.img-box img {
  width: 100%;
  height: auto;
}
.flex {
  display: -webkit-box;
  display: flex;
}
.flex-between {
  -webkit-box-pack: justify;
          justify-content: space-between;
}
.banner {
  max-width: 100%;
  min-width: 1200px;
}
.section {
  width: 100%;
}
.section .section-head {
  width: 673px;
  margin: 0 auto;
}
.section .section-head .title-box {
  text-align: center;
  margin-bottom: 24px;
}
.section .section-head .title {
  font-size: 36px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #111111;
  line-height: 26px;
  position: relative;
}
.section .section-head .title::before {
  content: '';
  display: block;
  position: absolute;
  width: 53px;
  height: 14px;
  background-image: url(../img/robot_yi/left.png);
  background-size: 100% auto;
  background-repeat: no-repeat;
  left: -77px;
  top: 17px;
}
.section .section-head .title::after {
  content: '';
  display: block;
  position: absolute;
  width: 53px;
  height: 14px;
  background-image: url(../img/robot_yi/right.png);
  background-size: 100% auto;
  background-repeat: no-repeat;
  right: -77px;
  top: 17px;
}
.section .section-head .subtitle {
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 26px;
  text-align: center;
  margin-bottom: 24px;
}
.section1 {
  height: 718px;
}
.section1 .section1-w {
  width: 1200px;
  margin: 0 auto;
  padding: 79px 0 0 0;
}
.section1-content {
  margin-top: 30px;
  margin-bottom: 81px;
}
.section1-content .item {
  width: 380px;
  height: 420px;
  padding: 40px 29px 0 29px;
  box-sizing: border-box;
  border: 1px solid #E0E0E0;
  background-color: #fff;
  -webkit-transition: all ease 300ms;
  transition: all ease 300ms;
}
.section1-content .item:hover {
  border: 1px solid transparent;
  background-color: #18B6C1;
  -webkit-transform: translateY(-10px);
          transform: translateY(-10px);
  box-shadow: 0px 10px 40px 0px rgba(83, 86, 90, 0.15);
}
.section1-content .item:hover .info-box .title {
  color: #fff;
}
.section1-content .item:hover .info-box .subtitle {
  color: #fff;
}
.section1-content .item .img-box {
  width: 200px;
  height: 200px;
  margin: 0 auto 38px;
  border-radius: 50%;
}
.section1-content .item .info-box .title {
  font-size: 20px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #111111;
  line-height: 20px;
  margin-bottom: 15px;
  text-align: center;
}
.section1-content .item .info-box .subtitle {
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 24px;
  text-align: center;
}
.section2 {
  padding-top: 80px;
  height: 700px;
  box-sizing: border-box;
  background: #F7F7F7;
}
.section2 .section2-w {
  width: 1200px;
  margin: 0 auto;
}
.section2 .swiper-slide.swiper-slide-active .img-box {
  opacity: 1;
  -webkit-transform: translate3d(0,0,0);
          transform: translate3d(0,0,0);
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: opacity,-webkit-transform;
  transition-property: opacity,-webkit-transform;
  transition-property: opacity,transform;
  transition-property: opacity,transform,-webkit-transform;
}
.section2 .swiper-slide.swiper-slide-active .right-box .block {
  opacity: 1;
  -webkit-transform: translate3d(0,0,0);
          transform: translate3d(0,0,0);
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: -webkit-transform;
  transition-property: -webkit-transform;
  transition-property: transform;
  transition-property: transform, -webkit-transform;
}
.section2 .swiper-slide.swiper-slide-active .right-box .block .number {
  -webkit-transform: scale(1);
          transform: scale(1);
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: -webkit-transform;
  transition-property: -webkit-transform;
  transition-property: transform;
  transition-property: transform, -webkit-transform;
}
.section2 .swiper-slide.swiper-slide-active .right-box .block .eng-title {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  white-space: pre;
}
.section2 .swiper-slide.swiper-slide-active .right-box .block .eng-title span {
  -webkit-animation: landIn 0.3s ease-out both;
          animation: landIn 0.3s ease-out both;
}
