:root{color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:#070b16;color:#cbd5e1;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 20px 80px}
a{color:#34d399}
h1{color:#fff;font-size:30px;line-height:1.2;margin:24px 0 8px}
h2{color:#fff;font-size:20px;margin:36px 0 8px}
.top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px}
.top a{text-decoration:none;font-weight:600}
.muted{color:#64748b;font-size:14px}
.box{background:#0f172a;border:1px solid #1e293b;border-radius:14px;padding:16px 18px;margin:18px 0}
details{background:#0f172a;border:1px solid #1e293b;border-radius:12px;padding:12px 16px;margin:10px 0}
summary{cursor:pointer;color:#fff;font-weight:600}
details p{margin:10px 0 2px}
ul{padding-left:22px}
footer{margin-top:48px;padding-top:16px;border-top:1px solid #1e293b;font-size:14px;display:flex;gap:16px;flex-wrap:wrap}
.en{margin-top:48px;padding-top:8px;border-top:1px dashed #334155}