diff --git a/apps/design-lab/e2e/pages.spec.ts b/apps/design-lab/e2e/pages.spec.ts
index b53f08b..88ff1e3 100644
--- a/apps/design-lab/e2e/pages.spec.ts
+++ b/apps/design-lab/e2e/pages.spec.ts
@@ -52,18 +52,20 @@ test.describe('CourseCard 规格契约', () => {
     expect(s.shadow).toContain('rgb(17, 17, 17) 5px 5px 0px 0px')
   })
 
-  test('基础组件投影统一：同一 token 复用，不得各写各的', async ({ page }) => {
-    const { kinds, shadows } = await page.evaluate(() => {
+  test('基础组件投影统一：同一配方复用，不得各写各的', async ({ page }) => {
+    const { kinds, recipes } = await page.evaluate(() => {
       const els = [...document.querySelectorAll('[data-comp]')]
+      // 两种机制同一配方：box-shadow（常规卡）与 filter: drop-shadow（票券——跟随挖空轮廓）
+      const recipe = (cs: CSSStyleDeclaration) => (cs.filter !== 'none' ? cs.filter : cs.boxShadow)
       return {
         kinds: [...new Set(els.map((el) => el.dataset.comp))].sort(),
-        shadows: els.map((el) => getComputedStyle(el).boxShadow),
+        recipes: els.map((el) => recipe(getComputedStyle(el))),
       }
     })
     expect(kinds).toEqual(['assign', 'course-card', 'entry-card', 'ticket']) // 四类基础组件都有钩子
-    expect(shadows.length).toBeGreaterThanOrEqual(6)
-    expect(new Set(shadows).size).toBe(1) // 计算值完全一致＝样式复用
-    expect(shadows[0]).toContain('rgb(17, 17, 17) 5px 5px 0px 0px')
+    expect(recipes.length).toBeGreaterThanOrEqual(6)
+    recipes.forEach((r) => expect(r).toContain('rgb(17, 17, 17) 5px 5px')) // 唯一配方 --shadow-hard / --drop-shadow-hard
+    recipes.forEach((r) => expect(r.split('rgb(17, 17, 17)').length - 1).toBe(1)) // 每卡只出一份阴影
   })
 
   test('16:9 相框：比例、3px 黑边、内阴影、章节撞色', async ({ page }) => {
@@ -155,13 +157,40 @@ test.describe('票券规格契约', () => {
     expect(s.headBg).not.toBe('rgba(0, 0, 0, 0)')
   })
 
