access gone and webpage gone

Hello all,
I have created a website through my webhosting. ( For the English mirror site I entered under the WordPress Setting, because I thought that the tabs would then display correctly. That was obviously just dumb, as the website is now gone and I can not get into WordPress with my username und password. Not even using the webhosting access. Is there anything else that can be done, or does the site has to be redone? Thanks in advance, Katie

The page I need help with: [log in to see the link]

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