chore: update catalog styles

source/css/_partial/article.styl

@@ -356,53 +356,19 @@ $article-share-link
 
 /* topic section */
 .toc-article
+    padding 20px 25px
+    line-height 1em
     background #F9F9F9
     margin 2em 0 0 0.2em
-    padding 1em
     border-radius 0px
     .toc-title
         font-size 120%
-    strong
         padding 0.3em 1
-
-ol.toc
-    width 100%
-    margin 1em 2em 0 0
-
-#toc
-    line-height 1em
-    font-size 0.8em
-    float right
     .toc
         padding 0
+        margin 10px 0 0
         li
-            list-style-type none
-    .toc-child
-        padding-left 0em
-
-#toc.toc-aside
-    display none
-    width 13%
-    position fixed
-    right 2%
-    top 320px
-    overflow hidden
-    line-height 1.5em
-    font-size 1em
-    color color-heading
-    opacity .6
-    transition opacity 1s ease-out
-    strong
-        padding 0.3em 0
-        color color-font
-    &:hover
-        transition opacity .3s ease-out
-        opacity 1
-    a
-        transition color 1s ease-out
-        &:hover
-            color color-theme
-            transition color .3s ease-out
+            list-style none
 
 /* right-to-left languages */
 .article.rtl