/* ===== 下载列表 ===== */
  .dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .dl-card {
    position: relative; overflow: hidden; display: flex; align-items: center;
    padding: 22px 24px; background: #fff; border: 1px solid #eaeaea; border-radius: 12px;
    transition: border-color .3s ease, box-shadow .3s ease, transform .3s cubic-bezier(.25,.8,.25,1);
  }
  .dl-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: #1e50a0; transform: scaleY(0); transform-origin: top; transition: transform .3s ease;
  }
  .dl-card:hover { border-color: #1e50a0; box-shadow: 0 10px 30px rgba(30,80,160,.12); transform: translateY(-3px); }
  .dl-card:hover::before { transform: scaleY(1); }
  .dl-card-icon {
    flex: none; width: 60px; height: 60px; border-radius: 12px; margin-right: 18px;
    display: flex; align-items: center; justify-content: center;
  }
  .dl-card-icon.pdf { background: linear-gradient(135deg, #fff1f0, #ffe0de); }
  .dl-card-icon.doc { background: linear-gradient(135deg, #e8f4ff, #d1e9ff); }
  .dl-card-icon img { width: 34px; height: 34px; }
  .dl-card-body { flex-grow: 1; min-width: 0; }
  .dl-card-title { font-size: 16px; font-weight: 600; color: #333; margin-bottom: 5px; line-height: 1.4; word-break: break-all; }
  .dl-card-meta { font-size: 13px; color: #aaa; }
  .dl-card-meta .sep { margin: 0 6px; color: #ddd; }
  .dl-card-badge {
    flex: none; display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
    padding: 7px 18px; border-radius: 22px; font-size: 13px; font-weight: 500;
    background: #1e50a0; color: #fff; transition: background .3s ease, box-shadow .3s ease;
  }
  .dl-card:hover .dl-card-badge { background: #17437f; box-shadow: 0 4px 12px rgba(30,80,160,.35); }
  /* 不可下载状态 */
  .dl-card.disabled { opacity: .72; cursor: not-allowed; }
  .dl-card.disabled .dl-card-badge { background: #c0c4cc; }
  .dl-card.disabled .dl-card-icon.pdf, .dl-card.disabled .dl-card-icon.doc { background: #f5f5f5; }
  .dl-card.disabled:hover { border-color: #eaeaea; box-shadow: none; transform: none; }
  .dl-card.disabled:hover::before { transform: scaleY(0); }

  /* ===== 底部提示（对应 reference：.dl-note）===== */
  .dl-note {
    margin-top: 28px; padding: 14px 18px; background: #f7fbff;
    border-radius: 8px; border-left: 3px solid #1e50a0;
    font-size: 13px; color: #888; line-height: 1.7;
  }
  .dl-note strong { color: #1e50a0; }

  @media (max-width: 768px) {
    .dl-grid { grid-template-columns: 1fr; }
    .dl-card { padding: 18px 16px; }
    .dl-card-icon { width: 48px; height: 48px; margin-right: 14px; }
    .dl-card-icon img { width: 28px; height: 28px; }
    .dl-card-title { font-size: 15px; }
    .dl-card-badge { padding: 6px 14px; font-size: 12px; }
  }