:root{--text:#1d2125;--muted:#5b6670;--line:#dde2e6;--bg:#fff;--soft:#f5f7f8;--link:#0b5cad;--accent:#0f6b4f}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
.wrap{max-width:46rem;margin:0 auto;padding:0 1rem}
a{color:var(--link)}
a:hover{text-decoration:none}
.site-header{border-bottom:1px solid var(--line);background:var(--soft)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;padding:.75rem 1rem}
.brand{font-weight:700;font-size:1.15rem;color:var(--accent);text-decoration:none}
.site-header nav a{margin-left:1rem;text-decoration:none;font-weight:500}
.site-header nav a:first-child{margin-left:0}
main{padding-top:1rem;padding-bottom:2rem}
.breadcrumb{font-size:.9rem;color:var(--muted);margin:.5rem 0 1rem}
h1{font-size:1.75rem;line-height:1.25;margin:.5rem 0 1rem}
h2{font-size:1.35rem;line-height:1.3;margin:2rem 0 .75rem;padding-top:.5rem;border-top:1px solid var(--line)}
h3{font-size:1.1rem;margin:1.5rem 0 .5rem}
p,ul,ol{margin:0 0 1rem}
li{margin:.25rem 0}
blockquote{margin:1rem 0;padding:.75rem 1rem;background:var(--soft);border-left:4px solid var(--accent)}
blockquote p:last-child,blockquote ul:last-child{margin-bottom:0}
table{border-collapse:collapse;width:100%;margin:0 0 1rem;font-size:.95rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:.45rem .6rem;text-align:left;vertical-align:top}
th{background:var(--soft)}
code{font-size:.9em;background:var(--soft);padding:.1em .3em;border-radius:3px}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
.toc{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:.5rem 1rem;margin:0 0 1.5rem}
.toc summary{cursor:pointer;font-weight:600}
.toc ol{margin:.5rem 0}
.site-footer{border-top:1px solid var(--line);background:var(--soft);color:var(--muted);font-size:.9rem;padding:1rem 0}
article a{overflow-wrap:anywhere}
@media (max-width:480px){body{font-size:16px}h1{font-size:1.45rem}}