/* 用量試算頁 */
.calc-head{padding-top:48px;gap:16px}
.calc-head__lead{font-size:16px;line-height:1.8;color:var(--c-ink-2);max-width:560px}
.calc{padding-top:64px}
.calc .grid-12{align-items:start}

/* 輸入 */
.calc-form{border-top:1px solid var(--c-ink);padding-top:32px;display:flex;flex-direction:column;gap:48px}
.calc-field{display:flex;flex-direction:column;gap:16px;border:0;margin:0;padding:0;min-width:0}
.calc-field[hidden]{display:none}
.calc-k{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-ink-2);padding:0;line-height:1.6}
fieldset.calc-field>legend{margin-bottom:16px}
.calc-seg{grid-auto-columns:minmax(0,1fr)}
.calc-seg .chip{padding:14px 8px;font-size:15px;border-radius:0}
.calc-select{font-size:18px;border-bottom-color:var(--c-ink);padding:8px 24px 12px 0}
.calc-hint{font-size:13px;line-height:1.6;color:var(--c-ink-2)}
.calc-hint.mono{font-size:11px}
.calc-inline{display:flex;align-items:baseline;gap:12px;border-bottom:1px solid var(--c-ink);padding-bottom:8px;width:200px}
.calc-small{width:100%;background:transparent;border:0;outline:0;font-family:var(--f-serif);font-size:32px;font-weight:500;color:var(--c-ink);padding:0;font-variant-numeric:tabular-nums}
.calc-unit{font-family:var(--f-mono);font-size:13px;color:var(--c-ink-2)}
.calc-unit--lg{font-size:16px}
.calc-area-head{display:flex;justify-content:space-between;align-items:baseline}
.calc-units{display:flex;gap:16px}
.calc-units button{background:none;border:0;border-bottom:1px solid transparent;padding:0 0 2px;font-family:var(--f-mono);font-size:11px;color:var(--c-ink-2)}
.calc-units button[aria-pressed="true"]{color:var(--c-ink);border-bottom-color:var(--c-ink)}
.calc-units button:hover{color:var(--c-ink)}
.calc-area{display:flex;align-items:baseline;gap:12px;border-bottom:1px solid var(--c-ink);padding-bottom:8px}
.calc-area:focus-within,.calc-inline:focus-within{border-bottom-color:var(--c-accent)}
.calc-area input{width:100%;min-width:0;background:transparent;border:0;outline:0;font-family:var(--f-serif);font-size:64px;font-weight:500;line-height:1.2;letter-spacing:-0.02em;color:var(--c-ink);padding:0;font-variant-numeric:tabular-nums;-moz-appearance:textfield}
.calc-area input::-webkit-inner-spin-button,.calc-area input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}

