.accordion {
  max-width: 1000px;
  margin: 40px auto 0;
}
.at-tab {
  display: none;
  padding: 15px;
  border: 1px solid #dddddd;
  border-top: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  background-color: #fff;
}
.at-title {
  cursor: pointer;
  background-color: #f5f5f5;
  position: relative;
  transition: background-color 0.3s ease;
}
.at-title:hover {
  background-color: #e0e0e0;
}
.at-title:after {
  content: "+";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 10px;
  transition: all 0.3s ease;
  font-size: 20px;
}
.at-title.active:after {
  content: "-";
}
.at-item {
  border-radius: 5px;
  margin-bottom: 15px;
}
.at-title h2 {
  font-size: 22px;
  font-weight: 600;
  padding: 10px 15px;
  margin: 0;
}
.accordion-header {
  text-align: center;
  background-color: #222222;
  color: white;
  padding: 20px 0;
}