body *{box-sizing:border-box;flex-shrink:0}
*{margin:0;padding:0;list-style:none}
body{font-family:PingFangSC-Regular,Roboto,Helvetica Neue,Helvetica,Tahoma,Arial,PingFang SC-Light,Microsoft YaHei;padding:0;margin:0}
button{margin:0;padding:0;border:1px solid transparent;outline:none;background-color:transparent}
button:active{opacity:0.6}
.flex-col{display:flex;flex-direction:column}
.flex-row{display:flex;flex-direction:row}
.justify-start{display:flex;justify-content:flex-start}
.justify-center{display:flex;justify-content:center}
.justify-end{display:flex;justify-content:flex-end}
.justify-evenly{display:flex;justify-content:space-evenly}
.justify-around{display:flex;justify-content:space-around}
.justify-between{display:flex;justify-content:space-between}
.align-start{display:flex;align-items:flex-start}
.align-center{display:flex;align-items:center}
.align-end{display:flex;align-items:flex-end}
ul li{padding:0;margin:0;list-style:none}
a{text-decoration:none;color:#000}