:root{--fg:#1f2328;--muted:#5b6470;--line:#e5e7eb;--brand:#0f766e;--bg:#fff}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;color:var(--fg);background:var(--bg);line-height:1.7;word-break:keep-all;overflow-wrap:anywhere}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fffffff2;backdrop-filter:blur(6px)}
.top .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;padding:12px 20px}
.brand{font-weight:800;color:var(--brand);text-decoration:none;font-size:18px}
nav{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:14px}
nav a{color:var(--muted);text-decoration:none}nav a[aria-current=page]{color:var(--fg);font-weight:700}
main{padding:28px 20px 48px}
h1{font-size:24px;margin:0 0 6px}h2{font-size:17px;margin:28px 0 8px}
.meta{color:var(--muted);font-size:14px;margin:0 0 20px}
p{margin:6px 0}a{color:var(--brand)}
.toc{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:0 0 12px;font-size:14px}
.toc summary{cursor:pointer;font-weight:700}.toc ol{margin:8px 0 0;padding-left:20px}
.cards{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:16px 0}
.card{border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.card h3{margin:0 0 4px;font-size:15px}.card p{margin:0;color:var(--muted);font-size:14px}
.card .v{color:var(--fg);font-weight:700;font-size:16px}
.faq dt{font-weight:700;margin-top:16px}.faq dd{margin:4px 0 0}
.foot{border-top:1px solid var(--line);background:#f8fafc;color:var(--muted);font-size:13px}
.foot .wrap{padding:20px}
.foot dl{margin:0;display:grid;gap:2px}.foot dl div{display:flex;gap:8px}.foot dt{min-width:118px;font-weight:600}.foot dd{margin:0}
@media (prefers-color-scheme:dark){:root{--fg:#e6edf3;--muted:#9da7b3;--line:#30363d;--bg:#0d1117;--brand:#2dd4bf}.top{background:#0d1117f2}.foot{background:#161b22}}