From f98a9255a50a1650d2b73230e9ff2935249d69cf Mon Sep 17 00:00:00 2001
From: Sakurasan <26715255+Sakurasan@users.noreply.github.com>
Date: Tue, 11 Aug 2026 01:07:59 +0800
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半径 = 覆盖数基础 + 涨幅绝对值增量(|f3|/10*4, 封顶20)，
涨得猛/跌得深球更大。同覆盖下 0%vs10% 球径差约4px。

Co-Authored-By: Claude <noreply@anthropic.com>
---
 src/routes/hot-map.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/routes/hot-map.tsx b/src/routes/hot-map.tsx
index 303ae5c..c6dcabe 100644
--- a/src/routes/hot-map.tsx
+++ b/src/routes/hot-map.tsx
@@ -730,7 +730,8 @@ function HotMapGraph({ graph }: { graph: ThemeGraph }) {
       f62: s.f62,
       f100: s.f100,
       themeCodes: s.themeCodes,
-      radius: Math.min(18, 4 + s.coverCount * 1.3),
+      // 基础半径来自覆盖数，涨幅绝对值作增量：涨得猛/跌得深球更大
+      radius: Math.min(20, 3 + s.coverCount * 1.2 + (Math.abs(s.f3 ?? 0) / 10) * 4),
     }));
     // 题材涨幅绝对值作为球大小的归一化基准（兜底 ≥1 防除零）
     const maxAbsBf3 = Math.max(1, ...graph.themes.map((t) => Math.abs(t.bf3 ?? 0)));