.ft-bar { background: #FFFFFF; border-bottom: 1px solid var(--rule); }
  .ft-bar-inner { display: flex; align-items: center; gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
  .ft-chips { display: flex; gap: 8px; overflow-x: auto; flex: 1 1 420px; min-width: 0; scrollbar-width: thin; padding-bottom: 2px; }
  .ft-chips a { white-space: nowrap; font-weight: 600; font-size: 14px; color: var(--nav); border: 1px solid var(--line-strong); border-radius: 999px; padding: 8px 14px; min-height: 40px; display: inline-flex; align-items: center; }
  .ft-chips a:hover { border-color: var(--blue); color: var(--blue); }
  .ft-units { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 6px; overflow: hidden; flex: none; }
  .ft-units button { font: 600 14px var(--font-body); padding: 10px 16px; min-height: 44px; border: 0; background: #FFFFFF; color: var(--nav); cursor: pointer; }
  .ft-units button[aria-pressed="true"] { background: var(--blue); color: #FFFFFF; }
  .ft-wrap { padding-top: 2.5rem; }
  .ft-stack { display: flex; flex-direction: column; gap: 22px; }
  .ft-card { background: #FFFFFF; border: 1px solid var(--card-line); border-top: 3px solid var(--blue); border-radius: 6px; box-shadow: 0 10px 30px -20px rgba(11, 30, 61, 0.35); padding: 1.6rem 1.6rem 1.2rem; scroll-margin-top: 96px; }
  .ft-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 1.2rem; }
  .ft-num { font-family: var(--font-display); font-weight: 800; font-size: 1.6rem; color: var(--blue); line-height: 1; }
  .ft-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
  .ft-sub { font-family: var(--font-body); font-size: 1rem; font-weight: 700; margin: 1.2rem 0 .6rem; color: var(--white); }
  .ft-form { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px 16px; }
  .ft-form-inline { grid-template-columns: minmax(200px, 280px); }
  .ft-field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--white); }
  .ft-field[hidden], .ft-field [hidden] { display: none; }
  .ft-sub i { font-style: normal; font-weight: 500; color: var(--muted); }
  .ft-field i { font-style: normal; font-weight: 500; color: var(--muted); }
  .ft-field em { font-style: normal; font-weight: 500; color: var(--muted); font-size: 12px; }
  .ft-wide { grid-column: 1 / -1; }
  .ft-field input, .ft-field select { font: 600 18px var(--font-body); color: #0B1E3D; background: #F7F9FC; border: 1px solid var(--line-strong); border-radius: 6px; padding: 10px 12px; min-height: 50px; width: 100%; box-sizing: border-box; }
  .ft-field input:focus, .ft-field select:focus { outline: 2px solid var(--blue); outline-offset: 1px; background: #FFFFFF; }
  .ft-out { margin-top: 1.3rem; }
  .ft-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
  .ft-stat { background: #F2F4F7; border-radius: 6px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
  .ft-hi { background: #0B1E3D; }
  .ft-hi .ft-label, .ft-hi .ft-subval { color: #9DB1CC; }
  .ft-hi .ft-val { color: #FFFFFF; }
  .ft-label { font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
  .ft-val { font-family: var(--font-display); font-weight: 700; font-size: 1.8rem; line-height: 1.05; color: #0B1E3D; overflow-wrap: anywhere; }
  .ft-u { font-family: var(--font-body); font-size: .5em; font-weight: 600; margin-left: .3em; color: var(--muted); letter-spacing: 0; }
  .ft-hi .ft-u { color: #9DB1CC; }
  .ft-table .ft-u { font-size: .85em; }
  .ft-subval { font-size: 13px; color: var(--muted); }
  .ft-opts { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
  .ft-chiplist { display: flex; flex-wrap: wrap; gap: 8px; }
  .ft-chip { font-weight: 700; font-size: 15px; color: #0B1E3D; background: #E8F1FC; border-radius: 4px; padding: 6px 10px; }
  .ft-grid + .ft-grid { margin-top: 10px; }
  .ft-chip-flat { background: #FFF4E5; color: #7A4100; }
  .ft-flatnote { margin: 8px 0 0; font-size: 13px; font-weight: 600; color: #7A4100; }
  .ft-warn { margin: 10px 0 0; padding: 10px 12px; border-radius: 6px; background: #FFF4E5; color: #7A4100; font-weight: 600; font-size: 15px; }
  .ft-how { margin-top: 1rem; border-top: 1px solid var(--rule); padding-top: .7rem; }
  .ft-how summary { cursor: pointer; font-weight: 700; font-size: 14px; color: var(--blue); min-height: 32px; display: flex; align-items: center; }
  .ft-how p { font-size: 14px; line-height: 1.6; margin: .5rem 0 0; }
