.swiper-button-prev {
  width: 50px;
  height: 50px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: absolute;
  left: -70px;
  margin-top: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.swiper-button-prev:before {
  display: none;
}
.swiper-button-prev:after {
  content: '\e601';
  font-family: iconfont;
  font-size: 18px;
  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;
}
.swiper-button-prev:hover {
  border: 1px solid var(--color);
  background: var(--color);
}
.swiper-button-prev:hover:after {
  color: #000;
}
.swiper-button-next {
  width: 50px;
  height: 50px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: absolute;
  right: -70px;
  margin-top: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.swiper-button-next:before {
  display: none;
}
.swiper-button-next:after {
  content: '\e683';
  font-family: iconfont;
  font-size: 18px;
  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;
}
.swiper-button-next:hover {
  border: 1px solid var(--color);
  background: var(--color);
}
.swiper-button-next:hover:after {
  color: #000;
}
.swiper-pagination {
  display: none;
}
@keyframes radarWave {
  0% {
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 0.6;
  }
  70% {
    opacity: 0.2;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.8);
    opacity: 0;
  }
}
.big-box {
  position: relative;
  overflow: hidden;
}
.big-box .ctn1 {
  position: relative;
  z-index: 2;
  padding-top: 300px;
}
.big-box .ctn1 .ctn-top {
  color: #fff;
  text-align: center;
  width: 1024px;
  max-width: 100%;
  margin: 0 auto;
}
.big-box .ctn1 .ctn-top p {
  line-height: 1.8;
}
.big-box .ctn1 .ctn-top ul {
  display: flex;
  justify-content: space-between;
}
.big-box .ctn1 .ctn-top ul li {
  width: 33.333%;
  text-align: center;
  position: relative;
}
.big-box .ctn1 .ctn-top ul li:after {
  content: '';
  width: 1px;
  height: 65px;
  background: rgba(255, 255, 255, 0.3);
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.big-box .ctn1 .ctn-top ul li .nums {
  display: flex;
  justify-content: center;
  color: #fff;
}
.big-box .ctn1 .ctn-top ul li .nums h2 {
  font-size: 62px;
}
.big-box .ctn1 .ctn-top ul li .nums span {
  font-size: 62px;
}
.big-box .ctn1 .ctn-top ul li:last-child:after {
  display: none;
}
.big-box .ctn1 .ctn-middle {
  margin-top: 180px;
  position: relative;
}
.big-box .ctn1 .ctn-middle > img {
  width: 100%;
}
.big-box .ctn1 .ctn-middle ul li {
  position: absolute;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
}
.big-box .ctn1 .ctn-middle ul li.head {
  width: 165px;
  height: 165px;
  border: 2px dotted #fff;
  background: rgba(255, 255, 255, 0.2);
}
.big-box .ctn1 .ctn-middle ul li .yuan1,
.big-box .ctn1 .ctn-middle ul li .yuan2,
.big-box .ctn1 .ctn-middle ul li .yuan3 {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0);
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
  opacity: 0;
}
.big-box .ctn1 .ctn-middle ul li .yuan1 {
  width: 300px;
  height: 300px;
  animation: radarWave 3s linear infinite 0s;
}
.big-box .ctn1 .ctn-middle ul li .yuan2 {
  width: 400px;
  height: 400px;
  animation: radarWave 3s linear infinite 1s;
}
.big-box .ctn1 .ctn-middle ul li .yuan3 {
  width: 500px;
  height: 500px;
  animation: radarWave 3s linear infinite 2s;
}
.big-box .ctn1 .ctn-middle ul li dl {
  position: absolute;
  width: 180px;
  left: -190px;
  top: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 6px;
  padding-bottom: 20px;
  display: none;
}
.big-box .ctn1 .ctn-middle ul li dl dd {
  color: rgba(255, 255, 255, 0.5);
  padding: 0 30px;
  margin-top: 20px;
  position: relative;
  line-height: 1.3;
  cursor: pointer;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.big-box .ctn1 .ctn-middle ul li dl dd:after {
  content: '\e683';
  font-family: iconfont;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.5);
  position: absolute;
  right: 24px;
  top: -1px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.big-box .ctn1 .ctn-middle ul li dl dd:hover {
  color: #fff;
}
.big-box .ctn1 .ctn-middle ul li dl dd:hover:after {
  color: #fff;
}
.big-box .ctn1 .ctn-middle ul li.right dl {
