.img-ppt{--primary-color:var(--531aaa8d);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);background-color:#00000080;height:100vh;left:0;position:fixed;top:0;width:100vw;z-index:9999999999}.img-ppt .img-ppt-btn-close{background-color:#606266;border-radius:50%;color:#fff;opacity:.8;right:40px;top:40px;width:40px;z-index:1}.img-ppt .img-ppt-btn-close,.img-ppt .img-ppt-btn-cover{align-items:center;cursor:pointer;display:flex;height:40px;justify-content:center;position:absolute}.img-ppt .img-ppt-btn-cover{background-color:#0003;left:0;transition:background-color .3s ease;width:100%}.img-ppt .img-ppt-btn-cover.img-ppt-btn-prev{top:0}.img-ppt .img-ppt-btn-cover.img-ppt-btn-next{bottom:0}.img-ppt .img-ppt-btn-cover:hover{background-color:#0006}.img-ppt .img-ppt-thumb-box{background-color:#0000001a;height:100%;left:0;overflow:hidden;padding:40px 20px;position:absolute;top:0;width:140px}.img-ppt .img-ppt-thumb-box ul{transition:transform .3s ease}.img-ppt .img-ppt-thumb-box ul li{align-items:center;background-color:#fff;border:3px solid #fff;border-radius:2px;cursor:pointer;display:flex;height:100px;justify-content:center;margin:10px 0;overflow:hidden;width:100px}.img-ppt .img-ppt-thumb-box ul li.active{border-color:var(--primary-color);cursor:default}.img-ppt .img-ppt-big-box{align-items:center;bottom:20px;display:flex;justify-content:center;left:160px;position:absolute;right:20px;top:20px}.img-ppt .img-ppt-big-box img{-o-object-fit:scale-down!important;object-fit:scale-down!important}