.materials{position:relative}.materials .header{height:.44rem;font-size:.17rem;font-weight:400;line-height:.24rem;color:#333;background:#fff;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;align-items:center;padding:0 .135rem}.materials .header .confirm{color:#3b86ff}