.service-box{min-height:807px}ul li{list-style:none}.service-tab{text-align:center;margin:50px auto 40px;width:310px;padding-left:2%}.flex-b{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.service-tab ul .active{color:#2893fb;border-bottom:3px solid #2893fb}.service-tab ul li{margin:0 auto;font-weight:800;line-height:45px;padding:0 2%;font-size:22px;cursor:pointer}.online-message{text-align:center}.online-message .code-input{width:20%;text-align:left}.el-button{width:100%;height:50px;font-size:15px;font-weight:600;margin-top:10px;color:#fff;background-color:#409eff;border-color:#409eff}