body,html{width:100%;height:100%;box-sizing:border-box;background-color:#2c254a}.assist{padding:40px 17px}.assist .tip{height:16px;margin:20px 0 50px;font-size:16px;line-height:16px;font-weight:700;color:#fff}.assist .contact{width:100%;height:56px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between;line-height:56px;border-bottom:1px solid hsla(0,0%,100%,.1)}.assist .contact .label{height:20px;flex:auto;font-size:14px;line-height:20px;color:#e2eaf8}.assist .contact .btn{width:82px;height:30px}