*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#222;background:#f9f9f9;padding:20px}
.container{max-width:1000px;margin:0 auto;background:#fff;padding:30px 40px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
h1{font-size:28px;margin-bottom:10px;color:#111}
h2{font-size:22px;margin:28px 0 12px;color:#222}
h3{font-size:18px;margin:20px 0 8px}
p{margin-bottom:12px}
ul{margin-left:20px;margin-bottom:16px}
.features{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:20px 0}
.feature{background:#f3f8ff;padding:16px;border-radius:8px}
.faq-item{margin-bottom:16px}
.faq-question{font-weight:600;margin-bottom:4px}
.cta{display:inline-block;background:#0066cc;color:#fff;padding:12px 24px;border-radius:6px;text-decoration:none;font-weight:500;margin-top:12px}
.cta:hover{background:#0055aa}
.download{text-align:center;}
header{text-align:center;margin-bottom:30px}
footer{text-align:center;padding:30px 10px;color:#666;font-size:14px}