*{margin:0;padding:0;box-sizing:border-box}:root{--color-blue:#0284c7;--color-dark:#0c4a6e}body{font-family:-apple-system,sans-serif;line-height:1.6}header{background:var(--color-dark);color:white;padding:1.5rem 0}nav{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px}
.banner{background:linear-gradient(135deg,var(--color-blue),var(--color-dark));color:white;padding:5rem 2rem;text-align:center}section{padding:3rem 2rem;max-width:1200px;margin:0 auto}
.market-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin:2rem 0}.market-grid>div{background:#f1f5f9;padding:1.5rem;border-radius:8px}
.trend.up{color:#10b981;font-weight:bold}.trend.down{color:#ef4444;font-weight:bold}article{background:#f8fafc;padding:2rem;margin:1rem 0;border-left:4px solid var(--color-blue)}footer{background:#1e293b;color:white;text-align:center;padding:2rem}a{color:inherit}