diff --git a/star-raid/js/enemies.js b/star-raid/js/enemies.js
index 901d9cc..6871408 100644
--- a/star-raid/js/enemies.js
+++ b/star-raid/js/enemies.js
@@ -396,7 +396,8 @@ function bossMain(b,def,fm){
       if(ks.hotT>0){ks.hotT--;
         if(ks.hotT===0){const list=ks.hotList||[ks.hot];
           for(const kh of list){if(kh<0)continue;const kx=-(n-1)*5+kh*10;   // 与drawPiano键位一致（整数键距10）
-            bossBeam(b.x+kx,b.y+18,b.x+kx,H+8,4,"#43e8ff",7,22,18,{b,ox:kx,oy:18,followX2:true});}
+            const sdur=(ks.mode<=1||ks.mode===4)?6:22;   // 顺/反扫/滑奏光束6帧短闪（同屏≤3条，扫感清晰）；乱序/齐射保持22帧持续
+            bossBeam(b.x+kx,b.y+18,b.x+kx,H+8,4,"#43e8ff",7,sdur,18,{b,ox:kx,oy:18,followX2:true});}
           ks.hotList=null;ks.hot=-1;SFX.eshoot();}}
       ks.t--;
       if(ks.t<=0&&ks.hotT<=0){
@@ -407,10 +408,10 @@ function bossMain(b,def,fm){
           else if(ks.mode===2){ks.seq=shuffled(n);}
           else if(ks.mode===3){ks.seq=[];for(let i=0;i<6+ph*2;i++)ks.seq.push(-1);}   // -1=齐射标记
           else{ks.seq=[];for(let i=0;i<n-3;i++)ks.seq.push(i);for(let i=n-4;i>=0;i--)ks.seq.push(i);}   // 滑奏：顺扫到尾立刻反扫回来
-          ks.i=0;ks.t=Math.round((ph?14:22)/fm);
+          ks.i=0;ks.t=Math.round(14/fm);   // 局间停顿统一（P1/P2同节奏，不再阶段差异）
         }else{const cur=ks.seq[ks.i++];
           if(cur===-1){const pool=shuffled(n);ks.hotList=pool.slice(0,4+ph*2);ks.hotT=9;ks.hotT0=9;ks.t=Math.round((ph?21:30)/fm);}   // 齐射：慢50%
-          else if(ks.mode<=1||ks.mode===4){ks.hot=cur;ks.hotT=1;ks.hotT0=1;ks.t=Math.max(1,Math.round(2/(1.6*fm)));}   // 顺扫/反扫/滑奏：统一极速（P1/P2同速，每键1帧，≈0.3秒扫完全屏）
+          else if(ks.mode<=1||ks.mode===4){ks.hot=cur;ks.hotT=1;ks.hotT0=1;ks.t=Math.max(2,Math.round(2/(1.6*fm)));}   // 顺扫/反扫/滑奏：键间隔统一2帧（P1/P2同速≈0.6秒扫完；配合6帧短光束=干净扫射）
           else{if(ph>=1){ks.hotList=[cur,ks.i<ks.seq.length?ks.seq[ks.i++]:cur];ks.hot=-1;}else{ks.hot=cur;}ks.hotT=9;ks.hotT0=9;ks.t=Math.round((ph?3:5)/fm);}   // 乱序：P2一次点2键（和音）；前摇与齐射一致(9帧)
         }
       }