.faq-container {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
  font-family: sans-serif;
}
.faq-item {
  border-bottom: 1px solid #ddd;
  padding: 15px 0;
}
.faq-question {
  cursor: pointer;
  position: relative;
  padding-right: 30px;
  font-weight: bold;
}
.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  font-size: 20px;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  font-size: 15px;
  line-height: 1.6;
  margin-top: 8px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-item.open .faq-question::after {
  content: "−";
}