refactor(energy): 氢能总览参照 BI 重构 + 月度趋势 + 高密度 KPI

参考 https://bi.lnh2e.com/lingniu/decision/link/0iqP 重新设计：
- 4 张高密度 KPI 卡：累计加氢量 / 累计加氢费 / 本月加氢 / 本日加氢
  每张含主指标 + 2 行明细（我司/客户、加氢费/占比）
- 新增年内月度加氢量柱图（缺失月份补 0）
- 数字格式化：万元/亿元/T 单位自动切换，tabular-nums 对齐
- 后端 /hydrogen/overview 增加 monthly 字段
- 骨架屏同步更新

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/modules/energy/HydrogenOverview.tsx

@@ -1,8 +1,17 @@
 import { useEffect, useState } from 'react';
-import { BarChart, Bar, XAxis, YAxis, ResponsiveContainer, Cell, PieChart, Pie, Tooltip, LabelList } from 'recharts';
+import {
+  BarChart, Bar, XAxis, YAxis, ResponsiveContainer, Cell, PieChart, Pie, Tooltip, LabelList,
+} from 'recharts';
+import { Fuel, Wallet, CalendarDays, Sparkles } from 'lucide-react';
 import { fetchHydrogenOverview, type HydrogenOverviewResponse } from './api';
 import RotatingFooterHint from '../../components/RotatingFooterHint';
 
+const REGION_COLORS = [
+  '#3b82f6', '#22d3ee', '#a855f7', '#f59e0b',
+  '#10b981', '#ef4444', '#6366f1', '#14b8a6',
+  '#94a3b8',
+];
+
 interface YAxisTickProps {
   x?: number;
   y?: number;
@@ -24,13 +33,55 @@ function RankYAxisTick({ x = 0, y = 0, index = 0, payload }: YAxisTickProps) {
   );
 }
 
-const REGION_COLORS = [
-  '#3b82f6', '#22d3ee', '#a855f7', '#f59e0b',
-  '#10b981', '#ef4444', '#6366f1', '#14b8a6',
-  '#94a3b8',
-];
+// ---------- 数字格式化 ----------
+function fmtKg(kg: number): { value: string; unit: string } {
+  if (kg >= 1000) return { value: (kg / 1000).toFixed(2), unit: 'T' };
+  return { value: kg.toFixed(2), unit: 'Kg' };
+}
+function fmtYuan(yuan: number): { value: string; unit: string } {
+  if (yuan >= 100_000_000) return { value: (yuan / 100_000_000).toFixed(2), unit: '亿元' };
+  if (yuan >= 10_000) {
+    const w = yuan / 10_000;
+    return { value: w.toLocaleString('zh-CN', { maximumFractionDigits: 2 }), unit: '万元' };
+  }
+  return { value: yuan.toLocaleString('zh-CN', { maximumFractionDigits: 0 }), unit: '元' };
+}
 
+// ---------- KPI 卡 ----------
+interface KpiCardProps {
+  icon: React.ReactNode;
+  label: string;
+  hero: { value: string; unit: string };
+  rows: { label: string; value: string }[];
+  accentClass: string;
+  iconBg: string;
+}
+function KpiCard({ icon, label, hero, rows, accentClass, iconBg }: KpiCardProps) {
+  return (
+    <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4 flex flex-col gap-2">
+      <div className="flex items-center gap-2">
+        <div className={`w-7 h-7 rounded-xl flex items-center justify-center ${iconBg}`}>
+          {icon}
+        </div>
+        <span className="text-[11px] font-bold text-slate-500">{label}</span>
+      </div>
+      <div className="flex items-baseline gap-1">
+        <span className={`text-xl md:text-2xl font-black tabular-nums leading-none ${accentClass}`}>{hero.value}</span>
+        <span className="text-[11px] text-slate-400 font-bold">{hero.unit}</span>
+      </div>
+      <div className="space-y-0.5 pt-1 border-t border-slate-50">
+        {rows.map((r, i) => (
+          <div key={i} className="flex items-center justify-between text-[11px] font-bold">
+            <span className="text-slate-400">{r.label}</span>
+            <span className="text-slate-700 tabular-nums">{r.value}</span>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
 
