:root{
  --bg:#f7f8fa;
  --surface:#ffffff;
  --surface-soft:#fffdf3;
  --text:#08162b;
  --muted:#64748b;
  --yellow:#f5c400;
  --yellow-strong:#e7b800;
  --yellow-soft:#fff1b8;
  --yellow-pale:#fff8d8;
  --border:#dfe5ec;
  --border-soft:#eef1f5;
  --shadow:0 18px 48px rgba(15,23,42,.08);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
}
a{color:#7b6200;text-underline-offset:3px}
a:hover{color:#4f3f00}
.skip{
  position:absolute;left:-9999px;top:0;
  background:#fff;color:#000;padding:.75rem 1rem;z-index:99;
}
.skip:focus{left:1rem;top:1rem}
.header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.inner,.page,.footer-inner{width:min(1180px,calc(100% - 32px));margin:auto}
.header .inner{
  min-height:76px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:flex;align-items:center;gap:12px;
  color:var(--text);text-decoration:none;font-weight:850;letter-spacing:-.025em;
}
.logo{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:#050505;
  box-shadow:0 8px 18px rgba(0,0,0,.14);
}
.bars{display:flex;align-items:end;gap:3px;height:20px}
.bars i{
  display:block;width:4px;border-radius:3px 3px 1px 1px;
  background:var(--yellow);
}
.bars i:nth-child(1){height:9px}
.bars i:nth-child(2){height:14px}
.bars i:nth-child(3){height:20px}
.brand-copy{display:flex;flex-direction:column;line-height:1.1}
.brand-title{font-size:1rem}
.brand-sub{
  margin-top:5px;
  font-size:.62rem;
  font-weight:650;
  letter-spacing:.22em;
  color:#7b8797;
  text-transform:uppercase;
}
nav{display:flex;flex-wrap:wrap;gap:8px}
nav a{
  color:#526174;
  text-decoration:none;
  font-size:.92rem;
  font-weight:700;
  padding:10px 13px;
  border-radius:10px;
}
nav a:hover,nav a[aria-current="page"]{
  color:var(--text);
  background:var(--yellow-pale);
}
.page{padding:58px 0 88px}
.hero{
  max-width:860px;
  padding:24px 0 30px;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;
  border-radius:999px;
  background:var(--yellow-pale);
  color:#8a6900;
  font-size:.78rem;
  font-weight:850;
  letter-spacing:.03em;
  text-transform:uppercase;
}
.badge::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--yellow);
}
h1{
  font-size:clamp(2.35rem,5.4vw,4.4rem);
  line-height:1.04;
  letter-spacing:-.055em;
  margin:18px 0;
}
.hero p{
  font-size:1.08rem;
  color:var(--muted);
  max-width:760px;
}
.meta{
  margin-top:22px;
  color:#6b7686;
  font-size:.92rem;
}
.grid{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:34px;
  align-items:start;
}
.toc{
  position:sticky;top:100px;
  padding:18px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--border);
  box-shadow:0 8px 24px rgba(15,23,42,.04);
}
.toc strong{display:block;margin-bottom:8px}
.toc a{
  display:block;
  color:#66758a;
  text-decoration:none;
  padding:5px 0;
  font-size:.89rem;
}
.toc a:hover{color:var(--text)}
.doc{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:24px;
  padding:clamp(24px,5vw,58px);
  box-shadow:var(--shadow);
}
.doc section{scroll-margin-top:105px}
.doc section+section{
  border-top:1px solid var(--border-soft);
  margin-top:34px;
  padding-top:29px;
}
h2{
  margin:0 0 12px;
  font-size:1.43rem;
  line-height:1.3;
  letter-spacing:-.025em;
}
p,li{color:#334155}
ul{padding-left:1.25rem}
.notice{
  margin:22px 0;
  padding:16px 18px;
  border-left:4px solid var(--yellow);
  background:var(--yellow-pale);
  border-radius:0 12px 12px 0;
  color:#4b3a00;
}
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:35px;
}
.card{
  min-height:250px;
  display:flex;flex-direction:column;
  padding:26px;
  color:inherit;text-decoration:none;
  border-radius:22px;
  border:1px solid var(--border);
  background:var(--surface);
  box-shadow:var(--shadow);
  transition:.18s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:#d9b300;
  box-shadow:0 20px 55px rgba(15,23,42,.11);
}
.card-icon{
  width:54px;height:54px;border-radius:16px;
  display:grid;place-items:center;
  background:var(--yellow-pale);
  color:#8a6900;
  font-weight:900;
  font-size:1.25rem;
}
.card small{
  margin-top:20px;
  color:#8a6900;
  text-transform:uppercase;
  font-weight:850;
  letter-spacing:.07em;
}
.card h2{margin-top:12px}
.card p{color:var(--muted)}
.card span{
  margin-top:auto;
  color:var(--text);
  font-weight:800;
}
.footer{
  border-top:1px solid var(--border);
  background:#fff;
}
.footer-inner{
  padding:28px 0 40px;
  display:flex;justify-content:space-between;gap:18px;
  color:#6b7686;
  font-size:.9rem;
}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}
.footer a{color:#6b7686}
@media(max-width:820px){
  .header{position:relative}
  .header .inner{flex-direction:column;align-items:flex-start;padding:14px 0;gap:10px}
  .grid{grid-template-columns:1fr}
  .toc{position:relative;top:auto}
  .cards{grid-template-columns:1fr}
  .page{padding-top:28px}
  .footer-inner{flex-direction:column}
}
@media print{
  .header,.toc,.footer{display:none}
  body{background:#fff;color:#000}
  .page{padding:0;width:100%}
  .doc{background:#fff;border:0;box-shadow:none;padding:0}
  p,li,.meta{color:#222}
  h1,h2{color:#000}
}