Detect locale with is-china-user and show English copy for non-Chinese visitors.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/about/page.tsx

@@ -1,6 +1,11 @@
+"use client";
+
 import Link from "next/link";
+import { useLocale } from "~/components/locale-provider";
 
 export default function AboutPage() {
+  const { t } = useLocale();
+
   return (
     <div
       className="flex min-h-dvh flex-col bg-[#f8f7fc] px-5 py-10"
@@ -10,16 +15,15 @@ export default function AboutPage() {
       }}
     >
       <div className="mx-auto w-full max-w-md">
-        <h1 className="text-xl font-bold text-neutral-900">关于 Nomadro</h1>
+        <h1 className="text-xl font-bold text-neutral-900">{t.about.title}</h1>
         <p className="mt-4 text-sm leading-relaxed text-neutral-600">
-          Nomadro 是中文数字游民操作系统，提供游民导航、地理套利、直播工具箱等模块，
-          帮助更多人从固定工位走向自由生活与自由收入。
+          {t.about.body}
         </p>
         <Link
           href="/"
           className="mt-8 inline-block text-sm text-violet-600 active:text-violet-800"
         >
-          ← 返回首页
+          {t.about.backHome}
         </Link>
       </div>
     </div>