.swiper-animate { ???position: absolute; ???width: 100%; ???height: 100%; ???left: 0; ???top: 0; ???z-index: 10; ???background: linear-gradient(to bottom, transparent, #3e88f1); ???animation: scan 1.5s ease-in-out infinite; ???-webkit-animation: scan 1.5s ease-in-out infinite;}@keyframes scan { ???from { ???????top: -667px; ???}/*网格移动到显示区域的外面*/ ???to { ???????top: 0; ???}}@-webkit-keyframes scan { ???from { ???????top: -667px; ???} ???to { ???????top: 0; ???}}CSS3扫描动画效果
原文地址：https://www.cnblogs.com/jxust-jiege666/p/9900728.html