@media (max-width:767px){.popup-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);z-index:10000;justify-content:center;align-items:center}.popup-box{background:#fff;width:90%;max-width:400px;padding:20px;border-radius:10px;position:relative}.popup-box .close-popup{position:absolute;top:8px;right:10px;font-size:22px;cursor:pointer;color:#333}}