.popup-exit,.popup-mask{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.5);z-index:9999;display:none}.popup-exit.hidden{display:none}.popup-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:white;padding:10px;box-shadow:0 4px 8px rgba(0,0,0,0.2);border-radius:8px;width:50%;max-width:600px}.popup-close-btn{background-color:#007bff;color:white;border:none;padding:10px 20px;cursor:pointer;border-radius:5px}.popup-close-btn:hover{background-color:#0056b3}@media (max-width:768px){.popup-content{width:90%}}