/* 博客页样式 */

.filter-section {
  padding: 0 0 2rem;
}

.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  background: transparent;
  color: var(--color-text-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-gold-highlight);
  border-color: var(--color-gold-primary);
}

.filter-btn.active {
  background: var(--gradient-gold);
  color: var(--color-bg-primary);
  border-color: transparent;
  font-weight: 600;
}

/* 博客卡片 */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--color-bg-secondary);
  background-image: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-primary);
  box-shadow: var(--shadow-gold);
}

.blog-card-cover {
  aspect-ratio: 16/9;
  background: var(--gradient-card);
  background-image: linear-gradient(135deg, rgba(184, 146, 74, 0.2) 0%, rgba(0, 0, 0, 0) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.blog-card-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(184, 146, 74, 0.15) 100%);
}

.blog-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.blog-card-cat {
  padding: 0.125rem 0.625rem;
  background: rgba(184, 146, 74, 0.15);
  color: var(--color-gold-secondary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.blog-card-cat.business {
  background: rgba(232, 200, 150, 0.15);
  color: var(--color-gold-highlight);
}

.blog-card-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-summary {
  color: var(--color-text-tertiary);
  font-size: var(--fs-sm);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}