:root {
  --bg: #ffffff;
  --fg: #1b1d21;
  --muted: #5f6672;
  --line: #e4e7ec;
  --accent: #3b5bdb;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --fg: #e8eaed; --muted: #9aa1ad; --line: #2a2e35; --accent: #8ea4ff; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.7;
}
main { max-width: 760px; margin: 0 auto; padding: 48px 16px 80px; }
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 32px; font-size: 15px; }
a { color: var(--accent); }
h1 { font-size: 28px; line-height: 1.3; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 40px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
h3 { font-size: 16px; margin: 24px 0 4px; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.lang { margin-top: 56px; }
ul { padding-left: 20px; }
footer { margin-top: 64px; color: var(--muted); font-size: 13px; }