:root{color-scheme:light;--site-shell-max:1380px;--site-shell-gutter:clamp(1.1rem, 3.8vw, 3.75rem);--site-content-rail:max(var(--site-shell-gutter), calc((100vw - var(--site-shell-max)) / 2 + 3.75rem));--bg-main:#f1f0ea;--bg-elevated:#f8f7f2;--bg-subtle:#e8e6de;--border-subtle:#19191826;--border-strong:#19191861;--accent:#191918;--accent-soft:#1919180e;--accent-contrast:#f4f2ea;--text-main:#191918;--text-muted:#6f6e68;--font-display:"SF Pro Display", "Aptos Display", "Segoe UI Variable Display", "PingFang SC", "Noto Sans SC", "Microsoft YaHei UI", sans-serif;--font-body:"SF Pro Text", "Segoe UI Variable Text", "Aptos", "PingFang SC", "Noto Sans SC", "Microsoft YaHei UI", sans-serif;--font-mono:"SFMono-Regular", "Roboto Mono", Consolas, monospace;--type-scale-display:clamp(2.25rem, 3.25vw, 3.25rem);--type-scale-level:clamp(1.55rem, 2vw, 2rem);--type-scale-heading:clamp(1.3rem, 1.6vw, 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var(--text-main) 7%, transparent);--modal-control-surface:color-mix(in srgb, var(--bg-elevated) 84%, #fff 16%);--modal-shadow:0 1.5rem 4rem #14131033, 0 .25rem 1rem #14131014;--modal-blur:blur(22px) saturate(120%);--shadow-pill-action:0 1px 3px #0000001a;--shadow-pill-action-hover:0 2px 8px #00000024}@media (prefers-color-scheme:dark){:root{--bg-main:#10100f;--bg-elevated:#191918;--bg-subtle:#161615;--border-subtle:#f4f2ea29;--border-strong:#f4f2ea66;--accent:#f4f2ea;--accent-soft:#f4f2ea11;--accent-contrast:#191918;--text-main:#f1efe7;--text-muted:#98968f;color-scheme:dark;--shadow-card:0 1px 0 #ffffff0f;--shadow-card-hover:0 1.1rem 3rem #00000047;--shadow-popover:0 18px 40px #0000005c;--shadow-dialog:0 24px 48px #ffffff24;--modal-backdrop:#0000009e;--nav-frost-surface:#0808077a;--nav-frost-filter:blur(28px) brightness(52%) saturate(92%);--modal-surface:color-mix(in srgb, var(--bg-elevated) 88%, transparent);--modal-divider:color-mix(in srgb, var(--text-main) 10%, 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