fix deprecated >>>

src/components/CommonMarkHeader.vue

@@ -218,7 +218,7 @@ onMounted(() => {
   background-color: rgba(255, 255, 255, 0.2);
 }
 
-.header-container >>> span {
+.header-container :deep(span) {
   vertical-align: middle;
 }
 .header-big-text {