:root{--ground:#F2F3F0;--dot:rgba(31,63,40,.10);--sheet:#FFFFFF;--sheet-2:#F7F8F5;--line:#E3E6DF;--ink:rgba(16,24,18,.88);--ink-2:rgba(16,24,18,.58);--ink-3:rgba(16,24,18,.38);--brand:#1F3F28;--brand-ink:#F4F1E6;--gold:#C9A84C;--gold-2:#E2C878;--sage:#B9CDBE;--sage-2:#DCE6DD;--chip:#EBEEE7;--chip-ink:rgba(16,24,18,.66);--ok:#3E7B52;--red:#C8463B;--shadow:0 1px 2px rgba(20,30,22,.05),0 12px 40px -12px rgba(20,30,22,.16);--f-sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--f-mono:"Geist Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;--f-serif:"Playfair Display",Georgia,"Times New Roman",serif;--f-ev:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ground:#121512;--dot:rgba(207,227,210,.07);--sheet:#1A1E1A;--sheet-2:#161916;--line:#2A302A;--ink:rgba(236,240,232,.92);--ink-2:rgba(236,240,232,.62);--ink-3:rgba(236,240,232,.40);--brand:#CFE3D2;--brand-ink:#132417;--gold:#D9BF73;--gold-2:#8C7535;--sage:#3D5444;--sage-2:#26332A;--chip:#252A25;--chip-ink:rgba(236,240,232,.72);--ok:#7DBB8F;--red:#E0675B;--shadow:0 1px 2px rgba(0,0,0,.3),0 16px 48px -12px rgba(0,0,0,.6);color-scheme:dark}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:90px}
body{margin:0;background-color:var(--ground);background-image:radial-gradient(var(--dot) 1px,transparent 1.2px);background-size:22px 22px;color:var(--ink);font-family:var(--f-sans);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}p{margin:0}
.ic{vertical-align:-3px}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.mono{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;border-radius:8px;padding:8px 13px;white-space:nowrap;border:0;font-family:inherit;cursor:pointer}
.btn-dark{background:var(--brand);color:var(--brand-ink)}.btn-ghost{background:var(--chip);color:var(--ink)}
.btn:hover{filter:brightness(1.06)}
.mk{width:22px;height:22px;flex:none}
.mark{display:flex;align-items:center;gap:8px;margin-right:14px;font-family:var(--f-serif);font-size:17px;color:var(--ink);white-space:nowrap}
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;display:flex;justify-content:center;padding:14px 16px 0}
.nav-in{display:flex;align-items:center;gap:6px;background:color-mix(in srgb,var(--sheet) 84%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:12px;padding:5px 5px 5px 12px}
.nav .l{font-size:13px;color:var(--ink-2);padding:7px 9px;border-radius:7px}.nav .l:hover{background:var(--chip);color:var(--ink)}
.nav .l.on{color:var(--ink);font-weight:500}
.sep{width:1px;height:16px;background:var(--line);margin:0 6px}
.menubtn{display:none;border:0;background:transparent;color:var(--ink-2);width:30px;height:30px;border-radius:7px;place-items:center;cursor:pointer;margin-right:2px}
.layout{max-width:1200px;margin:0 auto;padding:0 max(24px,env(safe-area-inset-left,0px));display:grid;grid-template-columns:240px minmax(0,1fr) 200px;gap:44px}
body.wide .layout{grid-template-columns:240px minmax(0,1fr)}body.wide .layout>div:last-child{display:none}
.side{position:sticky;top:76px;align-self:start;max-height:calc(100vh - 76px);overflow:auto;padding:34px 0 40px;scrollbar-width:thin}
.side .sidesearch{position:relative;margin:0 0 16px}
.side .sidesearch input{width:100%;height:34px;border:1px solid var(--line);background:var(--sheet);color:var(--ink);border-radius:8px;padding:0 10px 0 32px;font:inherit;font-size:13px}
.side .sidesearch .ic{position:absolute;left:10px;top:9px;color:var(--ink-3)}
.side .lbl{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 6px 8px}
.side .topics a.row{display:flex;align-items:center;justify-content:space-between;padding:7px 8px;border-radius:8px;color:var(--ink);font-size:14px}
.side .topics a.row:hover{background:var(--chip)}
.side .topics a.row.cur{font-weight:500}
.side .topics a.row .ic{color:var(--ink-3);transition:transform .18s ease}
.side .topics a.row.cur .ic{transform:rotate(90deg)}
.side .sub{margin:2px 0 8px 8px;padding-left:8px;border-left:1px solid var(--line)}
.side .sub h4{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:500;margin:10px 0 3px 8px}
.side .sub a{display:block;padding:5px 8px;border-radius:7px;color:var(--ink-2);font-size:13.5px;line-height:1.4}
.side .sub a:hover{color:var(--ink);background:var(--chip)}
.side .sub a.cur{color:var(--ink);font-weight:500;background:var(--chip)}
.side .support{margin-top:24px}
.side .support a{display:block;padding:5px 8px;color:var(--ink-2);font-size:13.5px;border-radius:7px}
.side .support a:hover{color:var(--ink);background:var(--chip)}
