.af-content-rail{display:none}@media (min-width:1280px){.af-content-rail{z-index:3;width:190px;max-height:calc(100vh - 220px);display:block;position:fixed;top:190px;left:max(26px,50% - 620px);overflow-y:auto}.af-reading-railway{position:relative}.af-reading-railway .af-content-rail-track{pointer-events:none;width:190px;margin:0;position:absolute;top:0;bottom:0;left:calc(50% + max(26px - 50vw,-620px))}.af-reading-railway .af-content-rail{pointer-events:auto;margin-top:94px;position:sticky;top:190px;left:auto}.af-content-rail ol{margin:16px 0 26px;padding:0 0 0 1.3em;list-style:none}.af-content-rail li{margin:0 0 13px}.af-content-rail li.is-sub{padding-left:12px}.af-content-rail a:not(.af-reading-footer-sky):not(.af-back){color:#f2ece68c;font:400 12px/1.6 var(--font-ui),sans-serif;text-decoration:none}.af-content-rail a[aria-current=location],.af-content-rail a:not(.af-back):hover{color:#f4b46a}.af-rail-collections{gap:0;margin:12px 0;display:grid}.af-content-rail .af-rail-collections a{align-items:center;min-height:44px;display:flex}}