diff --git a/game/ui/EndScreenModal.ts b/game/ui/EndScreenModal.ts
new file mode 100644
index 0000000..9d322df
--- /dev/null
+++ b/game/ui/EndScreenModal.ts
@@ -0,0 +1,171 @@
+/**
+ * 游戏结束模态弹窗（胜利 / 失败）
+ * DOM 层实现（z-index: 9998），覆盖 canvas
+ */
+
+export interface VictoryData {
+  kpi: number
+  hc: number
+  grade: string
+  gradeColor: string
+  gradeDesc: string
+}
+
+function injectEndStyles(): void {
+  if (document.getElementById('end-screen-styles')) return
+  const style = document.createElement('style')
+  style.id = 'end-screen-styles'
+  style.textContent = `
+    @keyframes endOverlayIn { from { opacity: 0 } to { opacity: 1 } }
+    @keyframes endCardIn { from { transform: scale(0.8); opacity: 0 } to { transform: scale(1); opacity: 1 } }
+  `
+  document.head.appendChild(style)
+}
+
+function buildOverlay(): HTMLElement {
+  const overlay = document.createElement('div')
+  overlay.id = 'end-screen-overlay'
+  overlay.style.cssText = `
+    position: fixed;
+    inset: 0;
+    background: rgba(0,0,0,0.85);
+    z-index: 9998;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-family: 'VT323', monospace;
+    animation: endOverlayIn 0.4s ease;
+  `
+  return overlay
+}
+
+function buildVictoryCard(data: VictoryData): HTMLElement {
+  const card = document.createElement('div')
+  card.style.cssText = `
+    background: #0f0c29;
+    border: 2px solid #d97706;
+    border-radius: 14px;
+    padding: 36px 48px;
+    max-width: 480px;
+    width: 90%;
+    text-align: center;
+    box-shadow: 0 0 60px rgba(217,119,6,0.4);
+    animation: endCardIn 0.4s ease;
+  `
+  card.innerHTML = `
+    <div style="font-size:32px;color:#fbbf24;letter-spacing:4px;margin-bottom:24px;">绩效评级公示</div>
+    <div style="background:rgba(255,255,255,0.04);border-radius:8px;padding:16px;margin-bottom:20px;">
+      <div style="display:flex;justify-content:space-between;font-size:20px;color:#9ca3af;margin-bottom:6px;">
+        <span>最终KPI</span><span style="color:#e2e8f0">${data.kpi}%</span>
+      </div>
+      <div style="display:flex;justify-content:space-between;font-size:20px;color:#9ca3af;">
+        <span>剩余HC</span><span style="color:#86efac">${data.hc}</span>
+      </div>
+    </div>
+    <div style="font-size:28px;color:${data.gradeColor};margin-bottom:10px;text-shadow:0 0 12px ${data.gradeColor}88;">
+      ${data.grade}
+    </div>
+    <div style="font-size:16px;color:#9ca3af;margin-bottom:28px;">${data.gradeDesc}</div>
+  `
+  const btnWrap = document.createElement('div')
+  btnWrap.style.cssText = 'display:flex;gap:16px;justify-content:center;'
+
+  const restartBtn = document.createElement('button')
+  restartBtn.textContent = '再战一局'
+  restartBtn.style.cssText = `
+    padding:12px 28px;background:#7c3aed;color:#fff;border:2px solid #7c3aed;
+    border-radius:8px;font-family:'VT323',monospace;font-size:20px;cursor:pointer;
+  `
+  restartBtn.addEventListener('click', () => window.location.reload())
+
+  const homeBtn = document.createElement('button')
+  homeBtn.textContent = '见好就收'
+  homeBtn.style.cssText = `
+    padding:12px 28px;background:#374151;color:#d1d5db;border:1px solid #4b5563;
