
  
  .main-title h2{
    margin-bottom: 2rem;
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  
  .wrapper {
    margin: auto;
    
  }
  @media (max-width: 768px) {
    .wrapper {
      width: auto;
      padding: 0 0.3rem;
    }
  }
  
  input[type=radio] {
    
    display: none;
  }
  input[type=radio]:checked + .item .title {
    padding: 10px 15px;
    color: #fff;
    border-color: #333;
    background-color: #333;
  }
  input[type=radio]:checked + .item .title:after {
    transform: rotate(180deg);
  }
  input[type=radio]:checked + .item .content {
    margin-top: 1rem;
    margin-bottom: 1rem;
    height: auto;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s, opacity 0.7s;
  }
  
  .item {
    display: block;
    margin-bottom: 0.1rem;
  }
  
  .title {
    padding: 10px 15px;
    border-radius: 0.3rem;
    color: #333;
    border: 1px solid;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .title:after {
    content: "▼";
    display: inline-block;
    font-size: 12px;
  }
  
  .content {
    
    margin: 0 auto;
    padding: .5rem;
    line-height: 1.6;
    color: #333;
    border: 1px solid;
    border-width: 0 1px;
    height: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
  }