Polish mobile BI filters and summaries

src/modules/energy/HydrogenOverview.tsx

@@ -166,7 +166,7 @@ export default function HydrogenOverview() {
     <div className="flex flex-col gap-3 relative">
       {/* 顶部说明条 + 年份切换 + 刷新按钮 */}
       <div className="bg-white rounded-xl border border-slate-100 px-3 py-1.5 text-[11px] text-slate-400 flex items-center justify-between gap-2">
-        <span className="truncate">{lastRefreshAt ? `更新于 ${formatRelative(lastRefreshAt)}` : '数据自 2025-01-01 起'}</span>
+        <span className="truncate">{lastRefreshAt ? `更新于 ${formatRefreshTime(lastRefreshAt)}` : '数据自 2025-01-01 起'}</span>
         <div className="flex items-center gap-2 flex-shrink-0">
           <div className="flex items-center gap-1 bg-slate-50 rounded-lg p-0.5">
             {availableYears.map(y => {
@@ -620,6 +620,18 @@ function formatRelative(ts: number): string {
   return new Date(ts).toLocaleString('zh-CN', { hour12: false });
 }
 
+function formatRefreshTime(ts: number): string {
+  const exactTime = new Date(ts).toLocaleString('zh-CN', {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+    hour12: false,
+  });
+  return `${formatRelative(ts)} · ${exactTime.replace(/\//g, '-')}`;
+}
+
 function HydrogenOverviewSkeleton() {
   return (
     <div className="flex flex-col gap-3 animate-pulse">