diff --git a/apps/ai-game-creator-shell/src/view/project-development/index.tsx b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
index c470d3fba..493959669 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/index.tsx
+++ b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
@@ -2550,6 +2550,8 @@ export default function ProjectDevelopmentView({
           token: resourceBookState.token,
         });
       },
+      // 进入时重叠在总览摞上，沿用来源顺序；返回时重叠在摞上，沿用目标顺序。
+      resourceBookState.phase === 'returning-main' ? 'target' : 'source',
     );
   }, [resourceBookState.token, resourceBookState.phase, mode]);
 
diff --git a/apps/ai-game-creator-shell/src/view/project-development/resourceBookController.ts b/apps/ai-game-creator-shell/src/view/project-development/resourceBookController.ts
index 13acf00ee..9af169220 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/resourceBookController.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/resourceBookController.ts
@@ -271,7 +271,12 @@ export function createResourceBookTransitionController() {
     invalidate,
     settle,
     isCurrent: (expected: number) => token === expected,
-    play(manager: HTMLElement, expected: number, done: () => void) {
+    play(
+      manager: HTMLElement,
+      expected: number,
+      done: () => void,
+      stacking: 'source' | 'target' = 'target',
+    ) {
       if (token !== expected) return;
       root = manager;
       completion = done;
@@ -292,19 +297,28 @@ export function createResourceBookTransitionController() {
         settle();
         return;
       }
-      // 两个场景的 z-index 数值本身不同（总览 1–3、子画布 25），只搬数值无法保证
-      // 顺序一致。按目标场景的最终绘制顺序（z-index 升序，同值再按 DOM 顺序）
-      // 给克隆分配单调层级，动画期间的遮挡关系就与结束后的静止状态完全一致；
-      // 只存在于来源里的淡出项统一压到最底层，不会盖住存活卡片。
-      const ordered = [
-        ...Array.from(target.values()).sort(
-          (left, right) =>
-            left.zIndex - right.zIndex || left.order - right.order,
-        ),
+      // 两个场景的 z-index 数值域不同（总览 1–3、子画布 25），只搬数值保证不了顺序。
+      // 卡片真正重叠的是"堆叠"那一侧：进入时重叠在总览摞（来源），返回时重叠在摞
+      // （目标）。按该侧 z-index 升序、同值再按 DOM 顺序给克隆分配单调层级，飞行期间
+      // 的遮挡就和用户眼前那一摞一致；不在该侧的卡片压到最底层。
+      const reference = stacking === 'source' ? source : target;
+      const entries = [
+        ...Array.from(target.values()),
         ...Array.from(source.values()).filter(
           (entry) => !target.has(entry.key),
         ),
       ];
+      const primary = entries.filter((entry) => reference.has(entry.key));
+      const secondary = entries.filter((entry) => !reference.has(entry.key));
+      primary.sort((left, right) => {
+        const leftReference = reference.get(left.key)!;
+        const rightReference = reference.get(right.key)!;
+        return (
+          leftReference.zIndex - rightReference.zIndex ||
+          leftReference.order - rightReference.order
+        );
+      });
+      const ordered = [...primary, ...secondary];
       try {
         for (const [stackOrder, item] of ordered.entries()) {
           const from = source.get(item.key);
diff --git a/apps/ai-game-creator-shell/tests/resourceBookController.test.ts b/apps/ai-game-creator-shell/tests/resourceBookController.test.ts
index 05801ec23..933787c9f 100644
--- a/apps/ai-game-creator-shell/tests/resourceBookController.test.ts
+++ b/apps/ai-game-creator-shell/tests/resourceBookController.test.ts
@@ -224,6 +224,46 @@ describe('resource book FLIP controller', () => {
     controller.dispose();
   });
 
+  it('keeps the source stack order while flying out of the overview', () => {
+    Object.defineProperty(Element.prototype, 'animate', {
+      configurable: true,
+      writable: true,
+      value: () => ({
+        finished: Promise.resolve({} as Animation),
+        cancel: () => undefined,
+      }),
+    });
+    const root = document.createElement('div');
+    root.innerHTML = `<div class="game-resource-book-scene"><div class="game-resource-book-scene-world">
+      <div class="game-resource-book-scene-card"><div class="game-resource-card" data-resource-card-id="a"></div></div>
+      <div class="game-resource-book-scene-card"><div class="game-resource-card" data-resource-card-id="b"></div></div>
+      </div></div><div class="game-resource-book-transition-layer" inert aria-hidden="true"></div>`;
+    document.body.append(root);
+    vi.spyOn(root, 'getBoundingClientRect').mockReturnValue(rect(0, 0, 800, 600));
+    for (const element of root.querySelectorAll<HTMLElement>(
+      '.game-resource-card',
+    )) {
+      vi.spyOn(element, 'getBoundingClientRect').mockReturnValue(rect());
+    }
+
+    const controller = createResourceBookTransitionController();
+    const token = controller.begin(root);
+    const cardWrapper = root
+      .querySelector<HTMLElement>('[data-resource-card-id="a"]')!
+      .closest<HTMLElement>('.game-resource-book-scene-card')!;
+    cardWrapper.parentElement!.append(cardWrapper);
+    controller.play(root, token, () => undefined, 'source');
+
+    const wrappers = Array.from(
+      root.querySelectorAll<HTMLElement>('[data-motion-snapshot]'),
+    );
+    expect(wrappers.map((element) => element.dataset.motionSnapshot)).toEqual([
+      'card:a',
+      'card:b',
+    ]);
+    controller.dispose();
+  });
+
   it('retargets from the current overlay geometry and ignores old completion', async () => {
     const { root, measure, flights } = setup();
     const controller = createResourceBookTransitionController();