.section2 .swiper-slide.swiper-slide-active .right-box .block .title {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  white-space: pre;
}
.section2 .swiper-slide.swiper-slide-active .right-box .block .title span {
  -webkit-animation: landIn 1s ease-out both;
          animation: landIn 1s ease-out both;
}
.section2 .swiper-slide.swiper-slide-active .right-box .block .txt {
  opacity: 1;
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: opacity,-webkit-transform;
  transition-property: opacity,-webkit-transform;
  transition-property: opacity,transform;
  transition-property: opacity,transform,-webkit-transform;
}
.section2 .swiper-slide .img-box {
  width: 680px;
  height: 540px;
  opacity: 0;
  -webkit-transform: translate3d(0, 100px, 0);
          transform: translate3d(0, 100px, 0);
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: opacity,-webkit-transform;
  transition-property: opacity,-webkit-transform;
  transition-property: opacity,transform;
  transition-property: opacity,transform,-webkit-transform;
}
.section2 .swiper-slide .right-box {
  width: 520px;
  padding: 49px 0 0 39px;
  box-sizing: border-box;
  position: relative;
}
.section2 .swiper-slide .right-box .eng-title {
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 17px;
  margin-bottom: 20px;
}
.section2 .swiper-slide .right-box .title {
  font-size: 36px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #111111;
  line-height: 37px;
}
.section2 .swiper-slide .right-box .block {
  position: absolute;
  top: 166px;
  left: -53px;
  width: 572px;
  height: 333px;
  background: #18B6C1;
  padding: 36px 56px 0 54px;
  box-sizing: border-box;
  overflow: hidden;
  opacity: 0;
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: -webkit-transform;
  transition-property: -webkit-transform;
  transition-property: transform;
  transition-property: transform, -webkit-transform;
  opacity: 0;
  -webkit-transform: translate3d(0,100px,0);
          transform: translate3d(0,100px,0);
}
.section2 .swiper-slide .right-box .block .number {
  margin-left: 390px;
  width: 68px;
  height: 68px;
  -webkit-transform: scale(0);
          transform: scale(0);
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: -webkit-transform;
  transition-property: -webkit-transform;
  transition-property: transform;
  transition-property: transform, -webkit-transform;
}
.section2 .swiper-slide .right-box .block .eng-title {
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 14px;
  margin-bottom: 10px;
}
.section2 .swiper-slide .right-box .block .title {
  font-size: 26px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 26px;
  margin-bottom: 20px;
}
.section2 .swiper-slide .right-box .block .txt {
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 24px;
  opacity: 0;
  -webkit-transform: translate3d(0, 50px, 0);
          transform: translate3d(0, 50px, 0);
  -webkit-transition-duration: 1s;
          transition-duration: 1s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-property: opacity,-webkit-transform;
  transition-property: opacity,-webkit-transform;
  transition-property: opacity,transform;
  transition-property: opacity,transform,-webkit-transform;
}
.section2 .swiper-button-next {
  width: 40px;
  height: 40px;
  background-image: url(../img/robot_yi/rightr2.png);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  top: 427px;
  right: 56px;
  left: auto;
  cursor: pointer;
}
.section2 .swiper-button-next:hover {
  background-image: url(../img/robot_yi/rightr.png);
  cursor: pointer;
}
.section2 .swiper-button-prev {
  width: 40px;
  height: 40px;
  background-image: url(../img/robot_yi/leftr2.png);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  top: 427px;
  right: 106px;
  left: auto;
  cursor: pointer;
}
.section2 .swiper-button-prev:hover {
  background-image: url(../img/robot_yi/leftr.png);
  cursor: pointer;
}
.section3 {
  padding: 78px 0 0 0;
  height: 506px;
  background-image: url(../img/robot_yi/bg.png);
  background-repeat: no-repeat;
  background-size: cover;
}
.section3 .section-head .title {
  color: #fff;
}
.section3 .section-head .title::before {
