.container.narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 16px;
}

.subtext {
  color: #555;
  margin-bottom: 16px;
}

.search {
  display: flex;
  gap: 12px;
  margin-bottom: 22px;
}

.search input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.ex-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.ex-card {
  display: block;
  padding: 16px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  text-decoration: none;
  color: #111;
  transition: 0.2s ease;
}

.ex-card:hover {
  background: #f0f6ff;
  border-color: #2563eb;
}

.count {
  color: #555;
  font-size: 0.9rem;
}