html,
body,
div {
  margin: 0;
  padding: 0;
}
body {
  width: 7.5rem;
  height: 55.5rem;
  background-size: 100%;
}
.top-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 7.5rem;
  height: 1.18rem;
  background-color: #252525;
  z-index: 100;
}
.top-menu .left-menu {
  position: absolute;
  display: inline-block;
  top: 0.21rem;
  left: 0.3rem;
  width: 0.7rem;
  height: 0.7rem;
  border: 0.02rem solid #fff;
  border-radius: 0.1rem;
  vertical-align: middle;
  margin: auto 0;
  cursor: pointer;
}
.top-menu .left-menu .menu-icon {
  width: 0.4rem;
  height: 0.04rem;
  border-top: 0.04rem solid #fff;
  border-bottom: 0.04rem solid #fff;
  background-color: #fff;
  padding: 0.1rem 0;
  background-clip: content-box;
  margin: 0.2rem auto;
}
.top-menu .menu {
  display: none;
  position: absolute;
  top: 1.17rem;
  left: 0rem;
  width: 7.5rem;
  background-color: #252525;
  opacity: 0.8;
  z-index: 1000;
}
.languge-menu {
  display: none;
  position: absolute;
  top: 1.17rem;
  left: 0rem;
  width: 7.5rem;
  background-color: #252525;
  opacity: 0.8;
  z-index: 1000;
}
.top-menu .menu ul {
  margin: 0;
  padding: 0 0.4rem;
  width: 6.7rem;
  height: 1.2rem;
  color: #fff;
}
.top-menu .menu ul > li {
  float: left;
  display: inline-block;
  font-size: 0.32rem;
  width: 25%;
  height: 1.2rem;
  line-height: 1.2rem;
  text-align: center;
}

.top-menu .languge-menu ul {
  margin: 0;
  padding: 0;
  width: 7.5rem;
  height: 1.2rem;
  color: #fff;
}
.top-menu .languge-menu ul > li {
  float: left;
  display: inline-block;
  font-size: 0.32rem;
  height: 1.2rem;
  line-height: 1.2rem;
  text-align: center;
  padding: 0 0.35rem;
  width: 30%;
  box-sizing: border-box;
}
.top-menu .languge-menu ul > li:nth-child(3),
.top-menu .languge-menu ul > li:nth-child(6) {
  width: 40%;
}
.top-menu .languge-menu ul > li > a {
  text-decoration: none;
  color: #fff;
}
.top-menu .top-logo {
  position: absolute;
  display: inline-block;
  top: 0.05rem;
  left: 3.1rem;
  width: 1.1rem;
  height: 1.1rem;
  background: url('../images/road-icon.png') top center no-repeat;
  background-size: 100%;
}
.top-menu .right-menu {
  position: absolute;
  display: inline-block;
  top: 0.2rem;
  right: 0.3rem;
  border: 0.02rem solid #fff;
  border-radius: 0.1rem;
  font-size: 0.3rem;
  padding: 0.17rem 0.1rem;
  color: #fff;
}

.part1 {
  position: relative;
  width: 7.5rem;
  height: 11.4rem;
  background: url(../images/part1-bg.jpg) no-repeat top center;
  background-size: 100%;
}
.part1 .logo {
  position: absolute;
  display: inline-block;
  top: 2.7rem;
  left: 1.5rem;
  width: 4rem;
  height: 2rem;
  background: url(../images/logo.png) no-repeat top center;
  background-size: 100%;
}
.part1 .ddt-icon {
  position: absolute;
  display: inline-block;
  top: 9.8rem;
  left: 0.15rem;
  width: 1rem;
  height: 1rem;
  background: url(../images/icon.png) no-repeat top center;
  background-size: 100%;
}
.part1 .app-store {
  position: absolute;
  display: inline-block;
  top: 10.05rem;
  left: 1.2rem;
  width: 2rem;
  height: 1rem;
  background: url(../images/app-store.png) no-repeat top center;
  background-size: 100%;
}
.part1 .google-play {
  position: absolute;
  display: inline-block;
  top: 10.05rem;
  left: 3.25rem;
  width: 2rem;
  height: 1rem;
  background: url(../images/google-play.png) no-repeat top center;
  background-size: 100%;
}
.part1 .android-download {
  position: absolute;
  display: inline-block;
  top: 10.05rem;
  left: 5.3rem;
  width: 2rem;
  height: 1rem;
  background: url(../images/download-for-android.png) no-repeat top center;
  background-size: 100%;
}

