img {
  display: block;
  width: 100%;
}
.page-switch-box {
  width: 100%;
  height: 50px;
}
.page-switch-box .my-container {
  position: relative;
  height: 100%;
}
.page-switch-box .my-container .tab-list {
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fff;
}
.page-switch-box .my-container .tab-list .item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50%;
  height: 100%;
}
.page-switch-box .my-container .tab-list .item img {
  width: 60px;
}
.page-switch-box .my-container .tab-list .item .text-group {
  padding-left: 10px;
}
.page-switch-box .my-container .tab-list .item .text-group h4 {
  font-size: 14px;
  line-height: 16px;
  color: #666;
}
.page-switch-box .my-container .tab-list .item .text-group h5 {
  margin-top: 6px;
  font-size: 16px;
  line-height: 18px;
  color: #333;
}
.page-switch-box .my-container .tab-list .item .line {
  position: absolute;
  bottom: 0;
  left: 0;
  display: none;
  width: 100%;
  height: 4px;
  background-color: #02376d;
}
.page-switch-box .my-container .tab-list .item + .item {
  border-left: 1px solid #e5e5e5;
}
.page-switch-box .my-container .tab-list .item.active .line {
  display: block;
}
.part-one {
  position: relative;
  width: 100%;
}
.part-one .my-container {
  width: 100%;
  padding-top: 102px;
}
.part-one .my-container .title-font-one {
  text-align: center;
  font-size: 51px;
  line-height: 60px;
  color: #333;
}
.part-one .my-container .sub-title {
  margin-top: 23px;
  text-align: center;
  font-size: 30px;
  line-height: 32px;
  color: #666;
}
.part-one .my-container .carousel {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding-bottom: 127px;
  padding-top: 82px;
  background-repeat: repeat-y;
  background-size: 100% auto;
  background-position: center top;
  background-image: url(/static/cn/images/advantage/development_part_one_bg.png);
}
.part-one .my-container .carousel .swiper-slide {
  width: 100%;
  display: none;
}
.part-one .my-container .carousel .swiper-slide.show {
  display: block;
}
.part-one .my-container .carousel .swiper-slide .content-box {
  display: flex;
  align-items: center;
  padding-left: 390px;
  height: 130px;
}
.part-one .my-container .carousel .swiper-slide .content-box h2 {
  font-size: 50px;
  line-height: 52px;
  color: #333;
  transition: all 0.2s;
}
.part-one .my-container .carousel .swiper-slide .content-box .line-box {
  position: relative;
  margin-left: 98px;
  margin-right: 70px;
  width: 18px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part-one .my-container .carousel .swiper-slide .content-box .line-box .line {
  width: 1px;
  height: 100%;
  border: 1px dashed #ccc;
}
.part-one .my-container .carousel .swiper-slide .content-box .line-box .circular {
  position: absolute;
  top: 36%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: rgba(2, 55, 109, 0);
  border-radius: 100%;
  transition: all 0.2s;
}
.part-one .my-container .carousel .swiper-slide .content-box .line-box .circular .small {
  width: 18px;
  height: 18px;
  background-color: #666;
  border-radius: 100%;
  transition: all 0.2s;
}
.part-one .my-container .carousel .swiper-slide .content-box p {
  width: 500px;
  font-size: 18px;
  line-height: 26px;
  color: #666;
}
.part-one .my-container .carousel .swiper-slide:hover .content-box h2 {
  color: #02376d;
}
.part-one .my-container .carousel .swiper-slide:hover .content-box .line-box .circular {
  background-color: #02376d;
  animation: rubberBand 1s;
}
.part-one .my-container .carousel .swiper-slide:hover .content-box .line-box .circular .small {
  background-color: #fff;
}
.part-one .my-container .carousel .swiper-container {
  width: 100%;
  height: 855px;
}
.part-one .my-container .carousel .swiper-container .gradual {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 50px;
  background-repeat: repeat-x;
  background-position: center center;
  background-size: auto 50px;
  background-image: url(/static/cn/images/advantage/jianbian.png);
  z-index: 5;
}
.part-one .my-container .carousel .next-btn-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding-top: 30px;
}
.part-one .my-container .carousel .next-btn-box .swiper-button-next {
  position: relative;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 135px;
  height: 50px;
  margin: 0;
  font-size: 18px;
  border-radius: 3px;
  background-image: none;
  background-color: #02376d;
  color: #fff;
  outline: 0;
}
.part-one .my-container .carousel .next-btn-box .swiper-button-next.swiper-button-disabled {
  opacity: 0.6;
}
.part-one .my-container .tips-text {
  position: relative;
  top: -72px;
  text-align: center;
  font-size: 18px;
  line-height: 24px;
  color: #999;
}