.seo-shell { max-width: 1120px; margin: 0 auto; padding: 48px 24px 80px; color: #16181d; font: 16px/1.75 system-ui, sans-serif; }
.seo-shell header { margin-bottom: 36px; }
.seo-shell h1 { max-width: 820px; margin: 8px 0 16px; font-size: clamp(32px, 6vw, 64px); line-height: 1.12; }
.seo-shell h2 { margin-top: 38px; font-size: 24px; }
.seo-shell a { color: #3157d5; text-underline-offset: 3px; }
.seo-kicker { color: #3157d5; font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.seo-summary { max-width: 760px; font-size: 19px; }
.seo-body { max-width: 780px; margin: 28px 0; white-space: pre-wrap; }
.seo-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.seo-list article { min-width: 0; padding: 18px; border: 1px solid #e3e5ea; border-radius: 16px; }
.seo-list article h2 { margin: 12px 0 8px; font-size: 19px; }
.seo-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin: 28px 0; }
.seo-shell figure { margin: 0; }
.seo-shell img { display: block; width: 100%; height: auto; border-radius: 12px; }
.seo-shell figcaption { margin-top: 8px; color: #656b76; font-size: 14px; }
.seo-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; font-size: 14px; }
.seo-breadcrumbs li + li::before { content: '/'; margin-right: 8px; color: #9096a1; }
.seo-empty { color: #656b76; }
.seo-pagination { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 36px; }
.seo-pagination a { display: inline-flex; min-height: 44px; align-items: center; padding: 0 16px; border: 1px solid currentColor; border-radius: 999px; }
@media (prefers-color-scheme: dark) { .seo-shell { color: #f3f4f6; } .seo-list article { border-color: #333842; } .seo-shell a { color: #8da6ff; } }