:root{
  --blue:#0fa0da; --blue-d:#0b7fae; --green:#92c374; --ink:#1d2733; --muted:#5c6b7a;
  --line:#dbe3ea; --bg:#f4f8fb; --card:#fff; --hl:#e7f6fc; --warn-bg:#fff6e0; --warn:#8a5a00; --err-bg:#fdecec; --err:#a12020;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.top{display:flex;align-items:center;gap:20px;padding:14px 24px;background:#fff;border-bottom:4px solid var(--blue)}
.logo{height:44px;width:auto}
.eff{margin:0 0 0 auto;font-size:13px;color:var(--muted);text-align:right}
.top h1{margin:0;font-size:20px;font-weight:600;color:var(--muted)}
main{max-width:1100px;margin:0 auto;padding:20px 16px 40px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:860px){.grid{grid-template-columns:1fr}.top{padding:12px 16px}.logo{height:36px}}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:0 1px 3px rgba(20,40,60,.05)}
.card h2{margin:0 0 14px;font-size:16px;color:var(--blue-d)}
.inputs{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;padding:10px 12px;background:var(--hl);border-radius:8px}
.inputs label{font-weight:600;flex:1 1 160px}
.req{color:var(--err)}
.money{display:flex;align-items:center;border:1px solid #b9c7d3;background:#fff;border-radius:6px;padding:0 10px;min-width:150px}
.money:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(15,160,218,.2)}
.money span{color:var(--muted)}
.money input{border:0;outline:0;font:inherit;font-size:17px;padding:8px 4px;width:130px;text-align:right;background:transparent}
.money.invalid{border-color:var(--err)}
.tbl{width:100%;border-collapse:collapse;margin:8px 0 16px}
.tbl th,.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left}
.tbl thead th{background:var(--ink);color:#fff;font-weight:600}
.tbl thead tr+tr th{background:var(--blue);}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl tbody td.num{font-weight:600}
.tbl.small th,.tbl.small td{padding:6px 10px;font-size:14px}
.tbl.small thead th{background:var(--ink)}
.cap{color:var(--warn);font-size:12px;font-weight:600;margin-left:6px}
.offer{margin-top:14px;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.offer h3{margin:0;padding:8px 12px;background:var(--ink);color:#fff;font-size:14px;white-space:pre-line}
.offer dl{margin:0}
.offer .row{display:flex;justify-content:space-between;padding:8px 12px;border-top:1px solid var(--line)}
.offer .row:first-child{border-top:0}
.offer dt{color:var(--muted)}
.offer dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
.offer .row.key{background:var(--hl)}
.note{margin:8px 0;padding:8px 12px;border-radius:6px;font-size:13px;background:var(--warn-bg);color:var(--warn)}
.banner{padding:12px 16px;border-radius:8px;margin-bottom:16px}
.banner.error{background:var(--err-bg);color:var(--err);border:1px solid #f1b5b5}
.banner ul{margin:6px 0 0 18px;padding:0}
.foot{color:var(--muted);font-size:12px;margin-top:16px}