/* 博客列表页：分类导航 + 文章网格 */

.blog-grids-banner {
  background: linear-gradient(180deg, rgb(55 88 249 / 6%) 0%, transparent 100%);
}

html.dark .blog-grids-banner {
  background: linear-gradient(180deg, rgb(55 88 249 / 10%) 0%, transparent 100%);
}

/* 主布局：大屏左栏 + 右栏；小屏导航在上、列表在下 */
.blog-grids-layout__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

@media (width >= 1024px) {
  .blog-grids-layout__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 2rem;
  }
}

.blog-grids-layout__sidebar {
  min-width: 0;
}

@media (width >= 1024px) {
  .blog-grids-layout__sidebar {
    position: sticky;
    top: 6.5rem;
  }
}

.blog-grids-layout__main {
  min-width: 0;
}

/* ---- 分类导航（列表页 / 详情侧栏复用） ---- */
.news-category-nav {
  border: 1px solid rgb(15 23 42 / 8%);
  border-radius: 0.75rem;
  background: #fff;
  padding: 1.25rem 1rem 1rem;
  box-shadow: 0 4px 18px rgb(15 23 42 / 5%);
}

html.dark .news-category-nav {
  background: #111928;
  border-color: rgb(255 255 255 / 8%);
}

.news-category-nav__title {
  margin: 0 0 0.85rem;
  padding: 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: #111928;
}

html.dark .news-category-nav__title {
  color: #fff;
}

.news-category-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.news-category-nav__item + .news-category-nav__item {
  margin-top: 0.2rem;
}

.news-category-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.65rem;
  border-radius: 0.5rem;
  text-decoration: none;
  color: #4b5563;
  border-left: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.news-category-nav__link:hover {
  color: #3758f9;
  background: rgb(55 88 249 / 6%);
}

.news-category-nav__link.is-active {
  color: #3758f9;
  font-weight: 600;
  border-left-color: #3758f9;
  background: rgb(55 88 249 / 8%);
}

html.dark .news-category-nav__link {
  color: rgb(255 255 255 / 72%);
}

.news-category-nav__count {
  flex-shrink: 0;
  min-width: 1.75rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: rgb(15 23 42 / 6%);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  color: #6b7280;
}

.news-category-nav__link.is-active .news-category-nav__count {
  background: rgb(55 88 249 / 15%);
  color: #3758f9;
}

html.dark .news-category-nav__count {
  background: rgb(255 255 255 / 8%);
  color: rgb(255 255 255 / 55%);
}

/* 列表页小屏：分类导航水平排列在文章网格上方 */
@media (width < 1024px) {
  .blog-grids-page .news-category-nav {
    padding: 1rem;
  }

  .blog-grids-page .news-category-nav__title {
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
  }

  .blog-grids-page .news-category-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .blog-grids-page .news-category-nav__item + .news-category-nav__item {
    margin-top: 0;
  }

  .blog-grids-page .news-category-nav__link {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 0.45rem 0.85rem;
    background: rgb(15 23 42 / 4%);
  }

  .blog-grids-page .news-category-nav__link.is-active {
    border-left-color: transparent;
    border-bottom-color: #3758f9;
    background: rgb(55 88 249 / 10%);
  }

  html.dark .blog-grids-page .news-category-nav__link {
    background: rgb(255 255 255 / 6%);
  }
}

/* ---- 列表卡片分类标签 ---- */
.news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.65rem;
}

.news-card__category {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: rgb(55 88 249 / 10%);
  color: #3758f9;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease;
}

.news-card__category:hover {
  background: rgb(55 88 249 / 18%);
  color: #2746c7;
}

html.dark .news-card__category {
  background: rgb(55 88 249 / 18%);
  color: #93aafd;
}

/* 主栏内双列网格，宽度受父级 grid 列约束 */
.blog-grids-layout__main .news-grid--cols-2 {
  grid-template-columns: minmax(0, 1fr);
}

@media (width >= 768px) {
  .blog-grids-layout__main .news-grid--cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.article-detail-banner__category-link {
  color: inherit;
  text-decoration: none;
}

.article-detail-banner__category-link:hover {
  text-decoration: underline;
}

.article-detail__item-category {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  background: rgb(55 88 249 / 10%);
  color: #3758f9;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

html.dark .article-detail__item-category {
  background: rgb(55 88 249 / 18%);
  color: #93aafd;
}

.article-detail__sidebar .news-category-nav {
  margin-bottom: 0;
}

.article-detail__sidebar .news-category-nav + .article-detail__toc,
.article-detail__sidebar .news-category-nav + .article-detail__cta-box {
  margin-top: 0;
}