:root{
  --bg:#fff7e6;
  --bg2:#fff1d6;
  --card:rgba(255,255,255,.92);
  --ink:#1f2937;
  --muted:#6b7280;
  --brand:#d97706;
  --brand2:#f59e0b;
  --border:#eadcc5;
  --shadow:0 16px 36px rgba(31,41,55,.12);
  --r:18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:var(--sans); color:var(--ink);
  background:
    radial-gradient(1000px 520px at 10% 0%, rgba(217,119,6,.18), transparent 55%),
    radial-gradient(900px 520px at 90% 10%, rgba(245,158,11,.22), transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg2));
}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:18px 14px 64px}
.hero{
  border:1px solid var(--border);
  background:linear-gradient(145deg, rgba(255,255,255,.94), rgba(255,255,255,.80));
  box-shadow:var(--shadow);
  border-radius:calc(var(--r) + 8px);
  padding:16px 16px 12px;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:999px;
  background:rgba(217,119,6,.12);
  border:1px solid rgba(217,119,6,.25);
  color:#7c2d12;
  font-weight:800;font-size:13px;
}
.hero h1{margin:10px 0 6px;font-size:28px;line-height:1.15}
.hero p{margin:0;color:var(--muted);max-width:90ch;line-height:1.55}
.meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 10px;border-radius:999px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.78);
  font-size:13px;color:var(--muted);
}
.grid{
  display:grid;
  grid-template-columns: 320px 1fr;
  gap:14px;
  margin-top:14px;
  align-items:start;
}
@media (max-width: 980px){
  .grid{grid-template-columns:1fr}
}
.toc{
  position:sticky; top:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.90);
  box-shadow:0 10px 26px rgba(31,41,55,.10);
  border-radius:var(--r);
  padding:14px;
}
.toc h2{margin:0 0 8px;font-size:15px}
.toc input{
  width:100%;
  padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);
  outline:none;background:rgba(255,255,255,.95);
  margin:10px 0 6px;
}
.toc ul{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:6px}
.toc a{
  display:block;padding:8px 10px;border-radius:12px;
  text-decoration:none;border:1px solid transparent;
}
.toc a:hover{border-color:rgba(217,119,6,.25);background:rgba(217,119,6,.06)}
.toc a small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
main{
  border:1px solid var(--border);
  background:rgba(255,255,255,.88);
  box-shadow:var(--shadow);
  border-radius:var(--r);
  padding:16px;
}
section{padding:10px 0;border-top:1px dashed rgba(234,220,197,.92)}
section:first-child{border-top:none}
h2{margin:6px 0 8px;font-size:20px}
h3{margin:16px 0 8px;font-size:16px}
p{margin:8px 0;line-height:1.6;color:#253041}
.note{
  border:1px solid rgba(217,119,6,.24);
  background:rgba(217,119,6,.06);
  border-radius:14px;
  padding:10px 12px;
}
.note strong{color:#7c2d12}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:10px}
@media (max-width: 980px){ .cards{grid-template-columns:1fr} }
.card{
  border:1px solid var(--border);
  background:rgba(255,255,255,.92);
  border-radius:18px;
  padding:12px;
  box-shadow:0 10px 22px rgba(31,41,55,.08);
}
.card b{display:block;font-size:15px}
.card span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.45}
.btnrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.btn{
  appearance:none;border:none;cursor:pointer;
  padding:10px 12px;border-radius:14px;
  background:linear-gradient(180deg,var(--brand2),var(--brand));
  color:white;font-weight:900;
  box-shadow:0 10px 20px rgba(217,119,6,.22);
  transition:transform .08s ease;
  text-decoration:none;
  display:inline-flex;align-items:center;gap:8px;
}
.btn:active{transform:translateY(1px)}
.btn.secondary{
  background:rgba(255,255,255,.95);
  color:var(--ink);
  border:1px solid var(--border);
  box-shadow:none;
  font-weight:800;
}
.codeCard{
  border:1px solid var(--border);
  border-radius:16px;
  background:rgba(255,255,255,.92);
  overflow:hidden;
  margin:12px 0;
}
.codeTop{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;
  border-bottom:1px solid rgba(234,220,197,.92);
  background:linear-gradient(180deg, rgba(255,247,230,.85), rgba(255,241,214,.65));
}
.label{font-weight:900;font-size:13px;color:#7c2d12;display:flex;gap:8px;align-items:center}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.mini{
  padding:8px 10px;border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.90);
  cursor:pointer;font-weight:900;color:#1f2937;
}
pre{margin:0;padding:12px 12px 14px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.55;background:rgba(17,24,39,.96);color:#f8fafc}
.kbd{
  font-family:var(--mono);font-weight:900;
  padding:2px 6px;border-radius:8px;
  border:1px solid rgba(234,220,197,.92);
  background:rgba(255,255,255,.95);color:#7c2d12;
}
hr.sep{border:none;border-top:1px dashed rgba(234,220,197,.92);margin:14px 0}
.footer{margin-top:14px;color:var(--muted);font-size:13px;text-align:center}