.wrap{
    width: 100%;
    height: 100%;
    padding-top: 250px;
    position: relative;
    overflow: hidden;
}
.article_top_wrap{
    position: absolute;
    top:0;
    left:0;
    width: 100%;
    height: 250px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.content{
    position:relative;
    height: 100%;
    width: 100%;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    padding: 18px 15px 100px 15px;
    font-size: 16px;
    color: #333333;
    line-height: 24px;
}
.content img{
    max-width: 100%;
    display: block;
    margin: 0 auto;
}
.article_top{
    width: 100%;
    position:absolute;
    border-radius:30px 30px 0 0;
    background-color:#ffffff;
    left: 0;
    bottom: 0;
    padding: 10px 15px 10px 15px;
}
.btn{
    width:30px;
    height:4px;
    background:rgba(255,135,85,1);
    border-radius:2px;
    position:absolute;
    left: 50%;
    margin-left: -15px;
}
.title{
    font-size: 18px;
    color: #333333;
    padding-top: 21px;
    padding-bottom: 8px;
    text-align: justify;
}
.time,.from{
    font-size: 12px;
    color: #666666;
}
.time{
    margin-right: 30px;
}
.ornament1{
    width: 60%;
    position:absolute;
    border-radius: 20px 20px 0 0;
    background-color: rgba(255, 255, 255, 0.5);
    height: 15px;
    top: -15px;
    left: 20%;
}
.ornament2{
    width: 40%;
    position:absolute;
    border-radius: 12px 12px 0 0;
    background-color: rgba(255, 255, 255, 0.5);
    height: 23px;
    top: -23px;
    left: 30%;
}
.back{
    position: absolute;
    width:30px;
    height:30px;
    background: rgba(255,255,255,0.4);
    border-radius:50%;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    top: 10px;
    left: 20px;
    z-index: 100;
    color: #ffffff;
    font-family: 'iconfont';
    font-weight: bold;
}
.back_wrap{
    height:50px;
    background:linear-gradient(180deg,rgba(3,0,0,0.4),rgba(0,0,0,0));
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}