diff --git a/docs/qqbot-bangdream-tsugu-global-refactor-plan.md b/docs/qqbot-bangdream-tsugu-global-refactor-plan.md
index ed44aa0..d3eba57 100644
--- a/docs/qqbot-bangdream-tsugu-global-refactor-plan.md
+++ b/docs/qqbot-bangdream-tsugu-global-refactor-plan.md
@@ -392,6 +392,7 @@ export interface TsuguHook {
 - 已新增 `render-blocks/list-difficulty-detail-spec.ts`，收口玩家难度详情列表的徽章宽度/字号/圆角、正文宽度/行高、项画布高度和通用列表行高/间距；`list-difficulty-detail.ts` 改为消费 spec，玩家详情里的已通关/Full Combo/All Perfect 难度详情绘制顺序和输出结构保持不变；`list-difficulty-detail-spec.spec.ts` 覆盖徽章参数、正文绘制参数、项布局和列表框架参数，本地 `/查玩家 26591455 jp` 图片 smoke 输出非空。
 - 已新增 `render-blocks/list-band-detail-spec.ts`，收口玩家详情乐队等级、舞台挑战达成情况和乐队编成等级列表的 Logo 缩放、正文宽度/行高、项画布、通用列表框架和 Rank 等级图片布局；`list-band-detail.ts` 改为消费 spec，玩家详情里的乐队详情绘制顺序、资源 repository 和输出结构保持不变；`list-band-detail-spec.spec.ts` 覆盖 Logo/正文参数、项布局、列表框架、Rank 画布/图片位置和等级图片 Rank ID 封顶，本地 `/查玩家 26591455 jp` 图片 smoke 输出非空。
 - 已新增 `render-blocks/list-character-detail-spec.ts`，收口玩家详情角色等级列表的头像缩放、正文宽度/行高、项画布和通用列表框架；`list-character-detail.ts` 改为消费 spec，玩家详情角色等级绘制顺序、角色数据读取和输出结构保持不变；`list-character-detail-spec.spec.ts` 覆盖头像/正文参数、项布局和列表框架参数，本地 `/查玩家 26591455 jp` 图片 smoke 输出非空。
+- 已新增 `render-blocks/list-card-sd-character-spec.ts`，收口卡牌详情演出缩略图的 SD 角色 sprite 裁切网格、列表缩放行高、字号和间距；`list-card-sd-character.ts` 改为消费 spec，素材加载、四帧裁切和列表绘制顺序保持不变；`list-card-sd-character-spec.spec.ts` 覆盖四帧裁切坐标、单帧裁切计算和列表规格，本地 `/查卡 472` 图片 smoke 输出非空。
 - smoke/Jenkins/远程调试卡点继续按已固化规则处理：同一卡点第二次尝试前必须改变可验证变量；Jenkins 查询 URL 含方括号时用 `curl -g` 或改查 Jenkins home；线上图片 smoke 必须查询 `commandId`、拉回图片、展示图片、查日志并清理本轮临时目录；PowerShell 双引号 here-string 中不要写 JS `${...}` 模板字面量，避免被 PowerShell 提前插值；smoke 没有真实图片落盘时必须失败。
 
 ### Phase 6：策略 policy 和时间/档线规则
diff --git a/src/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character-spec.ts b/src/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character-spec.ts
new file mode 100644
index 0000000..8007f70
--- /dev/null
+++ b/src/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character-spec.ts
@@ -0,0 +1,67 @@
+export interface CardSdCharacterCropRect {
+  sourceX: number;
+  sourceY: number;
+  width: number;
+  height: number;
+}
+
+export const BANGDREAM_CARD_SD_CHARACTER_SPEC = {
+  sprite: {
+    columns: 2,
+    rows: 2,
+    cropOffsetY: 84,
+    cropWidth: 400,
+    cropHeight: 470,
+  },
+  list: {
+    targetWidth: 190,
+    spacing: 0,
+  },
+} as const;
+
+/**
+ * 计算卡牌 SD 角色 sprite 裁切区域。
+ *
+ * @param index - 第几个 SD 动作帧。
+ */
+export function getCardSdCharacterCropRect(
+  index: number,
+): CardSdCharacterCropRect {
+  const { columns, cropHeight, cropOffsetY, cropWidth } =
+    BANGDREAM_CARD_SD_CHARACTER_SPEC.sprite;
+
+  return {
+    sourceX: (index % columns) * cropWidth,
+    sourceY: cropOffsetY + Math.floor(index / columns) * cropHeight,
+    width: cropWidth,
+    height: cropHeight,
+  };
+}
+
+/**
+ * 生成卡牌 SD 角色列表需要展示的全部裁切区域。
+ */
+export function getCardSdCharacterCropRects(): CardSdCharacterCropRect[] {
+  const { columns, rows } = BANGDREAM_CARD_SD_CHARACTER_SPEC.sprite;
+
+  return Array.from({ length: columns * rows }, (_, index) =>
+    getCardSdCharacterCropRect(index),
+  );
+}
+
+/**
+ * 计算卡牌 SD 角色列表展示行高。
+ */
+export function getCardSdCharacterListLineHeight() {
+  const { cropHeight, cropWidth } = BANGDREAM_CARD_SD_CHARACTER_SPEC.sprite;
+  const { targetWidth } = BANGDREAM_CARD_SD_CHARACTER_SPEC.list;
+
+  return (cropHeight / cropWidth) * targetWidth;
+}
+
+/**
+ * 计算卡牌 SD 角色列表展示字号。
+ */
+export function getCardSdCharacterListTextSize() {
+  return getCardSdCharacterListLineHeight();
+}
diff --git a/src/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character.ts b/src/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character.ts
index fea38d7..8b2ba97 100644
--- a/src/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character.ts
+++ b/src/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character.ts
@@ -2,6 +2,12 @@ import { Costume } from '@/qqbot/plugins/bangDream/tsugu/models/costume';
 import { Card } from '@/qqbot/plugins/bangDream/tsugu/models/card';
 import { Canvas } from 'skia-canvas';
 import { drawList } from './list-frame';
+import {
+  BANGDREAM_CARD_SD_CHARACTER_SPEC,
+  getCardSdCharacterCropRects,
+  getCardSdCharacterListLineHeight,
+  getCardSdCharacterListTextSize,
+} from '@/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character-spec';
 
