:root{
  --primary:#2679F3; --primary-hover:#1E63D0;
  --bg:#ffffff; --bg-subtle:#fafafa; --bg-card:#ffffff;
  --text-strong:#17181C; --text:#3D4045; --text-muted:#6E7276; --text-faint:#9DA0A5;
  --border:#E8E9EB; --border-strong:#D6D8DB;
  --sidebar-w:19rem; --radius:6px;
}
[data-theme="dark"]{
  --bg:#0a0b10; --bg-subtle:#101218; --bg-card:#0d0f15;
  --text-strong:#E8E9EB; --text:#C2C5C9; --text-muted:#8F9399; --text-faint:#6B7076;
  --border:#23262D; --border-strong:#33373E;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px; overflow-x:hidden;}
body{margin:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;-webkit-font-smoothing:antialiased;
  overflow-x:hidden; max-width:100vw;}
.icon{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
a{color:var(--primary);text-decoration:none}
.prose a:hover{text-decoration:underline;text-underline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--bg);padding:8px 12px;border-radius:6px}
.skip:focus{left:8px}
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--sidebar-w);
  background:var(--bg);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  z-index:40;
  padding-top: 0;
}
.sidebar-scroll{flex:1;overflow-y:auto;padding:0 28px 32px}
.sidebar-scroll{scrollbar-width:thin;scrollbar-color:transparent transparent}
.sidebar-scroll:hover{scrollbar-color:rgba(110,114,118,.3) transparent}
.sidebar-scroll::-webkit-scrollbar{width:6px}
.sidebar-scroll::-webkit-scrollbar-track{background:transparent}
.sidebar-scroll::-webkit-scrollbar-thumb{background:transparent;border-radius:99px}
.sidebar-scroll:hover::-webkit-scrollbar-thumb{background:rgba(110,114,118,.2)}
.sidebar-scroll:hover::-webkit-scrollbar-thumb:hover{background:rgba(110,114,118,.4)}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:var(--text-strong);margin-left:-16px;margin-top:0;}
.logo img{height:65px;width:auto}
.logo .icon{width:22px;height:22px;color:var(--primary);fill:currentColor;stroke:none}
.search{margin-top:4px;display:flex;align-items:center;gap:8px;width:100%;height:38px;padding:0 12px;
  border:1px solid var(--border-strong);border-radius:10px;background:var(--bg);color:var(--text-muted);
  font:inherit;font-size:14px;cursor:pointer;text-align:left}
.search:hover{border-color:var(--text-faint)}
.search .icon{width:15px;height:15px}
.search kbd{margin-left:auto;font-family:inherit;font-size:12px;font-weight:600;color:var(--text-faint)}
.nav-group{margin-top:26px}
.nav-title{font-size:14px;font-weight:600;color:var(--text-strong);margin:0 0 10px;padding-left:16px}
.nav-list{list-style:none;margin:0;padding:0}
.nav-list a{display:flex;align-items:center;gap:12px;margin-left:16px;width:calc(100% - 16px);
  padding:7px 8px 7px 15px;border-left:1px solid var(--border);color:var(--text-muted);font-size:14px}
.nav-list a .icon{width:16px;height:16px;color:var(--text-faint);transition:color .12s}
.nav-list a:hover{color:var(--text-strong)}
.nav-list a:hover .icon{color:var(--text-muted)}
.nav-list li.active a{color:var(--primary);font-weight:600;border-left-color:var(--primary)}
.nav-list li.active a .icon{color:var(--primary)}
.layout{margin-left:var(--sidebar-w);min-height:100vh; max-width:100vw; overflow-x:hidden;}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:16px;height:48px;
  padding:0 40px;background:var(--bg);border-bottom:1px solid var(--border)}
.menu-btn{display:none;border:0;background:none;color:var(--text-muted);cursor:pointer;padding:6px}
.tabs{display:flex;gap:24px;height:100%}
.tab{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--text-muted);position:relative;height:100%}
.tab .icon{width:16px;height:16px}
