*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563EB;--primary-dark:#1D4ED8;--primary-light:#EFF6FF;--text:#0F172A;--text-secondary:#475569;--text-tertiary:#94A3B8;--border:#E2E8F0;--bg:#FFFFFF;--bg-secondary:#F8FAFC;--success:#16A34A;--radius:16px;--shadow:0 1px 3px rgba(0,0,0,0.07),0 4px 16px rgba(0,0,0,0.06);--shadow-lg:0 8px 32px rgba(37,99,235,0.12),0 2px 8px rgba(0,0,0,0.06)}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}