:root{--ink:#17132b;--muted:#5b5670;--line:#e6e1f5;--accent:#6d28d9;--bg:#f6f3ff;--card:#fff}
@media (prefers-color-scheme:dark){:root{--ink:#ece9f7;--muted:#b3adc8;--line:#2f2850;--accent:#b39dff;--bg:#130d27;--card:#1c1536}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;padding:24px 16px 48px}
.doc{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 32px}
.back{display:inline-block;margin-bottom:12px;color:var(--accent);font-weight:700;text-decoration:none}
h1{font-size:clamp(22px,3.4vw,30px);line-height:1.25;margin:0 0 6px}
h2{font-size:18px;margin:26px 0 8px}
p,li{color:var(--ink)}
ul{padding-left:20px;margin:8px 0}
li{margin:4px 0}
.meta{color:var(--muted);font-size:14px;margin:0 0 8px}
a{color:var(--accent)}
@media (max-width:600px){.doc{padding:20px 18px;border-radius:16px}}