*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,-apple-system,BlinkMacSystemFont,Helvetica Neue,Arial,sans-serif;background-color:#fff;color:#000}body{overflow: hidden;}#sf_root{width:100%;margin:0 auto}body>button{margin:8px;padding:8px 12px;font-size:14px}@media (max-width: 768px){body>button{width:auto;font-size:12px;padding:6px 10px}}