@ly-js/ui/lib/components/fixed-container/style.css

`@ly-js/ui` 是基于`vue3`常用库，会在`@ly-js/element`、`@ly-js/vant`中引入

.ly-fixed-container__placeholder,.ly-fixed-container__wrap{transition:width .2s}.ly-fixed-container{position:relative}.ly-fixed-container__placeholder{box-sizing:border-box;background:0 0}.ly-fixed-container__wrap{box-sizing:border-box}