diff --git a/frontend/admin-web/src/styles/variables.scss b/frontend/admin-web/src/styles/variables.scss
index 1dfa9a3a..d0b6b5c1 100644
--- a/frontend/admin-web/src/styles/variables.scss
+++ b/frontend/admin-web/src/styles/variables.scss
@@ -117,3 +117,12 @@ $border-color-light: #F0F0F0;
 
 // 文本颜色
 $text-placeholder: #9E9E9E;
+
+// ============================================
+// 语义化颜色别名 (用于骨架屏/加载状态等)
+// ============================================
+$color-bg-secondary: $background-color;
+$color-bg-tertiary: lighten($background-color, 3%);
+$color-border: $border-color;
+$color-text-secondary: $text-secondary;
+$color-text-tertiary: $text-disabled;