body,button,dd,dl,dt,h1,h2,h3,h4,input,ol,p,textarea,ul{margin:0;padding:0;}
img{border:0;vertical-align:middle;}
a:hover{text-decoration:none;}
li,ol,ul{list-style:none;}
:link,:visited{text-decoration:none;}
table{border-collapse:collapse;border-spacing:0;}
a,button{color:#313131;cursor:pointer;}
button,input,option,select,textarea{font-weight:inherit;font-style:inherit;font-size:inherit;font-family:inherit;}
.clearfix:after{clear:both;display:block;visibility:hidden;height:0;content:"";}
.clear{clear:both;}
i{font-style:normal;}
body{font-size:14px;font-family:"Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;line-height:1;}
.width{margin:0 auto;width:1440px;}
.flex{display:flex;}
.flex1{display:flex;justify-content:space-between;flex-wrap:wrap;}
.flex2{display: flex;justify-content: space-between;}