body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family:
    Microsoft Yahei,
    'Noto Sans SC',
    Helvetica,
    arial,
    sans-serif;
  height: 100%;
  overflow: hidden;
  background: #04172d;
}

* {
  box-sizing: border-box;
}

a,
a:link,
a:visited {
  text-decoration: none;
}

ul {
  list-style: none;
}

/* Navbar */
header {
  position: absolute;
  top: 0;
  height: auto;
  width: 100%;
  z-index: 1;
  display: flex;
  justify-content: center;
}
header img {
  max-width: 85%;
}

.logo {
  position: absolute;
  top: 10px;
  left: calc(50% - 90px);
  display: inline-block;
  background: url(../imgs/logo.png) 50% 50% no-repeat;
  background-size: auto 100%;
  width: 175px;
  height: 40px;
  margin: 0 auto;
  vertical-align: middle;
}

.show-menu-btn {
  display: inline-block;
  margin: 14px 0 0 10px;
  color: #00aafc;
  font-size: 2rem;
  line-height: 30px;
  cursor: pointer;
}

.nav {
  background: #fff;
  position: absolute;
  left: -50%;
  top: 60px;
  padding: 10px 0;
  transition: 1s ease-out;
  z-index: 999;
  box-shadow: 1px 0 3px rgba(0, 0, 0, 0.2);
  height: 100vh;
}

.nav.active {
  left: 0;
}

.nav_bg {
  background: rgba(255, 255, 255, 0.5);
  display: none;
  position: fixed;
  top: 0px;
  left: 0px;
  min-width: 100%;
  min-height: 100%;
  z-index: 998;
  /* transition: .3s; */
}

.nav ul {
  display: block;
  padding: 0 15px 0 10px;
}

.nav li a {
  display: block;
  width: 60px;
  padding: 1.2vh 0;
  font-size: 1.5vh;
  text-align: center;
  color: #333333;
  position: relative;
}

.nav li:nth-child(8) a {
  border: none;
}

.nav li a img {
  height: 4vh;
  display: block;
  margin: 0 auto 3px auto;
}

.customer-service img {
  position: absolute;
  top: 10px;
  right: 15px;
  height: 40px;
}

.nav .hide-menu-btn {
  position: absolute;
  top: -35px;
  left: 5px;
  cursor: pointer;
}

.nav .hide-menu-btn img {
  height: 35px;
}

/* header #chk{
    display: none;
}

#chk:checked ~ .nav {
    left: 0;
}

#chk:checked ~ .nav_bg{
    opacity: 1;
    pointer-events: inherit;
}
.dropdown{
    position: relative;
}
.dropdown::before{
    position: absolute;
    content: "";
    right: -50px;
    left: 0;
    top: 0;
    bottom: 0;
}

.nav ul .dropdown_content{
    color: #00b8fe;
    border-radius: 12px;
    position: absolute;
    padding: 0;
    top: -20px;
    font-size: 11px;
    background: linear-gradient(130deg, #f1f7fb 25%, #fff 25%, #fff 75%, #f1f7fb 75%);
    padding: 10px;
    box-shadow: .5px .5px .5px 1px rgba(137,164,195,0.2) inset;
    transition: .5s ease-in-out;
    opacity: 0;
    pointer-events: none;
}
#website:checked ~ .dropdown_content{
    opacity: 1;
    top: 0;
    transition: .5s;
    pointer-events: initial;
}
.nav ul .dropdown_content div{
    padding: 5px 0;
} */

/* Navbar end */

.container {
  width: 100%;
  height: 100%;
  margin: 0 auto;
  z-index: 0;
  box-sizing: border-box;
  background-size: cover;
  background-attachment: fixed;
  color: #444;
  text-align: center;
  position: relative;
}

.container .videoBox {
  position: absolute;
  z-index: 0;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.container .videoBox .video {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
}

.container .videoBox::after {
  z-index: 1;
  display: block;
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}

footer {
  position: fixed;
  width: 100%;
  height: auto;
  bottom: 0;
  z-index: 1;
}

.menu {
  padding: 0;
  font-size: 0;
  height: 100%;
  text-align: center;
  display: grid;
  grid-template-columns: 50% 50%;
  background: linear-gradient(180deg, #0b2555a3 0%, #001529ab 100%);
  background: -webkit-linear-gradient(270deg, #0b2555a3 0%, #001529ab 100%);
  border-top: 1px solid #294178c9;
}

