*{margin:0;padding:0;box-sizing: border-box;}
a{text-decoration: none;}
.fl{float: left;}
.fr{float: right;}
.clearfix::after{
    content:"";
    display: block;
    clear: both;
}
html,body{
    height: 100%;
    /* background: #f5f5f5; */
}
.line1{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
}
.line2{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.line3{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}
input{
    outline: none;
    border: none;
    box-sizing: border-box;
    display: block;
    height: 100%;
    background: none;
}
/* 底部tabbar */
.tabbar{
    position: fixed;
    width: 100%;
    left:0;
    bottom:0;
    background: #fff;
    height: 1.467rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 100;
    border:1px solid #f5f5f5;
}
.tabbar .tab,.tabbar .tab a{
    font-size: .32rem;
    color:#999;
}
.tabbar .tab.on,.tabbar .tab.on a{
    color:#EF6800;
}
.tabbar .tab img{
    width: .533rem;
    height: .533rem;
    display: block;
    margin:0 auto;
}
.tabbar .tab:nth-child(2) img{
    width: .613rem;
    height: .453rem;
}
.tabbar .tab:nth-child(3) img{
    width: .693rem;
    height: .52rem;
}
.tabbar .tab:nth-child(4) img{
    width: .44rem;
    height: .56rem;
}
/* 头部返回 */
.navGoback{
    background: #F5F5F5;
    height: 1.067rem;
    line-height: 1.067rem;
    color:#333;
    font-size: 0.427rem;
    position: relative;
    box-sizing: border-box;
    padding-left: 1.267rem;
    position: fixed;
    z-index: 100;
    top:0;
    width: 100%;
    left:0;
}
.navGoback::before{
    content:"";
    position: absolute;
    width: .16rem;
    height: .16rem;
    border-top:2px solid #444;
    border-left:2px solid #444;
    transform: rotate(-45deg) translateY(-50%);
    left:.7rem;
    top:50%;
}