:root{
  --night:#0e1e3e;
  --blue:#3083bb;
  --pink:#c6156a;
  --gold:#ffbd59;
  --grey:#c3c4c9;
  --white:#fffcfc;
  --ink:#18212f;
  --muted:#5f6878;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--white);color:var(--ink);line-height:1.65}
header.hero{background:linear-gradient(135deg,var(--night),#17345f);color:var(--white);padding:34px 0 28px}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
h1{margin:0 0 8px;font-size:2.1rem;line-height:1.12}
h2{margin:0 0 12px;color:var(--night);font-size:1.35rem;border-bottom:3px solid var(--gold);padding-bottom:8px}
h3{margin:18px 0 8px;color:var(--blue);font-size:1.05rem}
p,li{font-size:1rem}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.nav{background:#fff;border-bottom:1px solid #e8ebf0;position:sticky;top:0;z-index:5}
.nav .wrap{display:flex;gap:16px;flex-wrap:wrap;align-items:center;padding:12px 20px}
.nav a{font-weight:700;color:var(--night)}
.badge{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:6px 10px;border-radius:999px;margin-top:8px;font-size:.92rem}
main{padding:28px 0 54px}
.card{background:#fff;border:1px solid #e7eaef;border-radius:16px;padding:20px 22px;margin:18px 0;box-shadow:0 10px 30px rgba(14,30,62,.05)}
.note{background:#fff7e6;border-left:4px solid var(--gold);padding:14px 16px;border-radius:8px;margin:16px 0}
.warn{background:#fff1f6;border-left:4px solid var(--pink);padding:14px 16px;border-radius:8px;margin:16px 0}
.ok{background:#eef8ff;border-left:4px solid var(--blue);padding:14px 16px;border-radius:8px;margin:16px 0}
ul{padding-left:22px}
small,.meta{color:var(--muted)}
.placeholder{color:#b0005a;font-weight:700}
.kv dt{font-weight:700;color:var(--night)}
.kv dd{margin:0 0 12px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
footer{padding:28px 20px 50px;background:#f7f8fa;color:#556070;border-top:1px solid #e8ebf0}
code{background:#f2f4f8;padding:2px 6px;border-radius:6px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid #dde3ea;padding:10px 12px;vertical-align:top}
.table th{background:#f7f8fa;text-align:left}
ul.clean{list-style:none;padding-left:0}
ul.clean li{margin:8px 0}
hr.soft{border:0;border-top:1px solid #e8ebf0;margin:24px 0}
@media (max-width:760px){
  h1{font-size:1.8rem}
  .grid{grid-template-columns:1fr}
}