优化下拉选择树第一层结构展示

app/public/js/bootstrap/tree-select.js

@@ -32,8 +32,8 @@
 .tree-node:not(.leaf) [data-level="0"] >.tree-label {
   font-weight: bold;
 }
-.tree-node[data-level="0"]::before,
-.tree-node[data-level="0"]::after {
+.tree-node:not(.leaf)[data-level="0"]::before,
+.tree-node:not(.leaf)[data-level="0"]::after {
   display: none !important;
 }
 .tree-node::after {
@@ -45,6 +45,15 @@
   height: 1px;
   background-color: #ccc;
 }
+.tree-node:is(.leaf)[data-level="0"]::before {
+  left: 14px;
+}
+.tree-node:is(.leaf)[data-level="0"]::after {
+  left: 14px;
+}
+.tree-node:is(.leaf)[data-level="0"] {
+  padding-left: 22px;
+}
 .tree-node:last-child::before {
   height: 14px;
 }