+// ============================================================
 export default function HydrogenOverview() {
   const [data, setData] = useState<HydrogenOverviewResponse | null>(null);
   const [error, setError] = useState<string | null>(null);
@@ -52,14 +103,120 @@ export default function HydrogenOverview() {
   const k = data.kpi;
   const top5 = data.top5;
   const regions = data.regions;
+  const monthly = data.monthly;
+
+  const yearKgFmt = fmtKg(k.yearKg);
+  const yearFeeFmt = fmtYuan(k.yearFee);
+  const ourYearKgFmt = fmtKg(k.ourYearKg);
+  const customerYearKgFmt = fmtKg(k.customerYearKg);
+  const monthKgFmt = fmtKg(k.monthKg);
+  const monthFeeFmt = fmtYuan(k.monthFee);
+  const todayKgFmt = fmtKg(k.todayKg);
+  const todayFeeFmt = fmtYuan(k.todayFee);
+  const customerYearFee = Math.max(0, k.yearFee - k.ourYearFee);
+  const customerYearFeeFmt = fmtYuan(customerYearFee);
+  const todayYear = new Date().getFullYear();
+
   return (
     <div className="flex flex-col gap-3">
-      <div className="bg-white rounded-xl border border-slate-100 px-3 py-1.5 text-[11px] text-slate-400">
-        数据自 2025-01-01 起，每 1 分钟更新
+      {/* 顶部说明条 */}
+      <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">
+        <span>数据自 2025-01-01 起 · 每分钟刷新</span>
+        <span className="hidden md:inline text-slate-300">{todayYear} 年累计口径</span>
       </div>
+
+      {/* KPI 4 卡 */}
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-2 md:gap-3">
+        <KpiCard
+          icon={<Fuel size={14} className="text-cyan-600" strokeWidth={2.4} />}
+          iconBg="bg-cyan-50"
+          accentClass="text-slate-800"
+          label="累计加氢量"
+          hero={yearKgFmt}
+          rows={[
+            { label: '我司', value: `${ourYearKgFmt.value} ${ourYearKgFmt.unit}` },
+            { label: '客户', value: `${customerYearKgFmt.value} ${customerYearKgFmt.unit}` },
+          ]}
+        />
+        <KpiCard
+          icon={<Wallet size={14} className="text-blue-600" strokeWidth={2.4} />}
+          iconBg="bg-blue-50"
+          accentClass="text-slate-800"
+          label="累计加氢费"
+          hero={{ value: `¥${yearFeeFmt.value}`, unit: yearFeeFmt.unit }}
+          rows={[
+            { label: '我司承担', value: `¥${fmtYuan(k.ourYearFee).value} ${fmtYuan(k.ourYearFee).unit}` },
+            { label: '客户承担', value: `¥${customerYearFeeFmt.value} ${customerYearFeeFmt.unit}` },
+          ]}
+        />
+        <KpiCard
+          icon={<CalendarDays size={14} className="text-amber-600" strokeWidth={2.4} />}
+          iconBg="bg-amber-50"
+          accentClass="text-amber-600"
+          label="本月加氢"
+          hero={monthKgFmt}
+          rows={[
+            { label: '加氢费', value: `¥${monthFeeFmt.value} ${monthFeeFmt.unit}` },
+            { label: '占年比', value: `${k.yearKg > 0 ? (k.monthKg / k.yearKg * 100).toFixed(1) : '0.0'}%` },
+          ]}
+        />
+        <KpiCard
+          icon={<Sparkles size={14} className="text-violet-600" strokeWidth={2.4} />}
+          iconBg="bg-violet-50"
+          accentClass="text-violet-600"
+          label="本日加氢"
+          hero={todayKgFmt}
+          rows={[
+            { label: '加氢费', value: `¥${todayFeeFmt.value} ${todayFeeFmt.unit}` },
+            { label: '占月比', value: `${k.monthKg > 0 ? (k.todayKg / k.monthKg * 100).toFixed(1) : '0.0'}%` },
+          ]}
+        />
+      </div>
+
+      {/* 月度趋势：年内每月 */}
+      {monthly.length > 0 && (
+        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4">
+          <div className="flex items-center justify-between mb-2">
+            <span className="text-sm font-bold text-slate-700">{todayYear} 年月度加氢量</span>
+            <span className="text-[11px] text-slate-400 font-bold">单位 Kg</span>
+          </div>
+          <ResponsiveContainer width="100%" height={140}>
+            <BarChart data={monthly} margin={{ top: 8, right: 4, bottom: 0, left: 0 }}>
+              <XAxis
+                dataKey="month"
