.container-seo{max-width:900px;margin:0 auto;padding:40px 20px;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.05);border-radius:8px}.container-seo h1{font-size:40px;font-weight:900;color:#1e3a8a;margin-bottom:20px;line-height:1.2}.container-seo h2{font-size:30px;font-weight:800;color:#1e40af;margin:40px 0 20px}.container-seo p{font-size:17px;line-height:1.8;color:#334155;margin-bottom:18px}.container-seo ul{margin-left:25px;margin-top:20px}.container-seo li{margin-bottom:10px;font-size:17px;line-height:1.6;color:#334155}.container-seo .featured-image-intro{max-width:100%;margin:30px 0 40px;border-radius:16px;overflow:hidden}.container-seo .featured-image-intro img{width:100%;height:420px;object-fit:cover;display:block}.breadcrumb{background:#fff;padding:15px 20px;border-bottom:2px solid #e2e8f0}.breadcrumb .container{max-width:900px;margin:0 auto;font-size:14px;color:#64748b}.breadcrumb a{color:#2563eb;text-decoration:none;font-weight:600}.breadcrumb a:hover{text-decoration:underline}.container{max-width:900px;margin:0 auto;padding:0 20px}