.Activity {
  background: #0d0c0c;
  color: #ffffff;
  padding-top: 80px;
  padding-bottom: 100px;
}
.Activity .a-container1 {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}
.Activity .a-container2 {
  width: 920px;
  margin: 0 auto;
}
.Activity .a-t-1 {
  margin-bottom: 48px;
  font-size: 36px;
  color: #ffffff;
}
.Activity .a-how-to {
  text-align: center;
  margin-top: 110px;
}
.Activity .a-video-c {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
}
.Activity .a-video-c .a-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.Activity .a-des {
  margin-top: 80px;
  margin-bottom: 36px;
}
.Activity .a-des img {
  width: 100%;
}
.Activity .a-ref {
  font-size: 16px;
  color: #ffffff;
  line-height: 22px;
}
.Activity .a-ref a {
  color: #0095ff;
}
.Activity .a-s-img {
  width: 1200px;
}
.Activity .a-s-img img {
  width: 100%;
}
.Activity .swiper-button-prev,
.Activity .swiper-button-next {
  width: 38px;
  height: 38px;
}
.Activity .swiper-button-prev {
  left: -158px;
}
.Activity .swiper-button-next {
  right: -158px;
}
.Activity .pc-hide {
  display: none;
}
@media screen and (max-width: 768px) {
  .Activity {
    padding-top: 40px;
    padding-bottom: 50px;
  }
  .Activity .pc-hide {
    display: block;
  }
  .Activity .mobile-hide {
    display: none;
  }
  .Activity .am-swiper-wrapper::-webkit-scrollbar {
    display: none;
  }
  .Activity .am-swiper-wrapper {
    width: 100%;
    overflow-x: scroll;
    padding: 0 17px;
    -webkit-overflow-scrolling: touch;
  }
  .Activity .am-swiper-wrapper > div {
    display: inline-flex;
  }
  .Activity .am-swiper-wrapper .am-swiper-slide {
    width: 300px;
    height: 116px;
    margin-right: 16px;
    display: inline-block;
    background-size: 100% 100%;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .Activity .am-swiper-wrapper .am-swiper-slide:last-child {
    margin-right: 0;
  }
  .Activity .a-container1 {
    width: 100%;
    margin: 0 auto;
    position: relative;
  }
  .Activity .a-container2 {
    width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }
  .Activity .a-t-1 {
    margin-bottom: 24px;
    font-size: 24px;
  }
  .Activity .a-how-to {
    margin-top: 60px;
  }
  .Activity .a-des {
    margin-top: 40px;
    margin-bottom: 16px;
  }
  .Activity .a-ref {
    font-size: 16px;
    line-height: 22px;
    word-break: break-all;
    text-align: left;
  }
  .Activity .a-s-img {
    width: 271px;
    height: 130px;
  }
  .Activity .a-s-img img {
    width: 100%;
  }
  .Activity .swiper-button-prev,
  .Activity .swiper-button-next {
    width: 38px;
    height: 38px;
  }
  .Activity .swiper-button-prev {
    display: none;
  }
  .Activity .swiper-button-next {
    display: none;
  }
}