设计规范

主流设备尺寸网站，包含安卓、IOS、笔记本、穿戴设备等 Build beautiful, usable products faster. Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences.

提供各型号iPhone设备屏幕尺寸信息参数 PaintCode is a unique vector drawing app that generates Objective-C or Swift code in real time, acting as a bridge between developers and graphic designers.

常用设备参数大全，各种手机、平板、电脑不同型号的设备参数 Screensiz.es is a handy database of screen sizes, viewport sizes, and pixel densities for popular smart phones, tablets, and monitors.

苹果官方设计指南，获取相关资讯、文档、开发工具 There’s never been a better time to develop for Apple platforms.

微软官方设计指南 Your request has been blocked. This could be due to several reasons.

安卓官方设计指南中国版 探索面向所有 Android 设备开发者的最新应用开发工具、平台更新、培训和文档。

百度小程序规范 智能小程序，智能连接人与信息、人与服务、人与万物的开放生态，依托APP为代表的全域流量，通过百度AI开放式赋能， 精准连接用户，无需下载安装便可享受智慧超前的使用体验。

支付宝小程序规范 支付宝文档中心