  .ft-scroll { overflow-x: auto; border: 1px solid var(--card-line); border-radius: 6px; max-height: 560px; overflow-y: auto; }
  .ft-table { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
  .ft-table caption { text-align: left; font-size: 13px; color: var(--muted); padding: 8px 12px; caption-side: top; }
  .ft-table th, .ft-table td { padding: 8px 12px; text-align: right; border-bottom: 1px solid #E6EBF1; white-space: nowrap; }
  .ft-table thead th { position: sticky; top: 0; background: #0B1E3D; color: #FFFFFF; font-weight: 700; z-index: 1; }
  .ft-table tbody th { text-align: left; background: #F2F4F7; color: #0B1E3D; position: sticky; left: 0; }
  .ft-table td b { display: block; color: #0B1E3D; }
  .ft-table td small { color: var(--muted); font-size: 12px; }
  .ft-table tbody tr:nth-child(even) td { background: #FAFBFD; }
  .ft-offset-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }
  .ft-diagram { width: 100%; height: auto; background: #F2F4F7; border-radius: 6px; padding: 8px; box-sizing: border-box; }
  .ft-note { font-size: 14px; color: var(--muted); text-align: center; margin: .5rem 0 0; }
  .ft-note a { color: var(--blue); font-weight: 600; }
  @media (max-width: 760px) {
    .ft-offset-grid { grid-template-columns: 1fr; }
    .ft-diagram { max-width: 360px; }
    .ft-card { padding: 1.2rem 1rem 1rem; }
    .ft-form { grid-template-columns: 1fr 1fr; }
    .ft-grid { grid-template-columns: 1fr 1fr; }
    .ft-val { font-size: 1.5rem; }
  }
  @media (max-width: 420px) { .ft-form { grid-template-columns: 1fr; } }
  @media print { .site-header, .ft-bar, .site-footer, .mobile-cta-bar, .hero { display: none; } }
  .ft-head-sub { font-family: var(--font-body); font-size: .45em; font-weight: 600; color: var(--muted); margin-left: .4em; letter-spacing: 0; }
  .ft-compare { margin-top: 14px; border: 1px dashed var(--line-strong); border-radius: 6px; padding: 12px 14px; }
  .ft-compare p { margin: 6px 0 0; font-size: 14px; line-height: 1.55; }
  .ft-chips a[aria-current="page"] { background: var(--blue); border-color: var(--blue); color: #FFFFFF; }
  .ft-hero .breadcrumbs { display: block; margin-bottom: 1rem; }
  .ft-back { text-align: center; margin: 0; }
  .ft-back a { font-weight: 700; color: var(--blue); }
  @media (min-width: 761px) { .ft-chips { flex-wrap: wrap; overflow: visible; } }
  .ft-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-top: 14px; }
  .ft-col { border: 1px solid var(--card-line); border-radius: 6px; padding: 12px; }
  .ft-col .ft-grid { grid-template-columns: 1fr 1fr; }
  .ft-coltitle { display: block; font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; margin-bottom: 8px; color: var(--white); }
  .ft-colnote { margin: 8px 0 0; font-size: 13px; color: var(--muted); }
  .ft-marks { margin-top: 14px; }
  .ft-marks ol { list-style: none; margin: 6px 0 0; padding: 0; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
  .ft-marks li { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 14px; align-items: baseline; padding: 9px 12px; font-size: 14px; }
  .ft-marks li + li { border-top: 1px solid var(--rule); }
  .ft-marks li:nth-child(odd) { background: #F7F8FA; }
  .ft-marks b { font-variant-numeric: tabular-nums; }
  .ft-marks em { font-style: normal; color: var(--muted); font-size: 13px; min-width: 7.5em; text-align: right; }
  @media (max-width: 520px) { .ft-marks li { grid-template-columns: minmax(0, 1fr) auto; } .ft-marks em { grid-column: 1 / -1; text-align: left; } }
  .ft-ex { margin-top: 1rem; border-top: 1px solid var(--rule); padding-top: .7rem; }
  .ft-ex summary { cursor: pointer; font-weight: 700; font-size: 14px; color: var(--blue); min-height: 32px; display: flex; align-items: center; }
  .ft-ex ul { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: 8px; }
  .ft-ex li { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 6px; background: #F7F8FA; }
  .ft-ex li div { display: flex; flex-direction: column; gap: 2px; font-size: 14px; line-height: 1.4; min-width: 0; }
  .ft-ex li b { font-size: 14.5px; color: var(--navy, #0B1E3D); }
  .ft-ex .ft-ex-ans { color: var(--blue); font-weight: 600; }
  .ft-ex-btn { flex: none; font: inherit; font-weight: 700; font-size: 13px; color: #fff; background: var(--blue); border: 0; border-radius: 4px; padding: 8px 14px; min-height: 36px; cursor: pointer; }
  .ft-ex-btn:hover { filter: brightness(.92); }