diff --git a/frontend/app/signals/page.tsx b/frontend/app/signals/page.tsx
index cf0b4a7..a4d56d2 100644
--- a/frontend/app/signals/page.tsx
+++ b/frontend/app/signals/page.tsx
@@ -84,14 +84,12 @@ function pct(v: number, digits = 1): string {
 function LayerScore({ label, score, max, colorClass }: { label: string; score: number; max: number; colorClass: string }) {
   const ratio = Math.max(0, Math.min((score / max) * 100, 100));
   return (
-    <div className="space-y-1">
-      <div className="flex items-center justify-between text-xs text-slate-600">
-        <span>{label}</span>
-        <span className="font-mono">{score}/{max}</span>
-      </div>
-      <div className="h-1.5 rounded-full bg-slate-100 overflow-hidden">
+    <div className="flex items-center gap-2">
+      <span className="text-[10px] text-slate-500 w-6 shrink-0">{label}</span>
+      <div className="flex-1 h-1.5 rounded-full bg-slate-100 overflow-hidden">
         <div className={`h-full ${colorClass}`} style={{ width: `${ratio}%` }} />
       </div>
+      <span className="text-[10px] font-mono text-slate-600 w-8 text-right">{score}/{max}</span>
     </div>
   );
 }
@@ -137,26 +135,22 @@ function MarketIndicatorsCards({ symbol }: { symbol: Symbol }) {
   const premium = Number(premVal?.premium_pct ?? 0);
 
   return (
-    <div className="grid grid-cols-2 lg:grid-cols-4 gap-2">
-      <div className="bg-white rounded-xl border border-slate-200 p-3">
-        <p className="text-xs text-slate-400">多空比 (L/S)</p>
-        <p className="text-sm text-slate-800 mt-1">Long: {longPct.toFixed(1)}%</p>
-        <p className="text-sm text-slate-600">Short: {shortPct.toFixed(1)}%</p>
+    <div className="grid grid-cols-4 gap-1.5">
+      <div className="bg-slate-50 rounded-lg px-2 py-1.5">
+        <p className="text-[10px] text-slate-400">多空比</p>
+        <p className="text-xs font-mono text-slate-800">L:{longPct.toFixed(1)}% S:{shortPct.toFixed(1)}%</p>
       </div>
-      <div className="bg-white rounded-xl border border-slate-200 p-3">
-        <p className="text-xs text-slate-400">大户持仓</p>
-        <p className="text-sm text-slate-800 mt-1">大户做多: {topLong.toFixed(1)}%</p>
-        <p className="text-sm text-slate-600">方向: {topLong >= 55 ? "多头占优" : topLong <= 45 ? "空头占优" : "中性"}</p>
+      <div className="bg-slate-50 rounded-lg px-2 py-1.5">
+        <p className="text-[10px] text-slate-400">大户持仓</p>
+        <p className="text-xs font-mono text-slate-800">多{topLong.toFixed(1)}% {topLong >= 55 ? "📈" : topLong <= 45 ? "📉" : "➖"}</p>
       </div>
-      <div className="bg-white rounded-xl border border-slate-200 p-3">
-        <p className="text-xs text-slate-400">持仓量 (OI)</p>
-        <p className="text-sm text-slate-800 mt-1">{oiDisplay}</p>
-        <p className="text-sm text-slate-600">{Number(oiVal?.sumOpenInterest ?? 0).toFixed(0)} BTC</p>
+      <div className="bg-slate-50 rounded-lg px-2 py-1.5">
+        <p className="text-[10px] text-slate-400">OI</p>
+        <p className="text-xs font-mono text-slate-800">{oiDisplay}</p>
       </div>
-      <div className="bg-white rounded-xl border border-slate-200 p-3">
-        <p className="text-xs text-slate-400">Coinbase Premium</p>
-        <p className={`text-sm mt-1 font-mono ${premium >= 0 ? "text-emerald-600" : "text-red-500"}`}>{premium >= 0 ? "+" : ""}{premium.toFixed(4)}%</p>
-        <p className="text-sm text-slate-600">机构: {premium > 0.005 ? "偏多" : premium < -0.005 ? "偏空" : "中性"}</p>
+      <div className="bg-slate-50 rounded-lg px-2 py-1.5">
+        <p className="text-[10px] text-slate-400">CB Premium</p>
+        <p className={`text-xs font-mono ${premium >= 0 ? "text-emerald-600" : "text-red-500"}`}>{premium >= 0 ? "+" : ""}{premium.toFixed(4)}%</p>
       </div>
     </div>
   );
@@ -196,22 +190,21 @@ function SignalHistory({ symbol }: { symbol: Symbol }) {
 
