.steel-widget{background:#fff;border-radius:16px;box-shadow:0 4px 14px rgb(0 0 0 / .08);padding:20px;font-family:IRANSans,sans-serif}.steel-title{color:#033a88;font-size:20px;font-weight:700;text-align:center;margin-bottom:15px}.steel-form label{display:block;margin-bottom:6px;font-weight:500;color:#333}.steel-form .unit{color:#888;font-size:12px;margin-right:4px}.steel-form input{width:100%;padding:8px 10px;margin-bottom:12px;border:1px solid #ddd;border-radius:8px;font-size:14px}.steel-btn{width:100%;background:#033a88;color:#fff;border:none;border-radius:10px;padding:10px;font-size:15px;cursor:pointer;transition:background 0.3s ease}.steel-btn:hover{background:#d72808}.steel-result{margin-top:15px;font-size:16px;text-align:center;font-weight:700;color:#333;background:#ffff0029;border-radius:10px;padding:10px;border:1px solid #033a88;display:none}.steel-note{text-align:center;color:#666}.steel-form-inline .steel-form{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 10px}.steel-form-inline #straps_material{margin-bottom:0px!important}.steel-form-inline .steel-form label{display:none}.steel-form-inline .steel-form input{width:auto!important;flex:1 1 120px;margin:0!important;padding:6px 4px}.steel-form-inline .steel-btn{flex:1 1 100%;margin-top:8px;padding:8px}.steel-form-inline .steel-title{margin-bottom:10px}.steel-form-inline .steel-result{margin-top:8px;padding:6px}@media(max-width:480px){.steel-form-inline .steel-form{flex-direction:column;align-items:stretch}.steel-form-inline .steel-form input{width:100%!important}}@media (max-width:600px){.steel-widget{padding:15px!important;border-radius:14px;max-width:100%!important;font-size:15px!important;line-height:1.45!important}.steel-title{font-size:15px!important;font-weight:600!important;margin-bottom:12px!important}.steel-form input,.steel-form select{font-size:13px!important;height:42px!important;width:100%!important}.steel-form input::placeholder,.steel-form select::placeholder{font-size:13px!important;opacity:.85}.steel-form label{font-size:13px!important}.steel-btn{height:44px!important;font-size:14px!important;font-weight:600;border-radius:8px!important;width:100%!important}.steel-result{font-size:14px!important;padding:8px!important;text-align:center}.steel-note{font-size:12px!important;opacity:.9}.steel-form-inline .steel-form{flex-direction:column!important;gap:8px!important}.steel-form-inline .steel-form input,.steel-form-inline .steel-form select{width:100%!important;flex:auto}.steel-form-inline .steel-btn{font-size:14px!important;height:44px!important;width:100%!important}.steel-form{gap:10px!important}}