:root{--background:#fff;--foreground:#0f172a;--card:#fff;--card-foreground:#0f172a;--muted:#f8fafc;--muted-foreground:#64748b;--popover:#fff;--primary:#0f172a;--primary-foreground:#f8fafc;--secondary:#f1f5f9;--secondary-foreground:#0f172a;--accent:#f1f5f9;--accent-foreground:#0f172a;--destructive:#dc2626;--border:#e2e8f0;--input:#e2e8f0;--ring:#94a3b8;--sidebar:#fbfdff;--surface:#fcfdff;--radius:8px;--success:#15803d;--warning:#b45309;--info:#0369a1;font-family:"Microsoft YaHei","PingFang SC","Segoe 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