.container-main {
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.product-image {
  text-align: center;
}

.product-image img {
  width: 100%;
  max-width: 500px;
  border-radius: 10px;
}

h2 {
  font-size: 28px;
  margin: 20px 0 10px;
}

p.category {
  color: #777;
  font-size: 14px;
}

p.price {
  font-size: 20px;
  font-weight: bold;
  color: #ff5722;
}

p.details-text {
  margin-top: 15px;
  font-size: 15px;
  line-height: 1.6;
  color: #333;
}

.btns {
  margin-top: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  margin-right: 10px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.btn-order {
  background: #ff5722;
  color: #fff;
}

.btn-order:hover {
  background: #e64a19;
}

.btn-preview {
  background: #444;
  color: #fff;
}

.btn-preview:hover {
  background: #222;
}

.back-link {
  display: inline-block;
  margin-top: 20px;
  text-decoration: none;
  color: #333;
  font-size: 14px;
}