:root{--ink:#071a36;--blue:#1769e0;--paper:#fff8ec;--line:rgba(7,26,54,.10);--muted:#5f7188}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fbfcfe}
a{color:inherit}.seo-shell{width:min(1120px,calc(100% - 32px));margin:auto}
.seo-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:26px;padding:14px max(16px,calc((100vw - 1120px)/2));background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.seo-brand{text-decoration:none;font-size:.84rem;letter-spacing:.08em}.seo-brand b{color:var(--blue)}
.seo-header nav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}.seo-header nav::-webkit-scrollbar{display:none}.seo-header nav a{white-space:nowrap;text-decoration:none;padding:8px 11px;border-radius:999px;font-size:.72rem;font-weight:750;color:#53677f}.seo-header nav a.active{background:#eaf2ff;color:#0c5aba}
.seo-hero{padding:84px 0 72px;background:radial-gradient(circle at 80% 20%,rgba(242,170,36,.16),transparent 28rem),linear-gradient(145deg,#061a38,#0a2e61 62%,#0d4d78);color:#fff}
.seo-hero span{font-size:.72rem;font-weight:900;letter-spacing:.15em;color:#ffd370}.seo-hero h1{max-width:860px;margin:16px 0 18px;font-size:clamp(2.7rem,7vw,5.5rem);line-height:.94;letter-spacing:-.05em}.seo-hero p{max-width:760px;margin:0;color:#dce8f5;font-size:1.04rem;line-height:1.7}
.seo-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.seo-hero-actions a{text-decoration:none;padding:12px 16px;border-radius:999px;background:#fff;color:#0b4d9f;font-size:.78rem;font-weight:850}.seo-hero-actions a+ a{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.22)}
.seo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding-top:44px;padding-bottom:44px}.seo-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 14px 36px rgba(7,26,54,.06)}.seo-card-image{display:block;height:250px;overflow:hidden}.seo-card-image img{width:100%;height:100%;object-fit:cover;display:block}.seo-card-body{padding:24px}.seo-card-body>span{font-size:.68rem;font-weight:900;letter-spacing:.09em;color:var(--blue);text-transform:uppercase}.seo-card h2{margin:10px 0 12px;font-size:1.35rem;line-height:1.2}.seo-card p{margin:0;color:var(--muted);line-height:1.62;font-size:.92rem}.seo-card-body>a{display:inline-block;margin-top:18px;color:#0d5db9;font-size:.78rem;font-weight:850;text-decoration:none}
.seo-empty{grid-column:1/-1;padding:28px;border-radius:22px;background:#fff;border:1px solid var(--line);color:var(--muted)}
.seo-related{padding-top:16px;padding-bottom:54px}.seo-related h2{font-size:1.25rem}.seo-related>div{display:flex;gap:8px;flex-wrap:wrap}.seo-related a{text-decoration:none;padding:10px 12px;border-radius:999px;background:#eef4fb;color:#31506f;font-size:.76rem;font-weight:800}.seo-related a.active{background:#dce9fb;color:#0d5db9}
footer{padding:32px 0;background:#061a38;color:#fff}footer p{margin:7px 0 0;color:#c7d3e1;font-size:.82rem;line-height:1.5}
@media(max-width:720px){.seo-header{display:block}.seo-header nav{margin-top:10px}.seo-hero{padding:64px 0 54px}.seo-grid{grid-template-columns:1fr}.seo-card-image{height:220px}}