+    border-radius:8px;font-family:'VT323',monospace;font-size:20px;cursor:pointer;
+  `
+  homeBtn.addEventListener('click', () => { window.location.href = '/' })
+
+  btnWrap.appendChild(restartBtn)
+  btnWrap.appendChild(homeBtn)
+  card.appendChild(btnWrap)
+  return card
+}
+
+function buildDefeatCard(): HTMLElement {
+  const card = document.createElement('div')
+  card.style.cssText = `
+    background: #ffffff;
+    border-radius: 14px;
+    max-width: 420px;
+    width: 90%;
+    overflow: hidden;
+    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
+    animation: endCardIn 0.4s ease;
+  `
+  const topBar = document.createElement('div')
+  topBar.textContent = '系统通知 — 人力资源管理系统'
+  topBar.style.cssText = `
+    background: #1677ff;
+    color: #fff;
+    font-family: 'VT323', monospace;
+    font-size: 18px;
+    padding: 10px 20px;
+    letter-spacing: 2px;
+  `
+  card.appendChild(topBar)
+
+  const body = document.createElement('div')
+  body.style.cssText = 'padding: 28px 32px 24px;'
+  body.innerHTML = `
+    <div style="font-size:48px;text-align:center;margin-bottom:16px;">📋</div>
+    <div style="font-family:'VT323',monospace;font-size:18px;color:#333;line-height:1.7;margin-bottom:24px;text-align:center;">
+      鉴于您近期的表现未能达成业务闭环，<br/>
+      经公司管理层研究决定，<br/>
+      对您进行<strong style="color:#ef4444">「毕业」</strong>处理。<br/>
+      请于5分钟内归还工牌，<br/>
+      不要带走办公文具。
+    </div>
+  `
+
+  const btnWrap = document.createElement('div')
+  btnWrap.style.cssText = 'display:flex;gap:12px;justify-content:center;'
+
+  const restartBtn = document.createElement('button')
+  restartBtn.textContent = '领取 N+1'
+  restartBtn.style.cssText = `
+    padding:10px 24px;background:#1677ff;color:#fff;border:none;
+    border-radius:6px;font-family:'VT323',monospace;font-size:20px;cursor:pointer;
+  `
+  restartBtn.addEventListener('click', () => window.location.reload())
+
+  const homeBtn = document.createElement('button')
+  homeBtn.textContent = '申请仲裁'
+  homeBtn.style.cssText = `
+    padding:10px 24px;background:#f3f4f6;color:#374151;border:1px solid #d1d5db;
+    border-radius:6px;font-family:'VT323',monospace;font-size:20px;cursor:pointer;
+  `
+  homeBtn.addEventListener('click', () => { window.location.href = '/' })
+
+  btnWrap.appendChild(restartBtn)
+  btnWrap.appendChild(homeBtn)
+  body.appendChild(btnWrap)
+  card.appendChild(body)
+  return card
+}
+
+/** 显示胜利结算弹窗 */
+export function showVictoryModal(data: VictoryData): void {
+  injectEndStyles()
+  const overlay = buildOverlay()
+  overlay.appendChild(buildVictoryCard(data))
+  document.body.appendChild(overlay)
+}
+
+/** 显示失败结算弹窗 */
+export function showDefeatModal(): void {
+  injectEndStyles()
+  const overlay = buildOverlay()
+  overlay.appendChild(buildDefeatCard())
+  document.body.appendChild(overlay)
+}
diff --git a/game/ui/HUD.ts b/game/ui/HUD.ts
index da12a53..fd7491c 100644
--- a/game/ui/HUD.ts
+++ b/game/ui/HUD.ts
@@ -1,9 +1,11 @@
 import type Phaser from 'phaser'
 import { GAME_WIDTH, HUD_HEIGHT } from '../constants'
+import { GameManager } from '../GameManager'
+import { showVictoryModal, showDefeatModal } from './EndScreenModal'
 
