* {margin:0;padding:0;box-sizing:border-box;}
html, body {width:100%;height:100%;}
html {font-size:100px;}
body {font-size:0.16rem;}
img {transition:all 0.5s; -webkit-transition:all 0.5s; -moz-transition:all 0.5s; -o-transition:all 0.5s;}
.caozuo {position:fixed;right:0;top:0;width:2.8rem; height:100%; padding:0.15rem;background:#333;color:#eee;font-size: 0.14rem;}
.caozuo > * {margin-bottom:0.15rem;}
input[type="number"] {flex:1;}
li, .zhixing {display:flex; flex-flow: row nowrap;  align-items:center;}
li {margin-bottom:0.1rem;}
li input[type='number'] {flex:1; min-width:0;margin:0 0.05rem;}
li span {width:0.5rem;}