.tab::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent}
.tab:hover{color:var(--text-strong)}
.tab.active{color:var(--text-strong)}
.tab.active::after{background:var(--primary)}
.topbar-right{margin-left:auto;display:flex;gap:8px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:0;
  background:none;border-radius:8px;color:var(--text-muted);cursor:pointer}
.icon-btn:hover{color:var(--text-strong);background:var(--bg-subtle)}
.icon-btn .icon{width:16px;height:16px}
[data-theme="light"] .i-sun{display:none}
[data-theme="dark"] .i-moon{display:none}
.cols{display:flex;gap:40px;padding:0 40px}
.content-col{flex:1;min-width:0;display:flex;justify-content:center}
.content{width:100%;max-width:672px;padding:40px 0 0}
.eyebrow{color:var(--primary);font-size:14px;font-weight:600;margin:0 0 10px}
.title-row{display:flex;align-items:center;gap:12px}
h1{font-size:32px;font-weight:600;letter-spacing:-.02em;color:var(--text-strong);margin:0;flex:1}
.page-actions{display:flex}
.btn-copy{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:13px;font-weight:500;
  color:var(--text);background:var(--bg);border:1px solid var(--border);border-right:0;
  border-radius:8px 0 0 8px;padding:7px 12px;cursor:pointer}
.btn-more{display:inline-flex;align-items:center;justify-content:center;width:34px;
  border:1px solid var(--border);border-radius:0 8px 8px 0;background:var(--bg);color:var(--text-faint);cursor:pointer}
.btn-copy:hover,.btn-more:hover{background:var(--bg-subtle)}
.btn-copy .icon,.btn-more .icon{width:14px;height:14px}
.prose{margin-top:28px}
.prose p{line-height:1.75;margin:0 0 16px}
.prose hr{border:0;border-top:1px solid var(--border);margin:28px 0}
.prose h2{font-size:24px;font-weight:600;color:var(--text-strong);margin:40px 0 16px;scroll-margin-top:72px;position:relative}
.prose h3{font-size:18px;font-weight:600;color:var(--text-strong);margin:28px 0 12px}
.h-anchor{opacity:0;margin-left:8px;font-size:18px}
.prose h2:hover .h-anchor{opacity:1}
.callout{display:flex;gap:12px;align-items:flex-start;background:var(--bg-subtle);
  border:1px solid var(--border);border-radius:var(--radius);padding:16px;font-size:14px;line-height:1.6;margin:20px 0}
.callout .icon{width:16px;height:16px;margin-top:2px;color:var(--text-muted)}
.callout b{color:var(--text-strong);display:block;margin-bottom:4px}
.prose ul,.prose ol{margin:16px 0;padding-left:24px}
.prose li{margin:8px 0;line-height:1.7}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0 8px}
.card{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 24px;transition:border-color .12s;color:inherit}
.card:hover{border-color:var(--primary)}
.card .icon{width:24px;height:24px;color:var(--primary)}
.card h3{margin:16px 0 4px;font-size:15px;font-weight:600;color:var(--text-strong)}
.card p{margin:0;font-size:14px;line-height:1.6;color:var(--text-muted)}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px; display:block; overflow-x:auto;}
.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left;vertical-align:top; white-space:nowrap;}
.prose th{background:var(--bg-subtle);font-weight:600;color:var(--text-strong)}
.step{display:flex;gap:16px;margin:20px 0}
.step .n{width:32px;height:32px;border-radius:50%;background:var(--bg-subtle);border:1px solid var(--border);
  color:var(--primary);font-weight:600;font-size:14px;display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px}
.step b{color:var(--text-strong);display:block;margin-bottom:4px}
.tz{border:1px dashed var(--border);border-radius:var(--radius);padding:12px 16px;margin:12px 0;
  background:var(--bg-subtle);color:var(--text-muted);font-size:13px;line-height:1.5}
