/* 文章网格通用样式 */
.articles-grid {
  display: grid;
  gap: 25px;
}

.article-card {
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.card-img {
  height: 180px;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .card-img img {
  transform: scale(1.05);
}

.card-content {
  padding: 20px;
}

.card-content .category {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(78, 110, 242, 0.1);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.card-content h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  line-height: 1.4;
}

.card-content h3 a {
  color: var(--text);
  text-decoration: none;
}

.card-content h3 a:hover {
  color: var(--accent);
}

.card-content p {
  color: var(--text-secondary);
  margin: 0 0 20px;
  line-height: 1.5;
  height: 4.5em;
  overflow: hidden;
  position: relative;
}

/* 添加渐变遮罩作为省略号的可视化替代 */
.card-content p::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 30%;
  height: 1.5em;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), var(--card-bg) 50%);
}

.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 15px;
}

.read-more-icon {
  width: 18px;
  height: 18px;
  margin-left: 6px;
  fill: currentColor;
}

.read-more:hover {
  text-decoration: underline;
}

.card-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: var(--border);
  padding-top: 15px;
}