 /**
  * 在图片布局层中绘制SD角色In列表。
@@ -14,22 +20,29 @@ export async function drawSdCharacterInList(card: Card): Promise<Canvas> {
   const costume = new Costume(costumeId);
   await costume.initFull();
   const sdCharacterImage = await costume.getSdCharacter();
-  //从高度84开始，把sdCharaImage切成田字形的四分，大小都为400*470
   const sdCharacterImageList: Array<Canvas> = [];
-  for (let i = 0; i < 4; i++) {
-    const canvas = new Canvas(400, 470);
+  for (const cropRect of getCardSdCharacterCropRects()) {
+    const canvas = new Canvas(cropRect.width, cropRect.height);
     const context = canvas.getContext('2d');
-    const x = i % 2 === 0 ? 0 : 400;
-    const y = i < 2 ? 84 : 554;
 
-    context.drawImage(sdCharacterImage, x, y, 400, 470, 0, 0, 400, 470);
+    context.drawImage(
+      sdCharacterImage,
+      cropRect.sourceX,
+      cropRect.sourceY,
+      cropRect.width,
+      cropRect.height,
+      0,
+      0,
+      cropRect.width,
+      cropRect.height,
+    );
     sdCharacterImageList.push(canvas);
   }
   return drawList({
     key: '演出缩略图',
     content: sdCharacterImageList,
-    lineHeight: (470 / 400) * 190,
-    textSize: (470 / 400) * 190,
-    spacing: 0,
+    lineHeight: getCardSdCharacterListLineHeight(),
+    textSize: getCardSdCharacterListTextSize(),
+    spacing: BANGDREAM_CARD_SD_CHARACTER_SPEC.list.spacing,
   });
 }
diff --git a/test/qqbot/plugins/bangDream/tsugu/list-card-sd-character-spec.spec.ts b/test/qqbot/plugins/bangDream/tsugu/list-card-sd-character-spec.spec.ts
new file mode 100644
index 0000000..9726bf3
--- /dev/null
+++ b/test/qqbot/plugins/bangDream/tsugu/list-card-sd-character-spec.spec.ts
@@ -0,0 +1,33 @@
+import {
+  BANGDREAM_CARD_SD_CHARACTER_SPEC,
+  getCardSdCharacterCropRect,
+  getCardSdCharacterCropRects,
+  getCardSdCharacterListLineHeight,
+  getCardSdCharacterListTextSize,
+} from '@/qqbot/plugins/bangDream/tsugu/render-blocks/list-card-sd-character-spec';
+
+describe('BangDream card SD character list spec', () => {
+  it('keeps the historical four-frame SD character crop grid', () => {
+    expect(getCardSdCharacterCropRects()).toEqual([
+      { sourceX: 0, sourceY: 84, width: 400, height: 470 },
+      { sourceX: 400, sourceY: 84, width: 400, height: 470 },
+      { sourceX: 0, sourceY: 554, width: 400, height: 470 },
+      { sourceX: 400, sourceY: 554, width: 400, height: 470 },
+    ]);
+  });
+
+  it('computes individual crop rects from the shared sprite spec', () => {
+    expect(getCardSdCharacterCropRect(3)).toEqual({
+      sourceX: 400,
+      sourceY: 554,
+      width: 400,
+      height: 470,
+    });
+  });
+
+  it('keeps list line height, text size and spacing stable', () => {
+    expect(BANGDREAM_CARD_SD_CHARACTER_SPEC.list.spacing).toBe(0);
+    expect(getCardSdCharacterListLineHeight()).toBe(223.25);
+    expect(getCardSdCharacterListTextSize()).toBe(223.25);
+  });
+});