refactor(AdaptedStyles): remove unnecessary top bar css adjustments

src/styles/adaptedStyles/articlesPage.scss

@@ -11,10 +11,6 @@
     padding-right: 20px;
   }
 
-  #biliMainHeader {
-    height: 70px !important;
-  }
-
   // #region theme color adaption part
   // Increase the priority of the style inside by writing a non-existent selector in :not()
   :not(fdjslfds) {

src/styles/adaptedStyles/notificationsPage.scss

@@ -1,20 +1,11 @@
-#message-navbar {
-  display: none;
-
-  + .container {
-    margin-top: 0;
-    padding-top: 70px;
-    height: calc(100vh - 70px);
-  }
-}
 .bewly-design.notificationsPage {
   #message-navbar {
     display: none;
 
     + .container {
       margin-top: 0;
-      padding-top: 70px;
-      height: calc(100vh - 70px);
+      padding-top: var(--bew-top-bar-height);
+      height: calc(100vh - var(--bew-top-bar-height));
 
       &::after {
         content: "";

src/styles/adaptedStyles/userSpacePage.scss

@@ -1,11 +1,3 @@
-#app {
-  &.owner,
-  &.fans,
-  &.visitor {
-    margin-top: 15px;
-  }
-}
-
 .bewly-design.userSpacePage {
   .wrapper .edit-video-modal .target-favlist {
     padding: 12px 36px;