.bt-catalog-standard { --catalog-rule: #d9dfdc; --catalog-accent: #21604d; letter-spacing: 0; }
.bt-catalog-path { font-size: 13px; line-height: 1.7; padding: 12px 0; border-block: 1px solid var(--catalog-rule); overflow-wrap: anywhere; }
.bt-catalog-path a { color: var(--catalog-accent); }
.bt-catalog-directory, .bt-catalog-index { border-bottom: 1px solid var(--catalog-rule); padding: 14px 0; margin: 0 0 16px; }
.bt-catalog-standard summary { cursor: pointer; font-weight: 700; }
.bt-catalog-standard summary span { font-weight: 400; }
.bt-catalog-directory ul, .bt-catalog-index ol { columns: 2; column-gap: 32px; padding-left: 22px; margin: 14px 0 0; }
.bt-catalog-directory li, .bt-catalog-index li { break-inside: avoid; padding: 5px 0; font-size: 14px; line-height: 1.5; }
.bt-catalog-standard h2 { font-size: 25px; line-height: 1.3; margin: 36px 0 16px; padding-top: 16px; border-top: 1px solid var(--catalog-rule); scroll-margin-top: 110px; }
.bt-catalog-standard h3 { font-size: 20px; line-height: 1.35; scroll-margin-top: 110px; }
.bt-catalog-standard img { max-width: 100%; height: auto; object-fit: contain; }
.bt-catalog-standard .bt-family-guide-grid { gap: 16px; }
.bt-catalog-standard .bt-family-guide-item { background: #fff; border: 1px solid var(--catalog-rule); border-radius: 6px; padding: 16px; }
.bt-catalog-standard .bt-family-guide-item h3 { margin: 12px 0 8px; font-size: 19px; }
.bt-catalog-standard .bt-family-guide-item img { display: block; width: 100%; height: 160px; object-fit: contain; background: #fff; }
.bt-catalog-standard .bt-family-guide-link { color: var(--catalog-accent); }
.bt-catalog-standard .bt-catalog-table { display: block; max-width: 100%; overflow-x: auto; margin: 20px 0; border: 1px solid var(--catalog-rule); }
.bt-catalog-standard table { border-collapse: collapse; width: 100%; margin: 0; font-size: 14px; line-height: 1.5; }
.bt-catalog-standard th { background: #edf3f0; color: #182b24; text-align: left; }
.bt-catalog-standard th, .bt-catalog-standard td { padding: 12px; border: 0; border-bottom: 1px solid var(--catalog-rule); vertical-align: top; }
.bt-catalog-standard tbody tr:nth-child(even) { background: #f8faf9; }
.bt-catalog-standard :is(a,summary,[tabindex]):focus-visible { outline: 3px solid #21604d; outline-offset: 3px; }
@media(max-width:680px) {
  .bt-catalog-directory ul, .bt-catalog-index ol { columns: 1; }
  .bt-catalog-standard h2 { font-size: 22px; }
  .bt-catalog-standard .bt-family-guide-grid { grid-template-columns: minmax(0,1fr); }
  .bt-catalog-standard td, .bt-catalog-standard th { padding: 10px; min-width: 90px; }
}