/* === Publications Section — fixed columns & comfortable spacing === */
#Publications {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

/* 默认 1 列（手机端） */
#Publications .pub-list {
  display: grid;
  grid-template-columns: 1fr;                /* 手机一列 */
  gap: 2.25rem;                              /* 卡片间距 */
  list-style: none;
  padding: 0;
  margin: 0;
}

/* 13-14 寸笔记本（>=992px 且 <1600px）显示 2 列 */
@media (min-width: 992px) {
  #Publications .pub-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;                             /* 更宽屏幕更大间距 */
  }
}

/* 超大屏（>=1600px，如 21 寸及以上）显示 3 列 */
@media (min-width: 1600px) {
  #Publications .pub-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.75rem;
  }
}

/* 单个 publication 卡片 */
#Publications .pub-item {
  background: #fff;
  border-radius: 1.1rem;
  border: 1px solid #e7e7ea;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s ease;
}

/* Hover 轻微提示（无上浮动画） */
#Publications .pub-item:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* 封面图：更高、更宽松的比例 */
#Publications .pub-thumb {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid #eee;
  background: #f8f9fa;
}

/* 笔记本屏幕封面稍高 */
@media (min-width: 992px) {
  #Publications .pub-thumb {
    height: 260px;
  }
}

/* 大屏封面更高，比例更沉稳 */
@media (min-width: 1600px) {
  #Publications .pub-thumb {
    height: 280px;
  }
}

/* 卡片内容区域：增加内边距与留白 */
#Publications .pub-content {
  padding: 1.5rem 2rem;                      /* 左右留白加大 */
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

/* 作者行（首字母 + 姓） */
#Publications .pub-meta {
  font-size: 0.96rem;
  /* padding-left: 0.1rem; */
  color: #6c757d;
  line-height: 1.45rem;
}

/* 标题：加粗、清晰 */
#Publications .pub-title {
  font-weight: 700;
  font-size: 1.08rem;
  color: #343a40;
  line-height: 1.55rem;
  margin-top: .15rem;
  /* padding-left: 0.1rem; */
}

/* 期刊与会议信息 */
#Publications .pub-venue {
  font-size: 0.96rem;
  color: #565c63;
  margin-bottom: .25rem;
  /* padding-left: 0.1rem; */
}

/* PDF / 项目链接 */
#Publications .pub-links {
  margin-top: .2rem;
  padding-left: 0.1rem;
}

#Publications .pub-links a {
  color: #6a60da;
  margin-right: 1rem;
  text-decoration: none;
  padding: .15rem .1rem;
  transition: color .2s ease;
}

#Publications .pub-links a:hover {
  color: #4c3fc3;
  text-decoration: underline;
}

/* venue 小徽章 */
#Publications .badge-venue {
  display: inline-block;
  background: rgba(106,96,218,.1);
  color: #6a60da;
  font-size: 0.86rem;
  border-radius: .4rem;
  padding: .12rem .5rem;
  margin-left: -0.3rem;
}

/* 调整标题分组间距 */
#Publications h3 {
  margin-top: 1.75rem;
  margin-bottom: 1rem;
}