html,
body {
  width: 100%;
  height: 100%;
  font-family: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  position: relative;
  background-color: #000;
}

a {
  text-decoration: none;
}

img {
  display: block;
}

.clear::after {
  content: '';
  display: block;
  clear: both;
}

.header {
  width: 100%;
  height: 73px;

  border-bottom: 1px solid rgba(254, 253, 251, 0.1);

  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;

  background-color: rgba(0, 0, 0, 0.9);
}

.header .logo {
  float: left;
  width: 114px;
  height: 27px;
  margin-top: calc((73px - 27px) / 2);

  margin-left: 260px;
}

.header .logo img {
  /* display: block; */
  width: 100%;
  height: 100%;
}

.header .nav {
  float: right;
  margin-top: 29px;
  margin-right: 200px;
}

.header .nav>a,
.header .nav>div {
  float: left;
  font-size: 16px;
  line-height: 1;
  color: #fefbfb;
  margin-right: 30px;
  text-decoration: none;
  position: relative;
  cursor: pointer;
}

.header .nav>a::after,
.header .nav>div::after {
  content: '';
  position: absolute;
  left: -20%;

  bottom: -28px;
  width: 140%;
  height: 3px;
  background-color: #9bf801;
  opacity: 0;
  transition: all 0.3s;
}

.header .nav>a:hover::after,
.header .nav>a.on::after,
.header .nav>div:hover::after,
.header .nav>div.on::after {
  opacity: 1;
}

/* .content {
  width: 100%;
  height: 100%;
  position: relative;
} */
.tab {
  position: fixed;
  top: 50%;
  left: 31px;
  z-index: 2;
}

.tab>a,
.tab>div {
  display: block;
  width: 10px;
  height: 10px;
  background-color: #fefdfb;
  border-radius: 50%;
  margin-bottom: 12px;
  cursor: pointer;
}

.tab>a.on,
.tab>div.on {
  background-color: #9bf801;
}

.scroll-box {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  overflow-y: auto;
}

.body {
  position: absolute;
  width: 100%;
  height: 100%;
}

.body .page {
  width: 100%;
  height: 100%;
  position: relative;
}

.body .page>video,
.body .page>img {
  /* display: block; */
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page>.content {
  position: absolute;
  top: 0;
  left: 0;
}

.page.index .content {
  width: 1100px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fffefd;
}

.page.index .text {
  text-align: center;
  font-weight: 500;
  font-size: 60px;
  line-height: 1;
  margin-bottom: 28px;
}

.page.index .title {
  width: 1130px;
  text-align: center;
  font-weight: 300;
  font-size: 30px;
  color: #ffffff;
  line-height: 1;
  text-transform: uppercase;
  margin-top: 42px;
  position: relative;
}

.page.index .title::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  margin-left: -52px;
  width: 103px;
  height: 4px;
  background-color: #9bf801;
}

/* .page.service {
  position: relative;
} */
.page.service .content {
  width: 100%;
  height: 100%;
}

.page.service .content>div {
  line-height: 1;
  text-align: center;
}

.page.service .content .title {
  margin-top: 134px;
}

.page.service .content .title .h {
  font-weight: 500;
  font-size: 50px;
  color: #fefdfd;
}

.page.service .content .title .p {
  font-weight: 300;
  font-size: 16px;
  color: #9bf801;
  text-transform: uppercase;
  margin-top: 24px;
}

.page.service .content .list {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  margin-top: 144px;
}

.page.service .content .list .item {
  width: 426px;
  height: 464px;
  border-radius: 18px;
  background-color: rgba(255, 255, 255, 0.2);
  /* margin: 0 22px; */
  margin-right: 40px;
  overflow: hidden;
}

.page.service .content .list .item:first-child {
  margin-left: 40px;
}

.page.service .content .list .item img {
  /* display: block; */
  height: 108px;
  margin: 70px auto;
}

.page.service .content .list .item .h {
  font-weight: 400;
  font-size: 36px;
  color: #fcfafa;
}

.page.service .content .list .item .p {
  font-weight: 400;
  font-size: 16px;
  color: #fcfafa;
  line-height: 24px;
  text-align: left;
  padding: 0 20px;
  margin-top: 20px;
}

.page.case video {
  width: 1000px;
  height: 900px;
  position: absolute;
  top: 112px;
  right: 100px;
}

