.s-titles {
  position: absolute;
  width: 100%;
  left: 0;
  top: 100px;
  z-index: 3;
  text-align: center;
}
.s-titles h2 {
  color: #fff;
}
.s-titles p {
  color: #fff;
  margin-top: 20px;
}
.ctn1 {
  position: relative;
  overflow: hidden;
}
.ctn1 .tu {
  position: relative;
  overflow: hidden;
}
.ctn1 .tu:before {
  content: '';
  display: block;
  padding-top: calc(1080 / 1920 * 100%);
}
.ctn1 .tu > img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
}
.ctn1 .tu ul li {
  position: absolute;
  left: 32.5%;
  top: 56%;
}
.ctn1 .tu ul li .yuan {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  position: relative;
}
.ctn1 .tu ul li .yuan:before {
  content: '';
  width: 50px;
  height: 50px;
  border: 13px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  box-sizing: border-box;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}
.ctn1 .tu ul li .box {
  position: absolute;
  width: 375px;
  padding: 50px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  bottom: -30px;
  left: 30px;
  opacity: 0;
  z-index: 10;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .tu ul li .box:after {
  content: "";
  position: absolute;
  left: -10px;
  bottom: 30px;
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid rgba(255, 255, 255, 0.8);
}
.ctn1 .tu ul li .box p {
  color: #666;
  margin-top: 6px;
}
.ctn1 .tu ul li .box dl {
  margin-top: 20px;
}
.ctn1 .tu ul li .box dl dd {
  margin-top: 8px;
  display: flex;
  align-items: center;
}
.ctn1 .tu ul li .box dl dd .icons {
  width: 33px;
  height: 33px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
  margin-right: 13px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ctn1 .tu ul li .box dl dd .icons img {
  width: 16px;
}
.ctn1 .tu ul li .box dl dd h3 {
  color: #666;
}
.ctn1 .tu ul li:nth-child(2) {
  left: 67%;
  top: 51%;
}
.ctn1 .tu ul li.active .box {
  opacity: 1;
  left: 60px;
}
.ctn1 .ctn-bottom {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 60px;
  z-index: 4;
}
.ctn1 .ctn-bottom .con {
  position: relative;
}
.ctn1 .ctn-bottom .con .swiper-container {
  overflow: hidden;
}
.ctn1 .ctn-bottom .con .swiper-slide {
  padding-top: 20px;
  border-top: 1px solid #fff;
  color: #fff;
}
.ctn1 .ctn-bottom .con .swiper-slide p {
  margin-top: 6px;
  opacity: 0.6;
}
.ctn1 .ctn-bottom .con .swiper-button-prev {
  width: 24px;
  height: 24px;
  position: absolute;
  left: -50px;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  margin-top: 0;
}
.ctn1 .ctn-bottom .con .swiper-button-prev:after {
  content: '\e601';
  font-family: iconfont;
  font-size: 20px;
  color: #fff;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-bottom .con .swiper-button-prev:hover:after {
  color: var(--color);
}
.ctn1 .ctn-bottom .con .swiper-button-next {
  width: 24px;
  height: 24px;
  position: absolute;
  right: -50px;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  margin-top: 0;
}
.ctn1 .ctn-bottom .con .swiper-button-next:after {
  content: '\e683';
  font-family: iconfont;
  font-size: 20px;
  color: #fff;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-bottom .con .swiper-button-next:hover:after {
  color: var(--color);
}
.ctn2 {
  position: relative;
  overflow: hidden;
}
.ctn2 .tu {
  position: relative;
  overflow: hidden;
}
.ctn2 .tu:before {
  content: '';
  display: block;
  padding-top: calc(1080 / 1920 * 100%);
}
.ctn2 .tu > img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
}
.ctn3 {
  position: relative;
  overflow: hidden;
}
.ctn3 .tu {
  position: relative;
  overflow: hidden;
}
.ctn3 .tu:before {
  content: '';
  display: block;
  padding-top: calc(1080 / 1920 * 100%);
}
.ctn3 .tu img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
}
.ctn3 .content {
  position: absolute;
  width: 506px;
  left: 12.5%;
  top: 54%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn3 .content .swiper-container {
