.manual-list > ul {
  list-style: none;
  margin: 0 0 var(--gap);
  padding: 0;
}

.manual-item {
  padding: var(--gap);
  margin-bottom: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.manual-item-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.manual-item-head form {
  margin: 0 0 0 auto;
}

.manual-files {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  font-size: 0.9375rem;
}

.manual-files li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.manual-preview {
  margin-top: 8px;
}

.manual-preview summary {
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--color-accent);
}

.manual-preview iframe {
  width: 100%;
  /* 手机上给足高度才看得清说明书,又不至于长到划不动 */
  height: 70vh;
  margin-top: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-subtle);
}