:root{
  --bg:#07070a; --card:#111119; --line:#232331; --line2:#33334a;
  --text:#ecebf2; --muted:#a5a3b4; --faint:#6f6d80;
  --green:#21d366; --hot:#86efac;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--hot);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}

header.lh{border-bottom:1px solid var(--line);padding:20px 0;position:sticky;top:0;background:rgba(7,7,10,.8);backdrop-filter:blur(14px);z-index:10}
header.lh .wrap{display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.mark{width:28px;height:28px;border-radius:8px;border:1px solid rgba(33,211,102,.5);
  background:linear-gradient(145deg,rgba(33,211,102,.9),rgba(14,140,74,.82));display:grid;place-items:center;font-size:14px}
.back{margin-left:auto;font-size:14px;color:var(--muted)}
.back:hover{color:var(--text)}

main{padding:46px 0 76px}
.draft{background:rgba(33,211,102,.08);border:1px solid rgba(33,211,102,.32);color:var(--hot);
  border-radius:12px;padding:13px 16px;font-size:13.5px;line-height:1.55;margin-bottom:30px}
h1{font-size:clamp(28px,5vw,36px);letter-spacing:-.02em;margin-bottom:6px}
.updated{color:var(--faint);font-size:13.5px;margin-bottom:30px}
h2{font-size:19px;letter-spacing:-.01em;margin:30px 0 8px;color:var(--text)}
p,li{color:var(--muted);font-size:15px;margin-bottom:10px}
ul{padding-left:20px;margin-bottom:10px}
li{margin-bottom:6px}
strong{color:var(--text);font-weight:600}
.toc{display:flex;gap:14px;flex-wrap:wrap;font-size:13.5px;margin-bottom:30px}
.toc a{color:var(--muted)}

footer.lf{border-top:1px solid var(--line);padding:26px 0;color:var(--faint);font-size:13px}
footer.lf .wrap{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
footer.lf a{color:var(--faint)}
footer.lf .sp{margin-left:auto}