*{box-sizing:border-box;margin:0;padding:0;font-family:system-ui,Segoe UI,Roboto,sans-serif}
body{line-height:1.6;color:#333;background:#fff;padding:20px}
.container{max-width:1100px;margin:0 auto}
header{text-align:center;margin-bottom:30px}
h1{font-size:2.2rem;color:#111;margin-bottom:10px}
h2{font-size:1.6rem;margin:28px 0 12px;color:#222}
h3{font-size:1.25rem;margin:20px 0 10px}
p{margin-bottom:12px}
ul{margin-left:20px;margin-bottom:16px}
.feature-box{background:#f7f9fc;padding:16px 20px;border-radius:8px;margin-bottom:16px}
.faq-item{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #eee}
.faq-question{font-weight:600;margin-bottom:6px}
.cta{display:inline-block;background:#0066cc;color:#fff;padding:12px 24px;border-radius:6px;text-decoration:none;font-weight:600;margin-top:12px}
.cta:hover{background:#0055aa}
.download{text-align:center;}
footer{text-align:center;padding:30px 10px;color:#666;font-size:14px}