/* 全部栏目页面样式 */
.categories-page-header {
  margin-bottom: 24px;
}
.categories-page-header h1 {
  font-size: 24px;
  margin: 16px 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.categories-page-desc {
  color: var(--text-light);
  font-size: 14px;
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.category-card {
  display: flex;
  flex-direction: column;
  background: var(--background-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
.category-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.category-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.category-card-icon i {
  font-size: 24px;
}
.category-card-content h3 {
  font-size: 16px;
  margin-bottom: 6px;
}
.category-card-content p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.5;
  flex: 1;
}
.category-card-footer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}
.category-card-count {
  font-size: 12px;
  color: var(--text-light);
}
.categories-loading,
.categories-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--text-light);
}
.categories-loading i,
.categories-empty i {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
}

/* 全部栏目页：内容单列占满容器（避免继承 index 的 2fr 1fr 布局把栏目网格挤到右侧 1fr 列） */
.categories-page .main-content {
  grid-template-columns: 1fr;
}