diff --git a/src/styles/globals.css b/src/styles/globals.css
index 7d0889a..4f07870 100644
--- a/src/styles/globals.css
+++ b/src/styles/globals.css
@@ -1090,7 +1090,7 @@ body.me-safe-top .app-safe-top { height: 0; }
 /* 列体包裹层: 承载右缘滚动条 (滚动时出现, 停止后淡出) */
 .bcol-main { flex: 1 1 auto; min-height: 0; position: relative; display: flex; }
 .bcol-bar {
-  position: absolute; right: 1px; width: 3px; border-radius: 2px;
+  position: absolute; right: -4px; width: 3px; border-radius: 2px;
   background: rgba(15, 23, 42, .3); opacity: 0; transition: opacity .25s ease;
   pointer-events: none; z-index: 3;
 }