.main{padding:40px 0 80px;min-width:0}
.crumbs{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}
h1{font-weight:400;margin:0;text-wrap:balance;letter-spacing:-.025em;font-size:36px;line-height:1.12}
h1 .dim{color:var(--ink-3)}
.caret{display:inline-block;width:.32em;height:.32em;background:var(--gold);margin-left:.18em;vertical-align:baseline;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.lead{margin:14px 0 26px;font-size:16px;color:var(--ink-2);max-width:60ch;line-height:1.5}
.article{background:var(--sheet);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:10px 30px 26px}
.article h2{font-weight:500;font-size:20px;letter-spacing:-.02em;margin:30px 0 8px;line-height:1.3}
.article h3{font-size:15.5px;font-weight:500;margin:20px 0 6px}
.article p{margin:10px 0;color:var(--ink)}.article ul,.article ol{padding-left:22px;margin:10px 0}.article li{margin:5px 0}
.article li::marker{color:var(--gold)}
.article ul{list-style:none;padding-left:0}.article ul li{position:relative;padding-left:18px}.article ul li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;background:var(--gold)}
.article strong{font-weight:500;color:var(--ink)}
.article a{border-bottom:1px solid var(--ink-3);padding-bottom:1px}.article a:hover{border-bottom-color:var(--ink)}
.article code{font-family:var(--f-mono);font-size:.88em;background:var(--chip);padding:1px 5px;border-radius:5px}
.article pre{background:var(--sheet-2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow:auto;font-size:13px}
.article pre code{background:transparent;padding:0}
.article hr{border:0;border-top:1px solid var(--line);margin:26px 0}
.callout{border:1px solid var(--line);background:var(--sheet-2);border-radius:10px;padding:12px 14px;margin:16px 0}
.callout.warn{border-color:var(--gold-2)}
.callout-label{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.callout p{margin:4px 0 0}
.table-wrap{overflow:auto;margin:14px 0;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:500;background:var(--sheet-2);font-size:13px}tr:last-child td{border-bottom:0}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:22px}
.pager a{flex:1;border:1px solid var(--line);background:var(--sheet);border-radius:12px;padding:12px 14px;color:var(--ink);display:flex;align-items:center;gap:10px;font-size:14px}
.pager a:hover{box-shadow:var(--shadow)}
.pager a.next{justify-content:flex-end;text-align:right}
.pager small{display:block;font-family:var(--f-mono);font-size:10.5px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em}
.pager b{font-weight:500}
.toc{position:sticky;top:76px;align-self:start;padding:44px 0;font-size:13px}
.toc .lbl{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.toc a{display:block;color:var(--ink-2);padding:4px 0 4px 12px;border-left:1px solid var(--line);line-height:1.35}
.toc a:hover{color:var(--ink)}.toc a.cur{color:var(--ink);border-left-color:var(--gold)}
.hero-c{text-align:center;padding:40px 0 8px}
.hero-c .mono{margin-bottom:14px}
.hero-c h1{font-size:44px;margin:0 auto 22px;max-width:16ch}
.bigsearch{position:relative;max-width:720px;margin:0 auto}
.bigsearch input{width:100%;height:52px;border:1px solid var(--line);background:var(--sheet);color:var(--ink);border-radius:12px;padding:0 20px 0 48px;font:inherit;font-size:16px;box-shadow:var(--shadow)}
.bigsearch input:focus{outline:2px solid var(--sage-2);border-color:var(--sage)}
.bigsearch .ic{position:absolute;left:18px;top:17px;color:var(--ink-3)}
.bigsearch .kbd{position:absolute;right:14px;top:16px;font-family:var(--f-mono);font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.search-results{position:absolute;top:60px;left:0;right:0;background:var(--sheet);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);display:none;max-height:60vh;overflow:auto;z-index:50;padding:6px;text-align:left}
.search-results.open{display:block}
.search-results a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink)}
.search-results a:hover,.search-results a.active{background:var(--chip)}
.search-results .t{font-weight:500;font-size:14px}.search-results .s{font-size:12.5px;color:var(--ink-2)}
.search-results .empty{padding:12px;font-size:13px;color:var(--ink-2)}
.side .sidesearch .search-results{top:40px}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:14px 0 6px}
.chips a{display:inline-flex;align-items:center;gap:5px;background:var(--chip);color:var(--chip-ink);border-radius:6px;padding:4px 10px;font-size:12.5px}
.chips a:hover{color:var(--ink)}
