.guide-reading.wrap { max-width: 890px; }
.pcs-guide-heading { padding: 44px 0 48px; color: #fff; background: #171717; }
.pcs-guide-heading h1 { margin: 22px 0 0; font-size: 40px; line-height: 1.2; font-weight: 700; letter-spacing: 0; overflow-wrap: break-word; }
.guide-byline { margin: 18px 0 0; color: #ddd; font-size: 14px; line-height: 1.6; }
.guide-byline a { color: #edbd8c; }
.pcs-guide-summary { margin: 20px 0 0; color: #eee; font-size: 18px; line-height: 1.65; }
.guide-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 14px; line-height: 1.6; }
.guide-breadcrumb a { color: #edbd8c; text-decoration: none; }
.guide-breadcrumb a:hover { text-decoration: underline; }
.pcs-guide-content { padding: 40px 0 72px; background: #fff; }
.pcs-guide-figure { margin: 0 0 36px; }
.pcs-guide-cover { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; border-radius: 4px; }
.pcs-guide-figure figcaption { margin-top: 12px; font-size: 14px; line-height: 1.6; color: #595959; }
.pcs-research-guide { max-width: 64ch; margin-inline: auto; color: #222; font-size: 17px; line-height: 1.75; letter-spacing: 0; overflow-wrap: break-word; }
.pcs-guide-page .site-header .nav > a.btn { background: #895222; }
.pcs-research-guide p { margin: 0 0 22px; }
.pcs-research-guide h2, .pcs-guide-related h2 { margin: 46px 0 18px; font-size: 27px; line-height: 1.3; letter-spacing: 0; scroll-margin-top: 95px; }
.pcs-research-guide h3 { margin: 28px 0 12px; font-size: 20px; line-height: 1.4; letter-spacing: 0; }
.pcs-research-guide a, .pcs-guide-related a { color: #805020; text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.pcs-research-guide a:hover, .pcs-guide-related a:hover { color: #543210; }
.pcs-research-guide li, .pcs-guide-related li { margin-bottom: 9px; }
.pcs-research-guide .guide-meta { font-size: 14px; line-height: 1.6; color: #595959; }
.pcs-research-guide .answer-first { margin: 22px 0 28px; font-size: 20px; line-height: 1.65; color: #171717; }
.guide-toc { padding: 0 0 12px; margin: 0 0 30px; }
.guide-toc ol { columns: 2; padding-left: 22px; margin: 12px 0 0; font-size: 15px; line-height: 1.7; }
.guide-toc li { break-inside: avoid; }
.table-scroll { overflow-x: auto; max-width: 100%; margin: 24px 0 32px; }
.pcs-research-guide table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.6; min-width: 520px; }
.pcs-research-guide th, .pcs-research-guide td { padding: 13px; text-align: left; vertical-align: top; border: 1px solid #d6d6d6; }
.pcs-research-guide th { background: #f2f4f3; color: #222; }
.guide-scope, .guide-contact, .guide-references { margin-top: 32px; font-size: 15px; }
.pcs-guide-related { max-width: 64ch; margin-inline: auto; padding-top: 6px; font-size: 17px; line-height: 1.7; }
.pcs-guide-index { margin: 0 0 48px; }
.pcs-guide-index > h2 { margin: 0 0 16px; font-size: 28px; line-height: 1.3; }
.pcs-guide-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 24px; margin-top: 26px; }
.pcs-guide-cards article { min-width: 0; }
.pcs-guide-cards img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 4px; }
.pcs-guide-cards h3 { margin: 16px 0 10px; font-size: 20px; line-height: 1.4; overflow-wrap: break-word; }
.pcs-guide-cards p { margin: 0; font-size: 15px; line-height: 1.7; }
.pcs-guide-cards a { color: #222; text-decoration: none; }
.pcs-guide-cards a:hover h3 { color: #805020; text-decoration: underline; text-underline-offset: 3px; }
.pcs-guide-index a:focus-visible, #pcs-technical-guide a:focus-visible { outline: 2px solid #805020; outline-offset: 4px; }
@media (max-width: 800px) {
  .pcs-guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-toc ol { columns: 1; }
  .pcs-guide-heading h1 { font-size: 34px; }
  .pcs-research-guide h2, .pcs-guide-related h2 { font-size: 24px; }
}
@media (max-width: 520px) {
  .pcs-guide-heading { padding: 28px 0 32px; }
  .pcs-guide-heading h1 { font-size: 28px; line-height: 1.25; }
  .pcs-guide-content { padding: 24px 0 48px; }
  .pcs-guide-cards { grid-template-columns: 1fr; }
  .pcs-research-guide { font-size: 16px; }
  .pcs-research-guide .answer-first { font-size: 18px; }
  .pcs-research-guide h3 { font-size: 19px; }
  .pcs-research-guide table, .pcs-research-guide tbody, .pcs-research-guide tr, .pcs-research-guide td { display: block; width: 100%; min-width: 0; }
  .pcs-research-guide thead { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); }
  .pcs-research-guide tbody tr { padding: 18px 0; border-bottom: 1px solid #ccc; }
  .pcs-research-guide tbody tr:first-child { padding-top: 0; }
  .pcs-research-guide td { padding: 6px 0; border: 0; box-sizing: border-box; }
  .pcs-research-guide td::before { display: block; content: attr(data-label); margin-bottom: 3px; font-size: 14px; font-weight: 700; color: #5b5b5b; }
}