 import { bbox, featureCollection } from "@turf/turf";
 import { BurstCandidate, BurstLocationResult } from "./types";
 import { FLOW_DISPLAY_UNIT, toM3h } from "@utils/units";
+import PanelEmptyState from "@components/olmap/common/PanelEmptyState";
 
 interface Props {
   result: BurstLocationResult | null;
@@ -128,17 +129,11 @@ const MetricCard = ({ label, value, hint, tone }: MetricCardProps) => {
 };
 
 const EmptyState = () => (
-  <Box className="flex h-full flex-col items-center justify-center bg-gray-50/50 p-6 text-center">
-    <Box className="mb-4 rounded-full bg-white p-6 shadow-sm">
-      <MapIcon sx={{ fontSize: 48, color: "#cbd5e1" }} />
-    </Box>
-    <Typography variant="h6" className="mb-1 font-bold text-gray-700">
-      等待定位结果
-    </Typography>
-    <Typography variant="body2" className="max-w-xs text-gray-500">
-      请先提交爆管定位分析，结果面板将展示定位摘要、时间窗、采样情况和候选管段。
-    </Typography>
-  </Box>
+  <PanelEmptyState
+    icon={<MapIcon />}
+    title="尚未生成定位结果"
+    description="请在“定位参数”中运行分析，或在“方案查询”中打开历史结果。"
+  />
 );
 
 const LocationResults: React.FC<Props> = ({ result }) => {