.header-3 {
  color: #b7b7b7;
}
.title {
  position: absolute;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  width: 100%;
  left: 0;
  top: 50%;
  opacity: 1;
  -webkit-transition: all 1s;
  transition: all 1s;
}
.main-img .page-logo {
  width: 11.8%;
  -webkit-transform: translate(0, -100px);
  transform: translate(0, -100px);
  -webkit-transition: all 1.6s ease;
  transition: all 1.6s ease;
}
.main-image {
  position: fixed;
  left: 0;
  width: 100%;
  top: 50px;
}
.title-name {
  margin-top: 2.85rem;
  font-family: PingFangSC-Regular, Noto Sans SC;
  font-weight: 400;
  font-size: 2.7rem;
  color: #ffffff;
  letter-spacing: 0;
  margin-bottom: 36px;
  -webkit-transform: translate(0, -100px);
  transform: translate(0, -100px);
  -webkit-transition: all 1.2s ease;
  transition: all 1.2s ease;
}
.bottom-arrow {
  width: 3%;
  cursor: pointer;
  -webkit-transform: translate(0, -100px);
  transform: translate(0, -100px);
  -webkit-transition: all 0.8s ease;
  transition: all 0.8s ease;
}
.page-explain {
  width: 93.8%;
  background: #ffffff;
  text-align: center;
  padding: 100px 0 66px 0;
  margin: 0 auto;
  margin-top: -10rem;
  position: relative;
  z-index: 1;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.explain-title {
  font-family: PingFangSC-Medium, Noto Sans SC;
  font-weight: 500;
  font-size: 4.28rem;
  color: #121212;
  letter-spacing: 0;
  text-align: center;
  line-height: 72px;
  margin-bottom: 27px;
}
.explain-content {
  font-family: PingFangSC-Light, Noto Sans SC;
  font-weight: 300;
  font-size: 1.57rem;
  color: #121212;
  letter-spacing: 0;
  text-align: center;
  line-height: 38px;
  /* font-weight: lighter; */
  width: 44.5%;
  margin: 0 auto;
}
.info-box {
  background: #1c1b1b;
  padding: 10% 9.7% 12% 9.7%;
}
.info-title {
  width: 23.6%;
}
.info-title span:first-child {
  font-family: PingFangSC-Regular, Noto Sans SC;
  font-weight: 400;
  font-size: 1.85rem;
  color: #ffffff;
  letter-spacing: 0;
  line-height: 54px;
}
.info-title span:last-child {
  font-family: PingFangSC-Medium, Noto Sans SC;
  font-weight: 500;
  font-size: 2.42rem;
  color: #ffffff;
  letter-spacing: 0;
  line-height: 42px;
}
.info-content {
  font-family: PingFangSC-Regular, Noto Sans SC;
  font-weight: 400;
  font-size: 1.28rem;
  color: #999999;
  letter-spacing: 0;
  line-height: 36px;
  margin-top: 45px;
  width: 23.6%;
}
.banner-box {
  height: 58rem;
  padding-bottom: 4%;
}
.banner-item {
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: flex !important;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  height: 100%;
}
.bannrer-explain {
  margin-left: 5.9%;
  width: 22%;
  min-width: 300px;
}
.explain-1 {
  font-family: PingFangSC-Regular, Noto Sans SC;
  font-weight: 400;
  font-size: 1.42rem;
  color: #121212;
  letter-spacing: 0;
  margin-bottom: 15px;
}
.explain-2 {
  font-family: PingFangSC-Medium, Noto Sans SC;
  font-weight: 500;
  font-size: 3.57rem;
  color: #121212;
  letter-spacing: 0;
  line-height: 37px;
  margin-bottom: 25px;
}
.explain-3 {
  font-family: PingFangSC-Light, Noto Sans SC;
  font-weight: 300;
  font-size: 2rem;
  color: #121212;
  letter-spacing: 0;
  line-height: 44px;
  margin-bottom: 50px;