  left: auto;
  right: -190px;
}
.big-box .ctn1 .ctn-middle ul li:hover {
  z-index: 10;
}
.big-box .ctn1 .ctn-bottom {
    display: none;
}
.big-box .ctn1 .ctn-bottom h2 {
  color: #fff;
}
.big-box .ctn1 .ctn-bottom .box {
  position: relative;
}
.big-box .ctn1 .ctn-bottom .box .swiper-slide .tu {
  position: relative;
  overflow: hidden;
}
.big-box .ctn1 .ctn-bottom .box .swiper-slide .tu:before {
  content: '';
  display: block;
  padding-top: calc(311 / 466 * 100%);
}
.big-box .ctn1 .ctn-bottom .box .swiper-slide .tu 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;
}
.big-box .ctn1 .ctn-bottom .box .swiper-slide:hover .tu img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.big-box .bg {
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  z-index: 1;
}
.big-box .bg img {
  width: 100%;
}
@media screen and (max-width: 1680px) {
  .big-box .ctn1 {
    padding-top: 15vw;
  }
  .big-box .ctn1 .ctn-top ul li .nums h2 {
    font-size: 3.1vw;
  }
  .big-box .ctn1 .ctn-top ul li .nums span {
    font-size: 3.1vw;
  }
  .big-box .ctn1 .ctn-middle {
    margin-top: 9vw;
  }
  .big-box .ctn1 .ctn-middle ul li {
    width: 5vw;
    height: 5vw;
  }
  .big-box .ctn1 .ctn-middle ul li span {
    font-size: 1vw;
  }
  .big-box .ctn1 .ctn-middle ul li.head {
    width: 8.5vw;
    height: 8.5vw;
  }
  .big-box .ctn1 .ctn-middle ul li .yuan1 {
    width: 15vw;
    height: 15vw;
  }
  .big-box .ctn1 .ctn-middle ul li .yuan2 {
    width: 20vw;
    height: 20vw;
  }
  .big-box .ctn1 .ctn-middle ul li .yuan3 {
    width: 25vw;
    height: 25vw;
  }
}
@media screen and (max-width: 1440px) {
  .big-box .ctn1 .ctn-middle ul li .yuan img {
    height: 24px;
  }
  .big-box .ctn1 .ctn-middle ul li dl {
    width: 150px;
    font-size: 14px;
    left: -160px;
    padding-bottom: 14px;
  }
  .big-box .ctn1 .ctn-middle ul li dl dd {
    padding: 0 20px;
    margin-top: 14px;
  }
  .big-box .ctn1 .ctn-middle ul li dl dd:after {
    font-size: 14px;
    right: 14px;
  }
  .big-box .ctn1 .ctn-middle ul li.right dl {
    right: -160px;
  }
}
@media screen and (max-width: 1200px) {
  .swiper-button-prev {
    width: 40px;
    height: 40px;
    left: -45px;
  }
  .swiper-button-next {
    width: 40px;
    height: 40px;
    right: -45px;
  }
  .big-box {
    margin-top: 66px;
  }
  .big-box .ctn1 {
    padding-top: 12vw;
  }
  .big-box .ctn1 .ctn-top ul li:after {
    height: 55px;
  }
  .big-box .ctn1 .ctn-middle ul li .yuan img {
    height: 20px;
  }
}
@media screen and (max-width: 768px) {
  .swiper-button-prev {
    display: none;
  }
  .swiper-button-next {
    display: none;
  }
  .swiper-pagination {
    display: block;
    width: 100%;
    position: relative;
    bottom: 0;
    margin-top: 20px;
  }
  .swiper-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #fff;
    opacity: 0.3;
    margin: 0 4px;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
  }
  .swiper-pagination .swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--color);
  }
  .big-box .ctn1 .ctn-top p {
    line-height: 1.6;
  }
  .big-box .ctn1 .ctn-top ul li:after {
    height: 40px;
  }
  .big-box .ctn1 .ctn-top ul li .nums h2 {
    font-size: 20px;
  }
  .big-box .ctn1 .ctn-top ul li .nums span {
    font-size: 20px;
  }
  .big-box .ctn1 .ctn-top ul li p {
    font-size: 14px;
  }
  .big-box .ctn1 .ctn-middle ul li {
    width: 14px;
    height: 14px;
  }
  .big-box .ctn1 .ctn-middle ul li span {
    font-size: 12px;
    color: #fff;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    top: 18px;
    white-space: nowrap;
  }
  .big-box .ctn1 .ctn-middle ul li.head {
    width: 32px;
    height: 32px;
  }
  .big-box .ctn1 .ctn-middle ul li.head .yuan {
    height: 8px;
  }
  .big-box .ctn1 .ctn-middle ul li.head .yuan img {
    height: 8px;
  }
  .big-box .ctn1 .ctn-middle ul li .yuan1 {
    width: 60px;
    height: 60px;
  }
  .big-box .ctn1 .ctn-middle ul li .yuan2 {
    width: 80px;
    height: 80px;
  }
  .big-box .ctn1 .ctn-middle ul li .yuan3 {
    width: 100px;
    height: 100px;
  }
  .big-box .ctn1 .ctn-bottom {
    margin-top: 8vw;
  }
}