*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,sans-serif;line-height:1.6;color:#333;background:#f9f9f9;padding:20px}
.container{max-width:1100px;margin:0 auto;background:#fff;padding:30px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.08)}
h1{color:#222;margin-bottom:10px;font-size:28px}
h2{color:#222;margin:25px 0 15px;font-size:22px;border-bottom:1px solid #eee;padding-bottom:8px}
h3{margin:20px 0 10px;font-size:18px;color:#333}
p{margin-bottom:12px}
ul{margin-left:20px;margin-bottom:15px}
.features{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:15px;margin:20px 0}
.feature-box{background:#f6f8fa;padding:15px;border-radius:6px}
.faq-item{margin-bottom:15px}
.faq-question{font-weight:bold;color:#222}
.download{text-align:center;margin-top:30px;padding:15px;background:#eef6ff;border-radius:8px}
.btn{display:inline-block;padding:12px 24px;background:#005fcc;color:#fff;text-decoration:none;border-radius:6px;font-weight:600;margin-top:10px}
.btn:hover{background:#004d99}
header{text-align:center;}
footer{text-align:center;padding:35px 0;margin-top:40px}
footer p{font-size:15px}