:root{--ink:#17191c;--muted:#666;--line:#d8d8d8;--surface:#fff;--accent:#df202b;--paper:#f5f5f5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:26px}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;font-size:16px;line-height:1.8;word-break:keep-all;letter-spacing:-.025em}.paper{max-width:1120px;margin:28px auto;background:var(--paper)}.wrap{width:calc(100% - 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