/* Content pages reuse the original theme, controls, backgrounds and font. */
.content-page { padding-block: 48px 70px; max-width: 960px; }
.content-page h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.15; margin: 20px 0; }
.content-page .lead { color: var(--text-secondary); font-size: 1.05rem; max-width: 760px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--text-secondary); font-size: .8rem; }
.breadcrumbs a, .article-section a, .content-page .lead a { text-decoration-color: var(--orange); text-underline-offset: 4px; }
.article-section { margin-top: 36px; padding: 26px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.article-section h2 { margin: 0 0 16px; font-size: 1.4rem; letter-spacing: -.03em; }
.article-section h3 { margin-top: 24px; font-size: 1.05rem; }
.article-section p, .article-section li { color: #b8b8bd; line-height: 1.8; }
.article-section li + li { margin-top: 8px; }
.article-section code { color: var(--text); overflow-wrap: anywhere; }
.article-section a:hover, .breadcrumbs a:hover { color: var(--orange-hover); }
.content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.content-card { display: block; padding: 20px; background: var(--surface-light); border: 1px solid var(--border); border-radius: 10px; text-decoration: none; transition: border-color var(--fast) var(--ease), transform var(--fast) var(--ease); }
.content-card:hover { border-color: var(--orange); transform: translateY(-2px); }
.content-card h3 { margin: 6px 0 9px; color: var(--text); }
.content-card p { margin: 0; font-size: .9rem; }
.guide-badge { color: var(--orange-hover); font-size: .75rem; }
.content-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.content-page .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  color: #d1d1d5;
  font-size: .8125rem;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
}
.content-page .secondary-button:hover:not(:disabled) { color: var(--text); }
.contents { display: flex; flex-wrap: wrap; gap: 9px 20px; padding: 0; list-style: none; }
.tutorial-figure { margin: 24px 0 0; }
.tutorial-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: 10px; }
.tutorial-figure figcaption { color: var(--text-secondary); font-size: .8rem; margin-top: 10px; }
.faq-search, .appid-extractor { display: grid; gap: 12px; margin-top: 24px; }
.content-input { min-width: 0; width: 100%; height: 48px; padding: 12px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 8px; color: var(--text); }
.faq-question { border-top: 1px solid var(--border); padding: 14px 0; }
.faq-question summary { cursor: pointer; font-weight: 600; padding: 5px 0; }
.faq-question p { margin-bottom: 0; }
.faq-question summary { position: relative; padding-right: 40px; }
.faq-permalink { position: absolute; right: 0; top: 0; display: inline-flex; align-items: center; justify-content: center; min-width: 36px; min-height: 36px; color: var(--text-secondary); text-decoration: none; font-weight: 500; }
.faq-answer { padding: 0 4px 8px; }
.faq-answer > p + p, .faq-answer > p + ol, .faq-answer > p + ul { margin-top: 14px; }
.faq-answer pre { max-width: 100%; overflow-x: auto; padding: 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--background); white-space: pre-wrap; overflow-wrap: anywhere; }
.faq-note { border-left: 2px solid var(--orange); padding: 8px 14px; background: var(--surface-light); }
.faq-note strong { color: var(--text); }
.faq-group, .faq-question { scroll-margin-top: 105px; }
.faq-question:target { border-top-color: var(--orange); }
@media (prefers-reduced-motion: no-preference) {
  .faq-question[open] .faq-answer { animation: faqAnswerIn 160ms var(--ease); }
  @keyframes faqAnswerIn { from { opacity: 0; transform: translateY(-2px); } to { opacity: 1; transform: translateY(0); } }
}
.content-page :focus-visible { outline: 2px solid var(--orange); outline-offset: 4px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.footer-inner { gap: 18px; flex-wrap: wrap; }
.ad-slot:not([hidden]) { min-height: 280px; margin: 36px auto; max-width: 960px; padding: 20px; }
.ad-slot > span { display: block; color: var(--text-secondary); font-size: .75rem; }
.adsbygoogle { display: block; }
/* The original mobile CSS hides all navigation. Keep the three requested links accessible. */
@media (max-width: 680px) {
  .header-inner { grid-template-columns: minmax(0, 1fr) auto; gap: 6px 12px; padding-block: 8px; }
  .primary-nav { display: flex; grid-row: 2; grid-column: 1 / -1; justify-content: center; gap: 30px; }
  .primary-nav a { padding-block: 8px; }
  .content-grid { grid-template-columns: 1fr; }
  .content-page { padding-top: 28px; }
  .article-section { padding: 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { .content-card { transition: none; } }