.cost{background-color:#fff}.cost .title{color:red;font-size:16px}.cost .btn{margin:20px 0}.cost .content{font-size:16px;font-weight:400;padding:30px}.cost .content .content-title{display:-webkit-box;display:-ms-flexbox;display:flex;width:90%;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.cost .change-price-text{color:red}