diff --git a/src/styles/header-dividing.scss b/src/styles/header-dividing.scss
index 20d82f4..5f9afdf 100644
--- a/src/styles/header-dividing.scss
+++ b/src/styles/header-dividing.scss
@@ -81,8 +81,7 @@
     z-index: 100;
     --dash-spacing: 6px;
     --dash-width: 2px;
-    background-color: color-mix(in srgb, var(--background) 30%, transparent);
-    opacity: 0.8;
+    background-color: color-mix(in srgb, var(--background) 90%, transparent);
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
 
     /* 进入动画：透明度由0到1 */