  background-image: url(../img/robot_yi/left1.png);
}
.section3 .section-head .title::after {
  background-image: url(../img/robot_yi/right1.png);
}
.section3 .section-head .subtitle {
  color: #fff;
}
.section3 .section3-w {
  width: 1200px;
  margin: 0 auto;
}
.section3 .section-content {
  padding-top: 40px;
}
.section3 .item {
  width: 140px;
}
.section3 .item:hover .img-box {
  background-color: #18B6C1;
}
.section3 .item .img-box {
  width: 100%;
  height: 140px;
  border-radius: 50%;
  border: 1px solid #18B6C1;
  box-sizing: border-box;
  margin-bottom: 28px;
}
.section3 .item .img-box:hover {
  -webkit-animation: bounce 1s;
          animation: bounce 1s;
}
.section3 .item .img-box img {
  display: block;
  width: 60px;
  height: 60px;
  margin: 40px auto 0;
}
.section3 .item .img-box img.hide {
  display: none;
}
.section3 .item .txt {
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 16px;
  text-align: center;
}
.section4 {
  padding: 79px 0 0 0;
}
.section4 .section4-w {
  width: 1200px;
  margin: 0 auto;
}
.section4 .section-content {
  margin-top: 30px;
  margin-bottom: 80px;
}
.section4 .section-content .item {
  width: 400px;
  height: 400px;
  padding: 153px 80px 0 80px;
  box-sizing: border-box;
  position: relative;
}
.section4 .section-content .item:hover .img-box img {
  -webkit-transform: scale(1.1);
          transform: scale(1.1);
}
.section4 .section-content .item .img-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}
.section4 .section-content .item .img-box img {
  -webkit-transition: all 0.3s ease-in;
  transition: all 0.3s ease-in;
}
.section4 .section-content .item .info-box .title {
  font-size: 28px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #FFFFFF;
  line-height: 28px;
  margin-bottom: 26px;
  text-align: center;
  position: relative;
}
.section4 .section-content .item .info-box .title::before {
  content: '';
  display: block;
  position: absolute;
  background-repeat: no-repeat;
  background-size: 100% auto;
  width: 72px;
  height: 1px;
  background: -webkit-gradient(linear, right top, left top, from(#FFFFFF), to(rgba(255, 255, 255, 0)));
  background: linear-gradient(270deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
  top: 13px;
  left: -11px;
}
.section4 .section-content .item .info-box .title::after {
  content: '';
  display: block;
  position: absolute;
  background-repeat: no-repeat;
  background-size: 100% auto;
  width: 72px;
  height: 1px;
  background: -webkit-gradient(linear, left top, right top, from(#FFFFFF), to(rgba(255, 255, 255, 0)));
  background: linear-gradient(90deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
  top: 13px;
  right: -11px;
}
.section4 .section-content .item .info-box .subtitle {
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 24px;
  text-align: center;
}
@-webkit-keyframes landIn {
  from {
    opacity: 0;
    -webkit-transform: translateY(-20%);
            transform: translateY(-20%);
  }
  to {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}
@keyframes landIn {
  from {
    opacity: 0;
    -webkit-transform: translateY(-20%);
            transform: translateY(-20%);
  }
  to {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}
@-webkit-keyframes bounce {
  from,
  20%,
  53%,
  80%,
  to {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
  40%,
  43% {
    -webkit-transform: translate3d(0, -15px, 0);
            transform: translate3d(0, -15px, 0);
  }
  70% {
    -webkit-transform: translate3d(0, -7px, 0);
            transform: translate3d(0, -7px, 0);
  }
  90% {
    -webkit-transform: translate3d(0, -2px, 0);
            transform: translate3d(0, -2px, 0);
  }
}
@keyframes bounce {
  from,
  20%,
  53%,
  80%,
  to {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
  40%,
  43% {
    -webkit-transform: translate3d(0, -15px, 0);
            transform: translate3d(0, -15px, 0);
  }
  70% {
    -webkit-transform: translate3d(0, -7px, 0);
            transform: translate3d(0, -7px, 0);
  }
  90% {
    -webkit-transform: translate3d(0, -2px, 0);
            transform: translate3d(0, -2px, 0);
  }
}