.main-content {
  padding-top: 64px;
}
.banner-wrapper {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 800px;
}

.banner-wrapper ul>li {
  width: 100%;
  height: 800px !important;
  position: relative;
}

.banner-wrapper ul>li>a {
  display: block;
  width: 100%;
  height: 100%;
  background-position: center center !important;
  background-repeat: no-repeat;
  background-size: cover;
}
.banner-mobile {
  display: none !important;
}

.floor-container {
  background: #F7F9FF;
  font-size: 100px;
  border: 10px solid #fff;
}
.floor1-container {
  border-bottom: none;
  height: 8em;
  position: relative;
}
.floor1-container .join-btn {
  position: absolute;
  bottom: 1.6em;
  left: 50%;
  transform: translateX(-50%);
  background: #000;
  color: #fff;
  border-radius: 0.28em;
  border: none;
  margin: 0 auto;
  max-width: 2.8em;
  width: 100%;
  height: 0.56em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.floor1-container:hover .join-btn {
  background: linear-gradient(97deg, #7CA1FF 0%, #467AFF 100%);
}
.join-btn span {
  font-size: 0.24em;
  font-weight: 600;
}
.join-btn i {
  font-size: 0.18em;
  margin-left: 10px;
}

.floor1-container img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.floor-container:last-child {
  border-top: 0;
}
.flavors-content {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  -webkit-justify-content: space-between;
  padding-top: 0.9em;
}
.flavors-content .col-left {
  width: 5.4em;
  margin-top: 0.24em;
  padding-bottom: 0.9em;
}
.flavors-content .col-right {
  width: 50%;
}
.floor2-container .swiper-slide img {
  width: 100%;
  display: block;
  border-radius: 20px;
}
.floor-container .title {
  font-size: 0.56em;
  font-weight: bold;
  margin-bottom: 24px;
  line-height: 1;
}
.floor-container .subtitle {
  font-size: 0.24em;
  max-width: 540px;
  font-weight: 500;
  line-height: 1.25;
}
.swiper-container2 {
  margin-top: 0.48em;
  position: relative;
  position: sticky;
  top: 88px;
}
.floor2-container .warning {
  font-size: 14px;
  color: #666;
}
.changebtns .item-group {
  float: left;
  width: 20%;
  cursor: pointer;
}
.item-group:first-child, .item-group:nth-child(3),.item-group:nth-child(5) {
  margin-top: 1em;
}
.changebtns .item-list {
  position: relative;
}
.changebtns .item-group img {
  display: block;
  width: 100%;
  position: relative;
  z-index: 2;
}
.changebtns .item-group .flavor-hover {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  transition: all .4s ease;
}
.changebtns .item-list:hover .flavor-hover, 
.changebtns .item-list.focus .flavor-hover {
  opacity: 0;
  transition: all .4s ease;
}
.floor2-container .swiper-pagination {
  font-size: 13px;
  width: 50px;
  height: 17px;
  background: rgba(0,0,0,0.1500);
  border-radius: 9px;
  line-height: 17px;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  position: relative;
  margin: 16px 0 48px;
}
.floor3-container {
  height: 8em;
  background: url(../../images/web/about_bg.jpg?v=456) no-repeat center center;
  background-size: cover;
  color: #fff;
}
.floor3-content {
  height: 100%;
}
.floor3-content .mobile {
  display: none;
}
.floor3-content .about-info {
  width: 50%;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
}
.floor3-content .subtitle {
  font-size: 16px;
  margin-bottom: 24px;
  line-height: 1.5;
  max-width: 600px;
}
.floor3-content .subtitle:last-child {
  margin-bottom: 0;
}
@media (max-width:1600px) {
  .floor-container {
    font-size: 90px;
  }
}
@media (max-width:1400px) {
  .banner-wrapper,.banner-wrapper ul>li {
    height: 680px !important;
  }
}
@media (max-width:1300px) {
  .floor-container {
    font-size: 80px;
  }
}
@media (max-width: 1199px) {
    .banner-wrapper,.banner-wrapper ul>li {
        height: 480px !important;
    }
    .floor-container {
      font-size: 60px;
    }
    .floor2-container .swiper-pagination {
      margin-bottom: 36px;
    }
}

@media (max-width:1023px) {
    .main-content {
      padding-top: 56px;
    }
    .banner-wrapper,.banner-wrapper ul>li {
        height: 420px !important;
    }
    .floor-container {
      font-size: 52px;
      border-left: 0;
      border-right: 0;
    }
    .floor3-content .subtitle {
      font-size: 15px;
    }
    .floor2-container .swiper-pagination {
      margin-bottom: 24px;
    }
}

@media (max-width:767px) {
  .banner-wrapper,.banner-wrapper ul>li{
      height: auto !important;
      aspect-ratio: 750/960;
  }
  .banner-pc {
      display: none !important;
  }
  .banner-mobile{
    display: block !important;
  }
  .floor1-container {
    height: auto;
    padding-bottom: 0!important;
  }
  .floor1-container .join-btn {
    bottom: auto;
    top: 26.6666667%;
    height: 40px;
    max-width: 180px;
    border-radius: 20px;
  }
  .join-btn span {
    font-size: 16px;
  }
  .join-btn i {
    font-size: 12px;
  }
  .flavors-content .col-right {
    display: none;
  }
  .flavors-content .col-left {
    width: 100%;
    text-align: center;
    margin-top: 0;
    padding-bottom: 0;
  }
  .flavors-content {
    padding-top: 32px;
  }
  .floor-container .title {
    font-size: 24px;
    margin-bottom: 16px;
  }
  .floor-container .subtitle {
    font-size: 15px;
  }
  .swiper-container2 {
    margin-top: 24px;
    position: relative;
    top: 0;
  }
  .floor-container {
    padding-bottom: 36px;
  }

  .floor3-container {
    background: #000;
    height: auto;
  }
  .floor3-content {
    padding: 0;
  }
  .floor3-content .mobile {
    display: block;
    width: 100%;
  }
  .floor3-content .about-info {
    position: static;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    width: 100%;
    text-align: center;
    padding: 0 20px;
    padding-top: 32px;
  }
}

/* 首页置顶视频 */
.index {
  position: relative;
  z-index: 2;
  margin-top: 100vh;
  background-color: #000;
}
.video-container{
  position: fixed;
  top: 48px;
  left: 0;
  width: 100%;
  height: calc(100vh - 48px);
  z-index: 1;
  background-color: #000;
}
.video-mask{
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
.guide {
  position: absolute;
  left: 50%;
  bottom: 2vw;
  width: 1.61vw;
  transform: translate3d(-50%, 0px, 0px);
  animation: upDown 1s infinite;
}
.guide img {
  display: block;
  max-width: 100%;
}
.guide:hover{
  animation: none;
}
.video-container video{
  width: 100%;
  height: 100%;
  overflow: hidden;
  object-fit: cover;
}
@keyframes upDown {
  0% {
      margin-bottom: 0;
  }
  100% {
      margin-bottom: 10px;
  }
}
.header-sticky {
  position: sticky;
  top: 0;
  height: 0;
  margin-top: 100vh;
  z-index: 11;
}
.public-header {
  position: absolute;
  top: 0;
}
.header-top {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 11;
}
@media (max-width: 1023px){
  .guide {
    width: 5vw;
    bottom: 5vw;
  }
}