.u-layout{grid-template-columns:clamp(200px,19vw,248px) minmax(0,1fr);align-items:start;gap:clamp(32px,4vw,64px);display:grid}.u-rail{top:calc(var(--nav-h) + 28px);max-height:calc(100vh - var(--nav-h) - 56px);scrollbar-width:thin;gap:14px;min-width:0;margin-top:clamp(40px,5vw,64px);display:grid;position:sticky;overflow-y:auto}.u-rail__eyebrow{color:var(--muted);font:600 10.5px/1.2 var(--font-label);letter-spacing:.2em;text-transform:uppercase;margin:0}.u-rail__list{border-inline-start:1px solid var(--border);margin:0;padding:0;list-style:none;display:grid}.u-rail__list a{border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--foreground-muted);transition:color var(--transition-fast), background-color var(--transition-fast);align-items:flex-start;gap:11px;padding:9px 12px 9px 16px;display:flex;position:relative}.u-rail__list a:hover{color:var(--foreground);background:var(--surface-hover)}.u-rail__list a:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}.u-rail__list a[aria-current=true]{color:var(--foreground);background:var(--gold-dim)}.u-rail__list a[aria-current=true]:before{content:"";background:var(--gold);width:2px;position:absolute;inset-block:6px;inset-inline-start:-1px}.u-rail__list a[aria-current=true] .u-rail__label{font-weight:600}.u-rail__num{min-width:20px;color:var(--gold);font:500 12px/1.3 var(--font-label);letter-spacing:.04em;flex:none;padding-top:1px}.u-rail__mark{width:22px;height:22px;color:var(--gold);flex:none;place-items:center;display:grid}.u-rail__mark .glyph{width:19px;height:19px}.u-rail__text{gap:2px;min-width:0;display:grid}.u-rail__label{font:500 14px/1.35 var(--font-label)}.u-rail__sub{color:var(--muted);font-size:12.5px;line-height:1.4}.u-rail__foot{margin-top:10px}@media (width<=1100px){.u-layout{grid-template-columns:minmax(0,1fr);gap:0}.u-rail{top:var(--nav-h);z-index:20;max-height:none;margin:0 calc(var(--home-gutter) * -1);padding:0 var(--home-gutter);border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--background) 92%, transparent);backdrop-filter:blur(10px);display:block;overflow:visible}.u-rail__eyebrow,.u-rail__sub,.u-rail__mark,.u-rail__foot{display:none}.u-rail__list{scrollbar-width:none;overscroll-behavior-x:contain;border:0;gap:24px;display:flex;overflow-x:auto}.u-rail__list::-webkit-scrollbar{display:none}.u-rail__list li{flex:none}.u-rail__list a{white-space:nowrap;border-radius:0;align-items:baseline;gap:6px;padding:15px 0 14px}.u-rail__list a:hover,.u-rail__list a[aria-current=true]{background:0 0}.u-rail__list a[aria-current=true]:before{width:auto;height:2px;inset:auto 0 -1px}.u-rail__label{font-size:13.5px}.u-rail__num{min-width:0;font-size:11px}}