This is a high-performance 2D UI layout library implemented in C language, capable of providing microsecond-level layout performance and flexible responsive layout capabilities. It adopts a layout model similar to flexbox, supporting responsive design, text wrapping, scrolling containers, and other features. The library is characterized by zero dependencies and lightweight nature, with the core file only being 2KB and can be compiled into a wasm file (15KB). It is suitable for game development, embedded devices, and lightweight web applications.