body{font-family:system-ui,sans-serif;max-width:640px;margin:2rem auto;padding:0 1rem;color:#222}
h1{font-size:1.6rem}label{display:block;margin:.9rem 0 .25rem;font-weight:600}
input,textarea,select{width:100%;padding:.6rem;border:1px solid #bbb;border-radius:6px;font:inherit;box-sizing:border-box}
textarea{min-height:90px}button{margin-top:1.2rem;padding:.8rem 1.4rem;background:#1a5cff;color:#fff;border:0;border-radius:6px;font-size:1rem;cursor:pointer}
.hint{color:#666;font-size:.9rem}