.page-box img{cursor: pointer;}
.popwindow-pic{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0 0 0 / 50%);z-index:21474836471;display:none}
.popwindow-flex{width:100%;position:relative;height:100%;display:flex;justify-content:center;align-items:center;}
.popwindow-flex.enlarge img{transform: scale(2);}
.popwindow-flex img{max-width:90vw;max-height:calc(100% - 150px);}
span.popwindow-close{cursor:pointer;color:#fff;position:absolute;right:20px;top:20px;}
span.popwindow-close em{font-size:40px;line-height:1;font-weight:bold}
@media (max-width:990px){.popwindow-flex.enlarge img{transform: scale(1.5);}}
@media (max-width:768px){.popwindow-flex.enlarge img{transform: scale(1);}
.popwindow-flex img{max-width:92vw;max-height:calc(100% - 120px);}
span.popwindow-close{right:10px;top:20px;}
span.popwindow-close em{font-size:30px;}}