  overflow: hidden;
  border-radius: 10px;
  padding-bottom: 0;
}
.ctn3 .content .swiper-slide {
  border-radius: 10px;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
}
.ctn3 .content .swiper-slide .pic {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
}
.ctn3 .content .swiper-slide .pic:before {
  content: '';
  display: block;
  padding-top: calc(276 / 506 * 100%);
}
.ctn3 .content .swiper-slide .pic img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn3 .content .swiper-slide .pic:hover img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.ctn3 .content .swiper-slide .text {
  background: rgba(255, 255, 255, 0.8);
  padding: 50px 50px 110px;
}
.ctn3 .content .swiper-slide .text p {
  color: #666666;
  margin-top: 6px;
}
.ctn3 .content .swiper-slide.swiper-slide-active {
  opacity: 1;
}
.ctn3 .content .swiper-pagination {
  bottom: 50px;
  text-align: left;
  padding: 0 50px;
  margin-top: 0;
  position: absolute;
}
.ctn3 .content .swiper-pagination .swiper-pagination-bullet {
  border-radius: 38px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn3 .content .swiper-pagination .swiper-pagination-bullet-active {
  width: 27px;
  background: #000;
}
.ctn4 {
  position: relative;
  overflow: hidden;
}
.ctn4 .tu img {
  width: 100%;
}
@media screen and (max-width: 1680px) {
  .s-titles {
    top: 5vw;
  }
  .s-titles p {
    margin-top: 14px;
  }
  .ctn1 .tu ul li .box {
    padding: 2.5vw;
    width: 21vw;
  }
  .ctn1 .ctn-bottom {
    bottom: 3vw;
  }
  .ctn3 .content {
    width: 26vw;
    left: 10%;
  }
  .ctn3 .content .swiper-slide .text {
    padding: 2.5vw 2.5vw 5.5vw;
  }
  .ctn3 .content .swiper-pagination {
    bottom: 2.5vw;
    padding: 0 2.5vw;
  }
}
@media screen and (max-width: 1440px) {
  .ctn1 .ctn-bottom .con {
    padding: 0 30px;
  }
  .ctn1 .ctn-bottom .con .swiper-slide {
    padding-top: 14px;
  }
  .ctn1 .ctn-bottom .con .swiper-button-prev {
    left: -20px;
  }
  .ctn1 .ctn-bottom .con .swiper-button-next {
    right: -20px;
  }
}
@media screen and (max-width: 1200px) {
  .ctn1 .tu ul li .box {
    width: 23vw;
  }
  .ctn3 .content {
    width: 28vw;
    left: 8%;
    top: 58%;
  }
  .ctn3 .content .swiper-slide .text {
    padding: 2.5vw 2.5vw 7vw;
  }
}
@media screen and (max-width: 768px) {
  .s-titles {
    top: 0;
    position: relative;
  }
  .s-titles h2 {
    color: #333;
  }
  .s-titles p {
    color: #333;
    margin-top: 10px;
  }
  .ctn1 {
    padding-top: 14vw;
  }
  .ctn1 .tu {
    margin-top: 30px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    border-radius: 10px;
    overflow: hidden;
  }
  .ctn1 .tu ul {
    display: none;
  }
  .ctn1 .ctn-bottom {
    bottom: 0;
    position: relative;
    margin-top: 30px;
  }
  .ctn1 .ctn-bottom .con .swiper-slide {
    border-top: 1px solid #000;
    color: #333;
  }
  .ctn1 .ctn-bottom .con .swiper-button-prev {
    left: -10px;
  }
  .ctn1 .ctn-bottom .con .swiper-button-prev:after {
    color: #000;
  }
  .ctn1 .ctn-bottom .con .swiper-button-next {
    right: -10px;
  }
  .ctn1 .ctn-bottom .con .swiper-button-next:after {
    color: #000;
  }
  .ctn2 {
    padding-top: 14vw;
  }
  .ctn2 .tu {
    margin-top: 30px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    border-radius: 10px;
    overflow: hidden;
  }
  .ctn3 {
    padding-top: 14vw;
  }
  .ctn3 .tu {
    margin-top: 30px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    display: none;
  }
  .ctn3 .content {
    width: 90%;
    position: relative;
    left: 5%;
    top: 0;
    margin-top: 30px;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
  }
  .ctn3 .content .swiper-container {
    padding-bottom: 50px;
  }
  .ctn3 .content .swiper-slide .text {
    padding: 20px 0 0;
  }
  .ctn3 .content .swiper-pagination {
    position: absolute;
    bottom: 0;
    padding: 0;
    text-align: center;
  }
}