.cluster-hero{padding:64px 0 52px;background:linear-gradient(135deg,#f7faff,#eef5ff 62%,#fff)}
.cluster-narrow{max-width:980px}.cluster-hero h1{font-size:clamp(2.15rem,4vw,3.8rem);line-height:1.06;letter-spacing:-.04em;color:#10223d;margin:8px 0 18px}.cluster-hero>div>p{font-size:1.12rem;line-height:1.75;color:#4b5b72;max-width:850px}.cluster-meta{margin-top:20px;font-size:.82rem;font-weight:700;color:#66758a}.cluster-content{padding:68px 0}.cluster-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:52px;align-items:start}.cluster-main{max-width:850px}.cluster-block{padding:30px 0;border-bottom:1px solid #e1e8f0}.cluster-block h2{font-size:1.65rem;line-height:1.25;color:#142743;margin:0 0 12px}.cluster-block p{font-size:1.02rem;line-height:1.82;color:#4b586b;margin:0}.cluster-aside{position:sticky;top:92px;display:grid;gap:16px}.cluster-sidebox{border:1px solid #dbe4ef;border-radius:15px;padding:20px;background:#f8fbff}.cluster-sidebox strong{color:#142743}.cluster-sidebox p{font-size:.88rem;line-height:1.6;color:#66758a}.cluster-sidebox a{font-size:.86rem;font-weight:800;color:#073a83;text-decoration:none}.cluster-related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cluster-related-card{display:flex;flex-direction:column;justify-content:space-between;min-height:145px;padding:22px;border:1px solid #dbe4ef;border-radius:15px;background:#fff;text-decoration:none}.cluster-related-card strong{color:#142743;line-height:1.4}.cluster-related-card span{color:#073a83;font-size:.84rem;font-weight:800;margin-top:18px}@media(max-width:900px){.cluster-layout{grid-template-columns:1fr}.cluster-aside{position:static;grid-template-columns:1fr 1fr}.cluster-related{grid-template-columns:1fr 1fr}}@media(max-width:620px){.cluster-aside,.cluster-related{grid-template-columns:1fr}.cluster-hero{padding:44px 0 38px}.cluster-content{padding:48px 0}}