:root{--bg: oklch(.98 .004 236.5);--surface: oklch(.997 .002 247.8);--fg: oklch(.279 .037 260);--muted: oklch(.54 .044 255.7);--border: oklch(.927 .014 248);--accent: oklch(.522 .191 264.4);--accent-soft: color-mix(in oklch, var(--accent) 14%, transparent);--fg-soft: color-mix(in oklch, var(--fg) 6%, transparent);--font-display: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-mono: ui-monospace, "SF Mono", Consolas, monospace;--radius: 8px;--radius-lg: 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