html,body{margin:0;background:#f5f7fb;color:#1f2937;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;text-size-adjust:100%;overflow-x:hidden}*{box-sizing:border-box}@media(max-width:640px){button,.switch,select,input[type=text],input[type=number]{min-height:40px}input[type=text],input[type=number],select{font-size:16px!important}}