*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:16px;line-height:1.5;color:#333}h1,h2,h3{font-weight:700;margin-bottom:1rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:1.5rem}main{max-width:1200px;margin:0 auto;padding:2rem}section{margin-bottom:4rem}section:nth-child(odd){background-color:#f8f8f8;padding:3rem;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1)}section ul{list-style-type:none;padding-left:0}section li{margin-bottom:2rem}a.cta{display:inline-block;background-color:#007bff;color:#fff;text-decoration:none;padding:.75rem 1.5rem;border-radius:4px;transition:background-color .3s ease}a.cta:hover{background-color:#0056b3}@media (max-width:768px){main{padding:1rem}section:nth-child(odd){padding:2rem}}