   return (
     <div className="rounded-xl border border-slate-200 bg-white shadow-sm overflow-hidden">
-      <div className="px-4 py-3 border-b border-slate-100">
-        <h3 className="font-semibold text-slate-800 text-sm">最近信号</h3>
-        <p className="text-xs text-slate-400 mt-0.5">最近20条有效信号记录（北京时间）</p>
+      <div className="px-3 py-2 border-b border-slate-100">
+        <h3 className="font-semibold text-slate-800 text-xs">最近信号</h3>
       </div>
-      <div className="divide-y divide-slate-100">
+      <div className="divide-y divide-slate-100 max-h-48 overflow-y-auto">
         {data.map((s, i) => (
-          <div key={i} className="px-4 py-2 flex items-center justify-between">
-            <div className="flex items-center gap-3">
-              <span className={`text-sm font-bold ${s.signal === "LONG" ? "text-emerald-600" : "text-red-500"}`}>
+          <div key={i} className="px-3 py-1.5 flex items-center justify-between">
+            <div className="flex items-center gap-2">
+              <span className={`text-xs font-bold ${s.signal === "LONG" ? "text-emerald-600" : "text-red-500"}`}>
                 {s.signal === "LONG" ? "🟢 LONG" : "🔴 SHORT"}
               </span>
-              <span className="text-xs text-slate-400">{bjtFull(s.ts)}</span>
+              <span className="text-[10px] text-slate-400">{bjtFull(s.ts)}</span>
             </div>
-            <div className="flex items-center gap-2">
-              <span className="font-mono text-sm text-slate-700">{s.score}/100</span>
-              <span className={`text-xs px-1.5 py-0.5 rounded ${
+            <div className="flex items-center gap-1.5">
+              <span className="font-mono text-xs text-slate-700">{s.score}</span>
+              <span className={`text-[10px] px-1 py-0.5 rounded ${
                 s.score >= 85 ? "bg-red-100 text-red-700" :
                 s.score >= 75 ? "bg-blue-100 text-blue-700" :
                 "bg-slate-100 text-slate-600"
@@ -258,76 +251,75 @@ function IndicatorCards({ symbol }: { symbol: Symbol }) {
 
   return (
     <div className="space-y-3">
-      {/* CVD三轨 */}
-      <div className="grid grid-cols-3 gap-2">
-        <div className="bg-white rounded-lg border border-slate-200 p-3">
-          <p className="text-xs text-slate-400">CVD_fast (30m)</p>
-          <p className={`font-mono font-bold text-lg ${data.cvd_fast >= 0 ? "text-emerald-600" : "text-red-500"}`}>
+      {/* CVD三轨 - 紧凑一行 */}
+      <div className="grid grid-cols-3 gap-1.5">
+        <div className="bg-white rounded-lg border border-slate-200 px-2.5 py-2">
+          <p className="text-[10px] text-slate-400">CVD_fast (30m)</p>
+          <p className={`font-mono font-bold text-sm ${data.cvd_fast >= 0 ? "text-emerald-600" : "text-red-500"}`}>
             {fmt(data.cvd_fast)}
           </p>
-          <p className="text-xs text-slate-400 mt-0.5">
+          <p className="text-[10px] text-slate-400">
             斜率: <span className={data.cvd_fast_slope >= 0 ? "text-emerald-600" : "text-red-500"}>
-              {data.cvd_fast_slope >= 0 ? "↑" : "↓"} {fmt(Math.abs(data.cvd_fast_slope))}
+              {data.cvd_fast_slope >= 0 ? "↑" : "↓"}{fmt(Math.abs(data.cvd_fast_slope))}
             </span>
           </p>
         </div>
-        <div className="bg-white rounded-lg border border-slate-200 p-3">
-          <p className="text-xs text-slate-400">CVD_mid (4h)</p>
-          <p className={`font-mono font-bold text-lg ${data.cvd_mid >= 0 ? "text-emerald-600" : "text-red-500"}`}>
+        <div className="bg-white rounded-lg border border-slate-200 px-2.5 py-2">
+          <p className="text-[10px] text-slate-400">CVD_mid (4h)</p>
+          <p className={`font-mono font-bold text-sm ${data.cvd_mid >= 0 ? "text-emerald-600" : "text-red-500"}`}>
             {fmt(data.cvd_mid)}
           </p>
-          <p className="text-xs text-slate-400 mt-0.5">大方向: {cvdMidDir}头占优</p>
+          <p className="text-[10px] text-slate-400">{cvdMidDir}头占优</p>
         </div>
-        <div className="bg-white rounded-lg border border-slate-200 p-3">
-          <p className="text-xs text-slate-400">CVD_day (日内)</p>
-          <p className={`font-mono font-bold text-lg ${data.cvd_day >= 0 ? "text-emerald-600" : "text-red-500"}`}>
+        <div className="bg-white rounded-lg border border-slate-200 px-2.5 py-2">
+          <p className="text-[10px] text-slate-400">CVD_day</p>
+          <p className={`font-mono font-bold text-sm ${data.cvd_day >= 0 ? "text-emerald-600" : "text-red-500"}`}>
             {fmt(data.cvd_day)}
           </p>
-          <p className="text-xs text-slate-400 mt-0.5">盘中基线</p>
+          <p className="text-[10px] text-slate-400">盘中基线</p>
         </div>
       </div>
 
