.nrf-tool { font-size: 15px; line-height: 1.6; }
.nrf-intro { color: #555; margin-bottom: 1.2rem; }
.nrf-card {
  border: 1px solid #e3e3e3; border-radius: 10px;
  padding: 1.1rem 1.3rem; margin: 1.2rem 0; background: #fafafa;
}
.nrf-card h2 { margin: 0 0 .4rem; font-size: 1.15rem; color: #2a2a2a; }
.nrf-hint { color: #888; font-size: .85rem; margin: .2rem 0 .9rem; }
.nrf-checks { display: flex; flex-wrap: wrap; gap: .5rem .9rem; }
.nrf-checks label {
  display: inline-flex; align-items: center; gap: .35rem;
  background: #fff; border: 1px solid #ddd; border-radius: 20px;
  padding: .35rem .8rem; font-size: .88rem; cursor: pointer;
}
.nrf-checks input { accent-color: #b7392e; }
.nrf-reco {
  margin-top: 1rem; padding: .9rem 1rem; border-radius: 8px;
  background: #fff; border-left: 4px solid #b7392e; font-size: .92rem;
}
.nrf-reco b { color: #b7392e; }
.nrf-table-wrap { overflow-x: auto; }
.nrf-table-wrap table { border-collapse: collapse; width: 100%; font-size: .85rem; background:#fff; }
.nrf-table-wrap th, .nrf-table-wrap td { border: 1px solid #e0e0e0; padding: .5rem .6rem; text-align: left; vertical-align: top; }
.nrf-table-wrap th { background: #f0f0f0; }
.nrf-batt-row { display: flex; gap: 1.2rem; flex-wrap: wrap; margin-bottom: .8rem; }
.nrf-batt-row label { display: flex; flex-direction: column; font-size: .82rem; color:#666; gap:.3rem; }
.nrf-batt-row input, .nrf-batt-row select { padding: .35rem .5rem; border:1px solid #ccc; border-radius:6px; font-size:.9rem; }
.nrf-batt-tbl { width: 100%; border-collapse: collapse; font-size: .85rem; }
.nrf-batt-tbl th, .nrf-batt-tbl td { border: 1px solid #e0e0e0; padding: .4rem .5rem; }
.nrf-batt-tbl input { width: 90px; padding: .3rem .4rem; border:1px solid #ccc; border-radius:6px; }
.nrf-foot { color:#999; font-size:.78rem; margin:.6rem 0 0; }
.nrf-money-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: .9rem; margin-top:.4rem; }
.nrf-money-box { background:#fff; border:1px solid #e3e3e3; border-radius:8px; padding:.9rem 1rem; }
.nrf-money-box h3 { margin:0 0 .4rem; font-size:.98rem; }
.nrf-money-box p { font-size:.84rem; color:#666; min-height: 2.6em; }
.nrf-btn {
  display:inline-block; margin-top:.3rem; padding:.4rem .8rem; border-radius:6px;
  background:#b7392e; color:#fff; text-decoration:none; font-size:.82rem;
}
.nrf-btn:hover { background:#9c2f26; }