生词列表 字词卡片模式居中显示

src/views/book/courseware/preview/components/new_word/NewWordPreview.vue

@@ -2349,6 +2349,7 @@ export default {
     display: flex;
     flex-flow: wrap;
     gap: 20px;
+    justify-content: center;
   }
 
   .writeTop {