body{
  background-image: none;
}
.header {
    width: 100%;
    height: 480px;
    background-position: center;
    background-image: url(/about-us/assets/about-us.png);
}

.content {
    max-width: 1440px;
    padding: 0px 48px;
}

.common-w {
    width: 1200px;
}

.header-container {
    height: 480px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-image: url(/about-us/assets/about-us.png);
}

.header-content {
    position: absolute;
    bottom: 10rem;
}

.header-title {
    font-size: 48px;
    font-family: PingFangSC, PingFangSC-Semibold, SourceHanSansSC-Normal;
    font-weight: 600;
    color: #ffffff;
}

.header-explain {
    width: 500px;
    font-size: 24px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    color: #ffffff;
    text-align: justify;
}

.header-title {
    position: relative;
}

.about-us-title {
    position: absolute;
    top: 186px;
    font-size: 48px;
    font-family: PingFangSC, PingFangSC-Semibold, SourceHanSansSC-Normal;
    font-weight: 600;
    text-align: center;
    color: #ffffff;
    line-height: 67px;
}

.about-us-english-title {
    position: absolute;
    top: 261px;
    height: 33px;
    font-size: 24px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    text-align: left;
    color: #ffffff;
    line-height: 33px;
}

.content {
    width: 100%;
    /* background: linear-gradient(180deg, #ffffff 32%, #f9f9f9); */
    background-size: cover;
    /* background-image: url(/about-us/assets/background.png); */
}

.zn-title {
    margin-top: 60px;
    font-size: 36px;
    font-family: PingFangSC, PingFangSC-Semibold, SourceHanSansSC-Normal;
    font-weight: 600;
    color: #1d2129;
    line-height: 50px;
}

.zn-line {
    width: 72px;
    height: 5px;
    background-color: #3670FF;
    transition: 0.5s;
}

.zn-en {
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    color: #1d2129;
}

.title-container:hover .zn-line {
    width: 80%;
}

.company-profile {
    width: 792px;
    /*height: 336px;*/
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    text-align: justify;
    color: #1d2129;
    line-height: 24px;
    padding: 12px 24px;
}

.certification {
    width: 588px;
    height: 440px;
    margin: 20px 12px;
}

.certification:hover .swiper-btn{
  opacity: 0.75;
}

.certification-box{
  width: 588px;
  height: 360px;
  padding: 24px 69px;
  background-color: #edf0f9;
  border-left: 1px solid #edf0f9;
  border-right: 1px solid #edf0f9;
  border-top: 1px solid #edf0f9;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}
.certification-box1{
  width: 588px;
  height: 360px;
  background-color: #edf0f9;
  border-left: 1px solid #edf0f9;
  border-right: 1px solid #edf0f9;
  border-top: 1px solid #edf0f9;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}

.certification-word {
  transition: 0.5s;
  width: 588px;
  height: 80px;
  border-left: 1px solid #dcdfe6;
  border-right: 1px solid #dcdfe6;
  border-bottom: 1px solid #dcdfe6;
  background: #ffffff;
  padding: 24px;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}

.certification-word:hover .container-h5 {
    opacity: 1;
    transition: 1s;
    transition-delay: 0.2s;
}

.certification-word:hover + .border-status {
  opacity: 1;
}

.certification-word:hover {
    height: 156px;
    border-bottom-left-radius: 0px;
    border-bottom-right-radius: 0px;
    padding-bottom: 0px;
}

.border-status {
    opacity: 0;
    transition: 1s;
    width: 588px;
    height: 4px;
    background: #3670ff;
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
  }

.title-h3 {
    height: 32px;
    font-size: 24px;
    font-family: PingFangSC, PingFangSC-Semibold, SourceHanSansSC-Normal;
    font-weight: 600;
    text-align: left;
    color: #1d2129;
    line-height: 32px;
}

 .container-h5 {
    opacity: 0;
    margin-top: 8px;
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular, SourceHanSansSC-Normal;
    font-weight: 400;
    text-align: left;
    color: #4e5969;
    line-height: 24px;
}

.image {
    display: block;
    width: 450px;
    height: 312px;
    object-fit: cover;
}

.patent {
    display: block;
    width: 220px;
    height: 312px;
    object-fit: cover;
}

.honor {
    display: block;
    width: 445px;
    height: 312px;
    object-fit: cover;
}

.swiper-container {
    width: 588px;
    height: 360px;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #EDF0F9;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-box {
    width: 1200px;
}


#base-background #header-container #nav-container nav .right-nav-container {
    margin: 0 48px 0 0;
    display: flex;
    position: relative;
}

.nav-item-div {
    cursor: pointer;
    height: 60px;
    margin: 0 8px;
    line-height: 60px;
    font-size: 16px;
    font-weight: 600;
    font-family: PingFangSC, PingFangSC-Semibold, SourceHanSansSC-Normal;
    position: relative;
}

.nav-item-div::before {
    content: "";
    left: 0;
    bottom: 0;
    position: absolute;
    display: none;
}

.nav-item-div:hover {
    color: #3670ff;
}

.nav-item-div:hover::before {
    width: 100%;
    display: inline-block;
    border-bottom: 4px solid #3670ff;
}

.my-serve-item {
    color: #1d2129;
    text-align: center;
    line-height: 48px;
    border-bottom: 1px solid #dcdfe6;
}
.swiper-btn{
  opacity: 0;
  transition: 1s;
  position: absolute;
  top: 50%;
  margin-top: -10px;
  width: 40px;
  height: 40px;
  line-height: 40px;
  background: #4E5969;
  border-radius: 50%;
  font-size: 12px;
  color: white;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
}

/* 联系我们 */
.office-address{
    width: 780px;
    height: 340px;
    border: 1px #DCDFE6 solid;
    border-radius: 8px;
    padding: 24px;
    display: inline-block;
    vertical-align: top;
}

.address{
    width: 340px;
    height: 160px;
    display: inline-block;
}

.divider {
    width: 1px;
    height: 224px;
    background: #DCDFE6;
    margin: 0 16px;
}

.contact{
    width: 384px;
    height: 340px;
    border-radius: 8px;
    padding: 24px;
    display: inline-block;
    box-shadow: 4px 10px 20px rgba(1, 47, 169, 0.2);
    margin-left: 24px;
}

.title-h4{
    height: 24px;
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Semibold, SourceHanSansSC-Normal;
    font-weight: 800;
    text-align: left;
    color: #3670FF;
    line-height: 32px;
}

.contact-1{
    height: 120px;
    padding: 24px 0px;
}

.contact-2{
    display: inline-block;
    margin-left: 24px;
    vertical-align: middle;
}

.contact-icon{
    display: inline-block;
    width: 64px;
}