-      {/* ATR + VWAP + 大单 */}
-      <div className="grid grid-cols-2 md:grid-cols-4 gap-2">
-        <div className="bg-white rounded-lg border border-slate-200 p-3">
-          <p className="text-xs text-slate-400">ATR (5m×14)</p>
-          <p className="font-mono font-semibold text-slate-800">${fmt(data.atr_5m, 2)}</p>
-          <p className="text-xs text-slate-400 mt-0.5">
-            分位: <span className={data.atr_percentile > 60 ? "text-amber-600 font-semibold" : "text-slate-500"}>
-              {data.atr_percentile.toFixed(0)}%
+      {/* ATR + VWAP + 大单 - 4列紧凑 */}
+      <div className="grid grid-cols-4 gap-1.5">
+        <div className="bg-white rounded-lg border border-slate-200 px-2.5 py-2">
+          <p className="text-[10px] text-slate-400">ATR</p>
+          <p className="font-mono font-semibold text-sm text-slate-800">${fmt(data.atr_5m, 2)}</p>
+          <p className="text-[10px]">
+            <span className={data.atr_percentile > 60 ? "text-amber-600 font-semibold" : "text-slate-400"}>
+              {data.atr_percentile.toFixed(0)}%{data.atr_percentile > 60 ? "🔥" : ""}
             </span>
-            {data.atr_percentile > 60 ? " 🔥扩张" : data.atr_percentile < 40 ? " 压缩" : ""}
           </p>
         </div>
-        <div className="bg-white rounded-lg border border-slate-200 p-3">
-          <p className="text-xs text-slate-400">VWAP (30m)</p>
-          <p className="font-mono font-semibold text-slate-800">${data.vwap_30m.toLocaleString("en-US", { maximumFractionDigits: 1 })}</p>
-          <p className="text-xs text-slate-400 mt-0.5">
-            价格在VWAP<span className={data.price > data.vwap_30m ? "text-emerald-600" : "text-red-500"}>{priceVsVwap}</span>
+        <div className="bg-white rounded-lg border border-slate-200 px-2.5 py-2">
+          <p className="text-[10px] text-slate-400">VWAP</p>
+          <p className="font-mono font-semibold text-sm text-slate-800">${data.vwap_30m.toLocaleString("en-US", { maximumFractionDigits: 1 })}</p>
+          <p className="text-[10px]">
+            价格在<span className={data.price > data.vwap_30m ? "text-emerald-600" : "text-red-500"}>{priceVsVwap}</span>
           </p>
         </div>
-        <div className="bg-white rounded-lg border border-slate-200 p-3">
-          <p className="text-xs text-slate-400">大单阈值 P95</p>
-          <p className="font-mono font-semibold text-slate-800">{data.p95_qty.toFixed(4)}</p>
-          <p className="text-xs text-slate-400 mt-0.5">24h动态分位</p>
+        <div className="bg-white rounded-lg border border-slate-200 px-2.5 py-2">
+          <p className="text-[10px] text-slate-400">P95</p>
+          <p className="font-mono font-semibold text-sm text-slate-800">{data.p95_qty.toFixed(4)}</p>
+          <p className="text-[10px] text-slate-400">大单阈值</p>
         </div>
-        <div className="bg-white rounded-lg border border-slate-200 p-3">
-          <p className="text-xs text-slate-400">大单阈值 P99</p>
-          <p className="font-mono font-semibold text-amber-600">{data.p99_qty.toFixed(4)}</p>
-          <p className="text-xs text-slate-400 mt-0.5">超大单门槛</p>
+        <div className="bg-white rounded-lg border border-slate-200 px-2.5 py-2">
+          <p className="text-[10px] text-slate-400">P99</p>
+          <p className="font-mono font-semibold text-sm text-amber-600">{data.p99_qty.toFixed(4)}</p>
+          <p className="text-[10px] text-slate-400">超大单</p>
         </div>
       </div>
 
