:root{--bg:#080b12;--text:#f5f7fb;--muted:#a1aabc;--line:rgba(255,255,255,.10);--accent:#67e8f9}
*{box-sizing:border-box}html{background:var(--bg);color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Apple SD Gothic Neo",Arial,sans-serif;line-height:1.72}
a{color:var(--accent)}.page{max-width:820px;margin:auto;padding:0 18px 56px}
header{height:66px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.055)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-size:14px;font-weight:900;letter-spacing:.06em}
.logo{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#67e8f9,#fff);color:#061018;font-weight:950}
main{padding-top:32px}.back{display:inline-block;margin-bottom:18px;color:#9aa5b5;text-decoration:none;font-size:12px}
h1{font-size:32px;line-height:1.2;letter-spacing:-.04em;margin:0 0 10px}.updated{color:#747f91;font-size:11px;margin:0 0 24px}
section{padding:19px 0;border-top:1px solid var(--line)}section:first-of-type{border-top:0}
h2{font-size:18px;letter-spacing:-.02em;margin:0 0 9px}p,li{font-size:13px;color:#bac3d0}
ul{padding-left:20px;margin:8px 0}.box{padding:14px 15px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);color:#b9c3cf;font-size:12px}
strong{color:#e7ecf4}footer{margin-top:28px;color:#596273;font-size:10px;text-align:center}
@media(min-width:720px){.page{padding:0 28px 70px}header{height:76px}main{padding-top:45px}h1{font-size:40px}p,li{font-size:14px}}