body {
    font-family: "Microsoft JhengHei", sans-serif;
    background-color: #EEF2F7;
  }
  .qa-container {
    max-width: 800px;
    margin: auto;
    background: #fff;
    border: 2px solid #ddd;
    border-radius: 1rem;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }
  .qa-controls {
    text-align: right;
    margin-bottom: 15px;
  }
  .qa-controls button {
    margin-left: 10px;
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    background: #4a90e2;
    color: #fff;
    transition: background 0.3s;
  }
  .qa-controls button:hover {
    background: #357ab8;
  }
  .qa-section {
    margin-bottom: 30px;
  }
  .qa-section.buyer h2 {
    background: #4a90e2;
    color: #fff;
    padding: 10px 15px;
    border-radius: 6px;
    font-size: 20px;
  }
  .qa-section.buyer .qa-item {
    margin: 15px 0;
    padding: 15px;
    border-left: 4px solid #4a90e2;
    background: #f1f7ff;
    border-radius: 6px;
    cursor: pointer;
  }
  .qa-section.seller h2 {
    background: #e26a9f;
    color: #fff;
    padding: 10px 15px;
    border-radius: 6px;
    font-size: 20px;
  }
  .qa-section.seller .qa-item {
    margin: 15px 0;
    padding: 15px;
    border-left: 4px solid #e26a9f;
    background: #fff0f6;
    border-radius: 6px;
    cursor: pointer;
  }
  .qa-item p {
    margin: 5px 0;
    display: flex;
    align-items: center;
  }
  .question {
    font-weight: bold;
    color: #333;
    transition: color 0.3s ease;
    width: 100%;
  }
  .question img.icon {
    width: 50px;
    height: 50px;
    margin-right: 8px;
    transition: transform 0.5s ease;
  }
  .buyer .qa-item.active .question { color: #4a90e2; }
  .buyer .qa-item.active .question img.icon {
    transform: rotate(360deg);
    content: url("images/qa/qa_auction_1b.png");
  }
  .buyer .qa-item:not(.active) .question img.icon {
    content: url("images/qa/qa_auction_1a.png");
    transform: rotate(0deg);
  }
  .buyer .qa-item.active .answer { color: #000000; }
  .seller .qa-item.active .question { color: #e26a9f; }
  .seller .qa-item.active .question img.icon {
    transform: rotate(360deg);
    content: url("images/qa/qa_auction_2b.png");
  }
  .seller .qa-item:not(.active) .question img.icon {
    content: url("images/qa/qa_auction_2a.png");
    transform: rotate(0deg);
  }
  .seller .qa-item.active .answer { color: #000000; }
  .answer {
    padding: 0 26px;
    display: block;
    border-radius: 6px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
  }
  .qa-item.active .answer {
    max-height: 800px;
    padding: 10px 26px;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }
  .qa-back {
    text-align: center;
    margin-top: 30px;
  }
  .qa-back .back-btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    background: linear-gradient(135deg, #4a90e2, #357ab8);
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
  }
  .qa-back .back-btn:hover {
    background: linear-gradient(135deg, #357ab8, #4a90e2);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.25);
  }
  .copy-link-container {
    margin-left: auto;
    display: flex;
    align-items: center;
    margin-right: -60px; 
  }
  .copy-link-btn {
    padding: 4px 10px;
    font-size: 12px;
    border: none;
    border-radius: 4px;
    background: #e0e0e0;
    color: #000;
    cursor: pointer;
    transition: background 0.3s;
    display: flex;
    align-items: center;
  }
  .copy-link-btn:hover { background: #cfcfcf; }
  .copy-link-btn i { margin-right: 4px; font-size: 14px; }
  .copy-success {
    margin-left: 6px;
    font-size: 12px;
    color: green;
    opacity: 0;
    transition: opacity 0.3s;
  }
  .copy-success.show { opacity: 1; }
  .qa-item p.question {
  display: flex;
  align-items: center;
}
.qa-item p.answer {
  display: block; 
}
.breadcrumb-nav {margin-top: 0px;margin-bottom: 10px;margin-left:-0px;}