Mail app exploration - Debut shot

Hello all!

Finally, I can join this amazing community. I can't remember how many times I failed to join Dribbble. So It's very honor to me and I want to say big thanks to @Kyler Phillips for choosing me. Although I was very happy when receiving the invitation one year ago, but I also want to make an impressive debut shot, and I have to focus on my business so it's delayed until today.
This shot is my result when exploring new Fluent Design System from Microsoft. It's also my imagination about how future Mail app in macOS can become: more playful and lively.

More works are on the way and looking forward for all your feedback!