.form_item{width:300px}.order_form_item_line{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;width:90%}.order_form_item{-webkit-box-flex:1;-ms-flex:1;flex:1;margin-left:5px;margin-right:5px}.fixed-bottom-button{position:fixed;bottom:20px;z-index:9999;-webkit-transition:width .2s ease;transition:width .2s ease}.fixed-bottom-button .el-button{width:100%}