diff --git a/src/components/md-deck/PrintPreview.tsx b/src/components/md-deck/PrintPreview.tsx
index d93d45f..1d1fd6d 100644
--- a/src/components/md-deck/PrintPreview.tsx
+++ b/src/components/md-deck/PrintPreview.tsx
@@ -26,7 +26,9 @@ export interface PrintPreviewProps {
 export function PrintPreview(props: PrintPreviewProps) {
   const { store } = props;
 
-  // 合并的卡牌列表：主牌组 + 选中的其他牌组
+  // ---- 跨牌组合并 ----
+
+  // 用户选中的额外牌组 ID 列表
   const [selectedDeckIds, setSelectedDeckIds] = createSignal<string[]>([]);
 
   // 当某个已选中的牌组被卸载时，自动从选中列表中移除
@@ -38,18 +40,33 @@ export function PrintPreview(props: PrintPreviewProps) {
     }
   });
 
-  const mergedCards = createMemo(() => {
-    const base = store.state.cards as CardData[];
-    const extras = selectedDeckIds()
+  // 仅额外牌组的卡牌（不含主牌组），传给 usePageLayout 避免重复
+  const extraCards = createMemo(() => {
+    return selectedDeckIds()
       .map((id) => getDeckById(id))
       .filter(Boolean)
       .flatMap((entry) => entry!.store.state.cards as CardData[]);
-    return [...base, ...extras];
   });
 
-  const mergedCardCount = () => mergedCards().length;
+  // 卡牌 → 来源 store 的映射，用于渲染时选择正确的图层配置
+  const cardStoreMap = createMemo(() => {
+    const map = new Map<CardData, DeckStore>();
+    for (const id of selectedDeckIds()) {
+      const entry = getDeckById(id);
+      if (entry) {
+        for (const card of entry.store.state.cards as CardData[]) {
+          map.set(card, entry.store);
+        }
+      }
+    }
+    return map;
+  });
 
-  const { getA4Size, pages, cropMarks } = usePageLayout(store, mergedCards);
+  const mergedCardCount = () => store.state.cards.length + extraCards().length;
+
+  // ---- 布局 & 导出 hooks ----
+
+  const { getA4Size, pages, cropMarks } = usePageLayout(store, extraCards);
   const { exportToPDF } = usePDFExport(store, props.onClose);
   const { generatePltData } = usePlotterExport(store);
 
@@ -211,6 +228,10 @@ export function PrintPreview(props: PrintPreviewProps) {
                             store.state.cornerRadius,
                           );
 
+                          // 查找该卡牌所属的 store（主牌组用 store，合并牌组用各自的 store）
+                          const cardStore =
+                            cardStoreMap().get(card.data) || store;
+
                           return (
                             <g class="card-group">
                               <Show when={shapeClipPath}>
@@ -238,14 +259,14 @@ export function PrintPreview(props: PrintPreviewProps) {
                                     class="absolute"
                                     style={{
                                       position: "absolute",
-                                      left: `${store.state.dimensions?.gridOriginX}mm`,
-                                      top: `${store.state.dimensions?.gridOriginY}mm`,
-                                      width: `${store.state.dimensions?.gridAreaWidth}mm`,
-                                      height: `${store.state.dimensions?.gridAreaHeight}mm`,
+                                      left: `${cardStore.state.dimensions?.gridOriginX}mm`,
+                                      top: `${cardStore.state.dimensions?.gridOriginY}mm`,
+                                      width: `${cardStore.state.dimensions?.gridAreaWidth}mm`,
+                                      height: `${cardStore.state.dimensions?.gridAreaHeight}mm`,
                                     }}
                                   >
                                     <CardLayer
-                                      store={store}
+                                      store={cardStore}
                                       cardData={card.data}
                                       side={card.side || "front"}
                                     />