:root{
    --bg:#0d1117; --panel:#151b23; --panel2:#1b232d; --line:#2a3441;
    --ink:#e6edf3; --dim:#9aa7b4; --dimmer:#6e7d8c;
    --acc:#4c9aff; --acc2:#7c5cff;
    --ok:#3fb950; --warn:#d29922; --bad:#f85149; --info:#39a0d0;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--ink);
    font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
    -webkit-font-smoothing:antialiased}
  .wrap{max-width:1180px;margin:0 auto;padding:0 24px 120px}

  header.hero{padding:56px 0 34px;border-bottom:1px solid var(--line);margin-bottom:34px}
  .eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);font-weight:700}
  h1{font-size:clamp(28px,4.2vw,44px);line-height:1.12;margin:12px 0 14px;letter-spacing:-.02em;font-weight:800}
  .sub{color:var(--dim);font-size:17px;max-width:78ch}
  .meta{margin-top:18px;font-size:13px;color:var(--dimmer);display:flex;gap:18px;flex-wrap:wrap}

  nav.toc{position:sticky;top:0;z-index:50;background:rgba(13,17,23,.93);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);margin:0 -24px 40px;padding:11px 24px;display:flex;gap:8px;
    overflow-x:auto;scrollbar-width:thin}
  nav.toc a{color:var(--dim);text-decoration:none;font-size:12.5px;font-weight:600;white-space:nowrap;
    padding:6px 11px;border-radius:6px;border:1px solid transparent}
  nav.toc a:hover{color:var(--ink);background:var(--panel2);border-color:var(--line)}

  section{margin:0 0 58px;scroll-margin-top:70px}
  h2{font-size:26px;margin:0 0 6px;letter-spacing:-.01em;font-weight:800;display:flex;align-items:baseline;gap:12px}
  h2 .num{color:var(--acc);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
  h2 + .lede{color:var(--dim);margin:0 0 24px;max-width:82ch;font-size:15.5px}
  h3{font-size:18px;margin:32px 0 10px;font-weight:700;letter-spacing:-.005em}
  h4{font-size:14px;margin:22px 0 8px;font-weight:700;color:var(--dim);text-transform:uppercase;letter-spacing:.07em}
  p{margin:0 0 14px}
  ul,ol{margin:0 0 16px;padding-left:22px}
  li{margin:0 0 7px}
  a{color:var(--acc)}
  code{background:var(--panel2);padding:2px 6px;border-radius:4px;font-size:13px;
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#a5d6ff;border:1px solid var(--line)}

  .badge{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
    padding:3px 8px;border-radius:4px;vertical-align:middle;margin-right:6px;white-space:nowrap}
  .b-official{background:rgba(63,185,80,.14);color:var(--ok);border:1px solid rgba(63,185,80,.32)}
  .b-tested{background:rgba(76,154,255,.14);color:var(--acc);border:1px solid rgba(76,154,255,.32)}
  .b-survey{background:rgba(124,92,255,.15);color:#a48bff;border:1px solid rgba(124,92,255,.34)}
  .b-anec{background:rgba(210,153,34,.14);color:var(--warn);border:1px solid rgba(210,153,34,.32)}
  .b-myth{background:rgba(248,81,73,.13);color:var(--bad);border:1px solid rgba(248,81,73,.32)}

  .card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px 22px;margin:18px 0}
  .card.warn{border-left:3px solid var(--warn)}
  .card.bad{border-left:3px solid var(--bad)}
  .card.ok{border-left:3px solid var(--ok)}
  .card.acc{border-left:3px solid var(--acc)}
  .card h4{margin-top:0}
  .card p:last-child,.card ul:last-child{margin-bottom:0}

  .verdict{background:linear-gradient(135deg,rgba(76,154,255,.09),rgba(124,92,255,.06));
    border:1px solid rgba(76,154,255,.28);border-radius:10px;padding:18px 22px;margin:20px 0}
  .verdict .lbl{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);font-weight:800;
    display:block;margin-bottom:7px}
  .verdict p{margin:0;font-size:16.5px;font-weight:600;line-height:1.55}

  table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;display:block;overflow-x:auto}
  th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
  th{background:var(--panel2);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--dim)}
  tbody tr:nth-child(even){background:rgba(255,255,255,.017)}
  td strong{color:#fff}

  .dodont{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
  @media(max-width:760px){.dodont{grid-template-columns:1fr}}
  .do,.dont{border-radius:10px;padding:18px 20px;border:1px solid var(--line)}
  .do{background:rgba(63,185,80,.055);border-color:rgba(63,185,80,.26)}
  .dont{background:rgba(248,81,73,.05);border-color:rgba(248,81,73,.26)}
  .do h4{color:var(--ok);margin-top:0}
  .dont h4{color:var(--bad);margin-top:0}
  .do ul,.dont ul{margin:0;padding-left:19px;font-size:14.5px}

  .kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:20px 0}
  .kpi div{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:15px}
  .kpi b{display:block;font-size:25px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.1}
  .kpi span{display:block;font-size:12px;color:var(--dim);margin-top:5px;line-height:1.4}

  .quote{border-left:3px solid var(--acc2);padding:2px 0 2px 18px;margin:16px 0;color:var(--dim);font-style:italic}
  .quote cite{display:block;font-style:normal;font-size:12.5px;color:var(--dimmer);margin-top:7px}

  ol.steps{counter-reset:s;list-style:none;padding-left:0}
  ol.steps>li{counter-increment:s;position:relative;padding-left:40px;margin-bottom:14px}
  ol.steps>li::before{content:counter(s);position:absolute;left:0;top:1px;width:26px;height:26px;
    background:var(--acc);color:#04101f;border-radius:6px;display:flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:800}

  .srcs{font-size:12.5px;color:var(--dimmer);border-top:1px dashed var(--line);padding-top:12px;margin-top:22px}
  .srcs a{color:#6ba6e8;text-decoration:none}
  .srcs a:hover{text-decoration:underline}

  footer{border-top:1px solid var(--line);margin-top:60px;padding-top:24px;color:var(--dimmer);font-size:13px}