:root{--bg:#f6f8fb;--card:#fff;--ink:#16202e;--mut:#5b687a;--line:#e1e7ef;--r:12px;--body:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--head:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#0e131b;--card:#161d28;--ink:#e8edf5;--mut:#9aa7ba;--line:#27313f}}
.t-atlas .hero{background:linear-gradient(180deg,var(--card),transparent);border-radius:var(--r);padding:34px 26px 20px;margin-top:20px}
.t-atlas .card{box-shadow:0 1px 2px rgba(15,30,60,.05)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.mut{color:var(--mut);font-size:14px}.lead{font-size:1.2em;color:var(--mut);max-width:760px}
h1,h2,h3{font-family:var(--head);line-height:1.25;color:var(--ink)}h1{font-size:2.1rem;margin:.6em 0 .4em}h2{font-size:1.5rem;margin:1.8em 0 .6em}h3{font-size:1.15rem;margin:1.2em 0 .4em}
.hd{border-bottom:1px solid var(--line);background:var(--card)}.hd-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{font:700 1.25rem var(--head);color:var(--ink);text-decoration:none}.hd nav{display:flex;gap:6px 18px;flex-wrap:wrap;font-size:15px}.hd nav a{color:var(--mut);text-decoration:none}.hd nav a:hover{color:var(--accent)}
.hero{padding:34px 0 10px}.hero-img{width:100%;border-radius:var(--r);margin-top:22px;aspect-ratio:16/9;object-fit:cover}
.grid{display:grid;gap:18px}.cats{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.posts{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;overflow:hidden}
.cat{display:block;color:inherit;text-decoration:none}.cat:hover{border-color:var(--accent)}.cat h3{margin:0 0 6px}.cat p{margin:0 0 8px;color:var(--mut);font-size:15px;line-height:1.5}
.post{padding:0;display:flex;flex-direction:column}.post>a{color:inherit;text-decoration:none}.post img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post h3{margin:14px 18px 6px}.post p{margin:0 18px 8px;color:var(--mut);font-size:15px;line-height:1.55}.post .mut{margin:auto 18px 16px}
.crumbs{font-size:14px;color:var(--mut);margin:20px 0 4px}.crumbs a{color:var(--mut)}
.art{max-width:760px;margin:0 auto}.art .meta{color:var(--mut);font-size:14px;margin:0 0 18px}.cover{width:100%;border-radius:var(--r);margin:0 0 22px;aspect-ratio:16/9;object-fit:cover}
.tldr,.takeaways,.toc{border-left:4px solid var(--accent);background:var(--card);border-radius:0 var(--r) var(--r) 0;padding:12px 18px;margin:18px 0}
.tldr p{margin:.3em 0 0}.takeaways ul,.toc ol{margin:.4em 0 0;padding-left:1.2em}.toc a{text-decoration:none}
.body h2{border-top:1px solid var(--line);padding-top:1.1em}.body table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15px;display:block;overflow-x:auto}
.body th,.body td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}.body th{background:var(--card)}
.body img{border-radius:var(--r);margin:1.2em 0}.body blockquote{margin:1.2em 0;padding:.2em 1.2em;border-left:3px solid var(--line);color:var(--mut)}
.faq{border-bottom:1px solid var(--line);padding-bottom:6px}.faq h3{margin:1em 0 .2em}.faq p{margin:.2em 0 .8em}
.contrib{font-size:14px;color:var(--mut);border-top:1px solid var(--line);padding-top:14px;margin-top:30px}
.related{margin-top:48px}.pager{display:flex;justify-content:space-between;gap:12px;margin:30px 0}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:9px 18px;border-radius:var(--r);text-decoration:none}.btn:hover{filter:brightness(1.1)}
.ft{border-top:1px solid var(--line);background:var(--card);margin-top:60px;padding:30px 0;font-size:15px}.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.ft ul{list-style:none;margin:6px 0 0;padding:0}.ft li{margin:3px 0}.ft p{margin:6px 0;color:var(--mut)}.ft-note{margin-top:22px;font-size:13px}
@media (max-width:760px){body{font-size:16px}h1{font-size:1.75rem}.ft-grid{grid-template-columns:1fr}.hd-in{align-items:flex-start}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}