body {
  background-color: #f7f7f7;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  margin: 0;
}

main {
  position: relative;
  top: 100px; /* espaço para o header fixo */
  width: 100%;
  padding: 40px 20px;
  display: flex;
  justify-content: center;
}

main .principal {
  position: relative;
  width: 80%;
    min-height: 500px;
    border-radius: 10px;
    margin-bottom: 80px;
    padding: 20px;
  background-color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

main .principal .card {
  width: 100%;
  padding: 16px 12px;
  border-bottom: 1px solid rgba(128, 128, 128, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

main .principal .card:last-child {
  border-bottom: none;
}

main .principal .card h3 {
  color: #222;
  font-size: 1.2rem;
  font-weight: 600;
}

main .principal .card a {
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, 0.15);
  padding: 10px 20px;
  border-radius: 8px;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 500;
  background: #fff;
  color: #333;
  transition: all 0.3s ease;
}

main .principal .card a:hover {
  background: #e10b17;
  color: #fff;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 10px rgba(225, 11, 23, 0.3);
}

.imgTamanho {
  padding-top: 0.5rem !important;
  max-height: 80px;
  object-fit: contain;
}