.obc-calculator{max-width:480px;margin:0 0 1.5em;padding:1.25em;border:none;border-radius:6px;background:#f1f1f1}.obc-calculator .obc-field{margin-bottom:1em}.obc-calculator label{display:block;font-weight:600;margin-bottom:.35em}.obc-calculator select,.obc-calculator input[type="number"]{width:100%;max-width:260px;padding:.5em;border:1px solid #ccc;border-radius:4px;font-size:1em}.obc-calculator .obc-hint{display:block;font-size:.85em;color:#666;margin-top:.25em}.obc-calculator .obc-price{font-size:1.3em;font-weight:700;margin:1em 0}.obc-calculator .obc-price-value{color:#2b7a2b}.obc-calculator .obc-submit{cursor:pointer}.obc-calculator .obc-submit[disabled]{opacity:.5;cursor:not-allowed}