.badge{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--bg-subtle);
  border:1px solid var(--border);border-radius:99px;padding:2px 10px;margin:0 4px 4px 0}
.feedback{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:48px 0 32px;color:var(--text-muted);font-size:14px}
.fb-actions{display:flex;gap:12px}
.fb-btn{display:inline-flex;align-items:center;gap:10px;font:inherit;font-size:14px;color:var(--text-muted);
  background:var(--bg-subtle);border:1px solid var(--border);border-radius:10px;padding:8px 14px;cursor:pointer}
.fb-btn:hover{color:var(--text);border-color:var(--border-strong)}
.fb-btn .icon{width:15px;height:15px}
.pagination{background:var(--bg-subtle);border-radius:12px;padding:4px;margin-bottom:48px;display:flex;gap:4px}
.pagination a{flex:1;display:flex;align-items:center;justify-content:space-between;min-height:64px;padding:0 20px;
  background:var(--bg);border-radius:10px;color:inherit}
.pagination a:hover{box-shadow:inset 0 0 0 1px var(--border)}
.pg-title{font-size:14px;font-weight:600;color:var(--text-strong)}
.pg-sep{width:1px;height:32px;background:var(--border);margin:0 20px}
.pg-next{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-muted)}
.pg-next .icon{width:12px;height:12px}
.footer{border-top:1px solid var(--border);padding:24px 0 64px;display:flex;align-items:center;gap:20px}
.footer a{color:var(--text-faint)}
.footer a:hover{color:var(--text-muted)}
.footer .icon{width:18px;height:18px}
.toc{width:264px;flex:none;padding:48px 0;position:sticky;top:48px;align-self:flex-start;max-height:calc(100vh - 48px);overflow:auto}
.toc-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-strong);margin:0 0 12px}
.toc-title .icon{width:14px;height:14px}
.toc ul{list-style:none;margin:0;padding:0}
.toc a{display:block;font-size:13px;color:var(--text-muted);border-left:1px solid var(--border);padding:4px 0 4px 16px}
.toc a:hover{color:var(--text-strong);text-decoration:none}
.toc a.active{color:var(--primary);border-left-color:var(--primary);font-weight:500}
.backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35}
@media (max-width:1279px){.toc{display:none}}
@media (max-width:1024px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .2s ease;
    width: 85vw;
    max-width: 300px;
  }
  body.sidebar-open .sidebar{transform:none}
  body.sidebar-open .backdrop{display:block}
  .layout{
    margin-left:0;
    max-width: 100vw;
    overflow-x: hidden;
  }
  .topbar {
    padding: 0 16px;
  }
  .menu-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    padding:0;
    flex-shrink:0;
    background: transparent;
    border: 0;
  }
  .menu-btn .icon{
    width: 24px;
    height: 24px;
  }
  .cols{padding:0 16px}
}
@media (max-width:640px){
  .cards{grid-template-columns:1fr}
  .page-actions{display:none}
  .prose th, .prose td {
    padding: 8px 10px;
    font-size: 13px;
  }
}
.sidebar-scroll{overscroll-behavior:contain}
.prose .card,
.prose .card *{text-decoration:none}
.prose .card:hover,
.prose .card:hover *{text-decoration:none}
.card{color:inherit;text-decoration:none}
.card:hover{text-decoration:none}
#search, #search *{
  --pagefind-ui-scale:.65;
  --pagefind-ui-primary:var(--primary);
  --pagefind-ui-text:var(--text);
  --pagefind-ui-background:var(--bg);
  --pagefind-ui-border:var(--border-strong);
  --pagefind-ui-border-radius:10px;
  --pagefind-ui-font:'Inter',-apple-system,sans-serif;
  --pf-input-height:38px;
  --pf-input-font-size:14px;
  --pf-border-radius:10px;
  --pf-background:var(--bg);
  --pf-border:var(--border-strong);
  --pf-font:'Inter',-apple-system,sans-serif;
  --pf-dropdown-max-height:320px;
}
#search{margin-top:12px}