.cluster{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}
.cl{background:var(--tint);border:1px solid var(--hairline);border-radius:12px;padding:20px 22px;display:flex;gap:16px;align-items:baseline}
.cl .no{font-family:ui-monospace,"JetBrains Mono",monospace;font-size:12px;color:var(--magenta);font-weight:600;flex-shrink:0}
.cl h3{margin:0 0 6px;font-size:15px;color:var(--navy)}
.cl p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.55}
.item{border-top:1px solid var(--hairline);padding:26px 0}
.item:last-child{border-bottom:1px solid var(--hairline)}
.item h3{margin:0 0 12px;font-size:21px;line-height:1.3;color:var(--navy);letter-spacing:-.01em}
.item p{margin:0 0 12px}
.byline{font-size:13px;color:var(--muted);font-style:italic;margin:0}
.sub{font-size:16px;color:var(--muted);line-height:1.7;margin:0 0 8px}
@media (max-width:980px){.cluster{grid-template-columns:1fr}}
.navgroup{position:relative;display:inline-flex}
.navgroup>a{display:inline-flex;align-items:center;gap:5px}
.navgroup>a::before{content:"";position:absolute;left:0;right:0;top:100%;height:10px}
.subnav{position:absolute;top:calc(100% + 10px);left:0;min-width:250px;background:#fff;border:1px solid var(--hairline);border-radius:10px;box-shadow:0 10px 28px rgba(33,38,78,.13);padding:8px;display:none;flex-direction:column;gap:1px;z-index:60}
.navgroup:hover .subnav,.navgroup:focus-within .subnav{display:flex}
.subnav a{display:block;font-size:13.5px;font-weight:500;color:var(--ink);padding:9px 12px;border-radius:7px;white-space:nowrap;text-decoration:none}
.subnav a:hover{background:#F1F2F6;color:var(--magenta)}
.subnav a.sub{padding-left:26px;font-size:13px;color:var(--muted);position:relative}
.subnav a.sub::before{content:"";position:absolute;left:14px;top:50%;width:6px;height:1px;background:#C9CDDB}
.subnav a.sub:hover{color:var(--magenta)}
.subnav a.sub:hover::before{background:var(--magenta)}
.navgroup .caret{width:9px;height:9px;flex:0 0 auto;opacity:.5;transition:transform .15s}
.navgroup:hover .caret{transform:rotate(180deg);opacity:.9}
@media (max-width:900px){.navgroup{display:block;width:100%}.navgroup>a{width:100%;justify-content:space-between}.subnav{position:static;display:flex;box-shadow:none;border:0;border-left:1px solid var(--hairline);border-radius:0;padding:2px 0 6px 12px;margin:0 0 4px 13px;min-width:0}.navgroup .caret{display:inline-block;opacity:.6}}