.container{
    margin:0 auto;
    max-width:768px;
    height: 100vh;
}
.container .header{
    position: relative;
    z-index: 10;
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    align-items: center;
    height: 44px;
    color: #333;
    background-color: #fff;
    font-size: 18PX;
    text-align: center;
}
.header .seller-info{
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-box-align: center;
    align-items: center;
    -webkit-box-flex: 1;
    flex: 1;
    overflow: hidden;
}
.header .back{
    background: #333;
    background-size: 20PX 20PX;
    background-position: 50%;
    float: left;
    width: 40PX;
    height: 20px;
    cursor: pointer;
}
.header .seller-info>i{
    display: inline-block;
    margin-right: 7px;
    -webkit-box-flex: 0;
    flex: 0 0 24px;
    vertical-align: middle;
    height: 24px;
    border-radius: 14px;
    background-size: cover;
    background-repeat: no-repeat;
}
.header .share-icon{
    width: 40PX;
    float: right;
    background: url(https://n1image.hjfile.cn/res7/2019/01/22/cdb7fff….png) no-repeat;
    background-size: 20PX 20PX;
    background-position: 50%;
    cursor: pointer;
}

.intro{
    position: relative;
    margin-top: 40px;
    padding: 20px;
    background: #f2f3f7;
    font-size: 16px;
    color: #54677d;
    line-height: 30px;
    word-break: break-all;
    word-wrap: break-word;
    white-space: pre-wrap;
    box-sizing: border-box;
}
.intro::before{
    position: absolute;
    top: 0;
    left: 10px;
    display: block;
    content: "";
    height: 31px;
    width: 48px;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    background: url('../images/quto.png') no-repeat 50%/cover;
}
.go-back{
    padding:0 30px;
    height: 28px;
    line-height: 28px;
    background: #2f5aff;
    color:#fff;
    border-radius: 20px;
    display: table;
    margin:0 auto;
    margin-top:20px;
    cursor: pointer;
    user-select: none;
}