diff --git a/src/components/game-distribution/GameDistributionPages.test.tsx b/src/components/game-distribution/GameDistributionPages.test.tsx
index 59202243e..b209e230d 100644
--- a/src/components/game-distribution/GameDistributionPages.test.tsx
+++ b/src/components/game-distribution/GameDistributionPages.test.tsx
@@ -3162,15 +3162,22 @@ describe('GameLineagePage 筛选器 / 主干线 / 信息面板（文档对齐）
         '创作族谱树',
       )) as HTMLElement;
       const view = readCanvasViewport(canvas);
-      // 窄屏图谱视图是**横版**：代际沿 x 推进，且不再渲染左侧代际轴（角标承担代际信息）。
+      // 窄屏图谱视图是**横版**：代际沿 x 推进（同代同 left、兄弟靠 top 分开），
+      // 且不再渲染左侧代际轴（角标承担代际信息）。
       expect(canvas.querySelector('.game-lineage-canvas__axis')).toBeNull();
-      expect(
-        new Set(
-          [...canvas.querySelectorAll('.game-lineage-node')].map((card) =>
-            Number.parseFloat((card as HTMLElement).style.left),
-          ),
-        ).size,
-      ).toBeGreaterThan(1);
+      const cards = [...canvas.querySelectorAll('.game-lineage-node')].map(
+        (card) => card as HTMLElement,
+      );
+      const generationOne = cards.filter(
+        (card) => card.getAttribute('data-generation') === '1',
+      );
+      expect(generationOne.length).toBeGreaterThanOrEqual(2);
+      expect(new Set(generationOne.map((card) => card.style.left)).size).toBe(
+        1,
+      );
+      expect(new Set(generationOne.map((card) => card.style.top)).size).toBe(
+        generationOne.length,
+      );
       expect(Math.round(view.scale * 100)).not.toBe(100);
       expect(canvas.querySelector('.game-lineage-zoom')?.textContent).toBe(
         `${Math.round(view.scale * 100)}%`,
@@ -3185,6 +3192,15 @@ describe('GameLineagePage 筛选器 / 主干线 / 信息面板（文档对齐）
       expect(
         visible.some((card) => card.getAttribute('data-generation') === '0'),
       ).toBe(true);
+      // 移动端紧凑卡片按既有设计**省掉作者行**（CSS `.game-lineage-node--compact`：卡片更小、
+      // 字段更少）。作者名在桌面画布、大纲行与详情页都有；这条断言把这个差异固定下来，
+      // 避免它再次变成「实现与断言不同步」。
+      expect(
+        canvas.querySelectorAll('.game-lineage-node--compact').length,
+      ).toBe(cards.length);
+      expect(canvas.querySelectorAll('.game-lineage-node__author').length).toBe(
+        0,
+      );
     } finally {
       widthSpy.mockRestore();
       heightSpy.mockRestore();