优化白色主题渲染逻辑

public/index.html

@@ -13,9 +13,18 @@
     // Prevent theme flicker
     (function() {
       const savedTheme = localStorage.getItem('theme');
-      if (savedTheme === 'light') {
+      const settings = window.SITE_SETTINGS || {};
+      const defaultTheme = settings.default_theme || 'dark';
+      const theme = savedTheme || defaultTheme;
+      
+      if (theme === 'light') {
         document.documentElement.classList.add('light-theme');
       }
+      
+      // Also apply title if available to prevent flicker
+      if (settings.page_name) {
+        document.title = settings.page_name;
+      }
     })();
   </script>
 </head>