*{margin:0;padding:0;box-sizing:border-box}:root{background:#ededed}#app,:root,body,html{width:100%;height:100%;overflow-y:auto;font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:.12rem}.flex{display:flex}.flex_item{flex:1}.flex_item_3{flex:0 0 33%}.flex_item_24{flex:0 0 24%}.flex_item_25{flex:0 0 25%}.flex_wrap{flex-wrap:wrap}.flex_align_center{align-items:center}.flex_align_end{align-items:flex-end}.flex_justify_end{justify-content:flex-end}.flex_justify_center{justify-content:center}.flex_justify_between{justify-content:space-between}.flex_justify_around{justify-content:space-around}.flex_item_align_center{align-self:center}.flex_item_flex_basis{flex-basis:0.1rem}.pr{position:relative}.pa{position:absolute}.tl{text-align:left}.tc{text-align:center}.tr{text-align:right}.txtcut{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.van-nav-bar .van-icon{color:#999;font-size:20px}