Web内容无障碍指南 (WCAG) 2.0 https://www.w3.org/TR/WCAG20/ https://www.w3.org/Translations/WCAG20-zh/ https://www.w3.org/WAI/WCAG20/quickref/ https://www.edx.org/accessibility 作者: edustack edustack webmaster 查看edustack的所有文章