.rtw{max-width:720px;margin:0 auto}
.rtw-row{margin-bottom:12px}
.rtw-row label{display:block;font-weight:600;margin-bottom:6px}
.rtw-row input,.rtw-row select,.rtw-row textarea{width:100%;padding:8px;border:1px solid #ccc;border-radius:6px}
.rtw button,.rtw .rtw-btn{background:#111;color:#fff;border:none;padding:10px 14px;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block}
.rtw .rtw-result{margin-top:16px}
.rtw .rtw-card{border:1px solid #ddd;padding:16px;border-radius:8px}
.rtw .rtw-error{background:#fee;border:1px solid #f99;padding:12px;border-radius:6px}