Apple Design
https://developer.apple.com/design/human-interface-guidelines/
Google Material Design
https://material.io
IBM Carbon Design Kit
https://www.carbondesignsystem.com/
Microsoft Resources
https://developer.microsoft.com/en-us/fluentui#/resources
奥迪设计规范关于网格系统
https://www.audi.com/ci/en/intro/basics/colours.html
国外设计导航
https://www.bookmarks.design/categories/design-systems/