.part2 {
  position: relative;
  width: 7.5rem;
  height: 20rem;
  margin-top: 0.8rem;
  font-size: 0.3rem;
  color: #000;
}
.part2 .intro1 {
  position: absolute;
  top: 0;
  left: 0;
  width: 7.5rem;
  padding: 0 0.4rem;
  box-sizing: border-box;
  line-height: 0.5rem;
  text-align: justify;
  border-bottom: 0.01rem solid #dbdbdb;
}
.part2 .intro1 h1 {
  display: inline-block;
  line-height: 0.5rem;
  font-size: 0.45rem;
  margin: 0.4rem 0;
  text-align: center;
  width: 100%;
}
.part2 .weight {
  margin: 0.5rem 0;
  font-size: 0.35rem;
  font-weight: bold;
  text-align: center;
}
.part2 .intro1 img {
  width: 100%;
  margin-bottom: 5%;
}
.part2 .intro2 {
  position: absolute;
  top: 12.5rem;
  left: 0;
  width: 7.5rem;
  height: 2.8rem;
  padding: 0 0.4rem;
  box-sizing: border-box;
  line-height: 0.5rem;
  text-align: center;
}
.part2 .intro2 h2 {
  font-size: 0.45rem;
}
.part2 .time-line {
  position: absolute;
  top: 15rem;
  left: 0;
  width: 6.9rem;
  height: 4.2rem;
  padding: 1rem 0 0 0;
  margin: 0 0.3rem;
  box-sizing: border-box;
  overflow-x: scroll;
}
.part2 .time-line .event {
  position: relative;
  height: 3rem;
  width: 19rem;
}
.part2 .time-line .event .time-event {
  position: absolute;
  top: -0.5rem;
  left: 1.3rem;
  padding: 0 0.2rem;
  width: 91%;
}
.part2 .time-line .event .time-event span {
  border-right: 0.04rem solid #e7e7e7;
  padding: 0 0.2rem;
  display: inline-block;
  text-align: center;
}
.part2 .time-line .event .time-event span:last-child {
  border-right: 0 solid #e7e7e7;
}
.part2 .time-line .event .time-event span:nth-child(1) {
  width: 5.5rem;
}
.part2 .time-line .event .time-event span:nth-child(2) {
  width: 5rem;
}
.part2 .time-line .event .time-event span:nth-child(3) {
  width: 5rem;
}
.part2 .time-line img {
  width: 100%;
}
.part2 .time-line .event .time {
  color: #f15f3f;
  position: absolute;
  top: 1rem;
  left: 1.3rem;
  width: 91%;
}
.part2 .time-line .event .time span {
  display: inline-block;
  text-align: center;
  padding: 0 0.2rem;
}
.part2 .time-line .event .time span:nth-child(1) {
  width: 5.5rem;
}
.part2 .time-line .event .time span:nth-child(2) {
  width: 5rem;
}
.part2 .time-line .event .time span:nth-child(3) {
  width: 5rem;
}
/* .part2 .time-line .event .time span:nth-child(4) {
  width: 3.6rem;
} */
.part2 .time-line .scoll {
  margin-top: 0.8rem;
  color: #c9c9c9;
  font-size: 0.3rem;
  animation: mymove 2s infinite;
  -webkit-animation: mymove 2s infinite; /* Safari 和 Chrome */
}
@keyframes mymove {
  0% {
    margin-top: 1.1rem;
  }
  50% {
    margin-top: 0.8rem;
  }
  100% {
    margin-top: 1.1rem;
  }
}
.part2 .time-line::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 100%; /*高宽分别对应横竖滚动条的尺寸*/
  height: 0.13rem;
}
.part2 .time-line::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius: 0.2rem;
  -webkit-box-shadow: inset 0 0 5px #c9c9c9;
  background: #e7e7e7;
}
.part2 .time-line::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  -webkit-box-shadow: inset 0 0 5px #fff;
  border-radius: 2rem;
}

.part3 {
  position: relative;
  width: 7.5rem;
  height: 11.2rem;
  background: url(../images/part3-top.jpg) top center no-repeat;
  background-size: 100%;
}
.part3 a {
  display: block;
  width: 100%;
  height: 100%;
}
.part3 .fb-text {
  position: absolute;
  top: 10.5rem;
  left: 0;
  width: 7.5rem;
  text-align: center;
  font-size: 0.4rem;
  color: #000;
}
.part3 .fb-weight {
  font-weight: bold;
  font-size: 0.5rem;
}

