.ctn1 {
  position: relative;
  overflow: hidden;
  padding: 0.5vw 0 6vw;
}
.ctn1 .con {
  display: flex;
  justify-content: space-between;
}
.ctn1 .con .left {
  position: relative;
  width: 17.4%;
  z-index: 3;
}
.ctn1 .con .left .swiper-wrapper {
  display: block;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide {
  display: flex;
  position: relative;
  cursor: pointer;
  margin-top: 3.5vw;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide:before {
  content: '';
  width: 0;
  height: 3px;
  background: #b72d29;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide:after {
  content: '';
  width: 0;
  height: 1px;
  background: #dcdcdc;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide .icons {
  width: 56px;
  height: 58px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide .icons img {
  max-width: 100%;
  max-height: 100%;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide h2 {
  color: #333;
  margin-left: 6px;
  position: relative;
  top: 6px;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide:hover:before {
  width: 110px;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide:hover:after {
  width: 100%;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide.active:before {
  width: 110px;
}
.ctn1 .con .left .swiper-wrapper .swiper-slide.active:after {
  width: 100%;
}
.ctn1 .con .right {
  position: relative;
  z-index: 2;
  width: 78.8%;
  margin-top: 0.5vw;
}
.ctn1 .con .right .swiper-slide ul li {
  padding: 3vw 0;
  border-bottom: 1px solid #c9c9c9;
}
.ctn1 .con .right .swiper-slide ul li a {
  display: flex;
  justify-content: space-between;
}
.ctn1 .con .right .swiper-slide ul li a .title {
  width: 36.5%;
  padding-right: 1vw;
}
.ctn1 .con .right .swiper-slide ul li a .title h2 {
  font-weight: 500;
  color: #333;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .right .swiper-slide ul li a .title h3 {
  font-weight: 500;
  color: #333;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  margin-top: 4px;
}
.ctn1 .con .right .swiper-slide ul li a .text {
  width: 63.5%;
  position: relative;
}
.ctn1 .con .right .swiper-slide ul li a .text p {
  color: #666;
  text-align: justify;
  line-height: 1.8;
  font-size:20px;
}
.ctn1 .con .right .swiper-slide ul li a .text h3 {
  position: absolute;
  right: 30px;
  bottom: -1.5vw;
  color: #b72d29;
  opacity: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .con .right .swiper-slide ul li a .text h3 span {
  margin-left: 4px;
}
.ctn1 .con .right .swiper-slide ul li:last-child {
  border-bottom: none;
}
.ctn1 .con .right .swiper-slide ul li:hover a .title h2 {
  color: #b72d29;
}
.ctn1 .con .right .swiper-slide ul li:hover a .title h3 {
  color: #b72d29;
}
.ctn1 .con .right .swiper-slide ul li:hover a .text h3 {
  right: 0;
  opacity: 1;
}
.ctn1 .bg {
  position: absolute;
  width: 77.2%;
  height: 100%;
  top: 0;
  right: 0;
  z-index: 1;
}
.ctn1 .bg .swiper {
  height: 100%;
}
.ctn1 .bg .swiper .swiper-wrapper {
  height: 100%;
}
.ctn1 .bg .swiper .swiper-wrapper .swiper-slide {
  height: 100%;
}
.ctn1 .bg .swiper .swiper-wrapper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media screen and (max-width: 1440px) {
  .ctn1 .con .left .swiper-wrapper .swiper-slide .icons {
    width: 40px;
    height: 54px;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide:hover:before {
    width: 94px;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide.active:before {
    width: 94px;
  }
}
@media screen and (max-width: 1200px) {
  .ctn1 .bg {
    width: 82%;
  }
}
@media screen and (max-width: 768px) {
  .ctn1 {
    padding: 40px 0 20px;
  }
  .ctn1 .con {
    display: block;
  }
  .ctn1 .con .left {
    width: 100%;
  }
  .ctn1 .con .left .swiper-wrapper {
    display: flex;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide {
    width: auto;
    margin-top: 0;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide .icons {
    width: 28px;
    height: 38px;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide h2 {
    top: 3px;
    margin-left: 10px;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide:before {
    height: 2px;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide:not(:last-child) {
    margin-right: 30px;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide:hover:before {
    width: 0;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide:hover:after {
    width: 0;
  }
  .ctn1 .con .left .swiper-wrapper .swiper-slide.active:before {
    width: 100%;
  }
  .ctn1 .con .right {
    width: 100%;
    margin-top: 10px;
  }
  .ctn1 .con .right .swiper-slide ul li {
    padding: 20px 0;
  }
  .ctn1 .con .right .swiper-slide ul li a {
    display: block;
  }
  .ctn1 .con .right .swiper-slide ul li a .title {
    width: 100%;
  }
  .ctn1 .con .right .swiper-slide ul li a .text {
    width: 100%;
    margin-top: 10px;
  }
  .ctn1 .con .right .swiper-slide ul li a .text p {
    line-height: 1.6;
  }
  .ctn1 .con .right .swiper-slide ul li a .text h3 {
    position: relative;
    right: 0;
    opacity: 1;
    bottom: 0;
    margin-top: 10px;
  }
  .ctn1 .bg {
    width: 100%;
  }
}