-      {/* 信号状态（V5.1） */}
-      <div className={`rounded-xl border p-3 ${
+      {/* 信号状态（V5.1）- 紧凑版 */}
+      <div className={`rounded-xl border px-3 py-2.5 ${
         data.signal === "LONG" ? "border-emerald-300 bg-emerald-50" :
         data.signal === "SHORT" ? "border-red-300 bg-red-50" :
         "border-slate-200 bg-slate-50"
       }`}>
         <div className="flex items-center justify-between">
           <div>
-            <p className="text-xs text-slate-500">当前信号</p>
-            <p className={`font-bold text-lg ${
+            <p className="text-[10px] text-slate-500">当前信号</p>
+            <p className={`font-bold text-base ${
               data.signal === "LONG" ? "text-emerald-700" :
               data.signal === "SHORT" ? "text-red-600" :
               "text-slate-400"
@@ -336,25 +328,17 @@ function IndicatorCards({ symbol }: { symbol: Symbol }) {
             </p>
           </div>
           <div className="text-right">
-            <p className="text-xs text-slate-500">总分</p>
-            <p className="font-mono font-bold text-slate-800">{data.score}/100</p>
-            <p className="text-xs text-slate-500 mt-0.5">档位: {data.tier === "heavy" ? "加仓" : data.tier === "standard" ? "标准" : data.tier === "light" ? "轻仓" : "不开仓"}</p>
+            <p className="font-mono font-bold text-lg text-slate-800">{data.score}/100</p>
+            <p className="text-[10px] text-slate-500">{data.tier === "heavy" ? "加仓" : data.tier === "standard" ? "标准" : data.tier === "light" ? "轻仓" : "不开仓"}</p>
           </div>
         </div>
-        <div className="mt-3 space-y-2">
-          <LayerScore label="方向层" score={data.factors?.direction?.score ?? Math.min(Math.round(data.score * 0.45), 45)} max={45} colorClass="bg-blue-600" />
-          <LayerScore label="拥挤层" score={data.factors?.crowding?.score ?? Math.min(Math.round(data.score * 0.20), 20)} max={20} colorClass="bg-violet-600" />
-          <LayerScore label="环境层" score={data.factors?.environment?.score ?? Math.min(Math.round(data.score * 0.15), 15)} max={15} colorClass="bg-emerald-600" />
-          <LayerScore label="确认层" score={data.factors?.confirmation?.score ?? Math.min(Math.round(data.score * 0.15), 15)} max={15} colorClass="bg-amber-500" />
-          <LayerScore label="辅助层" score={data.factors?.auxiliary?.score ?? Math.min(Math.round(data.score * 0.05), 5)} max={5} colorClass="bg-slate-500" />
+        <div className="mt-2 space-y-1">
+          <LayerScore label="方向" score={data.factors?.direction?.score ?? Math.min(Math.round(data.score * 0.45), 45)} max={45} colorClass="bg-blue-600" />
+          <LayerScore label="拥挤" score={data.factors?.crowding?.score ?? Math.min(Math.round(data.score * 0.20), 20)} max={20} colorClass="bg-violet-600" />
+          <LayerScore label="环境" score={data.factors?.environment?.score ?? Math.min(Math.round(data.score * 0.15), 15)} max={15} colorClass="bg-emerald-600" />
+          <LayerScore label="确认" score={data.factors?.confirmation?.score ?? Math.min(Math.round(data.score * 0.15), 15)} max={15} colorClass="bg-amber-500" />
+          <LayerScore label="辅助" score={data.factors?.auxiliary?.score ?? Math.min(Math.round(data.score * 0.05), 5)} max={5} colorClass="bg-slate-500" />
         </div>
-        {data.signal && (
-          <div className="mt-2 grid grid-cols-3 gap-2 text-xs text-slate-600">
-            <span>{core1} CVD_fast方向</span>
-            <span>{core2} CVD_mid方向</span>
-            <span>{core3} VWAP位置</span>
-          </div>
-        )}
       </div>
     </div>
   );
@@ -448,17 +432,17 @@ export default function SignalsPage() {
   );
 
