:root{color-scheme:light;--ink:#1d232d;--muted:#66717f;--line:#dde3eb;--bg:#f6f7fa;--card:#fff;--accent:#f7b316;--accent2:#ef4236}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:#1d4ed8;text-decoration-thickness:1px;text-underline-offset:3px}
.wrap{width:min(920px,calc(100% - 32px));margin:0 auto;padding:34px 0 40px}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:900;text-decoration:none}
.mark{width:38px;height:38px;border-radius:10px;background:var(--accent);display:grid;place-items:center;color:#1d232d;font-weight:900;font-size:24px;box-shadow:4px 4px 0 #1d232d}
.langs{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.langs button{border:2px solid var(--line);background:#fff;border-radius:999px;padding:6px 10px;font-weight:800;cursor:pointer}
.langs button.on{border-color:#1d232d;background:#1d232d;color:#fff}
main{background:var(--card);border:2px solid var(--line);border-radius:8px;padding:30px;box-shadow:6px 6px 0 rgba(29,35,45,.12)}
h1{margin:0 0 8px;font-size:clamp(28px,4vw,42px);line-height:1.08;letter-spacing:0}
.lead{margin:0 0 22px;color:var(--muted);font-size:1.02rem}
h2{margin:24px 0 8px;font-size:1.12rem}
p,li{font-size:.98rem}
ul{padding-left:20px}
.note{margin-top:22px;padding:14px 16px;border-left:4px solid var(--accent2);background:#fff7f6;color:#3b2b2a}
.lang-panel{display:none}
.lang-panel.active{display:block}
.foot{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between;color:var(--muted);font-size:.84rem}
.foot nav{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:620px){.wrap{width:min(100% - 22px,920px);padding-top:20px}.top{align-items:flex-start;flex-direction:column}main{padding:22px;box-shadow:4px 4px 0 rgba(29,35,45,.12)}}