html,
body {
  max-width: 640px;
  margin: 0 auto;
  overflow: hidden;
  height: 100%;
}

.bg-background{
  width: 100%;
  height:100%;
  position: fixed;
  overflow: hidden;
  background-image: url('../img/bg.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  max-width: 640px;
}
.menu-content{
  position: fixed;
  background-image: url('../img/bg.png');
  width: 100%;
  height: 100%;
}
  #wave{
  overflow: hidden;
  position: relative;
  top: 5.4rem;
}

.swiper-container {
  height: 100%;
}
.swiper-slide {
  height: 100%;
  overflow: hidden;
}
.center-block {
  display: block;
  margin: 0 auto;
}
#stars_box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
}
.skip {
  position: absolute;
  font-size: 0.5rem;
  color: #fff;
  top: 0.6rem;
  right: 0.8rem;
  z-index: 10;
  display: none;
}
.arrow {
  width: 8%;
  position: absolute;
  bottom: 0.25rem;
  z-index: 9999;
  left: 46%;
  animation: myfirst 1s infinite ease-in-out;
  -webkit-animation: myfirst 1s infinite ease-in-out;
  display: none;
}
@keyframes myfirst {
  0% {
    opacity: 1;
    bottom: 0.28rem;
  }
  100% {
    opacity: 0.1;
    bottom: 0.25rem;
  }
}
@-webkit-keyframes myfirst {
  0% {
    opacity: 1;
    bottom: 0.28rem;
  }
  100% {
    opacity: 0.1;
    bottom: 0.25rem;
  }
}

.span {
  display: none;
}
#video {
  display: none;
}
#music {
  position: fixed;
  right: 0.2rem;
  top: 0.2rem;
  z-index: 999;
  width: 1.1rem;
}
.page {
  // background: url("../img/animate.gif") top;
  background-size: 100% 100%;
}
.home-page .content {
  width: 94%;
  margin: 0 auto 0;
  position: relative;
  z-index: 100;
}
.home-page .time {
  margin: 8% auto 10% ;
}
.home-page .video-wrap {
  overflow: hidden;
  position: relative;
}
.home-page .video-wrap .video-pic {
  width: 100%;
  height: 3.8rem;
}
.home-page .video-wrap .play {
  width: 1.4rem;
  height: 1.4rem;
  z-index: 888;
  position: absolute;
  top: 1.2rem;
  left: 43%;
  animation: change 2s infinite linear;
  -webkit-animation: change 2s infinite linear;
}
@keyframes change {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}
@-webkit-keyframes change {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}
.look-page .head {
  margin-bottom: 30%;
}
.desc-text {
  margin: 20% auto 4%;
  display: block;
}
.doing-page .head {
  margin: 20% auto;
}
.year-page {
  background: url("../img/page-back.jpg") top;
  background-size: 100% 100%;
}

.year-title {
  margin: 8% auto ;
  display: block;
}
.carousel {
  width: 70%;
  height: 4rem;
  border: 1px solid #858291;
  padding: 0.2rem;
  position: relative;
}
.carousel img {
  height: 100%;
  width: 100%;
}
.swiper-lazy {
  background-size: 100% 100%;
  height: 100%;
}
.swiper-lazy-preloader {
  width: 26px!important;
  height: 26px!important;
  margin-left: -13px !important;
  margin-top: -13px !important;
}
.swiper-button-next {
  background-image: url("../img/next.png") !important;
  background-size: 10px 32px!important;
  right: -13% !important;
}
.swiper-button-prev {
  background-image: url("../img/prev.png") !important;
  background-size: 10px 32px!important;
  left: -13% !important;
}
.swiper-pagination {
  display: none;
}
.num-active {
  color: #7d7a88!important;
  font-size: 0.5rem!important;
  bottom: 10px;
  left: 0;
  width: 100%;
  position: absolute;
  z-index: 10;
  left: 46%;
}
.pic-desc {
  width: 74.5%;
  padding-top: 0.2rem;
}
.pic-desc p {
  display: none;
  color: #7d7a88;
  line-height: 20px;
  font-size: 0.34rem;
}
.con-year {
  position: relative;
  height: 82%;
}
.last-page {
  background: url("../img/2017-back.jpg") top;
  background-size: 100% 100%;
}
.last-page .head {
  margin: 10% auto;
}
.last-page a {
  margin-top: 8%;
}

@media screen and (max-height: 530px) {
    .video-pic {
     height: 3.2rem!important; 
    }
    .play {
      width: 1.2rem!important;
      height: 1.2rem!important;
      top: 1rem!important;
    }
    .time {
      width: 58%;
    }
    .desc {
      width: 34%;
    }
    .doing-page .head {
          margin: 16% auto;
    } 
    .last-page .head {
      margin: 8% auto!important;
    }
    .part-in img {
      width: 43%
    }
    .pic-desc p {
      font-size: 12px!important;
    }
}