/* 估算單 */
.receipt{background:var(--c-receipt);border:1px solid var(--c-line);padding:48px 48px 40px;display:flex;flex-direction:column;gap:32px;min-width:0}
.receipt__head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:24px;border-bottom:1px solid var(--c-ink)}
.receipt__stack{gap:6px}
.receipt__title{font-family:var(--f-serif);font-size:24px;font-weight:600;line-height:1.4}
.receipt__summary{font-family:var(--f-mono);font-size:11px;line-height:1.6;color:var(--c-ink-2)}
.receipt__no{font-family:var(--f-mono);font-size:11px;line-height:1.8;color:var(--c-ink-2);text-align:right;white-space:nowrap}
.receipt__table{font-family:var(--f-mono);font-size:12px;font-variant-numeric:tabular-nums}
.receipt__row{display:grid;grid-template-columns:96px minmax(0,1fr) 72px 56px 96px;gap:12px;padding:14px 0;border-bottom:1px solid var(--c-line);align-items:baseline}
.is-price-hidden .receipt__row{grid-template-columns:96px minmax(0,1fr) 80px 64px}
.receipt__row--head{padding:0 0 10px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-ink-2)}
.receipt__row .r{text-align:right;white-space:nowrap}
.receipt__code{color:var(--c-accent);overflow-wrap:anywhere;line-height:1.5}
.receipt__name{font-family:var(--f-sans);font-size:14px;line-height:1.5}
.receipt__pack{font-family:var(--f-mono);font-size:10.5px;color:var(--c-ink-2);margin-left:8px;display:inline-block}
.receipt__empty{padding:24px 0;font-family:var(--f-sans);font-size:14px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line)}
.receipt__total{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding-top:8px;flex-wrap:wrap}
.receipt__fine{font-size:12px;line-height:1.6;color:var(--c-ink-2)}
.receipt__sum{display:flex;align-items:baseline;gap:8px}
.receipt__cur{font-family:var(--f-mono);font-size:14px;color:var(--c-ink-2)}
.receipt__n{font-family:var(--f-serif);font-size:56px;font-weight:500;line-height:1;letter-spacing:-0.02em;font-variant-numeric:tabular-nums}
.receipt__foot{border-top:1px dashed var(--c-line);padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:16px 24px;flex-wrap:wrap}
.receipt__foot>.receipt__fine{flex:1 1 200px}
.receipt__btns{display:flex;gap:12px;flex-wrap:wrap}
.receipt__copy{padding:13px 20px}
.receipt__status{flex-basis:100%;font-family:var(--f-mono);font-size:11px;color:var(--c-accent);min-height:1em;text-align:right}

@media (max-width:1100px){
  .calc .col-1-5{grid-column:1/span 6}
  .calc .col-7-6{grid-column:7/span 6}
  .receipt{padding:32px 28px}
  .receipt__row{grid-template-columns:minmax(0,1fr) 64px 48px 88px}
  .is-price-hidden .receipt__row{grid-template-columns:minmax(0,1fr) 72px 56px}
  .receipt__code{grid-column:1/-1;margin-bottom:-8px}
  .receipt__row--head span:first-child{display:none}
}
@media (max-width:960px){
  .calc .col-1-5,.calc .col-7-6{grid-column:1/-1}
  .receipt{margin-top:24px}
}
@media (max-width:767px){
  .calc-head{padding-top:32px;gap:12px}
  .calc-head__lead{font-size:15px}
  .calc{padding-top:40px}
  .calc-form{gap:36px;padding-top:24px}
  .calc-seg{grid-auto-flow:row;grid-template-columns:1fr 1fr}
  .calc-seg.calc-seg--3{grid-template-columns:repeat(3,1fr)}
  .calc-seg .chip{border-bottom:1px solid var(--c-ink)}
  .calc-seg .chip:nth-child(2n){border-right:0}
  .calc-seg .chip:nth-last-child(-n+2){border-bottom:0}
  .calc-seg--3 .chip{border-bottom:0}
  .calc-seg--3 .chip:nth-child(2n){border-right:1px solid var(--c-ink)}
  .calc-seg--3 .chip:last-child{border-right:0}
  .calc-select{font-size:17px}
  .calc-area input{font-size:48px}
  .receipt{padding:28px 20px;gap:24px}
  .receipt__head{flex-direction:column;gap:12px}
  .receipt__no{text-align:left}
  .receipt__row--head{display:none}
  .receipt__row{grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 12px}
  .is-price-hidden .receipt__row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .receipt__code{margin-bottom:0}
  .receipt__name{grid-column:1/-1;margin-bottom:4px}
  .receipt__row .r{text-align:left;color:var(--c-ink-2)}
  .receipt__row .r::before{content:attr(data-th) " ";font-size:10px;letter-spacing:.1em}
  .receipt__row .r:last-child{text-align:right;color:var(--c-ink)}
  .receipt__n{font-size:44px}
  .receipt__btns{flex-direction:column;width:100%}
  .receipt__btns .btn{width:100%}
  .receipt__status{text-align:left}
}