/*
 * 指引原文页（/guidelines，scripts/build-guidelines.mjs 写的静态页）的样式，都在 main.gl 下面。
 * 颜色和字体用全站 .zn-site 的变量（src/site/site.css）；页头的高度由 App.css 的 .app main 让出。
 */
.gl { background: var(--paper, #fff); color: var(--ink, #1d1f20); font-family: var(--font, 'Inter', system-ui, sans-serif); }
.gl .gl-wrap { max-width: 860px; margin: 0 auto; padding: 32px 24px 72px; }
.gl h1 { font-size: 32px; line-height: 1.2; font-weight: 700; margin: 12px 0 20px; letter-spacing: -0.01em; }
.gl h2 { font-size: 20px; line-height: 1.3; font-weight: 600; margin: 36px 0 12px; }
.gl a { color: var(--blue, #266df0); text-decoration: none; }
.gl a:hover { text-decoration: underline; }
.gl p { margin: 0 0 12px; line-height: 1.65; font-size: 16px; }

.gl-crumbs ol { display: flex; flex-wrap: wrap; gap: 4px 8px; list-style: none; margin: 0; padding: 0; font-size: 14px; color: var(--muted, #6b7480); }
.gl-crumbs li + li::before { content: '›'; margin-right: 8px; color: var(--line, #d3d5d9); }
.gl-crumbs a { color: var(--grey, #555e67); }

.gl-lede { font-size: 18px; color: var(--grey, #555e67); }
.gl-meta { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0 0 20px; padding: 16px 20px; background: var(--mist, #f4f5f6); border-radius: 12px; font-size: 14px; }
.gl-meta > div { display: contents; }
.gl-meta dt { color: var(--muted, #6b7480); }
.gl-meta dd { margin: 0; }

.gl-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 28px; }
.gl-btn { display: inline-block; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line, #d3d5d9); font-size: 15px; font-weight: 600; color: var(--ink, #1d1f20) !important; }
.gl-btn--primary { background: var(--blue, #266df0); border-color: var(--blue, #266df0); color: #fff !important; }
.gl-btn:hover { text-decoration: none !important; filter: brightness(0.96); }

.gl-text { border-top: 1px solid var(--line, #d3d5d9); }
.gl-pg { padding: 20px 0 8px; border-bottom: 1px dashed var(--line, #d3d5d9); scroll-margin-top: 96px; }
.gl-pg:target { background: #fff9e6; }
.gl-pno { font-size: 12px !important; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted, #6b7480); }
.gl-part { margin-top: 40px; }

.gl-excerpt { margin: 8px 0 20px; }
.gl-excerpt blockquote { margin: 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--blue, #266df0); font-size: 17px; }
.gl-excerpt figcaption { font-size: 13px; color: var(--muted, #6b7480); padding-left: 21px; }
.gl-note { color: var(--grey, #555e67); }
.gl-subs { margin: 0; padding-left: 20px; line-height: 1.7; }
.gl-pages span { display: block; height: 0; overflow: hidden; scroll-margin-top: 96px; }

.gl-children ul, .gl-toc ul { list-style: none; margin: 0; padding: 0; }
.gl-children li, .gl-toc li { margin: 6px 0; line-height: 1.45; }
.gl-toc ul ul { padding-left: 22px; border-left: 1px solid var(--mist, #f4f5f6); }
.gl-num { display: inline-block; min-width: 4.5em; color: var(--muted, #6b7480); font-variant-numeric: tabular-nums; }

.gl-prevnext { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line, #d3d5d9); font-size: 14px; }
.gl-prevnext a { max-width: 48%; }
.gl-prevnext a span { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted, #6b7480); }
.gl-prevnext a[rel='next'] { text-align: right; margin-left: auto; }

.gl-cards { list-style: none; margin: 24px 0; padding: 0; display: grid; gap: 12px; }
.gl-card a { display: block; padding: 18px 20px; border: 1px solid var(--line, #d3d5d9); border-radius: 14px; color: var(--ink, #1d1f20); }
.gl-card a:hover { border-color: var(--blue, #266df0); text-decoration: none; }
.gl-card-t { display: block; font-weight: 600; font-size: 17px; }
.gl-card-m { display: block; font-size: 14px; color: var(--muted, #6b7480); margin-top: 4px; }

.gl-retired { margin-top: 32px; font-size: 14px; }
.gl-disclaimer { margin-top: 40px !important; font-size: 13px !important; color: var(--muted, #6b7480); }

@media (max-width: 767px) {
  .gl .gl-wrap { padding: 20px 16px 56px; }
  .gl h1 { font-size: 24px; }
  .gl-meta { grid-template-columns: 1fr; }
  .gl-meta dt { margin-top: 6px; }
}