.part4 {
  position: relative;
  width: 7.5rem;
  height: 6.5rem;
}
.part4 .swiper-box {
  width: 7.5rem;
  height: 6.2rem;
  margin: 1rem 0;
  text-align: center;
}
.part4 .swiper-box img {
  width: 100%;
}
.part4 .video-content {
  height: 3.78rem;
}
.part4 .swiper-box .youtube-box {
  /*width: 98%;*/
  margin: 0;
  box-shadow: 0 0 0.3rem #252525;
}
.part4 .swiper-box .video-content .play-btn {
  position: absolute;
  top: 1.4rem;
  left: 3rem;
  width: 1.5rem;
  height: 1.5rem;
  background: url(../images/play-btn.png) top center no-repeat;
  background-size: 100%;
  cursor: pointer;
}
.part4 .swiper-box .content-bottom {
  position: relative;
  width: 100%;
  height: 1.1rem;
  background-color: #252525;
  font-size: 0.3rem;
  color: #fff;
}
.part4 .swiper-box .content-bottom .title {
  position: absolute;
  display: inline-block;
  top: 0.35rem;
  left: 0.2rem;
  font-size: 0.25rem;
}
.part4 .swiper-box .content-bottom .youtube-icon {
  position: absolute;
  display: inline-block;
  top: 0.25rem;
  right: 0.25rem;
  width: 1.5rem;
  height: 0.8rem;
  background: url('../images/youtube.png') top center no-repeat;
  background-size: 100%;
}
.my-bullet {
  width: 0.18rem;
  height: 0.18rem;
  display: inline-block;
  border-radius: 100%;
  background: #dbdbdb;
  margin: 0.05rem;
}
.my-bullet-active {
  background: #8dace5;
}

.footer {
  position: relative;
  width: 7.5rem;
  height: 6.7rem;
  background-color: #252525;
}
.footer .enter {
  position: absolute;
  width: 4.5rem;
  height: 1rem;
  top: 1rem;
  left: 0.3rem;
  background: url('../images/tiny-icon.png') top center no-repeat;
  background-size: 100%;
}
.footer .enter a {
  display: inline-block;
  text-decoration: none;
  width: 0.9rem;
  height: 1rem;
}
.footer .store {
  position: absolute;
  width: 7rem;
  height: 2rem;
  top: 2.8rem;
  left: 0.3rem;
}
.footer .store .app-store,
.google-play,
.android-download {
  display: inline-block;
  width: 2rem;
  height: 1rem;
  text-decoration: none;
}
.footer .store .app-store {
  background: url('../images/app-store.png') top center no-repeat;
  background-size: 100%;
}
.footer .store .google-play {
  background: url('../images/google-play.png') top center no-repeat;
  background-size: 100%;
}
.footer .store .android-download {
  background: url('../images/download-for-android.png') top center no-repeat;
  background-size: 100%;
}
/*视频弹窗*/
.videoWrap {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 100;
  text-align: center;
  padding-top: 2rem;
}
.videoWrap .videoClose {
  position: relative;
  display: block;
  width: 1rem;
  height: 1rem;
  color: #fff;
  font-size: 0.75rem;
  top: 0;
  left: 6.3rem;
  cursor: pointer;
}
/*loading start*/
.main {
  display: none;
  box-sizing: border-box;
  position: fixed;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 500;
  width: 100%;
  height: auto;
  padding-top: 0.7rem;
}
.main > a {
  display: block;
  text-align: center;
  font-size: 0.4rem;
  margin-top: 1rem;
}
.loadEffect {
  width: 1.5rem;
  height: 1.5rem;
  position: relative;
  margin: 0 auto;
  /*margin-top:0;*/
}
.loadEffect span {
  display: inline-block;
  width: 0.3rem;
  height: 0.1rem;
  border-top-left-radius: 0.05rem;
  border-bottom-left-radius: 0.05rem;
  background: #ffffff;
  position: absolute;
  -webkit-animation: load 1.04s ease infinite;
}
@-webkit-keyframes load {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0.2;
  }
}
.loadEffect span:nth-child(1) {
  left: 0;
  top: 50%;
  margin-top: -0.05rem;
  -webkit-animation-delay: 0.13s;
}
.loadEffect span:nth-child(2) {
  left: 0.2rem;
  top: 0.25rem;
  -webkit-transform: rotate(45deg);
  -webkit-animation-delay: 0.26s;
}
.loadEffect span:nth-child(3) {
  left: 50%;
  top: 0.1rem;
  margin-left: -0.15rem;
  -webkit-transform: rotate(90deg);
  -webkit-animation-delay: 0.39s;
}
.loadEffect span:nth-child(4) {
  top: 0.25rem;
  right: 0.2rem;
  -webkit-transform: rotate(135deg);
  -webkit-animation-delay: 0.52s;
}
.loadEffect span:nth-child(5) {
  right: 0;
  top: 50%;
  margin-top: -0.05rem;
  -webkit-transform: rotate(180deg);
  -webkit-animation-delay: 0.65s;
}
.loadEffect span:nth-child(6) {
  right: 0.2rem;
  bottom: 0.25rem;
  -webkit-transform: rotate(225deg);
  -webkit-animation-delay: 0.78s;
}
.loadEffect span:nth-child(7) {
  bottom: 0.1rem;
  left: 50%;
  margin-left: -0.15rem;
  -webkit-transform: rotate(270deg);
  -webkit-animation-delay: 0.91s;
}
.loadEffect span:nth-child(8) {
  bottom: 0.25rem;
  left: 0.2rem;
  -webkit-transform: rotate(315deg);
  -webkit-animation-delay: 1.04s;
}
/*loading end*/