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a{min-height:44px}.rail-top{margin-top:var(--s-4);font-size:var(--t-small);padding-left:12px}.rail-top a{color:var(--ink-faint)}@media (min-width:1024px){.guide-grid{column-gap:var(--s-7);grid-template-columns:220px minmax(0,1fr);align-items:start;display:grid}.g-side{top:calc(var(--head-h) + 24px);max-height:calc(100dvh - var(--head-h) - 48px);padding:var(--s-5) 4px var(--s-5) 0;margin-left:-12px;display:block;position:sticky;overflow:auto}.toc-phone,.pages-phone{display:none}.guide{padding-top:var(--s-6);max-width:46rem}}@media (min-width:1280px){.guide-grid{grid-template-columns:220px minmax(0,1fr) 188px;column-gap:40px}.g-rail{padding-top:var(--s-6);align-self:stretch;display:block}}.diagram-scroll{margin-block:var(--s-6) 0;background:var(--card);border-radius:var(--r-md);max-width:46rem;box-shadow:0 0 0 1px 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