diff --git a/src/index.css b/src/index.css
index f1c8027..b2dc7f3 100644
--- a/src/index.css
+++ b/src/index.css
@@ -25,22 +25,14 @@ html.dark {
   color-scheme: dark;
 }
 
-/* 滚动条样式 */
-::-webkit-scrollbar {
-  @apply w-1.5 h-1.5;
-}
-
-::-webkit-scrollbar-track {
-  @apply bg-gray-100 dark:bg-gray-800;
-}
-
-::-webkit-scrollbar-thumb {
-  @apply bg-gray-300 rounded dark:bg-gray-600;
-}
-
-::-webkit-scrollbar-thumb:hover {
-  @apply bg-gray-400 dark:bg-gray-500;
-}
+/* 滚动条样式（避免在伪元素中使用自定义 dark 变体，消除构建警告） */
+::-webkit-scrollbar { width: 0.375rem; height: 0.375rem; }
+::-webkit-scrollbar-track { background-color: #f4f4f5; }
+html.dark ::-webkit-scrollbar-track { background-color: #27272a; }
+::-webkit-scrollbar-thumb { background-color: #d4d4d8; border-radius: 0.25rem; }
+html.dark ::-webkit-scrollbar-thumb { background-color: #52525b; }
+::-webkit-scrollbar-thumb:hover { background-color: #a1a1aa; }
+html.dark ::-webkit-scrollbar-thumb:hover { background-color: #71717a; }
 
 /* 焦点样式 */
 *:focus-visible {