.seo-guide-page .inner-hero { min-height: 0; padding-bottom: 68px; }
.seo-guide-page .inner-hero h1 { max-width: 1000px; font-size: clamp(36px, 4.6vw, 68px); line-height: 1.12; }
.seo-guide-page .inner-hero .lead { color: #bdcbe0; }
.seo-guide-layout { display: grid; grid-template-columns: minmax(180px, 250px) minmax(0, 760px); gap: 64px; align-items: start; }
.seo-guide-toc { position: sticky; top: calc(var(--header-height) + 24px); display: grid; gap: 16px; padding-right: 24px; color: var(--muted); font-size: 14px; }
.seo-guide-toc a:hover { color: var(--blue); }
.seo-guide-content { min-width: 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.seo-guide-content h2 { margin: 44px 0 18px; color: var(--ink); font-size: clamp(26px, 3vw, 38px); line-height: 1.2; scroll-margin-top: calc(var(--header-height) + 24px); }
.seo-guide-content h3 { margin: 28px 0 12px; color: var(--ink); line-height: 1.3; }
.seo-guide-content p { margin: 0 0 22px; }
.seo-guide-content a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.seo-guide-content li { margin-bottom: 10px; }
.seo-guide-content section:first-child h2 { margin-top: 0; }
.seo-reading-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.seo-reading-link { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); font-size: 18px; font-weight: 600; }
.seo-reading-link > span:last-child { color: var(--blue); flex-shrink: 0; }
.seo-guide-meta { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 0 0 22px; color: var(--muted); font-size: 13px; }
.seo-guide-related { margin: 38px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.seo-guide-related h2 { margin-top: 0; font-size: 24px; }
@media (max-width: 820px) {
  .seo-guide-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .seo-guide-toc { position: static; padding: 0 0 24px; border-bottom: 1px solid var(--line); }
  .seo-reading-list { grid-template-columns: minmax(0, 1fr); }
  .seo-reading-link { font-size: 16px; }
}