fix: rewrite ai-flavored marketing copy with natural language

app/(main)/post/[id]/page.tsx

@@ -122,7 +122,7 @@ export default async function PostDetailPage({ params }: { params: Promise<{ id:
         </div>
 
         {comments.length === 0 ? (
-          <p className="text-sm text-muted-foreground text-center py-8">暂无评论，来抢沙发吧</p>
+          <p className="text-sm text-muted-foreground text-center py-8">还没有评论</p>
         ) : (
           <div className="space-y-4">
             {comments.map((comment) => (

app/(main)/post/new/page.tsx

@@ -105,12 +105,7 @@ export default function NewPostPage() {
 
             <div className="space-y-2">
               <Label htmlFor="content">内容</Label>
-              <Textarea
-                id="content"
-                placeholder="分享你的游戏体验..."
-                rows={6}
-                {...register("content")}
-              />
+              <Textarea id="content" placeholder="写点什么..." rows={6} {...register("content")} />
               {errors.content && (
                 <p className="text-xs text-destructive">{errors.content.message}</p>
               )}