UI/前端问题调试方法论。当遇到 CSS、布局、组件行为等 UI 问题时，强制执行"先观察后动手"的调试流程，避免盲目尝试。
- Initial release of UI/front-end debugging methodology. - Introduces a strict "observe before you code" workflow for CSS, layout, and component issues. - Provides step-by-step processes: Observe, Understand Mechanism, Locate Root Cause, Minimal Fix, and Verify. - Includes common pitfalls, checklists, and real-world case studies for guidance. - Aims to reduce blind trial-and-error and improve debugging efficiency for all frontend projects.