diff --git a/js/enemies.js b/js/enemies.js
index 1d6e814..3652c71 100644
--- a/js/enemies.js
+++ b/js/enemies.js
@@ -218,7 +218,7 @@ function startBoss(){
   G.boss={idx,x:W/2,y:-60,ty:64,hp:b.hp*hpM,maxhp:b.hp*hpM,r:(b.rr?b.rr[0]:b.r),ry:(b.ryy?b.ryy[0]:undefined),t:0,phase:0,transT:0,
     col:b.col,name:b.name,sub:b.sub,fireM:BAL.fireMul(n)*(G.diff===1?BAL.hard.fire:1),dead:false,
     mainT:100,minorT:9999,minorSet:[],rerollT:340,ax:W/2,ay:64,mt:0,landed:false};
-  if(b.main==="piano")G.boss.mainT=36;   // 激光钢琴：缩短开局空窗
+  if(b.main==="piano")G.boss.mainT=24;   // 激光钢琴：缩短开局空窗
   G.bossN++;SFX.warn();MUS.start(true);
   banner("WARNING — "+b.name,"#ff5566",150);
 }
@@ -249,13 +249,13 @@ function updateBoss(){
       if(G.time%9===0){const a5=Math.atan2(aimPt().y-b.y,aimPt().x-b.x);ebul(b.x,b.y,a5,2.7,"orbR",13);}   // 冲撞途中瞄准弹
       if(ds.t<=0||b.y>H+26||b.y<-46||b.x<-26||b.x>W+26){ds.ph="back";ds.t=160;}}
     else{b.x+=(b.ax-b.x)*0.045;b.y+=(b.ay-b.y)*0.045;ds.t--;
-      if(ds.t<=0||(Math.abs(b.x-b.ax)<5&&Math.abs(b.y-b.ay)<5)){b.dashSt=null;b.mainT=Math.round(70/b.fireM);}}
+      if(ds.t<=0||(Math.abs(b.x-b.ax)<5&&Math.abs(b.y-b.ay)<5)){b.dashSt=null;b.mainT=Math.round(105/b.fireM);}}   // 冲撞间隔+50%
     updateFunnels();return;
   }
   // —— 常规移动 ——
   if(def.static){b.x+=(W/2-b.x)*0.05;b.y+=(52-b.y)*0.02;}
-  else if(b.idx===3){b.x=W/2+Math.sin(b.mt*0.021)*62;b.y=b.ty+Math.sin(b.mt*0.013)*15;}   // 暗黑突击：小体型高机动
-  else b.x=W/2+Math.sin(b.mt*0.008)*(def.wide?44:70);   // 宽体Boss减小游走幅度，防止巨翼出屏
+  else if(b.idx===3){b.x=W/2+Math.sin(b.mt*0.034)*62;b.y=b.ty+Math.sin(b.mt*0.021)*18;}   // 暗黑突击：小体型高机动（空闲大幅提速）
+  else{b.x=W/2+Math.sin(b.mt*0.013)*(def.wide?44:70);b.y=b.ty+Math.sin(b.mt*0.011)*(def.wide?8:12);}   // 通用游走提速+上下浮动（钢琴站桩除外）
   b.mt++;
   const fm=b.fireM*(1+0.22*b.phase);
   if(b.fnT>0)b.fnT--;if(b.plT>0)b.plT--;if(b.eyeT>0)b.eyeT--;if(b.hornT>0)b.hornT--;if(b.laserT>0)b.laserT--;   // 帧级技能计时器
@@ -270,6 +270,7 @@ function updateBoss(){
     b.minorSet=[];for(let i=0;i<cnt&&pool.length;i++)b.minorSet.push(pool[rndi(0,pool.length-1)]);
     b.minorT=50;}
   b.minorT--;
+  if(b.idx===3&&b.minorT>0)b.minorT--;   // 暗黑突击：空闲攻击频率翻倍
   if(b.minorT<=0&&!lck)for(const mk of b.minorSet)bossMinor(b,mk,fm);
   updateFunnels();
 }
@@ -298,7 +299,7 @@ function bossMain(b,def,fm){
     case "assault":  // 暗黑突击：启动冲撞（锚点记当前位置，冲撞归来后正弦从此继续）
       b.dashSt={ph:"tele",t:52};b.ax=b.x;b.ay=b.y;b.mainT=9999;break;
     case "piano": {  // 激光钢琴：21键，四种模式轮换——顺扫(逼走位)/反扫/乱序/齐射
-      if(!b.keys)b.keys={n:21,seq:[],i:0,t:8,hot:-1,hotT:0,hotList:null,mode:3};
+      if(!b.keys)b.keys={n:21,seq:[],i:0,t:2,hot:-1,hotT:0,hotList:null,mode:3};
       const ks=b.keys,n=ks.n;
       if(ks.hotT>0){ks.hotT--;
         if(ks.hotT===0){const list=ks.hotList||[ks.hot];
@@ -313,13 +314,13 @@ function bossMain(b,def,fm){
           else if(ks.mode===1){ks.seq=[];for(let i=n-1;i>=0;i--)ks.seq.push(i);}
           else if(ks.mode===2){ks.seq=shuffled(n);}
           else{ks.seq=[];for(let i=0;i<6+ph*2;i++)ks.seq.push(-1);}   // -1=齐射标记