-  test('打孔差集在位（mask 两端 1/4 圆，完成票）', async ({ page }) => {
-    const mask = await page.locator('.ticket-pk').first().evaluate((el) => {
+  test('打孔三件套：mask 差集挖空 + 孔缘弧线 + 阴影跟随轮廓', async ({ page }) => {
+    const done = page.locator('.ticket-pk').first()
+    const mask = await done.evaluate((el) => {
       const cs = getComputedStyle(el)
       return cs.maskImage || cs.webkitMaskImage || 'none'
     })
     expect(mask).toContain('radial-gradient')
     expect(mask.split('radial-gradient').length - 1).toBe(2) // 上下各一孔
+    // 阴影在 wrapper 以 drop-shadow 生效——跟随挖空后的 alpha 轮廓（box-shadow 会被 mask 裁掉）
+    const f = await done.evaluate((el) => {
+      const w = el.parentElement as HTMLElement
+      return { filter: getComputedStyle(w).filter, innerShadow: getComputedStyle(el).boxShadow }
+    })
+    expect(f.filter).toBe('drop-shadow(rgb(17, 17, 17) 5px 5px 0px)')
+    expect(f.innerShadow).toBe('none')
+    // 孔缘弧线：2px ink 半圆环，clip 只留票内一半，圆心骑撕线两端（hole-x=172.75）
+    const arcs = await page.evaluate(() => {
+      const done = document.querySelector('.ticket-pk') as HTMLElement
+      const w = done.parentElement as HTMLElement
+      const wx = w.getBoundingClientRect().x
+      return [...w.querySelectorAll('.pk-arc')].map((a) => {
+        const cs = getComputedStyle(a)
+        const r = a.getBoundingClientRect()
+        return { clip: cs.clipPath, bw: cs.borderTopWidth, bc: cs.borderTopColor, cx: r.x + r.width / 2 - wx }
+      })
+    })
+    expect(arcs).toHaveLength(2)
+    arcs.forEach((a) => {
+      expect(a.bw).toBe('2px')
+      expect(a.bc).toBe('rgb(17, 17, 17)')
+      expect(Math.abs(a.cx - 172.75)).toBeLessThan(0.5)
+    })
+    expect(arcs[0].clip).toBe('inset(50% 0px 0px)')
+    expect(arcs[1].clip).toBe('inset(0px 0px 50%)')
     // 未开始票不带 mask
     const plain = await page.evaluate(() => {
       const t = [...document.querySelectorAll('div')].filter((d) => String(d.className).includes('w-[216px]') && !String(d.className).includes('ticket-pk'))[0]
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 4dc7ac4..3325b8f 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/e2e/visual.spec.ts-snapshots/symbols-chromium-linux.png b/apps/design-lab/e2e/visual.spec.ts-snapshots/symbols-chromium-linux.png
index 472843a..a417ebe 100644
Binary files a/apps/design-lab/e2e/visual.spec.ts-snapshots/symbols-chromium-linux.png and b/apps/design-lab/e2e/visual.spec.ts-snapshots/symbols-chromium-linux.png differ
diff --git a/apps/design-lab/src/components/Ticket.tsx b/apps/design-lab/src/components/Ticket.tsx
index 5980fa4..dd11741 100644
--- a/apps/design-lab/src/components/Ticket.tsx
+++ b/apps/design-lab/src/components/Ticket.tsx
@@ -1,13 +1,14 @@
 /** 票券 —— 只表达完成状态：完成＝沿撕线打孔（半圆缺口），未开始＝实线无孔。
- * 裁切式实现：头部色块无独立描边，由票体 overflow-hidden 裁出单一描边圆角。 */
+ * 外层 wrapper 出阴影（drop-shadow 跟随挖空后的轮廓，box-shadow 会被 mask 裁掉）；
+ * 内层票体裁切式：头部色块无独立描边，由票体 overflow-hidden 裁出单一描边圆角。 */
 import type { Chapter } from '../lib/types'
 
 export function Ticket({ chapter, done }: { chapter: Chapter; done: boolean }) {
   return (
-    <div
-      data-comp="ticket"
-      className={`relative flex w-[216px] items-stretch overflow-hidden rounded-xl border-2 border-ink bg-paper shadow-hard ${done ? 'ticket-pk' : ''}`}
-    >
+    <div data-comp="ticket" className={`w-fit drop-shadow-hard ${done ? 'tk-pk' : ''}`}>
+      <div
+        className={`relative flex w-[216px] items-stretch overflow-hidden rounded-xl border-2 border-ink bg-paper ${done ? 'ticket-pk' : ''}`}
+      >
       {/* 头部媒体块：章节色纯填充，无独立边框（由票体裁切） */}
       <div className="flex w-14 shrink-0 items-center justify-center text-[22px]" style={{ background: chapter.color }}>{chapter.emoji}</div>
       <div className="flex-1 py-2 pl-2.5 pr-2">
@@ -21,6 +22,14 @@ export function Ticket({ chapter, done }: { chapter: Chapter; done: boolean }) {
       >
         №{String(chapter.id).padStart(2, '0')}
       </div>
+      </div>
+      {/* 孔缘弧线：mask 只减形不补线，弧线补上挖空边缘的 ink 描边 */}
+      {done && (
+        <>
+          <i className="pk-arc pk-arc-t" aria-hidden />
+          <i className="pk-arc pk-arc-b" aria-hidden />
+        </>
+      )}
     </div>
   )
 }
diff --git a/apps/design-lab/src/styles/tokens.css b/apps/design-lab/src/styles/tokens.css
index 2ae6ce8..76061f5 100644
--- a/apps/design-lab/src/styles/tokens.css
+++ b/apps/design-lab/src/styles/tokens.css
@@ -19,6 +19,8 @@
   /* 统一硬投影——唯一投影配方，所有基础组件复用（rest / 拿起） */
   --shadow-hard: 5px 5px 0 var(--color-ink);
   --shadow-hard-lift: 8px 8px 0 var(--color-ink);
+  /* 同配方的 drop-shadow 形态：给挖空轮廓用（票券）——box-shadow 会被 mask 裁掉 */
+  --drop-shadow-hard: 5px 5px 0 var(--color-ink);
 
