.sign::before{content:'';position:absolute;top:-144px;left:80px;width:191px;height:187px;background:url(https://img.alicdn.com/imgextra/i1/2210123621994/O1CN013Q07WX1QbIk0oAGPG_!!2210123621994.png) no-repeat center / 100%;}.index-tab ul>li.active{background-image:linear-gradient(to right,#566fee 10%,#a1aff5 100%);border:0;padding:8px 14px;box-shadow:0 0 8px 0 rgba(95,95,95,.15);border-radius:6px}.index-tab ul>li{display:inline-flex;align-items:center;padding:2px 17px;font-weight:500;border-radius:20px;margin:0 1px}