update menu

assets/script/pc_style.scss

@@ -120,7 +120,7 @@ a {
     overflow: auto;
     background: #004e99;
     color: #fff;
-    width: 16%;
+    width: 20%;
     padding: 20px 0;
     line-height: 20px;
     a {
@@ -288,8 +288,14 @@ a {
                 opacity: 1;
                 visibility: inherit;
             }
+            &::before {
+                display: block;
+            }
         }
         &.bottom {
+            .sub-menu {
+                top: unset;
+            }
             &:hover {
                 .sub-menu {
                     top: auto;
@@ -297,6 +303,14 @@ a {
                 }
             }
         }
+        &::before {
+            position: absolute;
+            content: "";
+            width: 50px;
+            right: -20px;
+            height: 41px;
+            display: none;
+        }
     }
     .sub-menu {
         padding: 10px 22px 10px 15px;
@@ -329,7 +343,7 @@ a {
                 background: #79b0e2;
                 position: absolute;
                 top: 6px;
-                left: -18px;
+                left: -16px;
             }
             &:last-child {
                 margin: 0;
@@ -340,15 +354,25 @@ a {
         padding-left: 16px;
         margin-top: 10px;
         position: relative;
+        max-height: 350px;
+        overflow-y: auto;
+        padding-right: 10px;
+        margin-right: -12px;
         &::before {
             content: "";
             width: 1.5px;
             background: #79b0e2;
             position: absolute;
-            left: 1px;
+            left: 3px;
             top: 7px;
             bottom: 7px;
         }
+        &::-webkit-scrollbar-thumb {
+            background: #fff;
+        }
+        &::-webkit-scrollbar-track {
+            background: transparent;
+        }
     }
     .icons {
         width: 50px;
@@ -391,8 +415,17 @@ a {
     .icon-logout {
         background-position: 6px -34px;
     }
+    .logo {
+        position: relative;
+        &:hover {
+            .icon-close {
+                display: block;
+            }
+        }
+    }
     .icon-close {
         position: absolute;
+        top: 0;
         right: -30px;
         height: 30px;
         width: 30px;
@@ -406,11 +439,6 @@ a {
             line-height: 20px;
         }
     }
-    &:hover {
-        .icon-close {
-            display: block;
-        }
-    }
 }
 .admin-content-container {
     .note-list {