From 51304487d9f50828b0a06df43ee5f71937385d4a Mon Sep 17 00:00:00 2001
From: JOJO <1498581755@qq.com>
Date: Thu, 6 Aug 2026 02:54:47 +0800
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---
 star-raid/js/render.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/star-raid/js/render.js b/star-raid/js/render.js
index b1f3b70..23add58 100644
--- a/star-raid/js/render.js
+++ b/star-raid/js/render.js
@@ -291,11 +291,12 @@ function drawProgenitor(b,t,fl,tf){ // 太空原种·装甲虫兽（tf 0=装甲
   circ(swT,tipY+2,1.1,"#ffdfe5");
   // —— 壳下血肉（常存于背甲之下，滑开才见；血红，非粉） ——
   if(tf>0){ctx.globalAlpha=tf*0.9;
-    poly([0,-36,9,-29,11,-14,10,2,9,16,8,22,-8,22,-9,16,-10,2,-11,-14,-9,-29],"#c8202e");
-    px(-2,-30,4,52,"#e8393a");ctx.globalAlpha=1;}
+    poly([0,-36,9,-29,11,-14,10,2,9,14,7,16,-7,16,-9,14,-10,2,-11,-14,-9,-29],"#c8202e");
+    px(-2,-30,4,45,"#e8393a");ctx.globalAlpha=1;}
   // —— 背甲两瓣：沿背脊中线裂开，P2向外滑开（同一多边形平移） ——
   for(const sd of[-1,1]){ctx.save();ctx.translate(sd*tf*7,0);
-    poly([0,-40,sd*11,-37,sd*15,-28,sd*13,-12,sd*12,4,sd*11,14,sd*10,20,0,20],sd<0?"#c9d6e2":"#9fb0c2");
+    poly([0,-40,sd*11,-37,sd*15,-28,sd*13,-12,sd*12,4,sd*11,14,0,14],sd<0?"#c9d6e2":"#9fb0c2");   // 末端平边与尾节同材质（#c9d6e2）
+    px(sd<0?-11:0,12,11,2,sd<0?"#e8f0f6":"#8498ac");   // 底缘左亮右暗（与尾节描边一致，接缝读作甲片缝）
     poly([0,-40,sd*11,-37,sd*15,-28,sd*7,-26,sd*5,-36],"#e8f0f6");   // 受光斜面
     for(let i=0;i<4;i++)px(sd*(4+i*2.8)-1,-24+i*9,2,5,"#5a6c80");     // 甲片板缝
     const crk=Math.max(0,Math.min(1,(tf-0.15)/0.4))*10;                 // 裂纹随tf生长（延长，非新增）