/* 卡片基础样式 */
.main-div {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* 图片悬浮效果 */
.main-img {
  transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
  transform-origin: center;
}

.main-div:hover .main-img {
  transform: scale(1.05);
  filter: brightness(1.05);
  /* 图片轻微提亮 */
}

/* 标题悬浮效果 */
.main-title {
  transition: all 0.3s ease;
  position: relative;
}

.main-div:hover .main-title {
  color: #1890ff;
  transform: translateY(-2px);
}

/* 机构标签悬浮效果 */
.main-tag {
  transition: all 0.3s ease;
  display: inline-block;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
  padding: 2px 6px;
}

.main-div:hover .main-tag {
  background: rgba(24, 144, 255, 0.1);
  color: #1890ff;
  transform: translateY(-2px);
}

/* 卡片整体悬浮效果 */
.main-div:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(24, 144, 255, 0.15);
}

/* 添加光晕效果 */
.main-div::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(24, 144, 255, 0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.main-div:hover::after {
  opacity: 1;
}