三级菜单UI

plugins/addon/theme_configurator/template/admin/theme.css

@@ -105,7 +105,7 @@ body {
 .admin-main {
   background: var(--bg-container);
   border-radius: 0 0 8px 8px;
-  padding: var(--spacing-lg);
+  padding: 12px;
   min-height: 500px;
 }
 
@@ -144,7 +144,7 @@ body {
 }
 
 .section-body {
-  padding: var(--spacing-lg);
+  padding: 0;
 }
 
 /* 表单 */
@@ -166,12 +166,13 @@ body {
 
 .form-control {
   width: 100%;
-  padding: 8px 12px;
+  padding: 10px 12px;
   border: 1px solid var(--border);
   border-radius: 4px;
   font-size: 14px;
   font-family: inherit;
   transition: all 0.3s;
+  min-height: 38px;
 }
 
 .form-control:hover {