+                tickFormatter={(v: string) => v.slice(5).replace(/^0/, '') + '月'}
+                tick={{ fontSize: 10, fill: '#94a3b8' }}
+                tickLine={false}
+                axisLine={false}
+                interval={0}
+              />
+              <YAxis hide />
+              <Tooltip
+                formatter={(v) => [`${Number(v ?? 0).toLocaleString('zh-CN', { maximumFractionDigits: 0 })} Kg`, '加氢量']}
+                labelFormatter={(d) => `${d}`}
+                contentStyle={{ borderRadius: 12, fontSize: 12 }}
+                cursor={{ fill: 'rgba(34, 211, 238, 0.06)' }}
+              />
+              <Bar dataKey="kg" radius={[4, 4, 0, 0]}>
+                {monthly.map((_, i) => (
+                  <Cell key={i} fill="url(#monthlyBarGrad)" />
+                ))}
+              </Bar>
+              <defs>
+                <linearGradient id="monthlyBarGrad" x1="0" x2="0" y1="0" y2="1">
+                  <stop offset="0%" stopColor="#22d3ee" />
+                  <stop offset="100%" stopColor="#3b82f6" />
+                </linearGradient>
+              </defs>
+            </BarChart>
+          </ResponsiveContainer>
+        </div>
+      )}
+
+      {/* Top5 + 区域占比 */}
       <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
         {/* Top5 加氢站 */}
-        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-4">
+        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4">
           <div className="flex items-center justify-between mb-3">
             <span className="text-sm font-bold text-slate-700">加氢站加注量 Top5</span>
             <span className="text-[11px] text-slate-400 font-bold">单位 Kg</span>
@@ -81,7 +238,7 @@ export default function HydrogenOverview() {
               />
               <Bar dataKey="kg" radius={[6, 6, 6, 6]}>
                 {top5.map((_, i) => (
-                  <Cell key={i} fill={`url(#topBarGrad)`} />
+                  <Cell key={i} fill="url(#topBarGrad)" />
                 ))}
                 <LabelList
                   dataKey="kg"
@@ -101,8 +258,9 @@ export default function HydrogenOverview() {
             </BarChart>
           </ResponsiveContainer>
         </div>
-        {/* 区域占比环 */}
-        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-4 flex flex-col gap-2">
+
+        {/* 区域占比 */}
+        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4 flex flex-col gap-2">
           <span className="text-sm font-bold text-slate-700">各区域加氢占比</span>
           <div className="flex items-center gap-2">
             <div className="relative w-1/2 h-[200px]">
@@ -131,15 +289,16 @@ export default function HydrogenOverview() {
             <div className="flex-1 grid grid-cols-1 md:grid-cols-2 gap-x-3 gap-y-1 text-[11px]">
               {regions.map((r, i) => (
                 <div key={r.region} className="flex items-center gap-1.5">
-                  <span className="w-2 h-2 rounded-full" style={{ background: REGION_COLORS[i % REGION_COLORS.length] }} />
-                  <span className="text-slate-600">{r.region}</span>
-                  <span className="text-slate-400 ml-auto font-bold">{(r.share * 100).toFixed(1)}%</span>
+                  <span className="w-2 h-2 rounded-full flex-shrink-0" style={{ background: REGION_COLORS[i % REGION_COLORS.length] }} />
+                  <span className="text-slate-600 truncate">{r.region}</span>
+                  <span className="text-slate-400 ml-auto font-bold flex-shrink-0">{(r.share * 100).toFixed(1)}%</span>
                 </div>
               ))}
             </div>
           </div>
         </div>
       </div>
+
       <RotatingFooterHint />
     </div>
   );
@@ -148,13 +307,41 @@ export default function HydrogenOverview() {
 function HydrogenOverviewSkeleton() {
   return (
     <div className="flex flex-col gap-3 animate-pulse">
-      {/* 顶部说明条 */}
       <div className="bg-white rounded-xl border border-slate-100 px-3 py-2">
         <div className="h-3 w-44 bg-slate-100 rounded" />
       </div>
 
