diff --git a/src/routes/hot-map.tsx b/src/routes/hot-map.tsx
index 56a1055..aca0ffb 100644
--- a/src/routes/hot-map.tsx
+++ b/src/routes/hot-map.tsx
@@ -394,11 +394,11 @@ function drawStockNodes(
     const r = isActive ? n.radius + 3 : n.radius;
     const pr = r * (1 + heartbeat * PULSE_AMPLITUDE);
 
-    // 涨跌光晕：随心跳脉动的径向渐变，正=红 / 负=绿
+    // 涨跌光晕：所有股票统一强度(不随覆盖数 alpha 衰减)，随心跳脉动，正=红 / 负=绿
     const glowColor = isPos ? "rgba(239,68,68," : "rgba(34,197,94,"; // 红/绿
     const glowR = pr * 1.9;
     const glow = ctx.createRadialGradient(x, y, pr * 0.2, x, y, glowR);
-    glow.addColorStop(0, `${glowColor}${0.28 * alpha})`);
+    glow.addColorStop(0, `${glowColor}${dim ? 0.06 : 0.5})`);
     glow.addColorStop(1, `${glowColor}0)`);
     ctx.beginPath();
     ctx.arc(x, y, glowR, 0, TAU);