/* 教程专用布局：沿用官网色彩变量，不影响现有页面。 */
.guide-page { --guide-accent: var(--cyan); overflow-x: visible; }
.guide-page.halloween { --guide-accent: #f6c453; }
.guide-page a { color: var(--guide-accent); text-underline-offset: .25em; }
.guide-page a:hover { text-decoration-thickness: 2px; }
.guide-page :focus-visible { outline: 3px solid var(--guide-accent); outline-offset: 5px; }
.guide-skip { position: absolute; top: -6rem; left: 1rem; z-index: 20; padding: 1rem; background: var(--bg-soft); }
.guide-skip:focus { top: 1rem; }
.guide-header { border-bottom: 1px solid var(--card-border); background: var(--bg-soft); }
.guide-header-inner { max-width: 1160px; margin: auto; padding: 1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.guide-brand { display: inline-flex; align-items: center; gap: .75rem; font-weight: 800; font-size: 1.25rem; color: var(--text) !important; text-decoration: none; }
.guide-brand img { width: 32px; height: 32px; }
.guide-header nav { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.guide-header nav a { padding: .5rem 0; font-size: .875rem; }
.guide-shell { max-width: 1160px; margin: auto; padding: 3rem 1.5rem 4rem; }
.guide-kicker { color: var(--guide-accent); font-size: .8125rem; letter-spacing: .08em; font-weight: 700; margin-bottom: 1rem; }
.guide-hero { max-width: 860px; margin-bottom: 2.5rem; }
.guide-hero h1 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.18; letter-spacing: -.025em; margin-bottom: 1.5rem; overflow-wrap: break-word; }
.guide-lead { font-size: 1.125rem; color: var(--text-dim); max-width: 760px; }
.guide-meta { color: var(--text-dim); font-size: .875rem; margin-top: 1rem; }
.guide-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 1rem; }
.guide-page .guide-button { display: inline-flex; align-items: center; justify-content: center; padding: .875rem 1.25rem; min-height: 48px; border: 1px solid var(--guide-accent); border-radius: .5rem; color: var(--bg); background: var(--guide-accent); font-weight: 700; text-decoration: none; }
.guide-page .guide-button.secondary { background: transparent; color: var(--text); border-color: var(--text-dim); }
.guide-button:hover { filter: brightness(1.08); }
.guide-layout { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 4rem; align-items: start; }
.guide-toc { grid-column: 2; grid-row: 1; position: sticky; top: 2rem; border-left: 1px solid var(--card-border); padding-left: 1.5rem; }
.guide-toc p { font-weight: 700; margin-bottom: .75rem; }
.guide-toc a { display: block; padding: .5rem 0; font-size: .875rem; }
.guide-article { grid-column: 1; grid-row: 1; min-width: 0; }
.guide-article section { margin-bottom: 3rem; scroll-margin-top: 1.5rem; }
.guide-article h2 { font-size: 1.625rem; line-height: 1.35; margin-bottom: 1rem; }
.guide-article h3 { font-size: 1.125rem; line-height: 1.5; margin: 1.5rem 0 .5rem; }
.guide-article p, .guide-article li, .guide-article dd { color: var(--text-dim); line-height: 1.85; }
.guide-article p { margin: .75rem 0; }
.guide-article strong { color: var(--text); }
.guide-article ul, .guide-article ol { padding-left: 1.5rem; }
.guide-article li { padding-left: .25rem; margin: .75rem 0; }
.guide-article li::marker { color: var(--guide-accent); font-weight: 700; }
.guide-article video { display: block; width: 100%; aspect-ratio: 16 / 9; background: var(--bg-soft); border: 1px solid var(--card-border); border-radius: .75rem; }
.guide-article figcaption { font-size: .875rem; line-height: 1.7; color: var(--text-dim); margin-top: .75rem; }
.guide-note { padding: 1rem 1.25rem; border-left: 3px solid var(--guide-accent); background: var(--bg-soft); margin: 1.5rem 0; }
.guide-note p:first-child { margin-top: 0; }
.guide-note p:last-child { margin-bottom: 0; }
.guide-flow { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; color: var(--text-dim); margin: 1.5rem 0; }
.guide-flow span { padding: .5rem .75rem; border: 1px solid var(--card-border); border-radius: .25rem; color: var(--text); }
.guide-specs { display: grid; grid-template-columns: 140px minmax(0, 1fr); margin-top: 1rem; }
.guide-specs dt, .guide-specs dd { border-bottom: 1px solid var(--card-border); padding: 1rem 0; }
.guide-specs dt { font-weight: 700; padding-right: 1rem; }
.guide-plans { margin: 1rem 0; }
.guide-plans dt { font-weight: 700; color: var(--guide-accent); padding-top: 1rem; }
.guide-plans dd { border-bottom: 1px solid var(--card-border); padding: .5rem 0 1rem; }
.guide-download { padding: 1.5rem; border: 1px solid var(--card-border); border-radius: .75rem; background: var(--bg-soft); }
.guide-related { padding-top: 1.5rem; border-top: 1px solid var(--card-border); }
.guide-footer { border-top: 1px solid var(--card-border); padding: 2rem 1.5rem; color: var(--text-dim); font-size: .875rem; }
.guide-footer-inner { max-width: 1112px; margin: auto; display: flex; flex-wrap: wrap; gap: 1rem 2rem; }
@media (max-width: 900px) {
  .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .guide-toc { position: static; grid-column: 1; grid-row: 1; padding: 1rem; border: 1px solid var(--card-border); border-radius: .5rem; }
  .guide-toc a { display: inline-block; margin-right: 1rem; }
  .guide-article { grid-column: 1; grid-row: 2; }
}
@media (max-width: 480px) {
  .guide-shell { padding: 2rem 1rem 3rem; }
  .guide-header-inner { padding: 1rem; }
  .guide-header nav { gap: .5rem 1rem; }
  .guide-actions { flex-direction: column; align-items: stretch; }
  .guide-specs { grid-template-columns: minmax(0, 1fr); }
  .guide-specs dt { border-bottom: 0; padding-bottom: 0; }
  .guide-specs dd { padding-top: .25rem; }
  .guide-download { padding: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}