+      {/* 4 卡占位 */}
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-2 md:gap-3">
+        {Array.from({ length: 4 }).map((_, i) => (
+          <div key={i} className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4 space-y-2">
+            <div className="flex items-center gap-2">
+              <div className="w-7 h-7 rounded-xl bg-slate-100" />
+              <div className="h-3 w-16 bg-slate-100 rounded" />
+            </div>
+            <div className="h-7 w-24 bg-slate-200 rounded" />
+            <div className="space-y-1.5 pt-1 border-t border-slate-50">
+              <div className="flex justify-between"><div className="h-2.5 w-10 bg-slate-100 rounded" /><div className="h-2.5 w-16 bg-slate-100 rounded" /></div>
+              <div className="flex justify-between"><div className="h-2.5 w-10 bg-slate-100 rounded" /><div className="h-2.5 w-16 bg-slate-100 rounded" /></div>
+            </div>
+          </div>
+        ))}
+      </div>
+
+      {/* 月度柱图占位 */}
+      <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-4">
+        <div className="flex items-center justify-between mb-3">
+          <div className="h-4 w-32 bg-slate-100 rounded" />
+          <div className="h-3 w-12 bg-slate-100 rounded" />
+        </div>
+        <div className="flex items-end gap-2 h-[120px]">
+          {[60, 75, 50, 80, 35, 90, 45].map((h, i) => (
+            <div key={i} className="flex-1 bg-slate-100 rounded-t" style={{ height: `${h}%` }} />
+          ))}
+        </div>
+      </div>
+
       <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
-        {/* Top5 占位 */}
         <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-4">
           <div className="flex items-center justify-between mb-3">
             <div className="h-4 w-32 bg-slate-100 rounded" />
@@ -171,8 +358,6 @@ function HydrogenOverviewSkeleton() {
             ))}
           </div>
         </div>
-
-        {/* 区域占比环 占位 */}
         <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-4 flex flex-col gap-3">
           <div className="h-4 w-28 bg-slate-100 rounded" />
           <div className="flex items-center gap-3">

src/modules/energy/api.ts

@@ -1,6 +1,6 @@
 import { fetchJson } from '../../auth/api-client';
 import type {
-  HydrogenKpi, HydrogenStationTop, HydrogenRegionShare, HydrogenDailyRow,
+  HydrogenKpi, HydrogenStationTop, HydrogenRegionShare, HydrogenMonthlyPoint, HydrogenDailyRow,
   ElectricKpi, ElectricDailyRow, ElectricMonthGroup,
   CustomerType, DateQuickPick,
 } from './types';
@@ -11,6 +11,7 @@ export interface HydrogenOverviewResponse {
   kpi: HydrogenKpi;
   top5: HydrogenStationTop[];
   regions: HydrogenRegionShare[];
+  monthly: HydrogenMonthlyPoint[];
 }
 
 export function fetchHydrogenOverview(): Promise<HydrogenOverviewResponse> {

src/modules/energy/types.ts

@@ -29,6 +29,12 @@ export interface HydrogenRegionShare {
   share: number;
 }
 
+export interface HydrogenMonthlyPoint {
+  month: string;  // YYYY-MM
+  kg: number;
+  fee: number;
+}
+
 export interface HydrogenStationRow {
   name: string;
   pricePerKg: number;