:root{color-scheme:light;--color-bg: #edf2ff;--color-body-gradient-start: #fdfbfb;--color-body-gradient-end: #e2e8f0;--color-nav-bg: #ffffff;--color-surface: #ffffff;--color-surface-alt: #f8fafc;--color-border: #e2e8f0;--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-muted: #94a3b8;--color-avatar-bg: #e2e8f0}:root[data-theme=dark]{color-scheme:dark;--color-bg: #09090b;--color-body-gradient-start: #09090b;--color-body-gradient-end: #18181b;--color-nav-bg: #151516;--color-surface: #18181b;--color-surface-alt: #232326;--color-border: #2f2f33;--color-text-primary: #fafafa;--color-text-secondary: #d4d4d8;--color-text-muted: #a1a1aa;--color-avatar-bg: #232326}:root{font-family:PingFang SC,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,Segoe 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