mac z-index video 覆盖 答题导航

src/features/OnlineExam/Examing/ExamingHome.vue

@@ -768,6 +768,7 @@ export default {
 .camera {
   align-self: flex-end;
   justify-self: flex-end;
+  z-index: 100;
 }
 
 @media screen and (max-height: 768px) {