.con {
  background: url(../img/historyBg.jpg) no-repeat;
  background-size: 100% auto;
  background-position: center top;
}
.con #bread {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
.con .page1 {
  position: relative;
  z-index: 3;
}
.con .page1 .c_l {
  flex: 0 0 auto;
}
.con .page1 .c_l p {
  text-align: right;
}
.con .page1 .c_l img {
  width: 166px;
}
.con .page1 .c_r {
  flex: 1;
  margin-left: 76px;
}
.con .page2 {
  position: relative;
}
.con .page2 .wrap {
  position: relative;
}
.con .page2::before {
  content: "";
  background: #F6F4EE;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  height: calc(100% - 7%);
}
.con .page2 .wrap::after {
  content: "";
  background: var(--textColor);
  width: 1px;
  position: absolute;
  top: 0;
  left: calc(166px + 76px);
  height: 0;
  z-index: 2;
  transition: all 0.4s linear;
}
.con .page2 .wrap.on::after {
  height: 80%;
}
.con .page2 .swiper {
  width: calc(100% - 166px - 76px);
  margin-left: auto;
  margin-right: 0;
}
.con .page2 .swiper .swiper-slide {
  position: relative;
  cursor: pointer;
  width: 20%;
}
.con .page2 .swiper .swiper-slide .swiper_top .titBox {
  padding: 40px;
  position: relative;
}
.con .page2 .swiper .swiper-slide .swiper_top .tit {
  color: #b8b8b8;
  line-height: 1;
}
.con .page2 .swiper .swiper-slide .swiper_top .tit1 {
  position: absolute;
  bottom: 50%;
  transform: translateY(50%);
  line-height: 1;
  color: var(--textColor);
  visibility: hidden;
  font-weight: 600;
}
.con .page2 .swiper .swiper-slide .swiper_top .image {
  margin-left: 20px;
}
.con .page2 .swiper .swiper-slide .swiper_info {
  width: 100%;
  max-width: 860px;
  padding: 0 0 0 40px;
}
.con .page2 .swiper .swiper-slide .swiper_info .image {
  width: 100%;
  overflow: hidden;
  transition: all 0.4s linear;
  transform: translateY(50px);
}
.con .page2 .swiper .swiper-slide .swiper_info .image img {
  width: 100%;
  transition: all 0.6s linear;
  object-fit: cover;
}
.con .page2 .swiper .swiper-slide .swiper_info .image:hover img {
  transform: scale(1.05);
}
.con .page2 .swiper .swiper-slide:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 1px;
  background-image: linear-gradient(to bottom, #BBB9B5, #fff);
}
.con .page2 .swiper .swiper-slide:hover .swiper_top .tit {
  color: var(--textColor);
}
.con .page2 .swiper .swiper-slide.swiper-slide-active .swiper_top .tit {
  opacity: 0;
}
.con .page2 .swiper .swiper-slide.swiper-slide-active .swiper_top .tit1 {
  opacity: 1;
  visibility: visible;
}
.con .page2 .swiper .swiper-slide.swiper-slide-active .swiper_info .image {
  transform: none;
}
.con .page2 .swiper.swiper22 .swiper-slide:before {
  content: none;
}
.con .page2 .swiper11::after {
  content: "";
  width: 2px;
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  background: #F6F4EE;
  z-index: 2;
}
@media only screen and (max-width: 1920px) {
  .con .page1 .c_r {
    margin-left: 3.9583vw;
  }
  .con .page2 .swiper {
    width: calc(100% - 166px - 3.9583vw);
  }
  .con .page2 .wrap::after {
    left: calc(166px + 3.9583vw);
  }
  .con .page2 .swiper .swiper-slide .swiper_info {
    max-width: 760px;
  }
}
@media only screen and (max-width: 1600px) {
  .con .page1 .c_l img {
    width: 140px;
  }
  .con .page2 .swiper {
    width: calc(100% - 140px - 3.9583vw);
  }
  .con .page2 .wrap::after {
    left: calc(140px + 3.9583vw);
  }
  .con .page2 .swiper .swiper-slide .swiper_top .titBox {
    padding: 20px;
  }
  .con .page2 .swiper .swiper-slide .swiper_top .image {
    width: calc(100% - 20px);
    margin: auto;
  }
  .con .page2 .swiper .swiper-slide .swiper_top .image img {
    width: 100%;
  }
  .con .page2 .swiper .swiper-slide .swiper_info {
    padding-left: 20px;
  }
  .con .page2 .swiper .swiper-slide .swiper_info {
    max-width: 560px;
  }
}
@media only screen and (max-width: 1200px) {
  .con .page1 .c_l img {
    width: 120px;
  }
  .con .page2 .swiper {
    width: calc(100% - 120px - 3.9583vw);
  }
  .con .page2 .swiper .swiper-slide .swiper_info {
    max-width: 460px;
  }
  .con .page2 .wrap::after {
    left: calc(120px + 3.9583vw);
  }
}
@media only screen and (max-width: 768px) {
  .con .page1 .c_l {
    flex: 0 0 100%;
    text-align: center;
  }
  .con .page1 .c_l p {
    text-align: center;
  }
  .con .page1 .c_r {
    flex: 0 0 100%;
    margin-left: 0;
    margin-top: 6vw;
  }
  .con .page2 .swiper {
    width: 100%;
  }
  .con .page2 .swiper .swiper-slide .swiper_info {
    max-width: 100%;
  }
  .con .page2 .wrap::after {
    left: 0;
  }
  .con .page2 .swiper .swiper-slide {
    width: 30%;
  }
  .con .page2 .wrap.on::after {
    height: 80%;
  }
}