:root{--bg:#f4f7fb;--surface:#fff;--surface-2:#f8fafc;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--brand:#2563eb;--brand-2:#7c3aed;--brand-soft:#eff6ff;--success:#16a34a;--warning:#f59e0b;--danger:#ef4444;--sidebar:#0b1220;--sidebar-2:#101a2f;--shadow:0 18px 45px rgba(15,23,42,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,rgba(37,99,235,.08),transparent 32%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}input,select,textarea{width:100%;border:1px solid var(--border);background:#fff;border-radius:14px;padding:12px 14px;color:var(--text);outline:none;transition:.18s ease}input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px 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