.page.case .content {
  left: 150px;
}

.page.case .content>img {
  /* display: block; */
  width: 80px;
  margin-top: 250px;
  margin-bottom: 62px;
  /* margin-left: 150px; */
}

.page.case .content .text {
  font-weight: 500;
  font-size: 60px;
  color: #fefdfd;
  margin-bottom: 32px;
}

.page.case .content .p {
  font-weight: 300;
  font-size: 36px;
  color: #fefdfd;
  margin-top: 62px;
  margin-bottom: 154px;
}

.page.case .content .tip {
  width: 200px;
  cursor: pointer;
  font-weight: 500;
  font-size: 18px;
  color: #b7fe64;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
}

.page.case .content .tip>img {
  display: block;
  width: 82px;
}

.page.news .content {}

.body>.footer {
  width: 100%;
  /* height: 254px; */
  padding: 0 264px;
  box-sizing: border-box;
}

.body>.footer .nav {
  display: flex;
  margin-bottom: 20px;
}

.body>.footer .nav a {
  display: block;
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
  margin-right: 30px;
  margin-top: 58px;
}

.body>.footer .icp {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.body>.footer .icp {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  /* font-size: 14px; */
  color: #ffffff;
}

.body>.footer .icp a {
  margin: 0 10px;
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
}

.body>.footer .icp a {
  /* margin-right: 30px; */
}

.body>.footer .icp img {
  /* display: block; */
}

.body>.footer .contact {
  padding-bottom: 20px;
}

.body>.footer .contact .qrcode {
  float: left;
}

.body>.footer .contact .qrcode img {
  /* display: block; */
  width: 188px;
  margin: 0 auto;
  margin-bottom: 10px;
}

.body>.footer .contact .qrcode .text {
  /* padding-bottom: 20px;
   */
  font-size: 18px;
  color: #fff;
  /* text-indent: 24px; */
  /* margin-right: 24px; */
  text-align: center;
}

/* page animation */
@keyframes page-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes shake {

  /* 10% {
    transform: translateY(10px);
  }
  50% {
    transform: translateY(-40px);
  }
  0%,
  100% {
    transform: translateY(0);
  } */
  25% {
    transform: translateY(-40px);
  }

  50% {
    transform: translateY(0);
  }

  75% {
    transform: translateY(-20px);
  }

  100% {
    transform: translateY(0);
  }

  /* 10%,
  90% {
    transform: translateY(-10px);
  }
  20%,
  80% {
    transform: translateY(+0);
  }
  30%,
  70% {
    transform: translateY(-20px);
  }
  40%,
  60% {
    transform: translateY(+0);
  }
  50% {
    transform: translateY(-40px);
  } */
}

@keyframes page-top-in {
  from {
    opacity: 0;
    transform: translateY(-500px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes page-down-in {
  from {
    opacity: 0;
    transform: translateY(500px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes page-left-in {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes page-right-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.anime>video {
  animation-duration: 5s;
  animation-name: page-in;
  animation-timing-function: ease-in-out;
}

.anime>img {
  animation-duration: 3s;
  animation-name: page-in;
  animation-timing-function: ease-in-out;
}

.anime>.content>.title {
  opacity: 0;
  animation-delay: 0.5s, 0.8s;
  animation-duration: 0.3s, 0.3s;
  animation-name: page-top-in, shake;
  animation-fill-mode: forwards, none;
  animation-timing-function: ease-in-out, ease-in-out;
}

.anime>.content>.text {
  animation-duration: 1s;
  animation-name: page-left-in;
  animation-timing-function: ease-in-out;
}

.anime>.content>.text.anime-right {
  animation-name: page-right-in;
}

.anime>.content>img {
  animation-name: page-top-in;
  animation-duration: 1s;
  animation-timing-function: ease-in-out;
}

.anime>.content>.p {
  animation-duration: 1s;
  animation-name: page-left-in;
  animation-timing-function: ease-in-out;
}

.anime>.content>.tip {
  animation-name: page-down-in;
  animation-duration: 1s;
  animation-timing-function: ease-in-out;
}

.anime>.content>.list>.item {
  opacity: 0;
  animation-name: page-down-in;
  animation-duration: 0.5s;
  animation-timing-function: ease-in-out;
  animation-fill-mode: forwards;
}

.anime>.content>.list>.item:nth-child(2) {
  animation-delay: 0.2s;
}

.anime>.content>.list>.item:nth-child(3) {
  animation-delay: 0.4s;
}

.hide {
  display: none;
}