header{flex-wrap:wrap}header nav{flex-wrap:wrap;gap:18px}.seo-page{max-width:960px;margin:auto;padding:48px 28px}.seo-back{font-size:11px;letter-spacing:1px;color:var(--cyan)}.seo-page h1{font-size:clamp(27px,4vw,40px);line-height:1.5;margin:20px 0}.seo-intro{font-size:14px;color:var(--muted);line-height:1.95;max-width:75ch}.seo-page>.primary{margin:12px 0 32px;flex:none}.seo-block{padding:24px;border:1px solid var(--line);background:var(--surface);border-radius:14px;margin:16px 0}.seo-block h2{font-size:19px;margin-bottom:12px}.seo-block p{font-size:14px;color:var(--muted);line-height:1.95;margin:0}@media(max-width:650px){.seo-page{padding:30px 20px}.seo-block{padding:20px}header nav{gap:14px;font-size:12px}}