Mobile issues with site

First hello to all,

I’m going through a problem that I can not solve today, and I’d like your help. I have a website, and it’s opening in different ways, on my mobile phone and on my computer. The problem is my home page, which is totally unconfigured when opened by the mobile. In addition to opening up totally different than it should, the site on the phone is outdated, which is totally different from that you open the site through the computer for example.

This first print is about the site opened by the computer, realize that everything is normal and updated. https://imgur.com/a/wvSvE
The second is referring to the cell phone, which is opening in the wrong way and outdated. https://imgur.com/a/CtqnZ

The site is in Portuguese, but what matters is the problems presented when it is opened by the cell phone. The weird thing is that the problem only occurs on the homepage, on the other pages, it works normally.

Thank you all for your attention and possible answers.

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