.article-follow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-top: 2.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.article-follow p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.article-follow > a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  color: var(--primary-color);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
}

.article-reading-footer {
  margin-top: 1rem;
}

.article-share,
.article-guides {
  color: var(--text-primary);
  font-size: 0.9375rem;
}

.article-share > summary,
.article-guides > summary {
  min-height: 44px;
  padding: 0.625rem 0;
  line-height: 1.6;
  font-weight: 600;
  cursor: pointer;
}

.article-share > summary::marker,
.article-guides > summary::marker {
  color: var(--text-secondary);
}

.article-share-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 0 1rem;
}

.article-share-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
}

.article-share-link svg {
  width: 16px;
  height: 16px;
}

.article-adjacent {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
}

.article-adjacent-link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
  min-height: 44px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  line-height: 1.65;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.article-adjacent-label {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.article-related {
  margin-top: 2rem;
}

.article-related > h2 {
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 700;
}

.article-related-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-related-list > li {
  min-width: 0;
  border-bottom: 1px solid var(--border-color);
}

.article-related-link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  height: 100%;
  padding: 1.1rem 0;
  color: var(--text-primary);
  text-decoration: none;
}

.article-related-title {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.article-related-link time {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.article-guides {
  margin-top: 1.5rem;
}

.article-guides > summary > span {
  margin-left: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 400;
}

.article-guides > ul {
  margin: 0;
  padding: 0.5rem 0 0;
  list-style: none;
}

.article-guides li + li {
  border-top: 1px solid var(--border-color);
}

.article-guides a {
  display: block;
  min-height: 44px;
  padding: 0.75rem 0;
  color: var(--primary-color);
  line-height: 1.65;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.article-follow a:hover,
.article-adjacent-link:hover,
.article-related-link:hover .article-related-title,
.article-guides a:hover {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-share-link:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.article-follow a:focus-visible,
.article-share summary:focus-visible,
.article-share-link:focus-visible,
.article-adjacent-link:focus-visible,
.article-related-link:focus-visible,
.article-guides summary:focus-visible,
.article-guides a:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
  border-radius: 2px;
}

@media (max-width: 640px) {
  .article-follow {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 0;
  }

  .article-adjacent,
  .article-related-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-adjacent {
    gap: 1.25rem;
  }
}