.menu li {
  display: inline-block;
  /* width: 20%; */
  height: 100%;
}
.menu li:nth-of-type(1) {
  border-bottom: 1px solid #294178c9;
  border-right: 1px solid #294178c9;
}
.menu li:nth-of-type(2) {
  border-bottom: 1px solid #294178c9;
}
.menu li:nth-of-type(3) {
  border-right: 1px solid #294178c9;
}

.menu li a,
.menu li > span {
  display: flex;
  width: 100%;
  height: 100%;
  padding: 0.6rem;
  color: #fff;
  align-items: center;
  justify-content: center;
}

.menu li a img,
.menu li > span img {
  width: 40%;
}

.menu li a .text,
.menu li > span .text {
  text-align: left;
  padding-left: 0.6rem;
  display: flex;
  justify-content: center;
  flex-direction: column;
}
.menu li a .text .cn,
.menu li > span .text .cn {
  font-size: 4.5vw;
  font-family: Microsoft YaHei UI;
  font-weight: 400;
  color: #ffffff;
}

.menu li a .text .en,
.menu li > span .text .en {
  font-size: 2.5vw;
  font-family: Microsoft YaHei UI;
  font-weight: 300;
  color: #dbdfe5;
  line-height: 1.5;
  margin-top: 0.2rem;
  display: block;
}

footer span.copy {
  display: block;
  width: 100%;
  height: auto;
  text-align: center;
  color: #dbdfe5;
  font-size: 2.6vw;
  line-height: 9vw;
  /* background: #04172d; */
}

footer .txt {
  width: 100%;
  height: auto;
  text-align: left;
  padding-left: 4%;
  padding-bottom: 3%;
}

footer .txt img {
  max-width: 70%;
}

/* 彈窗 */

.popup {
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 0;
  z-index: 20;
}

.upmask {
  background-color: rgba(0, 0, 0, 0.45);
  bottom: 0;
  width: 100%;
  height: 100%;
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 10;
}

.popup .up {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  z-index: 20;
  width: 93%;
}

.popup .up img {
  width: 100%;
  z-index: 20;
}

.popup .up .close {
  position: absolute;
  bottom: -13%;
  z-index: 20;
  width: 10%;
  height: 10%;
}

.popup .up .close a {
  display: block;
  z-index: 20;
  width: 100%;
  height: 100%;
  background: url(../imgs/close.png) no-repeat center center;
  background-size: contain;
}

@media screen and (max-width: 1240px) {
}

@media screen and (min-width: 768px) and (min-height: 1024px) {
  .menu li a {
    padding: 1.5rem;
  }

  .menu li a img {
    width: 15%;
  }
  .menu li a .text .cn {
    font-size: 3vw;
  }
  footer span.copy {
    font-size: 2vw;
    line-height: 6vw;
  }
}

@media screen and (max-width: 820px) and (max-height: 1180px) {
}

@media screen and (min-width: 1024px) and (min-height: 1366px) {
}

@media screen and (max-width: 767px) {
}

@media screen and (max-width: 700px) {
}

@media screen and (max-width: 460px) {
}

@media screen and (max-width: 411px) and (max-height: 823px) {
}

@media screen and (max-width: 411px) and (max-height: 731px) {
}

@media screen and (max-width: 375px) and (max-height: 812px) {
}

@media screen and (max-width: 375px) and (max-height: 667px) {
}

@media screen and (max-width: 340px) {
}

@media screen and (max-height: 823px) {
}

@media screen and (max-height: 786px) {
}

@media screen and (max-height: 740px) {
}

@media screen and (max-height: 736px) {
}

@media screen and (max-width: 320px) {
}

@keyframes sc {
  0% {
    transform: scale(0.8);
  }

  50% {
    transform: scale(1);
  }

  100% {
    transform: scale(0.8);
  }
}

@keyframes abc {
  0% {
    background-position: 0 0;
  }

  100% {
    background-position: 0 -256vh;
  }
}

a .icon,
a .text {
  cursor: pointer; /* 设置鼠标悬停时为手指样式 */
}