@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{color-scheme:light;--bg: #ffffff;--bg-elev: #f8fafc;--text: #0f172a;--text-muted: #64748b;--border: #e5e7eb;--accent: #2563eb;--code-bg: #f6f8fa;--code-border: #e5e7eb;--code-bg-top: #f8fafc;--code-bg-bottom: #f3f6f9;--code-shadow: 0 10px 24px rgba(15, 23, 42, .05);--inline-code-bg: #eef2ff;--bg-grad-1: #f4f7fb;--bg-grad-2: #fbfcfe;--header-bg: rgba(255, 255, 255, .82);--surface-soft: #ffffff;--surface-accent-soft: color-mix(in srgb, var(--accent) 4%, var(--bg) 96%);--surface-accent-strong: color-mix(in srgb, var(--accent) 8%, var(--bg) 92%);--border-soft: color-mix(in srgb, var(--border) 85%, transparent 15%);--border-faint: color-mix(in srgb, var(--border) 65%, transparent 35%);--shadow-strong: rgba(15, 23, 42, .06);--toc-bg: color-mix(in srgb, var(--bg) 94%, var(--bg-elev) 6%);--toc-shadow: 0 8px 20px rgba(15, 23, 42, .04);--toggle-bg: 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var(--bg-elev) 92%);--border-soft: color-mix(in srgb, var(--text) 10%, transparent 90%);--border-faint: color-mix(in srgb, var(--text) 5%, transparent 95%);--shadow-strong: rgba(0, 0, 0, .2);--toc-bg: rgba(18, 21, 27, .82);--toc-shadow: none;--toggle-bg: color-mix(in srgb, var(--bg-elev) 78%, var(--bg) 22%);--toggle-thumb: #f4f7fb;--toggle-icon: color-mix(in srgb, var(--text-muted) 86%, var(--text) 14%);--toggle-knob-icon: #0f172a;--toggle-knob-shadow: 0 1px 2px rgba(15, 23, 42, .15), 0 6px 14px rgba(0, 0, 0, .2)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 600px at 20% -10%,var(--bg-grad-1) 0%,transparent 55%),radial-gradient(900px 600px at 100% 0%,var(--bg-grad-2) 0%,transparent 60%),var(--bg);color:var(--text);text-rendering:optimizeLegibility;transition:background-color .18s ease,color .18s ease}a{color:var(--text);text-decoration:none}a:hover{color:var(--accent)}main{padding:48px 20px 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