}
.banner-look-detail {
  background: #fafafa;
  border-radius: 30px;
  font-family: PingFangSC-Regular, Noto Sans SC;
  font-weight: 400;
  font-size: 1.42rem;
  color: #333333;
  letter-spacing: 0;
  text-align: center;
  padding: 16px 40px;
  cursor: pointer;
}
.banner-look-detail:hover {
  background: #121212;
  color: #ffffff;
}
.banner-progress {
  width: 49%;
  height: 1px;
  background: rgba(18, 18, 18, 0.2);
  margin-left: 1.4%;
  margin-right: 1.9%;
}
.banner-progress span {
  width: 0%;
  height: 100%;
  background: rgb(0, 0, 0);
  display: block;
}
.banner-left,
.banner-right {
  cursor: pointer;
  line-height: 16px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.banner-left img,
.banner-right img {
  height: 13px;
  width: 7.5px;
}
.banner-right {
  margin-left: 19px;
}
.select {
  display: none;
}
.banner-left:hover .select {
  display: inherit;
}
.banner-left:hover .not-select {
  display: none;
}
.banner-right:hover .select {
  display: inherit;
}
.banner-right:hover .not-select {
  display: none;
}
.product-box {
  width: 100%;
  left: 0;
}
.product-explain {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  text-align: center;
  color: #ffffff;
  opacity: 1;
  -webkit-transition: 1s;
  transition: 1s;
}
.product-explain-1 {
  font-family: PingFangSC-Medium, Noto Sans SC;
  font-weight: 500;
  font-size: 4.28rem;
  line-height: 72px;
  margin-bottom: 26px;
  width: 42%;
  min-width: 620px;
}
.product-explain-2 {
  font-family: PingFangSC-Light, Noto Sans SC;
  font-weight: 300;
  font-size: 1.57rem;
  line-height: 38px;
  /* font-weight: lighter; */
  width: 42%;
  min-width: 620px;
  margin-bottom: 28px;
}
.we-product {
  border: 1px solid #ffffff;
  border-radius: 30px;
  font-family: PingFangSC-Regular, Noto Sans SC;
  font-weight: 400;
  font-size: 1.28rem;
  color: #ffffff;
  letter-spacing: 0;
  text-align: center;
  padding: 18px 35px;
  cursor: pointer;
}
.we-product:hover {
  color: #121212;
  background: #ffffff;
}
.company-data {
  padding: 5.57rem 0 10% 0;
}
.data-title {
  text-align: center;
  margin-bottom: 90px;
}
.data-title div:first-child {
  font-family: PingFangSC-Medium, Noto Sans SC;
  font-weight: 500;
  font-size: 4.28rem;
  color: #121212;
  letter-spacing: 0;
  text-align: center;
  line-height: 72px;
}
.data-title div:last-child {
  font-family: PingFangSC-Light, Noto Sans SC;
  font-weight: 300;
  font-size: 1.7rem;
  color: #121212;
  letter-spacing: 0;
  /* font-weight: lighter; */
  margin-top: 10px;
}
.data-box {
  padding: 0 29%;
  position: relative;
}
.left-line,
.right-line {
  position: absolute;
  top: -10%;
  height: 120%;
}
.left-line {
  left: 44%;
}
.right-line {
  left: 60%;
}
.center-line {
  position: absolute;
  left: 0;
  top: 50%;
  width: 42%;
  left: 29%;
}
.data-num span:first-child {
  font-family: PingFangSC-Medium, Noto Sans SC;
  font-weight: 500;
  font-size: 3.28rem;
  color: #121212;
  letter-spacing: 0;
  text-align: center;
}
.data-num span:last-child {
  font-family: PingFangSC-Light, Noto Sans SC;
  font-weight: 300;
  font-size: 1.28rem;
  color: #121212;
  letter-spacing: 0;
  text-align: center;
  /* font-weight: lighter; */
}
.page-crumbs {
  margin-top: 0;
}