:root{--bg: #ffffff;--surface: #f6f7f9;--border: #e2e5ea;--text: #16181d;--muted: #5b6270;--accent: #1f6feb;--accent-weak: #e7f0ff;--danger: #b42318;--ok: #067647;--radius: 12px;--maxw: 760px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0d1117;--surface: #161b22;--border: #2a313c;--text: #e6edf3;--muted: #9aa4b2;--accent: #4c8dff;--accent-weak: #16233b;--danger: #ff7b72;--ok: #3fb950}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}header.site{border-bottom:1px solid var(--border)}header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none}.brand 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