Lead the design system of darkmode. As the product design lead on darkmode design system, I came up with darkmode guideline & designed key screens. I Lead 10+ designers to collborate and make all pillars of Lark suites adapt darkmode. We have 25%+ mobile adoption, 8%+ desktop adoption for darkmode on launch Darkmode fullfilled user needs by making Lark suites to be compatible with the theme of operating system. As one of the core features, Darkmode was luanched in Nov 2021 on Bytedance Lark conference.