/* 产品手册页 */
.manual-page {
  background: #f5f7fa;
}

.manual-page .section-header {
  text-align: center;
  margin-bottom: 36px;
}

.manual-page .section-desc {
  margin-top: 12px;
  font-size: 14px;
  color: #888;
}

.manual-empty {
  padding: 80px 20px;
  text-align: center;
  color: #999;
  background: #fff;
  border-radius: 8px;
}

.manual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.manual-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.25s, box-shadow 0.25s;
}

.manual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 102, 204, 0.12);
}

.manual-cover {
  position: relative;
  height: 140px;
  background: linear-gradient(135deg, #eef4fb 0%, #dce9f8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.manual-cover .layui-icon {
  font-size: 56px;
  color: #0066cc;
  opacity: 0.85;
}

.manual-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 2px 10px;
  font-size: 12px;
  color: #fff;
  background: #e53935;
  border-radius: 4px;
}

.manual-body {
  padding: 20px;
}

.manual-body h3 {
  font-size: 16px;
  color: #1a3a5c;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}

.manual-meta {
  font-size: 12px;
  color: #999;
  margin-bottom: 16px;
}

.manual-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.manual-actions .layui-btn {
  margin: 0;
}

@media (max-width: 992px) {
  .manual-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .manual-grid {
    grid-template-columns: 1fr;
  }
}