* {
  margin: 0;
  padding: 0;
}
:root {
  font-size: 16px;
}
li {
  list-style: none;
}
@media screen and (min-resolution: 120dpi) {
  body {
    zoom: 0.8;
  }
}
@media (max-width: 576px) {
  :root {
    font-size: 12px;
  }
}
/* sm */
@media (min-width: 576px) {
  :root {
    font-size: 12px;
  }
}
@media (min-width: 720px) {
  :root {
    font-size: 12px;
  }
}
@media (min-width: 1280px) {
  :root {
    font-size: 12px;
  }
}
@media (min-width: 1400px) {
  :root {
    font-size: 12px;
  }
}
@media (min-width: 1920px) {
  :root {
    font-size: 16px;
  }
}
@media (min-width: 2560px) {
  :root {
    font-size: 20px;
  }
}
/* 4k */
@media (min-width: 3840px) {
  :root {font-size: 32px;}
  .navbar .xs-active::after {
    bottom: -.5rem !important;
    height: 4px !important;
  }
}
.font-16 {
  font-size: 1rem;
}
.font-24 {
  font-size: 1.5rem;
}
.font-36 {
  font-size: 2.25rem;
}
.font-30 {
  font-size: 1.875rem;
}
.font-48 {
  font-size: 3rem;
}
.font-60 {
  font-size: 3.75rem;
}
.font-120 {
  font-size: 7.5rem;
}
.font-300 {
  font-size: 18.75rem;
}
.navbar {
  transition: all 0.5s linear;
  height: 4.167vmax;
  min-width: 1000px;
}
a {
  text-decoration: none !important;
}
.navbar a:hover {
  color: #f6b37f;
}
.navbar .nav-link-normal {
  font-size: 1.5rem;
  color: #fff;
}
.navbar .navbar-nav .nav-item {
  margin-right: 20px;
}
.navbar .nav-link-normal.btn {
  font-family: 'SourceHanSans-Normal';
  font-size: 1.125rem;
  font-weight: normal;
  border-radius: 40px;
  padding: 8px 20px;
  background-color: #3B717C;
  border: none;
}
.navbar .xs-active {
  position: relative;
}
.navbar .nav-link-normal.xs-active:hover::after {
  background-color: #f6b37f;
  /* width: 100%; */
  /* height: 2px; */
  opacity: 1;
}
.navbar .xs-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 102%;
  height: 2px;
  background: #fff;
  opacity: 1;
  transition: all 0.1s linear;
}
@media (min-width: 2560px) {
  .navbar .xs-active::after {
    bottom: -.25rem ;
    height: 2px ;
  }
}
@media (min-width: 3840px) {
  .navbar .xs-active::after {
    bottom: -.5rem ;
    height: 4px ;
  }
}
.navbar .navbar-center {
  width: 18.229vmax;
  margin: 0 380px 0 400px;
}
.navbar.bg-navbar-deep {
  background-color: #36ACBB !important;
}
.bg-navbar {
  background: #36ACBB;
}
.navbar > div.view-box {
  height: 100%;
}
.navbar > div.view-box > div:first-child {
  height: 100%;
}
.navbar > div.view-box > div:first-child a{
  height: 100%;
}
.navbar > div.view-box > div:first-child a img{
  height: 100%;
}
.navbar .top-nav-link, 
.navbar .top-about {
  /* 垂直居中 */
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer {
  background: #3c4e7d;
  color: #fff;
  height: 347px;
  display: flex;
  flex-direction: column;

}

@media (min-width: 2560px) {
  .footer {
    height: calc(347px * 1.3);
  }
}

@media (min-width: 3840px) {
  .footer {
    height: calc(347px * 1.5);
  }
}

.footer>div.view-box {
  flex: 1;
}
.footer a.miit {
  color: #fff;
  vertical-align: text-top;
}
.footer a.miit:hover {
  color: #f6b37f;
}
.footer a.miit:active {
  color: #fff;
}
.footer a.miit:visited {
  color: #fff;
}
.footer .xs-column {
  /* height: 300px; */
  margin: 2.604vmax 0 auto 0;
}
.footer .xs-column .xs-column-title {
  font-size: 1.25rem;
  font-weight: bolder;
  margin-bottom: 40px;
}
.footer .xs-column .xs-column-content {
  font-size: 1rem;
  line-height: 1.875rem;
}

