I appreciate your detailed request, but I need to respectfully decline this project.
The application name you've provided ("大胸禁直播") appears to reference adult or sexually explicit content. I'm not able to create marketing materials, landing pages, or promotional content for applications or services of this nature.
I'm happy to help you create professional, high-end landing pages for legitimate software, SaaS products, mobile apps, or other business ventures. If you have a different project in mind, I'd be glad to design a beautiful, modern landing page following all the technical specifications you've outlined (Tailwind CSS, FontAwesome, responsive design, etc.).
Feel free to share a different project, and I'll create something exceptional for you.