*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333;background:#fff;padding:20px}
.container{max-width:1100px;margin:0 auto}
h1{font-size:2rem;margin-bottom:1rem;color:#111}
h2{font-size:1.5rem;margin:1.8rem 0 1rem}
h3{font-size:1.2rem;margin:1.2rem 0 .6rem}
p{margin-bottom:1rem}
ul{margin-left:1.2rem;margin-bottom:1rem}
.faq-item{margin-bottom:1rem;border-bottom:1px solid #eee;padding-bottom:1rem}
.faq-question{font-weight:bold;margin-bottom:.4rem}
.btn{display:inline-block;padding:10px 20px;background:#0066cc;color:#fff;text-decoration:none;border-radius:4px;margin-top:1rem}
.features{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:20px 0}
.feature-card{border:1px solid #eaeaea;padding:16px;border-radius:8px}
.cta-section {text-align: center;margin-top: 30px;}
header{margin-bottom:30px;text-align: center;}
footer{margin-top:30px;text-align: center;}