 /**
  * 游戏 HUD 辅助工具
- * 负责管理"召唤下一波"按钮和波次提示横幅
+ * 负责管理"召唤下一波"按钮、波次提示横幅、胜利/失败结算弹窗
  */
 export class HUD {
   private scene: Phaser.Scene
@@ -34,18 +36,12 @@ export class HUD {
       .setInteractive({ useHandCursor: true })
 
     this.waveBtn.on('pointerover', () => {
-      if (this.waveBtn) {
-        this.waveBtn.setStyle({ backgroundColor: '#2d5a8e' })
-      }
+      if (this.waveBtn) this.waveBtn.setStyle({ backgroundColor: '#2d5a8e' })
     })
     this.waveBtn.on('pointerout', () => {
-      if (this.waveBtn) {
-        this.waveBtn.setStyle({ backgroundColor: '#1e3a5f' })
-      }
-    })
-    this.waveBtn.on('pointerdown', () => {
-      onClick()
+      if (this.waveBtn) this.waveBtn.setStyle({ backgroundColor: '#1e3a5f' })
     })
+    this.waveBtn.on('pointerdown', () => onClick())
   }
 
   /** 更新按钮文字（如禁用状态） */
@@ -67,6 +63,7 @@ export class HUD {
   /**
    * 显示波次开始横幅
    * @param waveNumber 当前波次（1-based）
+   * @param totalWaves 总波次数
    */
   showWaveBanner(waveNumber: number, totalWaves: number): void {
     const isBoss = waveNumber === totalWaves
@@ -98,10 +95,10 @@ export class HUD {
     })
   }
 
-  /** 显示周报触发提示 */
+  /** 显示周报触发提示横幅 */
   showWeeklyReportAlert(): void {
     const banner = this.scene.add
-      .text(GAME_WIDTH / 2, HUD_HEIGHT + 120, '📋 季度周报截止！效率翻倍！', {
+      .text(GAME_WIDTH / 2, HUD_HEIGHT + 120, '周报时间到！请选择正确黑话！', {
         fontFamily: "'Press Start 2P', monospace",
         fontSize: '11px',
         color: '#FCD34D',
@@ -122,51 +119,40 @@ export class HUD {
     })
   }
 
-  /** 显示胜利画面 */
+  /** 显示胜利画面（完整绩效评级弹窗，委托给 EndScreenModal） */
   showVictory(): void {
-    const overlay = this.scene.add.graphics()
-    overlay.fillStyle(0x000000, 0.6)
-    overlay.fillRect(0, 0, GAME_WIDTH, 720)
-    overlay.setDepth(50)
+    const manager = GameManager.getInstance()
+    const kpi = manager.kpi
+    const hc = manager.hc
 
-    this.scene.add
-      .text(GAME_WIDTH / 2, 300, '🎉 大厂保卫成功！', {
-        fontFamily: "'Press Start 2P', monospace",
-        fontSize: '22px',
-        color: '#A78BFA',
-        backgroundColor: '#0A1628',
-        padding: { x: 24, y: 12 },
-      })
-      .setOrigin(0.5, 0.5)
-      .setDepth(55)
+    let grade: string
+    let gradeColor: string
+    let gradeDesc: string
 
-    this.scene.add
-      .text(GAME_WIDTH / 2, 380, 'KPI 绩效已发放！', {
-        fontFamily: 'VT323, monospace',
-        fontSize: '24px',
-        color: '#A78BFA',
-      })
-      .setOrigin(0.5, 0.5)
-      .setDepth(55)
+    if (kpi >= 80) {
+      grade = 'S级 "超出预期"'
+      gradeColor = '#fbbf24'
+      gradeDesc = '恭喜晋升为高级打工人！福报已在路上...'
+    } else if (kpi >= 60) {
+      grade = 'A级 "达成预期"'
+      gradeColor = '#34d399'
+      gradeDesc = '表现良好，明年涨薪3%（扣去通胀后-2%）'
+    } else if (kpi >= 40) {
+      grade = 'B级 "基本达成"'
+      gradeColor = '#60a5fa'
+      gradeDesc = '还需努力，下月开始996'
+    } else {
+      grade = 'C级 "未达预期"'
+      gradeColor = '#f87171'
+      gradeDesc = '已被纳入待优化名单'
+    }
+
+    showVictoryModal({ kpi, hc, grade, gradeColor, gradeDesc })
   }
 
-  /** 显示失败画面 */
+  /** 显示失败画面（仿钉钉退群通知，委托给 EndScreenModal） */
   showGameOver(): void {
-    const overlay = this.scene.add.graphics()
-    overlay.fillStyle(0x000000, 0.7)
-    overlay.fillRect(0, 0, GAME_WIDTH, 720)
-    overlay.setDepth(50)
-
-    this.scene.add
-      .text(GAME_WIDTH / 2, 300, 'KPI 归零！被裁了！', {
-        fontFamily: "'Press Start 2P', monospace",
-        fontSize: '18px',
-        color: '#EF4444',
-        backgroundColor: '#0A1628',
-        padding: { x: 24, y: 12 },
-      })
-      .setOrigin(0.5, 0.5)
-      .setDepth(55)
+    showDefeatModal()
   }
 
   destroy(): void {