style(index.less): improve z-index consistency and remove redundant pointer-events

SSShooter · SSShooter · commit 49745ec6162e · 2025-09-06T19:54:02.000+08:00
diff --git a/src/index.less b/src/index.less
@@ -201,15 +201,14 @@
   .linkcontroller,
   .summary {
     pointer-events: none;
-    .selected {
-      pointer-events: none;
-    }
+    z-index: 20;
   }
 
   .summary > g,
   .topiclinks > g {
     cursor: pointer;
     pointer-events: stroke;
+    z-index: 20;
   }
 
   .lines,