h2.sec{font-weight:500;font-size:26px;letter-spacing:-.03em;margin:46px 0 16px;line-height:1.1}
h2.sec .dim{color:var(--ink-3)}
.topics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.topic{position:relative;background:var(--sheet);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:18px 18px 60px;min-height:150px;color:var(--ink);display:block;overflow:hidden}
.topic:hover{border-color:var(--sage)}
.topic h3{margin:0 0 5px;font-size:16px;font-weight:500;letter-spacing:-.01em}.topic p{margin:0;color:var(--ink-2);font-size:13.5px;line-height:1.5}
.topic .art{position:absolute;right:14px;bottom:14px;width:40px;height:40px;border-radius:10px;background:var(--sage-2);color:var(--brand);display:grid;place-items:center}
.usecases{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.usecase{background:var(--sheet);border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:var(--ink);display:block}
.usecase:hover{border-color:var(--sage)}
.usecase b{display:flex;align-items:center;gap:6px;font-size:14.5px;font-weight:500}.usecase b .ic{color:var(--ink-3)}
.usecase p{margin:4px 0 0;font-size:13px;color:var(--ink-2)}
.docs{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin:0 0 8px}
.doc{background:var(--sheet);border:1px solid var(--line);border-radius:12px;padding:16px 18px;color:var(--ink);display:block}
.doc:hover{border-color:var(--sage)}
.doc small{display:block;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.doc b{display:block;font-size:15.5px;font-weight:500;line-height:1.3;letter-spacing:-.01em}.doc p{margin:6px 0 0;font-size:13px;color:var(--ink-2);line-height:1.5}
.kicker{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:28px 0 10px}
.still{background:var(--sheet);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:22px 24px;margin-top:40px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.still h2{font-weight:500;font-size:20px;letter-spacing:-.02em;margin:0 0 4px}.still p{margin:0;color:var(--ink-2);font-size:14px;max-width:560px}
.results{margin-top:8px}
.results .count{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:26px 0 10px}
.result{display:block;background:var(--sheet);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px;color:var(--ink)}
.result:hover{border-color:var(--sage)}
.result small{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}.result b{display:block;font-size:16px;font-weight:500;margin:3px 0 4px;letter-spacing:-.01em}.result p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.5}
.result mark{background:var(--gold-2);color:var(--brand);border-radius:3px;padding:0 2px}
footer{border-top:1px solid var(--line);padding-block:40px 56px;font-size:13px;color:var(--ink-3);background:var(--ground);margin-top:40px}
.pbd{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:4px 0 32px;border-bottom:1px solid var(--line);margin-bottom:36px;flex-wrap:wrap}
.pbd p{color:var(--ink-2);margin-top:6px;font-size:14px}
.tlink{display:inline-flex;gap:6px;align-items:center;font-size:14px;border-bottom:1px solid var(--ink-3);padding-bottom:2px;color:var(--ink)}
.fgrid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px}
.fgrid h4{font-weight:500;font-size:13px;color:var(--ink);margin:0 0 10px}.fgrid a{display:block;padding:3px 0}.fgrid a:hover{color:var(--ink)}
.fgrid p{margin-top:12px;max-width:28ch}
.legal{margin-top:40px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:35}
@media (max-width:1100px){.layout,body.wide .layout{grid-template-columns:220px minmax(0,1fr);gap:28px}.toc{display:none}.fgrid{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:760px){
  .nav a.l,.nav .sep{display:none}.menubtn{display:inline-grid}
  .layout{display:block;padding:0 16px}
  .side{display:none;position:fixed;top:0;left:0;bottom:0;width:min(86vw,320px);max-height:100vh;height:100vh;background:var(--sheet);z-index:45;padding:16px 14px 40px;box-shadow:var(--shadow)}
  body.nav-open .side{display:block}body.nav-open .overlay{display:block}
  .side .sidehead{display:flex;align-items:center;gap:10px;margin-bottom:12px}
  .main{padding-top:28px}
  h1{font-size:30px}.hero-c h1{font-size:32px}.hero-c{padding-top:24px}
  .bigsearch input{height:46px;font-size:15px;padding-left:42px}.bigsearch .ic{top:14px;left:14px}.bigsearch .kbd{display:none}
  h2.sec{font-size:22px}
  .article{padding:4px 16px 18px}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (min-width:761px){.side .sidehead{display:none}}
@media (prefers-reduced-motion:reduce){.caret{animation:none}}