重构布局组件，优化导航栏和头部结构；调整样式以改善响应式设计

src/components/page.tsx

@@ -10,7 +10,8 @@ export default function Page(props: ComponentProps<'main'> & PageProps) {
     <main
       {...props}
       className={merge(
-        `flex-auto rounded-tl-xl overflow-hidden relative`,
+        `relative size-full`,
+        props.className,
       )}>
 
       {/* background */}