:root{--bg:#f6f7fb;--card:#fff;--ink:#1d2433;--sub:#5b6475;--line:#e3e6ee;--acc:#2f6bff}
@media (prefers-color-scheme:dark){:root{--bg:#121417;--card:#1b1e23;--ink:#eceef2;--sub:#a3a9b5;--line:#2c3038;--acc:#7aa2ff}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;word-break:keep-all;overflow-wrap:anywhere}
header,main,footer{max-width:760px;margin:0 auto;padding:0 16px}header{padding-top:28px}header a{color:inherit;text-decoration:none;font-weight:700}
nav{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;margin-top:6px}nav a{color:var(--sub);text-decoration:none}
h1{font-size:28px;line-height:1.3;margin:28px 0 8px}h2{font-size:19px;margin:32px 0 8px}p,li{color:var(--ink)}.lead{color:var(--sub);font-size:17px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:14px 0}.card h2{margin-top:0}
a{color:var(--acc)}footer{color:var(--sub);font-size:13px;padding:40px 16px 48px}