:root{--indigo-900:#1e1b4b;--indigo-700:#4338ca;--indigo-500:#6366f1;--violet-500:#8b5cf6;--cyan-500:#06b6d4;--sky-500:#0ea5e9;--emerald-500:#10b981;--amber-500:#f59e0b;--amber-300:#fbbf24;--rose-500:#f43f5e;--slate-900:#0f172a;--slate-800:#1e293b;--slate-700:#334155;--slate-600:#475569;--slate-500:#64748b;--slate-300:#cbd5e1;--slate-200:#e2e8f0;--slate-100:#f1f5f9;--white:#fff}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:linear-gradient(180deg,#f8fbff,#fff);color:#1e293b;color:var(--slate-800);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft JhengHei,Noto Sans 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