/* ===== Breadcrumbs ===== */
.breadcrumbs {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
}

.breadcrumbs a { color: var(--text-secondary); }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs .sep { margin: 0 8px; color: var(--border); }

.breadcrumbs--center { text-align: center; }
.breadcrumbs--right { text-align: right; }

/* ===== Share Buttons ===== */
.share-section {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 28px 0;
}

.share-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.share-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  color: #fff;
}

.share-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.share-weibo { background: #e6162d; }
.share-wechat { background: #07c160; }
.share-twitter { background: #1da1f2; }
.share-linkedin { background: #0a66c2; }
.share-copy { background: var(--text-secondary); }

.share-btn.copied { background: var(--success-color); }

/* ===== Author Box ===== */
.author-box {
  display: flex;
  gap: 24px;
  padding: 28px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  margin: 32px 0;
}

.author-avatar { flex-shrink: 0; }

.author-avatar img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.author-info h4 a { color: var(--text); }
.author-info h4 a:hover { color: var(--primary); }

.author-info p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Related Posts ===== */
.related-posts {
  margin: 40px 0;
}

.related-posts h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.35s;
  background: var(--bg-card);
}

.related-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.related-item .thumb {
  display: block;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.related-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.related-item:hover .thumb img { transform: scale(1.08); }

.related-item .info { padding: 14px 16px 16px; }

.related-item .info h4 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-item .info h4 a { color: var(--text); }
.related-item .info h4 a:hover { color: var(--primary); }

.related-item .info .date {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
  display: block;
}

/* ===== Post Navigation ===== */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
}

.post-navi-item {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.post-navi-item:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.post-navi-item.next { text-align: right; }

.post-navi-label {
  font-size: 12px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.post-navi-title {
  font-size: 14px;
  font-weight: 600;
  margin-top: 4px;
  color: var(--text);
}

/* ===== Blog Archive ===== */
.blog-posts { display: flex; flex-direction: column; gap: 24px; }

.blog-post-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: all 0.35s;
}

.blog-post-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-2px);
}

.blog-post-card .thumb {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.blog-post-card .thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s;
}

.blog-post-card:hover .thumb img { transform: scale(1.06); }

.blog-post-card .post-body h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.blog-post-card .post-body h2 a { color: var(--text); }
.blog-post-card .post-body h2 a:hover { color: var(--primary); }

.blog-post-card .post-body .excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-post-card .post-body .meta-row {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 10px;
  display: flex;
  gap: 16px;
}

/* ===== Pagination ===== */
.pagination {
  margin: 40px 0;
  text-align: center;
}

.pagination .nav-links {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: all var(--transition);
  background: var(--bg);
}

.pagination a:hover {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: var(--primary);
}

.pagination .current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* (responsive rules moved to _mobile.css) */