*{box-sizing:border-box}
body{
  margin:0;
  font-family:Arial,sans-serif;
  background:linear-gradient(135deg,#eef2ff,#f8fafc);
  color:#111827;
}
.wrapper{
  max-width:1000px;
  margin:0 auto;
  padding:60px 20px;
}
h1{
  margin:0 0 12px;
  font-size:40px;
}
.sub{
  margin:0 0 30px;
  font-size:18px;
  line-height:1.6;
}
.card-wrap{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
}
.card{
  background:#fff;
  border-radius:16px;
  padding:24px;
  box-shadow:0 10px 25px rgba(0,0,0,.08);
}
.card h2{
  margin:0 0 12px;
}
.card p{
  margin:0 0 18px;
  line-height:1.6;
}
.card a{
  display:inline-block;
  text-decoration:none;
  background:#2563eb;
  color:#fff;
  padding:12px 18px;
  border-radius:10px;
}
.card a:hover{background:#1d4ed8}