:root{
  --bg:#0f0f12;
  --panel:#1a191c;
  --panel-2:#141318;
  --text:#e9e9ee;
  --muted:#b9b9c4;
  --border:rgba(255,255,255,.10);
  --border-2:rgba(255,255,255,.14);
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --radius:16px;
  --radius-sm:12px;
  --max:1040px;
  --accent:#ff7a18;
  --accent-2:#ffb86b;
  --link:#8ab4ff;
  --focus:rgba(255,122,24,.35);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:var(--sans);
  background: #000000;
  color:var(--text);
  line-height:1.55;
}

a{ color:inherit; text-decoration:none; }
a.inline{ color:var(--link); text-decoration:underline; text-underline-offset: 3px; }
a.inline:hover{ opacity:.9; }

.container{
  max-width:var(--max);
  margin:0 auto;
  padding:22px 18px 46px;
}

.skip{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;height:1px;
  overflow:hidden;
}
.skip:focus{
  left:18px; top:12px;
  width:auto;height:auto;
  padding:10px 12px;
  background:var(--panel);
  border:1px solid var(--border-2);
  border-radius:10px;
  box-shadow:var(--shadow);
  outline:2px solid var(--focus);
  z-index:9999;
}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background:rgba(15,15,18,.70);
  border-bottom:1px solid var(--border);
}

.topbar .inner{
  max-width:var(--max);
  margin:0 auto;
  padding:12px 18px;
  display:flex;
  align-items:center;
  gap:14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.brand:hover{ border-color:var(--border); background:rgba(255,255,255,.03); }

.logo{
  width:28px;height:28px;
  border-radius:10px;
  background: linear-gradient(135deg, rgba(255,122,24,.95), rgba(255,184,107,.9));
  box-shadow:0 10px 30px rgba(255,122,24,.25);
}
.brand .name{
  font-weight:800;
  letter-spacing:.2px;
}
.brand .sub{
  color:var(--muted);
  font-size:12px;
  margin-top:-2px;
}

.nav{
  margin-left:auto;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  justify-content:flex-end;
}

.nav a{
  font-size:13px;
  color:var(--muted);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
  background:transparent;
}
.nav a:hover{
  color:var(--text);
  border-color:var(--border);
  background:rgba(255,255,255,.03);
}
.nav a.active{
  color:var(--text);
  border-color: rgb(162 162 162 / 28%);
  background: rgb(42 42 42);
}

.hero{
  margin-top:18px;
  background: #1a191c;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}

.hero h1{
  margin:0;
  font-size:28px;
  letter-spacing:.2px;
}
.hero p{
  margin:8px 0 0;
  color:var(--muted);
  max-width:75ch;
}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding:8px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-size:12px;
}
.badge b{ color:var(--text); font-weight:700; }

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
  margin-top:14px;
}
@media (min-width: 920px){
  .grid{ grid-template-columns: 280px 1fr; }
}

.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.card .head{
  padding:16px 18px;
  border-bottom: 1px solid var(--border);
}

.card .head h2{
  margin:0;
  font-size:16px;
}
.card .head p{
  margin:6px 0 0;
  font-size:13px;
  color:var(--muted);
}
.card .body{
  padding:18px;
}

.toc{
  position:sticky;
  top:76px;
}
.toc a{
  display:block;
  padding:10px 12px;
  border-radius:12px;
  color:var(--muted);
  border:1px solid transparent;
}
.toc a:hover{
  color:var(--text);
  border-color:var(--border);
  background:rgba(255,255,255,.03);
}
.toc a small{ color:var(--muted); }

.content h2{
  margin:22px 0 10px;
  font-size:18px;
}
.content h3{
  margin:18px 0 8px;
  font-size:15px;
  color:var(--text);
}
.content p, .content li{
  color:var(--text);
}
.content p.muted{
  color:var(--muted);
}
.content ul{
  padding-left:18px;
}
.content code{
  font-family:var(--mono);
  font-size: 12.5px;
  padding:2px 6px;
  border-radius:8px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
}
hr.sep{
  border:0;
  border-top:1px solid var(--border);
  margin:22px 0;
}

.notice{
  border:1px solid rgba(138,180,255,.25);
  background:rgba(138,180,255,.08);
  padding:14px 14px;
  border-radius:14px;
  color:var(--text);
}
.notice strong{ color:var(--text); }
.notice p{ margin:6px 0 0; color:var(--muted); }

.footer{
  margin-top:20px;
  color:var(--muted);
  font-size:12px;
  text-align:center;
}
.footer a{ color:var(--muted); text-decoration:underline; text-underline-offset:3px; }
h2[id] {
    scroll-margin-top: 25px; /* Например, если шапка 80px */
}