   return (
-    <div className="space-y-5">
+    <div className="space-y-3">
       {/* 标题 */}
       <div className="flex items-center justify-between flex-wrap gap-2">
         <div>
-          <h1 className="text-xl font-bold text-slate-900">V5.1 信号引擎</h1>
-          <p className="text-slate-500 text-xs mt-0.5">五层100分评分 + 市场拥挤度 + 环境确认</p>
+          <h1 className="text-lg font-bold text-slate-900">⚡ 信号引擎 V5.1</h1>
+          <p className="text-slate-500 text-[10px]">五层100分评分 · 市场拥挤度 · 环境确认</p>
         </div>
-        <div className="flex gap-1.5">
+        <div className="flex gap-1">
           {(["BTC", "ETH", "XRP", "SOL"] as Symbol[]).map(s => (
             <button key={s} onClick={() => setSymbol(s)}
-              className={`px-4 py-1.5 rounded-lg border text-sm font-medium transition-colors ${symbol === s ? "bg-blue-600 text-white border-blue-600" : "border-slate-200 text-slate-600 hover:border-blue-400"}`}>
+              className={`px-3 py-1 rounded-lg border text-xs font-medium transition-colors ${symbol === s ? "bg-blue-600 text-white border-blue-600" : "border-slate-200 text-slate-600 hover:border-blue-400"}`}>
               {s}
             </button>
           ))}
@@ -469,8 +453,8 @@ export default function SignalsPage() {
       <IndicatorCards symbol={symbol} />
 
       {/* Market Indicators */}
-      <div className="rounded-xl border border-slate-200 bg-white p-3">
-        <h3 className="font-semibold text-slate-800 text-sm mb-2">Market Indicators</h3>
+      <div className="rounded-xl border border-slate-200 bg-white px-3 py-2">
+        <h3 className="font-semibold text-slate-800 text-xs mb-1.5">Market Indicators</h3>
         <MarketIndicatorsCards symbol={symbol} />
       </div>
 
@@ -479,10 +463,10 @@ export default function SignalsPage() {
 
       {/* CVD三轨图 */}
       <div className="rounded-xl border border-slate-200 bg-white shadow-sm overflow-hidden">
-        <div className="px-4 py-3 border-b border-slate-100 flex items-center justify-between flex-wrap gap-2">
+        <div className="px-3 py-2 border-b border-slate-100 flex items-center justify-between flex-wrap gap-1">
           <div>
-            <h3 className="font-semibold text-slate-800 text-sm">CVD三轨 + 币价</h3>
-            <p className="text-xs text-slate-400 mt-0.5">蓝色面积=CVD_fast(30m) · 紫色虚线=CVD_mid(4h) · 橙色虚线=币价</p>
+            <h3 className="font-semibold text-slate-800 text-xs">CVD三轨 + 币价</h3>
+            <p className="text-[10px] text-slate-400">蓝=fast(30m) · 紫=mid(4h) · 橙=价格</p>
           </div>
           <div className="flex gap-1">
             {WINDOWS.map(w => (
@@ -493,15 +477,15 @@ export default function SignalsPage() {
             ))}
           </div>
         </div>
-        <div className="p-4">
+        <div className="px-3 py-2">
           <CVDChart symbol={symbol} minutes={minutes} />
         </div>
       </div>
 
-      {/* 说明 */}
-      <div className="rounded-xl border border-blue-100 bg-blue-50 px-4 py-3 text-xs text-slate-700 space-y-1">
-        <p><span className="text-blue-600 font-medium">V5.1评分逻辑：</span>方向层45分 + 拥挤层20分 + 环境层15分 + 确认层15分 + 辅助层5分（方向加速可额外+5）。</p>
-        <p><span className="text-blue-600 font-medium">开仓档位：</span>&lt;60不开仓，60-74轻仓，75-84标准仓位，≥85允许加仓；信号冷却10分钟。</p>
+      {/* 说明 - 紧凑 */}
+      <div className="rounded-lg border border-blue-100 bg-blue-50 px-3 py-2 text-[10px] text-slate-600">
+        <span className="text-blue-600 font-medium">评分：</span>方向45 + 拥挤20 + 环境15 + 确认15 + 辅助5（+加速5）· 
+        <span className="text-blue-600 font-medium">档位：</span>&lt;60不开仓 · 60-74轻仓 · 75-84标准 · ≥85加仓
       </div>
     </div>
   );