.page_header {
  padding: 120px 0 0 0;
  background: #fff;
}
.page_header .w1440 .tit {
  font-weight: 700;
  text-align: center;
  color: #222222;
  line-height: 1;
}
.page_header .w1440 .line {
  width: 80px;
  height: 4px;
  background: #25bc4e;
  margin: 20px auto 46px auto;
}
.page_header .w1440 .swiper-slide {
  width: 184px;
  text-align: center;
  color: #999999;
  height: 54px;
  transition: all 0.2s linear;
  line-height: 1;
  cursor: pointer;
}
.page_header .w1440 .swiper-slide:before {
  content: "";
  width: 1px;
  height: 20px;
  background: #eeeeee;
  position: absolute;
  top: 0;
  right: 0;
}
.page_header .w1440 .swiper-slide:last-child:before{
    display: none;
}
.page_header .w1440 .swiper-slide:after {
  content: "";
  width: 0;
  height: 3px;
  background: #25bc4e;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  transition: all 0.2s linear;
}
.page_header .w1440 .swiper-slide.swiper-slide-thumb-active {
  color: #222222;
  font-size: 120%;
  font-weight: 600;
}
.page_header .w1440 .swiper-slide.swiper-slide-thumb-active:after {
  width: 50px;
}
.swiper {
  width: 100%;
  overflow: hidden;
}
.page_con {
  background: #f2f6fa;
  box-shadow: -10px 0px 25px 10px rgba(0, 19, 38, 0.08) inset;
  padding: 80px 0 250px 0;
}
.page_con .swiper-slide {
  background: #f2f6fa;
  display: flex;
  flex-wrap: wrap;
}
.page_con .swiper-slide .list {
  flex: 0 0 calc((100% - 78px)/4);
  margin-right: 26px;
  margin-bottom: 40px;
  background: #ffffff;
  box-shadow: 0px 8px 15px rgba(5, 5, 51, 0.06);
  padding: 20px 20px 24px 20px;
}
.page_con .swiper-slide .list .image {
  background: #f2f6fa;
  width: 100%;
  height: 260px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.page_con .swiper-slide .list .image img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: all 0.4s linear;
}
.page_con .swiper-slide .list:hover img {
  transform: scale(1.05);
}
.page_con .swiper-slide .list .tit {
  margin-top: 30px;
  font-weight: 600;
  text-align: left;
  color: #222222;
  line-height: 1.8;
  height: 3.6em;
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.page_con .swiper-slide .list .time {
  margin-top: 42px;
  font-weight: 400;
  text-align: right;
  color: #999999;
}
.page_con .swiper-slide .list:nth-child(4n) {
  margin-right: 0;
}
@media only screen and (max-width: 1600px) {
  .page_header {
    padding-top: 6.25vw;
  }
  .page_header .w1440 .line {
    margin-bottom: 2.39vw;
  }
  .page_con .swiper-slide .list .image {
    height: 13.54vw;
  }
  .page_con .swiper-slide .list .time {
    margin-top: 2.18vw;
  }
  .page_con .swiper-slide .list .tit {
    margin-top: 1.56vw;
  }
  .page_con {
    padding: 4.16vw 0 13vw 0;
  }
}
@media only screen and (max-width: 1440px) {
  .page_header .w1440 .swiper-slide {
    width: 160px;
    height: 46px;
  }
}
@media only screen and (max-width: 1000px) {
  .page_con .swiper-slide .list {
    margin-bottom: 20px;
    margin-right: 10px;
    flex: 0 0 calc((100% - 30px)/4);
  }
  .page_header .w1440 .line {
    width: 40px;
    height: 2px;
    margin: 20px auto;
  }
}
@media only screen and (max-width: 768px) {
  .page_header .w1440 .swiper-slide {
    width: 100px;
    height: 32px;
  }
  .page_con .swiper-slide .list {
    margin-bottom: 20px;
    margin-right: 20px;
    flex: 0 0 calc((100% - 20px) / 2);
  }
  .page_con .swiper-slide .list:nth-child(2n) {
    margin-right: 0;
  }
  .page_con .swiper-slide .list {
    padding: 16px;
  }
  .page_con .swiper-slide .list .image {
    height: 100px;
  }
  .page_con {
    padding: 40px 0 100px 0;
  }
  .page_header {
    padding-top: 40px;
  }
}