修改学习详情的倒计时的样式

src/views/home/learn/page-learn-content.vue

@@ -289,6 +289,8 @@ export default {
     justify-content: flex-end;
     align-items: center;
     padding-right: 1rem;
+    border-bottom: 1px solid #e5e5e5;
+    font-size: 0.65rem;
   }
   .learn-content-body {
     padding: 0.5rem 0.5rem;