feat: css 作用域调整

knowledge-base/src/App.vue

@@ -1,5 +1,5 @@
 <template>
-  <div id="app">
+  <div id="app" class="know-main-class">
     <router-view/>
   </div>
 </template>

knowledge-base/src/assets/style/base.scss

@@ -128,15 +128,18 @@ a {
   -moz-user-select: none;
 }
 
-a:focus, 
-a:hover{
-  text-decoration: none;
+.know-main-class {
+  a:focus,
+  a:hover{
+    text-decoration: none;
+  }
+
+  a:link {color: #2CB7CA;}
+  a:visited {color: #2CB7CA;}
+  a:hover{color: #2CB7CA;}
+  a:active {color: #2CB7CA;}
 }
 
-a:link {color: #2CB7CA;}
-a:visited {color: #2CB7CA;}
-a:hover{color: #2CB7CA;} 
-a:active {color: #2CB7CA;}
 
 /*禁用长按页面时的弹出菜单(iOS下有效) ,img和a标签都要加*/
 img,