*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1f2d3d;--primary-dark: #2f4258;--primary-light: #eaf6f2;--accent: #2fbf9b;--accent-dark: #189a7b;--text: #1f2d3d;--text-muted: #666f7a;--bg: #fbfaf7;--bg-gray: #f6f1e8;--border: #e7e1d8;--radius: 10px;--shadow: 0 12px 30px rgba(31, 45, 61, .08);--shadow-hover: 0 6px 24px rgba(31, 45, 61, .16);--font: "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;--max-w: 1100px}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}ul{list-style:none}.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 8px 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