/* 沿用全站 step、btn、hint、calc-table，只補排列與列印範圍。 */
.zz-guide > .step { margin-bottom: 28px; }
.zz-nav { gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.zz-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 14px; }
.zz-fields label { min-width: 0; }
.zz-fields input { display: block; width: 100%; min-width: 0; box-sizing: border-box; }
.zz-table-wrap { overflow-x: auto; }
.zz-guide .calc-table { width: 100%; }
.zz-row { display: flex; align-items: start; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.zz-item-label { display: flex; flex: 1; align-items: start; gap: 12px; min-width: 0; cursor: pointer; }
.zz-item-label input { width: 20px; height: 20px; flex: none; margin-top: 4px; }
.zz-item-label > span { min-width: 0; }
.zz-meaning, .zz-safety { display: block; margin-top: 4px; }
.zz-custom-form { margin: 24px 0 12px; }
.zz-source { overflow-wrap: anywhere; }
.zz-row .btn { flex: none; }
.zz-guide [id] { scroll-margin-top: 20px; }
@media (max-width: 480px) { .zz-fields { grid-template-columns: minmax(0, 1fr); } .zz-guide .calc-table th, .zz-guide .calc-table td { padding: 8px 5px; font-size: 14px; } }
@media print {
  body > *:not(main), main > *:not(.zz-guide), .zz-guide > *:not(#zz-checklist), #zz-checklist > *:not(h2):not(.zz-list):not(.zz-source):not(.tool-note-hi) { display: none !important; }
  #zz-checklist .zz-row:not(.zz-selected), #zz-checklist .zz-row button { display: none !important; }
  .zz-guide, #zz-checklist { border: 0; box-shadow: none; padding: 0; margin: 0; }
  .zz-row { break-inside: avoid; }
  .zz-item-label input { display: none; }
  .zz-source a { color: inherit; text-decoration: none; }
}