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/composites/user-center/index.tsx

@@ -52,10 +52,10 @@ export default function UserCenter() {
           <span>{profile.name}</span>
         </Button>
       </HoverCardTrigger>
-      <HoverCardContent className="w-40 p-1" align="end">
+      <HoverCardContent className="w-36 p-1" align="end">
         <Button
           theme="ghost"
-          className="w-full justify-start"
+          className="w-full justify-start text-sm h-9 px-3"
           onClick={() => router.push('/admin/profile')}>
           <UserPenIcon/>
           个人中心
@@ -63,7 +63,7 @@ export default function UserCenter() {
         <Button
           theme="ghost"
           color="fail"
-          className="w-full justify-start"
+          className="w-full justify-start text-sm h-9 px-3"
           onClick={doLogout}>
           <LogOutIcon/>
           退出登录