:root{--bg: #f5f5f7;--surface: #ffffff;--fg: #000000;--muted: #6e6e73;--border: #d2d2d7;--accent: #0071e3;--accent-secondary: #0066cc;--bg-dark: #000000;--surface-dark: #272729;--fg-dark: #f5f5f7;--muted-dark: #6e6e73;--border-dark: #6e6e73;--font: system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "IBM Plex Mono", Menlo, monospace;--radius: 8px;--baseline: 8px;--max-width: 1200px;--nav-height: 52px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:var(--font);color:var(--fg);background:var(--bg);line-height:1.6;overflow-x:hidden}img{max-width:100%;display:block}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-secondary)}a:focus-visible{outline:2px solid 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