:root {
    --lrx-main: #1D2088;
    --lrx-gray: #F3F4F6;
    --lrx-text: #374151;
  }

  .faq-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 15px;
    font-family: Arial, Helvetica, sans-serif;
  }

  .faq-title {
    color: var(--lrx-main);
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
  }

  .faq-item {
    margin-bottom: 12px;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    transition: all 0.3s ease;
  }

  .faq-item:hover {
    border-color: var(--lrx-main);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }

  .faq-question {
    padding: 18px 20px;
    background: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #111827;
    font-size: 16px;
  }

  .faq-question::after {
    content: '+';
    color: var(--lrx-main);
    font-size: 20px;
    font-weight: bold;
  }

  .faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #F9FAFB;
    color: var(--lrx-text);
    line-height: 1.6;
    font-size: 15px;
  }

  /* 当选中/展开时的样式 (通过详情标签模拟或JS) */
  details[open] .faq-question::after {
    content: '-';
  }

  details[open] .faq-answer {
    max-height: 300px;
    padding: 15px 20px 20px;
    border-top: 1px solid #E5E7EB;
  }

  summary {
    list-style: none;
  }
  summary::-webkit-details-marker {
    display: none;
  }