.seo-content{max-width:1200px;margin:auto;padding:32px 24px;font-family:system-ui;line-height:1.7}.seo-content nav{display:flex;gap:12px;flex-wrap:wrap}.seo-content a{color:inherit}.seo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.seo-card{border:1px solid #8885;border-radius:12px;overflow:hidden;padding:16px;text-decoration:none}.seo-card img,.seo-hero{width:100%;height:auto;object-fit:contain}.seo-hero{max-width:640px}.seo-preview{display:inline-block;padding:12px;border:1px solid;border-radius:8px}.seo-content section{margin-top:40px}.seo-content h2{font-size:1.2rem}