.title-accent{color:var(--accent)}.railway-header{padding:4px 0 20px}.railway-header h1{font-size:clamp(3.1rem,6vw,6.3rem);max-width:850px}.railway-header .intro{font-size:1.15rem;max-width:620px}.chapter-nav{border-block:1px solid var(--line);padding:24px 0 26px;margin:0 0 40px}.chapter-nav .eyebrow{margin-bottom:14px}.chapter-nav ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}.chapter-nav a{display:block;font-size:.81rem;text-decoration:none;line-height:1.6}.chapter-nav a:hover{text-decoration:underline}.railway-article{max-width:940px;font-family:Georgia,"Times New Roman",serif;font-size:1.12rem;line-height:1.85;color:#2e3833;overflow-wrap:break-word}.railway-article>p{max-width:780px;margin:0 0 1.3em}.railway-article h2{font-family:system-ui,sans-serif;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.35;margin:2.5em 0 1em;scroll-margin-top:30px;max-width:800px}.railway-article h3{font-family:system-ui,sans-serif;font-size:1.15rem;line-height:1.4;margin:1.8em 0 .8em;color:var(--ink)}.railway-article ul{max-width:780px;padding-left:1.3em;margin:1.2em 0 1.6em}.railway-article li{padding-left:.15em;margin-bottom:.5em}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:30px 0 34px;align-items:start}.gallery:has(>figure:only-child){grid-template-columns:minmax(0,1fr);max-width:780px}.gallery-three{grid-template-columns:repeat(3,minmax(0,1fr))}.gallery figure{margin:0;min-width:0}.gallery img{display:block;width:100%;height:auto;max-height:430px;object-fit:contain;background:#eeeee7;border:1px solid var(--line);border-radius:3px}.gallery-three img{height:190px;object-fit:contain}.gallery a{display:block}.gallery figcaption,.scale-comparison figcaption{font-family:system-ui,sans-serif;font-size:.71rem;color:var(--muted);line-height:1.6;margin-top:9px}.table-scroll{max-width:860px;overflow-x:auto;margin:28px 0 34px}table{border-collapse:collapse;width:100%;font-family:system-ui,sans-serif;font-size:.85rem;line-height:1.6}caption{text-align:left;font-weight:650;padding-bottom:12px;color:var(--ink)}th,td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}thead{background:#e7ecdf;color:var(--ink)}tbody tr:nth-child(even){background:#f0f0e8}th:first-child,td:first-child{white-space:nowrap}.scale-comparison{background:#e9eee3;border:1px solid #d1dccb;padding:28px;margin:32px 0;max-width:860px;border-radius:4px}.scale-comparison h3{margin:0 0 20px}.scale-comparison figure{margin:0 0 22px}.scale-comparison img{display:block;width:100%;height:auto}.scale-stats{display:grid;grid-template-columns:1fr 1fr;gap:22px;border-top:1px solid #cbd6c5;padding-top:22px}.scale-stats p{font-family:system-ui,sans-serif;font-size:.76rem;line-height:1.6;margin:0 0 8px;color:var(--muted)}.scale-stats strong{display:block;color:var(--ink);font-family:Georgia,serif;font-weight:400;font-size:clamp(1.5rem,3.2vw,2.5rem);line-height:1.2;margin:0 0 10px}
@media(max-width:1000px){.gallery-three{grid-template-columns:1fr}.gallery-three img{height:auto;max-height:430px;object-fit:contain}.chapter-nav ol{grid-template-columns:1fr}}@media(max-width:640px){.gallery{grid-template-columns:1fr}.railway-article{font-size:1.04rem}.scale-comparison{padding:19px}.scale-stats{grid-template-columns:1fr;gap:18px}.scale-stats>div+div{border-top:1px solid #cbd6c5;padding-top:18px}th,td{padding:10px}.railway-header h1{font-size:3rem}}@media print{.chapter-nav{display:none}.gallery figure,.scale-comparison{break-inside:avoid}.gallery-three{grid-template-columns:repeat(3,minmax(0,1fr))}.railway-article{font-size:11pt;line-height:1.6}}