:root{--bg:#05070d;--panel:#0c121e;--line:rgba(90,150,255,.18);--text:#e8eef9;--muted:#9fb0c8;--acc:#2f8bff;--acc2:#5fb0ff}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);padding:16px 0}
header .wrap{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800}
.mark{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;font-size:11px;font-weight:800;color:#00111f;background:linear-gradient(135deg,#2f8bff,#00d5ff)}
.langs{margin-left:auto;display:flex;gap:6px}
.langs button{font:inherit;font-size:13px;font-weight:700;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:5px 12px;cursor:pointer}
.langs button.on{color:#fff;border-color:var(--acc)}
main{padding:34px 0 50px}
h1{font-size:clamp(26px,4vw,34px);line-height:1.2;margin:0 0 6px}
.upd{color:var(--muted);font-size:14px;margin:0 0 26px}
h2{font-size:19px;margin:30px 0 8px}
p,li{color:#cfd9ea}
ol,ul{padding-left:22px}
li{margin:4px 0}
a{color:var(--acc2)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:18px 0}
.card p{margin:4px 0}
footer{border-top:1px solid var(--line);padding:20px 0 30px;color:var(--muted);font-size:14px}
footer nav{display:flex;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}
[data-l]{display:none}
html[lang="ru"] [data-l="ru"],html:not([lang="ru"]) [data-l="en"]{display:block}