body{margin:0;font-family:Arial;background:#f5f7fa;color:#333;}
header{text-align:center;padding:20px;background:#fff;}
.logo{width:320px;margin-bottom:10px;}
.tagline{font-size:18px;font-weight:bold;color:#003d8f;}
.hero{text-align:center;padding:60px 20px;background:#e9f1ff;}
.hero .btn{padding:12px 24px;text-decoration:none;background:#0057d9;color:#fff;border-radius:5px;font-size:18px;border:none;cursor:pointer;}
.services{padding:40px 20px;text-align:center;}
.service-box{background:#fff;margin:15px auto;padding:25px;max-width:450px;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,0.1);}
.service-box ul{list-style:none;padding:0;}
.service-box ul li{margin:5px 0;}
.ebook-btn{display:block;margin-top:10px;padding:10px;background:#0073ff;color:white;text-decoration:none;border-radius:5px;}
.tips{text-align:center;padding:40px;background:#ffffff;}
.tips ul{list-style:none;padding:0;}
.tips ul li{font-size:18px;font-weight:bold;margin:10px 0;color:#002b5c;}
footer{text-align:center;padding:20px;background:#ddd;margin-top:20px;}