.cn-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:9998}.cn-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:30%;background:#fff;padding:20px;border-radius:8px;z-index:9999}.cn-iframe{width:100%;height:300px;border:none}.cn-close{background:0 0;border:none;font-size:24px;float:right;cursor:pointer}.hidden{display:none !important}@media (max-width:768px){.cn-popup{width:90%}}