.frist {
  background-size: cover;
  background-position: 100% 24%;
}
.frist .content {
  min-height: 78.8vh;
  padding-top: 17vw;
  box-sizing: border-box;
  padding-bottom: 10vw;
  position: relative;
}
.frist .content .swiper-container .swiper-slide {
  padding: 0 var(--padding);
  display: block;
}
.frist .content .swiper-container .swiper-slide .video,
.frist .content .swiper-container .swiper-slide .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.frist .content .swiper-container .swiper-slide .mask {
  background-color: rgba(255, 255, 255, 0.5);
  touch-action: none;
  pointer-events: none;
  z-index: 2;
}
.frist .content .swiper-container .swiper-slide .title {
  width: 65%;
  line-height: 1.2;
  margin-bottom: 8.5vw;
  font-family: HelveticaBLCN, Arial, Helvetica, sans-serif;
  position: relative;
  z-index: 3;
}
.frist .content .swiper-container .swiper-slide .btn {
  display: inline-block;
  box-sizing: border-box;
  padding: 0.5em 4em;
  font-size: 2rem;
  position: relative;
  z-index: 99;
}
@media all and (min-width: 1919px) {
  .frist .content {
    padding-bottom: 15.5vw;
  }
  .frist .content .swiper-container .swiper-slide .title {
    margin-bottom: 7.5vw;
  }
}
@media all and (max-width: 1441px) {
  .frist .content {
    padding-bottom: 13vw;
  }
}
@media all and (max-width: 768px) {
  .frist .content {
    padding-top: 30vw;
  }
  .frist .content .swiper-container .swiper-slide .title {
    font-size: 3.5rem;
    width: 100%;
    margin-bottom: 6.5vw;
  }
  .frist .content .swiper-container .swiper-slide .btn {
    font-size: 1.4rem;
    padding: 1.5vw 8vw;
  }
}
.frist .content .swiper-container .swiper-slide .title {
  transform: translateY(-30px);
  opacity: 0;
}
.frist .content .swiper-container .swiper-slide .title.wow.animated {
  transform: translateY(0px);
  opacity: 1;
}
.frist .content .swiper-container .swiper-slide .btn {
  opacity: 0;
}
.frist .content .swiper-container .swiper-slide .btn.wow.animated {
  opacity: 1;
}
@media all and (max-width: 768px) {
  .frist .content {
    min-height: 100vw;
  }
}
.frist .content .swiper-container .swiper-slide .mask {
  background-color: rgba(0, 0, 0, 0.4);
}
.frist .content .swiper-container .swiper-slide .title {
  color: #fff;
}