Rewrite Rule in .htaccess file for subdomain

Question

I have a subdomain named

http://career.example.com

My URL Look Like

http://career.example.com/details.php?jid=17

Now I wan to show my URL look Like

http://career.example.com/details

I use this code in my .htaccess but not work

RewriteEngine on

RewriteCond %{HTTP_HOST} ^career\.example\.com  [NC]
RewriteRule ^(.*) http://example.com/$1 [L,R=301]
RewriteRule    ^details/([0-9]+)/?$    details.php?jid=$1    [NC,L]