/* 好算試算引擎：左邊填數字、右邊立刻出結果；手機上改成上下排 */
.hb-calc{--hb-card:#fff;--hb-ink:#1d2f48;--hb-muted:#5d6b7e;--hb-line:#d9dfe7;--hb-blue:#2c64a8;--hb-paper:#f4f6f9;--hb-amber-soft:#fbefd9;--hb-blue-soft:#e6eef8;
  background:var(--hb-card);color:var(--hb-ink);border:1px solid var(--hb-line);border-radius:14px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);margin-block:1.5rem;font-size:16px;line-height:1.7}
.hb-calc:not(.hb-ready){display:block;padding:20px;color:var(--hb-muted)}
.hb-calc .hb-in{padding:20px;display:grid;gap:14px;align-content:start;border-right:1px solid var(--hb-line)}
.hb-calc .hb-out{padding:20px;display:grid;gap:12px;align-content:start;min-width:0}
@media (max-width:640px){.hb-calc{grid-template-columns:1fr}.hb-calc .hb-in{border-right:0;border-bottom:1px solid var(--hb-line)}}
.hb-calc label{display:grid;gap:4px;font-size:15px;font-weight:500}
.hb-calc label small{color:var(--hb-muted);font-weight:400;font-size:13px}
.hb-calc .hb-field{display:flex;align-items:center;gap:8px}
.hb-calc .hb-unit{color:var(--hb-muted);font-size:14px;white-space:nowrap}
.hb-calc input,.hb-calc select{font:600 18px "IBM Plex Mono",ui-monospace,Menlo,monospace;color:var(--hb-ink);background:var(--hb-paper);border:1px solid var(--hb-line);border-radius:8px;padding:8px 10px;width:100%;box-sizing:border-box;min-width:0}
.hb-calc select{font-family:inherit;font-size:16px}
.hb-calc input:focus-visible,.hb-calc select:focus-visible{outline:2px solid var(--hb-blue);outline-offset:1px}
.hb-calc .hb-total{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.hb-calc .hb-k{font-size:14px;color:var(--hb-muted)}
.hb-calc .hb-v{font:600 clamp(30px,6vw,40px)/1.1 "IBM Plex Mono",ui-monospace,Menlo,monospace;color:var(--hb-blue)}
.hb-calc .hb-u{font-size:15px}
.hb-calc .hb-tags{display:flex;gap:6px;flex-wrap:wrap}
.hb-calc .hb-tag{font-size:13px;padding:1px 10px;border-radius:99px;background:var(--hb-blue-soft);color:var(--hb-blue);font-weight:500}
.hb-calc .hb-tbl{overflow-x:auto}
.hb-calc table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums;margin:0}
.hb-calc th,.hb-calc td{text-align:left;padding:7px 6px;border:0;border-bottom:1px solid var(--hb-line);white-space:nowrap}
.hb-calc th{color:var(--hb-muted);font-weight:500}
.hb-calc .hb-n{text-align:right;font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace}
.hb-calc tr.hb-hl td{background:var(--hb-amber-soft)}
.hb-calc .hb-notes{font-size:14px;background:var(--hb-amber-soft);border-radius:8px;padding:8px 12px}
.hb-calc .hb-notes[hidden]{display:none}
.hb-meta{font-size:14px;color:#5d6b7e}
.hb-download .wp-block-button__link{font-weight:700}