(The product interface design of millions of users can not only stay at the visual level, but more importantly: the design should meet the product characteristics and user needs. When interviewing UI designers, major Internet companies will not only look at professional design skills, but also focus on high-level skills such as product thinking, data analysis and design evaluation. You may think this is the role of other positions, but these are the decisive skills for your design products to look good and easy to use. The UI industry is super calm. How can it stand out in the increasingly fierce competition? How to lay a good foundation and break through the bottleneck of UI design?)