<IfModule mod_rewrite.c>
RewriteEngine On
# Dentro desta pasta: /campanha/algum-slug → edicao10.php?c=algum-slug
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^([a-z0-9-]{2,80})/?$ edicao10.php?c=$1 [L,QSA]
</IfModule>
