*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:16px;color:#111827;background:#f8fafc;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit}