*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2330;background:#f6f7f9}
main{max-width:960px;margin:0 auto;padding:20px}h1{font-size:1.8rem;margin:.2em 0}.lead{font-size:1.05rem}.spec{font-size:.85rem;color:#4a5568;border-left:3px solid #2f855a;padding-left:8px}
fieldset{border:1px solid #d7dce3;border-radius:8px;margin:0 0 12px;padding:10px 12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px 14px;background:#fff}
legend{font-weight:600;padding:0 4px}label{display:flex;flex-direction:column;font-size:.85rem;gap:3px}input,select,button{font:inherit;padding:7px 8px;border:1px solid #b9c1cc;border-radius:6px;background:#fff}
button{cursor:pointer;background:#edf2f7}button.on{background:#2f855a;color:#fff;border-color:#2f855a}
#out{background:#fff;border:1px solid #d7dce3;border-radius:8px;padding:14px;margin:14px 0}.big{font-size:2rem;font-weight:700;margin:.1em 0;color:#22543d}
table{border-collapse:collapse;width:100%;margin:6px 0 12px;font-size:.9rem}th,td{text-align:left;padding:5px 6px;border-bottom:1px solid #edf0f4;vertical-align:top}.n{text-align:right;white-space:nowrap}
.small{font-size:.8rem;color:#5a6472}.wk{margin:10px 0}.gro{columns:2;font-size:.9rem}input.lg{width:100%;min-width:130px;padding:4px 6px}
.buy{background:#f0fff4;border:1px solid #9ae6b4;border-radius:8px;padding:12px}.btn{display:inline-block;margin:6px 6px 0 0;padding:9px 14px;border-radius:6px;background:#2f855a;color:#fff;text-decoration:none;font-weight:600}.btn.alt{background:#fff;color:#2f855a;border:1px solid #2f855a}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;margin:8px 0}.file input{border:0;padding:0}.how{margin-top:20px}
@media print{form,#pro,#buyline,.how,.lead,.spec{display:none}#out{border:0}input.lg{border:0;border-bottom:1px solid #999;border-radius:0}}