饮食管理小程序 UI 优化
Optimize the UI/UX and visual design of a WeChat mini program for kidney disease diet management. Reference the wearable health app UI style from aura.build for interaction and color palette. Requirements: - Keep all core functionality unchanged, only improve visuals and interactions - Overall style: healthy, warm, approachable - Colors: softer and lighter than the reference, gentle and fresh - Focus: better UX and visual communication - Features: nutrition tracking, weight, diet records, recommendations, settings