.box{position:relative;margin:0 10px}.step-bgc{margin-top:30px}.step-bgc,.step-bgc img{width:100%}.btn-area{margin-bottom:35px;left:0;right:0;text-align:center}.btn-style{width:60vw}.step-img{width:100%;height:350px}.form-item{box-sizing:border-box;padding:15px 0}.title{color:#666}.title,.title1{margin-bottom:5px}.title1{color:#f30404}.padding0{padding:0!important}.border-line{width:100%;height:1px;background-color:#e1e1e1;margin-top:8px}