.seo-section{max-width:1200px;margin:96px auto;padding:0 20px}.seo-header{max-width:720px;margin-bottom:48px}.seo-header h2{font-size:2rem;margin-bottom:12px;color:#0b1f33}.seo-header p{font-size:1rem;line-height:1.7;color:#5a6b7b}.seo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}.seo-card{background:#ffffff;border:1px solid #e5e9ef;border-radius:18px;padding:32px;box-shadow:0 8px 24px rgba(0,0,0,.04)}.seo-card h3{font-size:1.15rem;margin-bottom:14px;color:#0b1f33}.seo-card p{font-size:.95rem;line-height:1.65;color:#4a5568}.seo-card ul{padding-left:18px;margin-top:8px}.seo-card ul li{margin-bottom:8px;font-size:.95rem;color:#4a5568}.seo-faq li{margin-bottom:14px}.seo-card-highlight{background:linear-gradient(180deg,#f8fbff,#ffffff);border-color:#d6e4ff}.seo-card-trust blockquote{font-style:italic;color:#2d3748;margin-bottom:16px}.seo-card-trust span{display:block;margin-top:6px;font-size:.85rem;color:#718096}@media (max-width:768px){.seo-header h2{font-size:1.6rem}.seo-grid{grid-template-columns:1fr;gap:24px}.seo-card{padding:24px}}