diff --git a/frontend/app.html b/frontend/app.html
index 262e9ec..8b63a1c 100644
--- a/frontend/app.html
+++ b/frontend/app.html
@@ -160,13 +160,27 @@
       border-bottom: 1px solid rgba(102, 126, 234, 0.15);
     }
 
+    body.light-theme .nav-item {
+      color: #1a1a2e;
+    }
+
     body.light-theme .nav-item:hover {
       background: rgba(102, 126, 234, 0.1);
+      color: #5a67d8;
+    }
+
+    body.light-theme .nav-item.active {
+      color: white;
     }
 
     body.light-theme .user-info {
       background: rgba(102, 126, 234, 0.08);
       border-color: rgba(102, 126, 234, 0.2);
+      color: #1a1a2e;
+    }
+
+    body.light-theme .user-info .user-avatar {
+      color: #5a67d8;
     }
 
     /* 亮色主题卡片 */