-          ks.i=0;ks.t=Math.round((ph?24:40)/fm);
+          ks.i=0;ks.t=Math.round((ph?8:14)/fm);   // 光速进入下一种模式
         }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.t=Math.round((ph?22:34)/fm);}
-          else{ks.hot=cur;ks.hotT=3;ks.t=Math.round((ph?2:3)/fm);}   // 扫射模式：快速连发
+          if(cur===-1){const pool=shuffled(n);ks.hotList=pool.slice(0,4+ph*2);ks.hotT=4;ks.t=Math.round((ph?8:12)/fm);}
+          else{ks.hot=cur;ks.hotT=1;ks.t=Math.round((ph?1:1)/fm);}   // 扫射模式：每tick一键（≈5倍速）
         }
       }
-      b.mainT=6;break;}
+      b.mainT=2;break;}
     case "hive":  // 母巢核心：环弹+孵化
       for(let i=0;i<10+ph*4;i++)ebul(b.x,b.y,i/(10+ph*4)*TAU+b.t*0.03,1.6+0.2*ph,"orbO");
       if(b.t%240<3)for(let i=0;i<1+ph;i++)spawnEnemy(ph>=2?"kami":"mini",b.x+rnd(-30,30),b.y+8,false);
diff --git a/js/render.js b/js/render.js
index f27d798..ec63d0f 100644
--- a/js/render.js
+++ b/js/render.js
@@ -179,9 +179,9 @@ function drawBoss(){
 function drawProgenitor(t,fl,tf){ // 太空原种：同一躯体连续演化（tf 0=虫蛹→1=完全体），无部件凭空出现
   ctx.rotate(Math.sin(t*0.05)*0.05);
   const wE=Math.min(1,tf*1.2);   // 展翅进度
-  // —— 翅膀：折叠时收在躯体正后方偏下（被身体完全遮住），自背后向两侧展开 ——
+  // —— 翅膀：折叠时收在躯体后方偏上（被身体完全遮住），自背后向两侧展开 ——
   ctx.save();
-  ctx.translate(0,10);
+  ctx.translate(0,-12);
   ctx.scale(0.05+0.95*wE,(0.55+0.45*wE)*(1+Math.sin(t*0.07)*0.04*wE));
   poly([0,-20,-26,-14,-52,-4,-76,6,-58,12,-34,10,-16,16,0,20],"#c86aa8");
   poly([0,-20,26,-14,52,-4,76,6,58,12,34,10,16,16,0,20],"#c86aa8");
@@ -325,6 +325,10 @@ function render(){
       if(b.scale&&b.scale!==1){const sp=SPR[b.spr];   // 成长弹（花弹）
         ctx.save();ctx.translate(Math.round(b.x),Math.round(b.y));ctx.scale(b.scale,b.scale);
         ctx.drawImage(sp,-Math.round(sp.width/2),-Math.round(sp.height/2));ctx.restore();}
+      else if(b.spr==="dartS"||b.spr==="dartB"||b.spr==="dartP"){const sp=SPR[b.spr];   // 长条弹：按飞行方向偏转
+        ctx.save();ctx.translate(Math.round(b.x),Math.round(b.y));
+        ctx.rotate(Math.atan2(b.vy,b.vx)-Math.PI/2);
+        ctx.drawImage(sp,-Math.round(sp.width/2),-Math.round(sp.height/2));ctx.restore();}
       else drawSprite(SPR[b.spr],b.x,b.y);}
     // 玩家子弹
     for(const b of G.pb){
diff --git a/js/sprites.js b/js/sprites.js
index d32ce03..e319dfe 100644
--- a/js/sprites.js
+++ b/js/sprites.js
@@ -105,8 +105,8 @@ SPR.flowr=bake([
 "....P....",".P..P..P.","..PPPPP..",".PPWWWPP.","PPPWWWPPP",
 ".PPWWWPP.","..PPPPP..",".P..P..P.","....P...."],
 {P:"#ff8fc8",W:"#ffffff"}); // 太空原种：花弹（圆形八刺，会逐渐变大）
-SPR.dartS=bake(["WW","WW","CC","CC","CC","CC","CC","CC","CC","CC","CC","CC"],
-{W:"#f2fbff",C:"#5ec4ff"}); // 夺权者X：蓝白细长钉（2×12）
+SPR.dartS=bake(["CC","CC","CC","CC","CC","CC","CC","CC","CC","CC","WW","WW"],
+{W:"#f2fbff",C:"#5ec4ff"}); // 夺权者X：蓝白细长钉（2×12，白尖朝运动方向）
 SPR.dartP=bake(["KPPPK",".PPP.",".PWP.","..P.."],{K:"#2a1040",P:"#b98cff",W:"#ead9ff"}); // 暗黑魔碟：紫锥弹
 SPR.orbR=orb("#ffe9e9","#ff5566");SPR.orbP=orb("#f4e9ff","#b05ce8");
 SPR.orbG=orb("#e9ffe9","#5cff9d");SPR.orbO=orb("#fff4d9","#ff9a3d");