feat: 完善中文心理测评平台

app/[locale]/page.tsx

@@ -0,0 +1,38 @@
+import Link from 'next/link';
+import { ArrowRight, ClipboardList } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+
+export default function Home() {
+  return (
+    <div className="min-h-[calc(100vh-3.5rem)] border-t bg-background">
+      <section className="container max-w-4xl mx-auto px-4 py-16 md:py-24">
+        <div className="space-y-8">
+          <div className="space-y-4">
+            <div className="inline-flex h-10 w-10 items-center justify-center rounded border bg-muted">
+              <ClipboardList className="h-5 w-5" />
+            </div>
+            <h1 className="text-3xl md:text-5xl font-semibold tracking-normal">
+              心理量表测试
+            </h1>
+            <p className="text-base md:text-lg text-muted-foreground max-w-2xl">
+              选择一个量表，完成答题后查看结果。数据只在当前浏览器中处理，结果仅供参考，不构成医疗诊断。
+            </p>
+          </div>
+
+          <Button size="lg" asChild>
+            <Link href="/questionnaire" className="gap-2">
+              开始测试
+              <ArrowRight className="h-5 w-5" />
+            </Link>
+          </Button>
+
+          <div className="grid grid-cols-1 sm:grid-cols-3 gap-3 pt-4 text-sm text-muted-foreground">
+            <div className="border rounded p-4">人格、认知、情绪状态</div>
+            <div className="border rounded p-4">自动计算结果</div>
+            <div className="border rounded p-4">可复制完整记录</div>
+          </div>
+        </div>
+      </section>
+    </div>
+  );
+}