:root{--brand:#116cb6;--bg:#f4f6fa;--card:#fff;--ink:#0f172a;--mute:#64748b;--line:#e2e8f0;--acc:#f59e0b;--ok:#16a34a;--bad:#dc2626;--L:#8b5a2b;--N:#2563eb}
@media (prefers-color-scheme:dark){:root{--brand:#5aa3e0;--bg:#0b1120;--card:#131c2e;--ink:#e5e7eb;--mute:#94a3b8;--line:#243047;--acc:#fbbf24;--L:#c08552;--N:#60a5fa}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
header.top{position:sticky;top:0;z-index:30;background:var(--card);border-bottom:1px solid var(--line)}
.bar{max-width:1100px;margin:auto;min-height:max(64px,10vh);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px}
.brand{display:flex;align-items:center;gap:12px;color:var(--brand);text-decoration:none;min-width:0}.logo{height:26px;width:auto;display:block;flex:none}
.prod{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--ink);border-left:2px solid var(--line);padding-left:10px;text-transform:uppercase;white-space:nowrap}
.btn{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:8px 16px;font:inherit;font-size:14px;text-decoration:none;white-space:nowrap}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}
@media(max-width:480px){.logo{height:19px}.prod{font-size:9.5px;letter-spacing:.1em;padding-left:9px;white-space:normal;line-height:1.3;max-width:15ch}.btn{padding:7px 12px;font-size:13px}}
.doc{max-width:820px;margin:auto;padding:28px 16px 8px}
.doc h1{font-size:clamp(26px,5vw,36px);line-height:1.15;margin:0 0 8px;letter-spacing:-.02em}
.doc h2{font-size:21px;margin:34px 0 8px}.doc h3{font-size:17px;margin:22px 0 4px}
.lead{color:var(--mute);font-size:18px;margin:0 0 20px}
.doc a{color:var(--brand)}.muted{color:var(--mute);font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.note{border-left:4px solid var(--acc);background:color-mix(in srgb,var(--acc) 10%,var(--card));border-radius:10px;padding:12px 14px;margin:16px 0;font-size:15px}
.note.safe{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 8%,var(--card))}
ol.steps{list-style:none;counter-reset:s;padding:0;margin:24px 0;display:grid;gap:16px}
ol.steps>li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;display:grid;grid-template-columns:52px 1fr;gap:4px 14px}
ol.steps>li::before{content:counter(s);grid-row:1/span 3;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:20px;display:grid;place-items:center}
ol.steps h3{margin:6px 0 2px}ol.steps p{margin:0 0 6px}
ol.steps figure{grid-column:2;margin:8px 0 0;background:var(--bg);border-radius:12px;padding:10px}
ol.steps figure svg{width:100%;height:auto;display:block;max-height:240px}
ol.steps figcaption{font-size:13px;color:var(--mute);text-align:center;margin-top:4px}
@media(max-width:560px){ol.steps>li{grid-template-columns:1fr}ol.steps>li::before{grid-row:auto;width:36px;height:36px;font-size:17px}ol.steps figure{grid-column:1}}
svg text{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 0}.toc a{font-size:14px;text-decoration:none;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:5px 12px;color:var(--ink)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:14px 0}
dl.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}dl.kv dt{color:var(--mute)}dl.kv dd{margin:0}
table.t{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0}table.t th,table.t td{text-align:left;border-bottom:1px solid var(--line);padding:8px 6px;vertical-align:top}table.t th{color:var(--mute);font-weight:600;font-size:13px}