From 8251308f72c1b45b814993f91e1e16480259e546 Mon Sep 17 00:00:00 2001
From: zhenghu <1831829219@qq.com>
Date: Tue, 14 Apr 2026 15:16:31 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20=E6=8F=90=E5=8F=96=20hex=5Fto=5Frgb?=
 =?UTF-8?q?a=20=E5=87=BD=E6=95=B0=E8=A7=84=E8=8C=83=E9=A2=9C=E8=89=B2?=
 =?UTF-8?q?=E9=80=8F=E6=98=8E=E5=BA=A6=E5=A4=84=E7=90=86?=
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  将图表 fill 颜色的硬编码十六进制拼接替换为 hex_to_rgba
  辅助函数调用，使颜色转换逻辑更清晰、可维护。
---
 app.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/app.py b/app.py
index bad2ff6..7ed69f8 100644
--- a/app.py
+++ b/app.py
@@ -8,6 +8,15 @@ from plotly.subplots import make_subplots
 
 from simulator import run_wofost, run_multi_crop, list_available_crops, CROP_META
 
+
+def hex_to_rgba(hex_color: str, alpha: float = 0.1) -> str:
+    hex_color = hex_color.lstrip("#")
+    r = int(hex_color[0:2], 16)
+    g = int(hex_color[2:4], 16)
+    b = int(hex_color[4:6], 16)
+    return f"rgba({r}, {g}, {b}, {alpha})"
+
+
 # ─── Page Config ────────────────────────────────────────────────────────────
 st.set_page_config(
     page_title="麦麦智农",
@@ -274,7 +283,7 @@ with chart_left:
             mode="lines",
             line=dict(color=crop_info["color"], width=2.5),
             fill="tozeroy",
-            fillcolor=crop_info["color"] + "1A",
+            fillcolor=hex_to_rgba(crop_info["color"], 0.1),
             name="LAI",
         ))
         # 添加生育期标记