.device_sub1_main {
  width: 100%;
  height: 887px;
  margin-top: 85px;
  padding: 0 90px;
}

.sub_intro {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.device_sub2_txt {
  width: 1115px;
  display: flex;
  justify-content: space-between;
}
.device_sub_txt {
  width: 1035px;
  display: flex;
  justify-content: space-between;
}

.sub_item {
  width: 31%;
  height: 740px;
  padding: 0 24px;
  background: #f5f5f5;
  border-radius: 20px;
  position: relative;
  box-shadow: 0px 0px 15px rgba(94, 114, 109, 0.3);
}

.sub_item h2 {
  font-size: 30px;
  height: 109px;
  line-height: 109px;
  text-align: center;
  background: #485C56;
  color: #ffffff;
  border-radius: 20px;
  box-shadow: 0px 5px 15px rgba(94, 114, 109, 0.5);
  margin-bottom: 20px;
}

.sub_item p {
  font-size: 26px;
  line-height: 44px;
  padding: 5px 15px;
}

.sub_item2 {
  width: 48%;
  height: 740px;
  padding: 0 24px;
  background: #f5f5f5;
  border-radius: 20px;
  position: relative;
  box-shadow: 0px 0px 15px rgba(94, 114, 109, 0.3);
}

.sub_item2 h2 {
  font-size: 40px;
  height: 109px;
  line-height: 109px;
  text-align: center;
  background: #485C56;
  color: #ffffff;
  border-radius: 20px;
  box-shadow: 0px 5px 15px rgba(94, 114, 109, 0.5);
  margin-bottom: 20px;
}

.sub_item2 p {
  font-size: 26px;
  line-height: 44px;
  padding: 5px 15px;
}
.sub_content2_txt{
  height: 450px;
  overflow-y: auto;
}
.device_sub_img {
  width: 560px;
  height: 740px;
}
.device_sub2_img {
  width: 641px;
  height: 740px;
}
.sub_item_btn{
  cursor: pointer;
  height: 52px;
  border: 1px solid #485C56;
  border-radius: 10px;
  background: #ffffff;
  display: block;
  line-height: 52px;
  text-align: center;
  width: 85%;
  color: #304740;
  font-size: 26px;
  position: absolute;
  bottom: 30px;
  display: none;
}
.sub_item2_btn{
  cursor: pointer;
  height: 52px;
  border: 1px solid #485C56;
  border-radius: 10px;
  background: #ffffff;
  display: block;
  line-height: 52px;
  text-align: center;
  width: 90%;
  color: #304740;
  font-size: 26px;
  position: absolute;
  bottom: 30px;
  display: none;
}
.swiper {
  --swiper-pagination-color: #485c56;
}

.my-bullet {
  width: 21px;
  height: 21px;
  display: inline-block;
  border-radius: 50%;
  margin: 0 27px 45px 27px;
  background-color: #000;
  opacity: .2;
  cursor: pointer;
}
.my-bullet-active {
  background-color: #485c56;
  opacity: 1;
}

.photos {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1080px;
  background-color: rgba(0,0,0,0.7);
  z-index: 9999;
}

.sub_main {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 1080px;
}

.sub_main .photo {
  padding: 22px 29px 49px 29px;
  margin-top: 90px;
  background-color: #fff;
  border-radius: 10px;
}
.sub_main .close {
  position: absolute;
  cursor: pointer;
  top: 120px;
  right: 140px;
  width: 42px;
  height: 42px;
  background-image: url(../images/close.png);
}
.swiper-button-next, .swiper-button-prev {
  color: #fff;
}