/* 公共状态样式独立保留，页面布局与设计变量统一维护于 style.css。 */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 12px 18px;
  border: 2px solid var(--blue);
  background: #fff;
  color: var(--navy);
}
.skip-link:focus {
  top: 12px;
}

/* 栏目逐层筛选沿用真实栏目地址，窄屏自然换行并保留键盘焦点。 */
.category-filters {
  margin: 0 0 24px;
  border-top: 1px solid #e3e8ef;
}
.category-filter-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #e3e8ef;
}
/* 栏目页取消重复大标题后，仅保留紧凑的右侧内容统计。 */
.list-toolbar.category-toolbar {
  justify-content: flex-end;
  padding: 0 0 12px;
}
.category-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.category-filter-options a {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 4px;
  background: #f0f4f8;
  color: #334b64;
  text-decoration: none;
}
.category-filter-options a.active {
  background: #019ae8;
  color: #fff;
}
.category-filter-options a:focus-visible {
  outline: 2px solid #019ae8;
  outline-offset: 3px;
}
@media (max-width: 640px) {
  .category-filter-row {
    flex-direction: column;
    gap: 10px;
  }
  .category-filter-options {
    gap: 6px;
  }
  .category-filter-options a {
    padding: 8px 12px;
  }
}