.about-us .kche-t39 .kche-item-img img,.about-us .kche-t41 .kche-item-img img{cursor:pointer;}
.popwindow{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0 0 0 / 50%);z-index:999999999;display:none;}
.popwindow-info{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative;}
.popwindow-close{width:40px;height:40px;cursor:pointer;position:absolute;right:4vw;top:2vw;transform:scale(1.6);}
.popwindow-close:before{content:'';width:24px;height:2px;background:#fff;position:absolute;transform:rotate(45deg);top:20px;left:8px;}
.popwindow-close:after{content:'';width:24px;height:2px;background:#fff;position:absolute;transform:rotate(-45deg);top:20px;left:8px;}
.popwindow-info img{max-width:calc(90vw - 100px);max-height:calc(90vh - 100px);}
@media (max-width:768px){.popwindow-info img{max-width:92vw;max-height:calc(90vh - 100px);}
.popwindow-close{transform:scale(1.3);right:2vw}}