:root{--brand-50:#eef4fd;--brand-100:#dce8fb;--brand-200:#bcd3f7;--brand-300:#8fb4f1;--brand-400:#5a8eea;--brand-500:#2563eb;--brand-600:#1d56d6;--brand-700:#1a45ad;--bg:#f2f3f5;--surface:#fff;--surface-2:#f7f8fa;--press:#f0f1f3;--text:#1a1a1f;--text-2:#4a4d57;--text-muted:#8a8f9a;--text-subtle:#b0b4bd;--border:#e6e7ea;--border-strong:#d9dbe0;--hairline:#0000000f;--success:#07c160;--success-bg:#e8f7ee;--success-tx:#0a9a52;--warning:#fa9d3b;--warning-bg:#fdf2e3;--warning-tx:#b9700c;--danger:#fa5151;--danger-bg:#fdecec;--danger-tx:#c93434;--r-xs:6px;--r-sm:8px;--r-md:10px;--r-lg:14px;--r-pill:999px;--shadow-pop:0 8px 30px #0000001f, 0 2px 8px #0000000f;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe 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