.breadcrumbs {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: #999;
}
.breadcrumbs img {
  margin-right: 10px;
}
.breadcrumbs a {
  color: #999;
}
.breadcrumbs a:hover {
  color: #015293;
}
.pub_title {
  display: flex;
  align-items: center;
  font-size: 36px;
  color: #015293;
  height: 105px;
  background: url(../images/topic_bg_title.png) no-repeat;
  background-size: 100% 100%;
  font-weight: 700;
  padding-left: 30px;
  border-bottom: 1px solid #015293;
}
.banner_topic {
  margin-top: 54px;
}
.banner_topic .banner_swiper {
  position: relative;
  height: 160px;
  margin-top: 35px;
}
.banner_topic .banner_swiper .swiper {
  width: 100%;
  height: 100%;
}
.banner_topic .banner_swiper .swiper .swiper-slide {
  width: 100%;
  height: 100%;
}
.banner_topic .banner_swiper .swiper .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
}
.banner_topic .banner_swiper .swiper-button-next,
.banner_topic .banner_swiper .swiper-button-prev {
  width: 45px;
  height: 45px;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.08);
}
.banner_topic .banner_swiper .swiper-button-next::after,
.banner_topic .banner_swiper .swiper-button-prev::after {
  font-size: 24px;
  color: #015293;
}
.banner_topic .banner_swiper .swiper-button-next {
  position: absolute;
  right: -60px;
}
.banner_topic .banner_swiper .swiper-button-prev {
  position: absolute;
  left: -60px;
}
.special_topic {
  margin-top: 80px;
  margin-bottom: 80px;
}
.special_topic .topic_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 33px;
}
.special_topic .topic_list li {
  width: 420px;
  background-color: #f0f8ff;
  padding: 10px;
}
.special_topic .topic_list li a {
  display: block;
  width: 100%;
  color: #333;
}
.special_topic .topic_list li a .cover {
  width: 100%;
  height: 160px;
  overflow: hidden;
}
.special_topic .topic_list li a .cover img {
  display: block;
  width: 100%;
  height: 100%;
  transition: all 0.3s;
}
.special_topic .topic_list li a h4 {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  font-size: 18px;
  font-weight: 400;
}
.special_topic .topic_list li:hover a {
  color: #015293;
}
.special_topic .topic_list li:hover a .cover img {
  transform: scale(1.02);
}