   /* 章节色别名 */
   --color-ch1: #ff6b6b;
@@ -29,17 +31,39 @@
   --color-ch6: #a78bfa;
 }
 
-/* 票券打孔：两端各以 1/4 圆做差集（完成票专用）。
- * mask 硬停只做形状剪切（非色彩渐变）：孔真正穿透票体——露出页面底色，
- * 描边与硬投影在孔处真实断开，无需伪元素盖色近似。 */
-.ticket-pk {
+/* 票券打孔（完成票专用），三件分工：
+ * 挖空 = 票体 mask 差集（两端 1/4 圆硬停剪切，孔穿透露出页面底色）；
+ * 阴影 = 外层 wrapper drop-shadow-hard——drop-shadow 跟随 alpha 轮廓，
+ *        孔挖到哪阴影咬到哪（box-shadow 会被 mask 的 border-box 裁切整体吃掉，不可用）；
+ * 孔缘 = .pk-arc 半圆环补 ink 边线（mask 只减形不补线），圆心骑撕线两端。 */
+.tk-pk {
   --hole-x: 172.75px; /* 撕线中心：216 − 右描边 2 − stub 42 + 撕线半宽 */
+}
+.ticket-pk {
   -webkit-mask-image:
-    radial-gradient(circle 7px at var(--hole-x) 0, transparent 6.5px, #000 7px),
-    radial-gradient(circle 7px at var(--hole-x) 100%, transparent 6.5px, #000 7px);
+    radial-gradient(circle 7px at var(--hole-x) 0, transparent 6px, #000 6.5px),
+    radial-gradient(circle 7px at var(--hole-x) 100%, transparent 6px, #000 6.5px);
   -webkit-mask-composite: source-in;
   mask-image:
-    radial-gradient(circle 7px at var(--hole-x) 0, transparent 6.5px, #000 7px),
-    radial-gradient(circle 7px at var(--hole-x) 100%, transparent 6.5px, #000 7px);
+    radial-gradient(circle 7px at var(--hole-x) 0, transparent 6px, #000 6.5px),
+    radial-gradient(circle 7px at var(--hole-x) 100%, transparent 6px, #000 6.5px);
   mask-composite: intersect;
 }
+/* 孔缘弧线：16px 圆环（描边带 r6–8），clip-path 只留票内一半，不进阴影轮廓 */
+.pk-arc {
+  position: absolute;
+  left: calc(var(--hole-x) - 8px);
+  width: 16px;
+  height: 16px;
+  border: 2px solid var(--color-ink);
+  border-radius: 9999px;
+  pointer-events: none;
+}
+.pk-arc-t {
+  top: -8px;
+  clip-path: inset(50% 0 0 0);
+}
+.pk-arc-b {
+  bottom: -8px;
+  clip-path: inset(0 0 50% 0);
+}
diff --git a/docs/screenshots/design-lab/pr_components.png b/docs/screenshots/design-lab/pr_components.png
index 4dc7ac4..3325b8f 100644
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diff --git a/docs/screenshots/design-lab/pr_symbols.png b/docs/screenshots/design-lab/pr_symbols.png
index 472843a..a417ebe 100644
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