diff --git a/css/about.css b/css/about.css
index 5226292..49b157c 100644
--- a/css/about.css
+++ b/css/about.css
@@ -49,7 +49,7 @@
     --bg-grad-1: #2d3436;
     --bg-grad-2: #000000;
 
-    --glass-bg: rgba(30, 30, 35, 0.85); /* 提高背景不透明度增强可读性 */
+    --glass-bg: rgba(30, 30, 35, 0.55);
     --glass-border: 1px solid rgba(255, 255, 255, 0.15);
     --glass-shadow: 0 18px 60px rgba(0, 0, 0, 0.65);
 
@@ -3146,4 +3146,4 @@ body {
 
 /* Loading Transition */
 .fade-in { animation: fadeIn 0.3s ease both; }
-@keyframes fadeIn { from { opacity: 0; transform: translateY(2px);} to { opacity: 1; transform: none;} }
\ No newline at end of file
+@keyframes fadeIn { from { opacity: 0; transform: translateY(2px);} to { opacity: 1; transform: none;} }