* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f7fb;
  color: #1f2937;
}
.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px;
}
h1 { margin-top: 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.card {
  display: block;
  padding: 20px;
  background: #fff;
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
button {
  margin-top: 20px;
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  background: #0b57d0;
  color: #fff;
  cursor: pointer;
}