1. You can download the package via customer area, you have changed the template_name so please copy the files for scss manually.
2. The issue caused by your custom layout settings, if you want to show the page title and breadcrumbs, the layout look like this https://imgur.com/kYYqdBd
I Just modified the layout for you and now its working.
3. You are using both ACY 5 and 6 component, I can help to uninstall the ACY version 5 if you want