.footer .xs-column.qr-code {
  /* height: 13.125vmax; */
  /* max-height: 10px; */
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer .xs-column.qr-code .xs-column-content{
  /* height: 100%; */
}
.footer .xs-column.qr-code img{
  height: 50%;
  width: 50%;
}


.footer .copyright-box {
  padding-top: 15px;
  padding-bottom: 15px;
  background-color: #33446e;
}
.footer .container-1400 {
  width: 100%;
  max-width: 1400px;
  min-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  overflow: hidden;
}
.view-title {
  min-height: 70px;
  width: 100%;
  position: relative;
}
.view-title.view-title-60::before {
  font-size: 3.75rem !important;
  top: -1rem !important;
}
.view-title.view-title-48::before {
  font-size: 3rem !important;
  top: -0.5rem !important;
}
.view-title.view-title-36::before {
  font-size: 2.25rem !important;
  top: 0rem !important;
}
.view-title::before {
  /* content为技术特点的英文 */
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  font-family: 'SourceHanSans-Normal';
  font-size: 2.25rem;
  /* background: linear-gradient(-180deg, #3DC1D1 0%, #fff 70%); */
  background: linear-gradient(-180deg, #3DC1D1 0%, #ffffff 80%);
  /* background: -webkit-linear-gradient(top, #76cfdb, #fff); */
  /* background: linear-gradient(to right, #76cfdb, #fff); */
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  border-radius: 5px 5px 0 0;
  /* 文本居中 */
  text-align: center;
  /* 文字间隔 */
  /* letter-spacing: 1px; */
  z-index: -1;
  /* font-weight: bolder; */
  letter-spacing: 0.208vmax;
  font-weight: bold;
}
.view-title .content {
  text-align: center;
  position: absolute;
  top: 1.146vmax;
  left: 50%;
  transform: translateX(-50%);
  font-size: 3.75rem;
  color: #5D667E;
  white-space: nowrap;
  font-weight: bold;
  line-height: 1;
  letter-spacing: 1.042vmax;
  text-indent: 1.042vmax;
}
.view-title .content-48{
  font-size: 3rem;
}
.view-title .content::after {
  content: '';
  height: .26vmax;
  padding-bottom: .26vmax;
  box-sizing: content-box;
  width: 100%;
  background-color: #9EBCFF;
  display: block;
  position: absolute;
  bottom: 0vmax;
  left: 0;
  transform: translateY(50%);
  z-index: -1;
}
.view-title .desc {
  position: absolute;
  top: 4.1vmax;
  left: 50%;
  display: block;
  margin-top: 2.083vmax;
  transform: translateX(-50%);
}
.view-title .desc p {
  font-family: 'SourceHanSans-Normal';
  text-align: center;
  font-size: 1.25vmax;
  line-height: 2.188vmax;
  color: #435E61;
}
/* 回到顶部 */
.btn-top {
  display: none;
  position: fixed;
  width: 70px;
  height: 70px;
  background: #FCFCFC;
  box-shadow: 0px 6px 9px 1px rgba(0, 0, 0, 0.09);
  border-radius: 10px;
  bottom: 100px;
  right: 120px;
  overflow: hidden;
  /* transition: all 0.1s linear; */
  z-index: 999;
}
.btn-top:hover {
  box-shadow: 0 0 8px #76cfdb90;
}
.btn-top:hover img:nth-child(1) {
  display: none;
}
.btn-top img {
  width: 100%;
  padding: 19px 20px 18px 21px;
}
.btn-top img.icon-top {
  display: block;
}
.view-box {
  width: 100%;
  max-width: 65vmax;
  min-width: 720px;
  margin: 0 auto;
  overflow: hidden;
}
div.main {
  width: 100%;
}
div.main .view-container {
  width: 100%;
}
div.main .view-container .view-title {
  margin-bottom: 4.688vw;
}
.padding-0 {
  padding: 0;
}
.pd-left-40 {
  padding-left: 40px;
}
.flex {
  display: flex;
  flex-direction: row;
}
.flex-row {
  flex-direction: row !important;
}
.flex-column {
  flex-direction: column !important;
}
.justify-between {
  justify-content: space-between;
}
.justify-center {
  justify-content: center;
}
.align-center {
  align-items: center;
}
.top-nav-link {
  line-height: 55px;
  text-align: center;
}
.top-nav-link > a {
  margin-left: 3.646vmax;
}
.top-about {
  line-height: 55px;
  text-align: right;
}
.font-white {
  color: white;
}