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.heading-anchor[data-copy-state=success]{opacity:1}.post-content[data-astro-cid-ruv7hgo6] .heading-anchor:focus-visible{outline:1px solid var(--foreground);outline-offset:.15rem}.post-content[data-astro-cid-ruv7hgo6] .katex-display{overscroll-behavior-inline:contain;max-width:100%;padding:.25rem 0;overflow:auto hidden}.post-rail[data-astro-cid-ruv7hgo6]{top:var(--site-header-clearance);grid-area:rail;align-self:start;position:sticky}.post-rail[data-astro-cid-ruv7hgo6] figure[data-astro-cid-ruv7hgo6]{margin:0 0 2rem}.post-rail[data-astro-cid-ruv7hgo6] .toc{font-size:var(--font-size-meta);margin:0}.post-rail[data-astro-cid-ruv7hgo6] .toc-title{color:var(--muted);margin-bottom:.55rem;font-weight:400}.post-rail[data-astro-cid-ruv7hgo6] .toc ol{margin:0;padding:0;list-style:none}.post-rail[data-astro-cid-ruv7hgo6] .toc li{margin:0 0 .35rem;line-height:1.35}.post-rail[data-astro-cid-ruv7hgo6] .toc-depth-3{margin-left:.7rem}.post-rail[data-astro-cid-ruv7hgo6] .toc-desktop 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.toc{border-top:0;padding:.25rem 0 .5rem}.post-content[data-astro-cid-ruv7hgo6] .diagram-viewport img{max-width:none;min-width:var(--content-width)}.post-title-composition[data-astro-cid-ruv7hgo6]{max-width:none;height:16rem}.post-title-low-shelf[data-astro-cid-ruv7hgo6]{height:auto}.post-title-gateway[data-astro-cid-ruv7hgo6]{height:20rem}.post-title-gateway[data-astro-cid-ruv7hgo6] .post-cover{width:62%}.post-title-city-rail[data-astro-cid-ruv7hgo6]{height:18rem}.post-title-city-rail[data-astro-cid-ruv7hgo6] .post-cover{width:58%}}@media (hover:none){.post-content[data-astro-cid-ruv7hgo6] .heading-anchor{opacity:.7}}@media (prefers-reduced-motion:reduce){.post-content[data-astro-cid-ruv7hgo6] .heading-anchor{transition-duration:0s}}