diff --git a/apps/design-lab/e2e/pages.spec.ts b/apps/design-lab/e2e/pages.spec.ts
index 552f74b..d13352b 100644
--- a/apps/design-lab/e2e/pages.spec.ts
+++ b/apps/design-lab/e2e/pages.spec.ts
@@ -68,6 +68,21 @@ test.describe('CourseCard 规格契约', () => {
     recipes.forEach((r) => expect(r.split('rgb(17, 17, 17)').length - 1).toBe(1)) // 每卡只出一份阴影
   })
 
+  test('价值区标记用法卡：相框静置态过程文字带荧光 Mark', async ({ page }) => {
+    const m = await page.evaluate(() => {
+      const card = document.querySelector('a[href="#ch4"]')
+      const mark = card?.querySelector('mark')
+      if (!card || !mark) return null
+      const cs = getComputedStyle(mark)
+      return { bg: cs.backgroundColor, rot: cs.rotate, inZone: !!card.querySelector('.aspect-video mark'), txt: mark.textContent }
+    })
+    expect(m).not.toBeNull()
+    expect(m!.inZone).toBeTruthy() // 标记骑在相框内的过程文字上
+    expect(m!.bg).toBe('rgb(255, 217, 61)') // 荧光笔 mustard
+    expect(m!.rot).toContain('deg')
+    expect(m!.txt).toContain('咬合')
+  })
+
   test('16:9 相框：比例、3px 黑边、内阴影、章节撞色', async ({ page }) => {
     const zone = page.locator('a[href="#ch1"] .aspect-video').first()
     const s = await zone.evaluate((el) => {
diff --git a/apps/design-lab/e2e/visual.spec.ts-snapshots/components-chromium-linux.png b/apps/design-lab/e2e/visual.spec.ts-snapshots/components-chromium-linux.png
index 5d17b50..727cbaa 100644
Binary files a/apps/design-lab/e2e/visual.spec.ts-snapshots/components-chromium-linux.png and b/apps/design-lab/e2e/visual.spec.ts-snapshots/components-chromium-linux.png differ
diff --git a/apps/design-lab/src/components/MemphisCard.tsx b/apps/design-lab/src/components/MemphisCard.tsx
index 3a75a51..8f52165 100644
--- a/apps/design-lab/src/components/MemphisCard.tsx
+++ b/apps/design-lab/src/components/MemphisCard.tsx
@@ -2,7 +2,7 @@
  * 卡头三件套＝靶子：▲目标 + ○预期结果(16:9 相框) + ●积木点列
  * 交互：hover/聚焦拿起（浮起+投影加深）并播放 GIF；desc ⇄ GIF 每 8000ms 翻转；
  *      hover/Tab 锁定；触屏与 prefers-reduced-motion 不翻转。 */
-import { useEffect, useRef, useState } from 'react'
+import { useEffect, useRef, useState, type ReactNode } from 'react'
 import type { Chapter } from '../lib/types'
 import { Ring, Tri } from './shapes'
 
@@ -33,7 +33,18 @@ export function EntryBadge({ n }: { n: 1 | 2 | 3 }) {
   )
 }
 
-export function MemphisCard({ chapter, entry, compact = false }: { chapter: Chapter; entry?: 1 | 2 | 3; compact?: boolean }) {
+export function MemphisCard({
+  chapter,
+  entry,
+  compact = false,
+  zoneText,
+}: {
+  chapter: Chapter
+  entry?: 1 | 2 | 3
+  compact?: boolean
+  /** 静置态相框文字（可含 <Mark> 荧光标记）：教程卡片的价值区用法示例 */
+  zoneText?: ReactNode
+}) {
   const [gifOn, setGifOn] = useState(false)
   const [locked, setLocked] = useState(false)
   const boxRef = useRef<HTMLAnchorElement>(null)
@@ -100,6 +111,9 @@ export function MemphisCard({ chapter, entry, compact = false }: { chapter: Chap
           <span className="px-3 text-center text-[11px] leading-snug text-ink/80 mix-blend-multiply">
             {chapter.target.goal}
           </span>
+        ) : zoneText ? (
+          /* 静置态（用法示例）：过程文字骑在相框里，价值区短语带荧光标记 */
+          <span className="px-3 text-center text-[11.5px] font-semibold leading-snug text-ink">{zoneText}</span>
         ) : (
           /* 静置态：章节 emoji 是相框的视觉主体（对齐设计稿解剖卡） */
           <span style={{ fontSize: compact ? '28px' : '40px' }}>{chapter.emoji}</span>
diff --git a/apps/design-lab/src/pages/components/App.tsx b/apps/design-lab/src/pages/components/App.tsx
index d1b35d9..c1aa143 100644
--- a/apps/design-lab/src/pages/components/App.tsx
+++ b/apps/design-lab/src/pages/components/App.tsx
@@ -3,6 +3,7 @@ import { ASSIGNMENT, CHAPTERS } from '../../lib/chapters'
 import { MemphisCard } from '../../components/MemphisCard'
 import { AssignBlock, Ticket } from '../../components/Ticket'
 import { EntryGuide } from '../../components/EntryGuide'
+import { Mark } from '../../components/shapes'
 
 export function App() {
   return (
@@ -11,11 +12,17 @@ export function App() {
       title="组件 · 入口载体与状态"
       desc="CourseCard（入口）· 票券（状态）· 指派块＋脱靶标记（任务与警示）· 入口画像。线条的形式规格见 02 符号形状，与卡片的实际组合见 04 样例。"
     >
-      <Section label="CourseCard" note="卡头三件套＝靶子；hover 拿起播放 GIF，8000ms 翻转">
+      <Section label="CourseCard" note="卡头三件套＝靶子；hover 拿起播放 GIF，8000ms 翻转；末张＝价值区标记用法">
         <div className="flex flex-wrap items-start gap-8">
           <div className="w-[280px]"><MemphisCard chapter={CHAPTERS[1]} entry={1} /></div>
           <div className="w-[280px]"><MemphisCard chapter={CHAPTERS[2]} entry={2} /></div>
           <div className="w-[160px]"><MemphisCard chapter={CHAPTERS[5]} compact /></div>
+          <div className="w-[280px]">
+            <MemphisCard
+              chapter={CHAPTERS[4]}
+              zoneText={<>这一步过程就地写清：<Mark>环境与依赖如何咬合</Mark></>}
+            />
+          </div>
         </div>
       </Section>
       <Section label="票券 ＆ 指派学习块" note="票=完成状态；块=位置/预期/场景＋脱靶标记">