.calculadora-ors{max-width:600px;margin:2em auto;padding:2em;background:#fff;border-radius:12px;box-shadow:0 4px 14px rgba(0,44,95,.1);font-family:"Segoe UI",sans-serif;color:#002c5f}.calculadora-ors h2{text-align:center;margin-bottom:.5em;color:#002c5f}.calculadora-ors .intro{text-align:center;font-size:.95em;color:#333;margin-bottom:1.5em}.seccion{margin-bottom:1.8em}.seccion h4{margin-bottom:.6em;color:#1d3557;font-size:1.05em;border-left:4px solid #f39200;padding-left:.5em}.calculadora-ors label{display:block;margin-bottom:1em;font-size:.95em}.calculadora-ors input[type=number],.calculadora-ors input[type=text],.calculadora-ors select{width:100%;padding:.6em;margin-top:.3em;border:1px solid #ccc;border-radius:6px;background-color:#f4f4f4;color:#002c5f;box-sizing:border-box}.calculadora-ors input[readonly]{background-color:#e9ecef;font-weight:600}.botones{display:flex;justify-content:center;gap:1em;margin-top:1.5em}.calculadora-ors button{padding:.7em 1.5em;border:none;border-radius:6px;background-color:#002c5f;color:#fff;font-weight:600;cursor:pointer;transition:background-color .25s ease}.calculadora-ors button:hover{background-color:#f39200}.calculadora-ors i{margin-right:6px;color:#f39200}