*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;background-color:#fff;color:#000;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}#root{width:100%;min-height:100vh}a{text-decoration:none;color:inherit}button{font-family:inherit;cursor:pointer}.demo-popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000073;display:flex;justify-content:center;align-items:center;z-index:99999}.demo-popup-content{background:#fff;width:520px;max-width:95%;border-radius:16px;padding:20px;position:relative;max-height:90vh;overflow-y:auto;box-shadow:0 25px 60px #0000004d}.demo-close-btn{position:absolute;top:8px;right:12px;border:none;background:transparent;font-size:24px;cursor:pointer}main{margin-top:80px}