:root{color-scheme:light dark;--bg:#f7f8f5;--ink:#17211c;--line:#dce3dc;--muted:#69756d;--brand:#256047}@media(prefers-color-scheme:dark){:root{--bg:#17211c;--ink:#e8eee9;--line:#33443a;--muted:#afbbb1;--brand:#7ccaa0}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,"PingFang SC",sans-serif}header{height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1360px)/2));color:var(--muted);font-size:13px}.brand{color:var(--ink);font-weight:800;text-decoration:none;font-family:ui-monospace,monospace}.layout{display:grid;grid-template-columns:minmax(150px,clamp(150px,18vw,220px)) minmax(0,1fr);gap:clamp(16px,3vw,46px);width:min(1360px,calc(100% - 24px));margin:34px auto}.desktop-nav>p{font:700 11px ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase}.mobile-nav{display:none}.nav-section{margin:10px 0}.nav-section summary{cursor:pointer;color:var(--muted)}.nav-section ul{list-style:none;margin:6px 0 0;padding-left:14px}.nav-section li{margin:5px 0}.nav-section a{color:var(--muted);text-decoration:none}.nav-section a:hover{color:var(--brand)}.nav-section a.is-active{color:var(--ink);font-weight:700}.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;font:12px ui-monospace,monospace;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--brand);text-decoration:none}main{min-width:0}article{max-width:100%}article h1{font-size:42px;line-height:1.15;letter-spacing:-.05em;margin:18px 0 25px}article h2{margin-top:45px;letter-spacing:-.03em}article a{color:var(--brand)}article img,article svg{max-width:100%;height:auto}article table{display:block;overflow-x:auto;border-collapse:collapse}article th,article td{border:1px solid var(--line);padding:7px 12px}article th{background:color-mix(in srgb,var(--ink) 6%,transparent)}pre{overflow:auto;padding:18px;background:#18221d;color:#e4ede5;border-radius:5px}pre.shiki{font-size:14px;line-height:1.65}pre.shiki code{font:inherit}.mermaid{display:flex;justify-content:center;background:transparent;color:var(--ink);white-space:pre-wrap}.mermaid.is-rendered{overflow:visible}.mermaid.has-error{border:1px solid #b42318;background:#fff1f0;color:#7a271a}.mermaid svg{max-width:100%;height:auto}code{font-family:ui-monospace,monospace;font-size:.9em}blockquote{border-left:3px solid var(--brand);padding-left:18px;color:var(--muted);margin-left:0}.home-layout{width:min(820px,calc(100% - 48px));margin:64px auto 80px}.home-intro{padding-bottom:24px}.eyebrow{margin:0 0 12px;font:700 11px ui-monospace,monospace;letter-spacing:.12em;color:var(--muted)}.home-intro h1{font-size:48px;line-height:1.1;letter-spacing:-.055em;margin:0 0 18px}.home-intro>p:last-child{max-width:620px;margin:0;color:var(--muted);font-size:18px}.home-section{border-top:1px solid var(--line);padding-top:22px;margin-top:34px}.home-section h2{margin:0 0 16px;font-size:20px;letter-spacing:-.02em}.home-section ul{list-style:none;margin:0;padding:0}.start-list li,.category-list li{padding:12px 0}.start-list li+li,.category-list li+li{border-top:1px solid color-mix(in srgb,var(--line) 65%,transparent)}.start-list a,.category-list a,.recent-list a{color:var(--ink);font-weight:700;text-decoration-thickness:1px;text-decoration-color:var(--line);text-underline-offset:4px}.start-list a:hover,.category-list a:hover,.recent-list a:hover{color:var(--brand);text-decoration-color:var(--brand)}.start-list p,.category-list p{margin:3px 0 0;color:var(--muted)}.recent-list li{display:flex;justify-content:space-between;gap:24px;padding:8px 0}.recent-list time{color:var(--muted);font:12px ui-monospace,monospace;white-space:nowrap}@media(min-width:981px){aside{position:sticky;top:24px;align-self:start}}@media(max-width:980px){.layout{grid-template-columns:minmax(0,1fr);width:min(760px,calc(100% - 32px))}aside{max-width:none;border-bottom:1px solid var(--line);padding-bottom:14px}.desktop-nav{display:none}.mobile-nav{display:block}.mobile-nav>summary{cursor:pointer;padding:8px 0;color:var(--ink);font-weight:700}.mobile-nav>nav{padding:4px 0 8px}}@media(max-width:760px){header{padding:0 18px}.layout{display:block;margin-top:22px}.home-layout{width:calc(100% - 32px);margin:40px auto 56px}.home-intro h1{font-size:38px}.home-intro>p:last-child{font-size:16px}article h1{font-size:34px}.recent-list li{display:block}.recent-list time{display:block;margin-top:2px}}
/* Shared page chrome; the home page keeps its own reading layout. */
.site-header{height:auto;min-height:64px;gap:16px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.site-nav{display:flex;flex-wrap:wrap;gap:4px 20px;align-items:center}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);text-decoration:none}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:6px}
a:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:4px}
.desktop-nav,.mobile-nav>nav{border-left:2px solid var(--line);padding-left:14px}
.nav-section summary{min-height:36px;display:list-item}
.nav-section li a{display:inline-block;padding:3px 0}
article{max-width:920px;overflow-wrap:anywhere}
article pre{overflow-wrap:normal}
article h1{font-size:clamp(2rem,2.5vw + 1rem,2.625rem);overflow-wrap:anywhere}
.breadcrumbs{line-height:1.6;overflow-wrap:anywhere}
.home-intro h1{font-size:clamp(2rem,3vw + 1rem,3rem)}
@media(max-width:980px){
  .mobile-nav>summary{min-height:44px;display:list-item;line-height:1.75;font-size:14px}
  .mobile-nav>nav{margin:4px 0 12px}
  .mobile-nav .nav-section{margin:8px 0}
  .mobile-nav .nav-section summary,.mobile-nav .nav-section li a{min-height:44px}
  aside{padding-bottom:10px}
  .breadcrumbs{margin-top:16px;margin-bottom:12px}
  article h1{margin-top:12px;margin-bottom:22px}
}
@media(max-width:760px){
  .site-header{padding:12px 16px;gap:0 16px}
  .site-nav{width:100%;gap:0 20px;font-size:13px}
  .layout,.home-layout{margin-top:28px}
  .home-intro{padding-bottom:16px}
  article h2{margin-top:32px}
}