@media (max-width: 1199px) {
  .conference-os .p1 {
    color: white;
    text-align: center;
    overflow: hidden;
    background-size: 100% 100%;
    background-repeat: no-repeat;
  }
  .conference-os .p1-text3 {
    font-family: ClearSans-Thin;
    font-size: 1.375rem;
    line-height: 2.2rem;
    font-weight: lighter;
    padding-bottom: 1rem;
  }
  .conference-os .p2 {
    margin: 5rem 0 5rem;
    text-align: center;
  }
  .conference-os .p3 {
    text-align: center;
  }
  .conference-os .p4 {
    margin: 5.25rem 0;
    padding-bottom: 4.375rem;
    text-align: center;
  }
  .conference-os .p5 {
    padding-bottom: 2.875rem;
    text-align: center;
  }
  .conference-os .p6 {
    padding-bottom: 3.875rem;
    margin: 5rem 0 5.25rem;
    text-align: center;
  }
  .conference-os .p7-text2 {
    font-family: ClearSans;
    font-size: 1.5rem;
    color: #232222;
    line-height: 1.875rem;
    margin: 1.75rem 0 1.75rem;
  }
  .conference-os .p8 .text2 {
    margin: 1.625rem 2rem 2.625rem;
  }
  .conference-os .p10 {
    padding-bottom: 2.875rem;
    margin-top: 5.625rem;
    text-align: center;
  }
}
@media (min-width: 1200px) {
  .p1 {
    height: 83.125rem;
    background-size: cover;
    color: white;
    text-align: center;
    overflow: hidden;
  }
  .p1-text3 {
    width: 76.125rem;
    font-family: ClearSans-Thin;
    font-size: 1.275rem;
    line-height: 1.575rem;
    font-weight: lighter;
  }
  .p1-item .move1 {
    top: -36rem;
    left: -62rem;
    transform: scale(4) rotateX(360deg);
  }
  .p1-item .move2 {
    top: 32rem;
    left: -70rem;
    transform: scale(6) rotate(540deg);
  }
  .p1-item .move3 {
    top: -40rem;
    left: 55rem;
    transform: scale(5) rotateY(-420deg);
  }
  .p2 {
    width: 75rem;
    padding-bottom: 2.5rem;
    margin: 11rem 0 11.5rem;
  }
  .p3 {
    width: 75rem;
  }
  .p4 {
    width: 75rem;
    margin: 11.25rem 0;
    padding-bottom: 4.375rem;
  }
  .p5 {
    padding-bottom: 2.875rem;
    width: 75rem;
  }
  .p6 {
    padding-bottom: 3.875rem;
    margin: 13rem 0 11.25rem;
    width: 81.875rem;
  }
  .p7-text2 {
    font-family: ClearSans;
    font-size: 1.5rem;
    color: #232222;
    line-height: 1.875rem;
    width: 67.625rem;
    margin: 2.75rem 0 3rem;
  }
  .p8 .text2 {
    margin: 1.625rem 0 2.625rem;
    width: 67rem;
  }
  .p10 {
    width: 75rem;
    padding-bottom: 2.875rem;
    margin-top: 10.625rem;
  }
}
.conference-os .p1-item {
  position: relative;
  margin: 0 0.3rem;
}
.conference-os .p1-item img {
  width: 3.4rem;
  position: absolute;
  transition: all 1.4s;
}
.conference-os .p1.on .p1-item img {
  transform: scale(1) rotate(0);
  top: 0;
  left: 0;
}
.conference-os .p1-list {
  display: flex;
  transform-style: preserve-3d;
  perspective: 20rem;
}
.conference-os .p1-text2 {
  font-family: ClearSans-Bold;
  line-height: 1.2;
  font-weight: 700;
}
.conference-os .p1-link {
  width: 9.375rem;
  height: 2.25rem;
  margin: 3.75rem 0 4.125rem;
  position: relative;
}
.conference-os .p1-link img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  transition: all 0.4s;
}
.conference-os .p1-link img:last-child {
  opacity: 0;
}
.conference-os .p1-link img:last-child:hover {
  opacity: 1;
}
.conference-os .text1 {
  font-family: ClearSans-Bold;
  font-size: 2rem;
  color: #232222;
  line-height: 2.5rem;
  font-weight: 700;
}
.conference-os .text2 {
  font-family: ClearSans-Thin;
  font-weight: lighter;
  font-size: 1.5rem;
  color: #232222;
  line-height: 1.75rem;
}
.conference-os .flex {
  display: flex;
  position: relative;
  flex-flow: wrap;
}
.conference-os .p2-img {
  width: 28.125rem;
  height: 16.625rem;
}
.conference-os .bg1 {
  position: absolute;
  width: 100%;
  bottom: 0;
  z-index: -1;
}
.conference-os .p2 .text2 {
  width: 35.25rem;
  margin-top: 2rem;
}
.conference-os .p3-link,
.conference-os .p4-link {
  width: 15rem;
  height: 1.875rem;
  display: block;
  position: relative;
}
.conference-os .p3-link img,
.conference-os .p4-link img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  transition: all 0.3s;
}
.conference-os .p3-link img:last-child,
.conference-os .p4-link img:last-child {
  opacity: 0;
}
.conference-os .p3-link img:last-child:hover,
.conference-os .p4-link img:last-child:hover {
  opacity: 1;
}
.conference-os .p3-img,
.conference-os .p4-img,
.conference-os .p5-img,
.conference-os .p6-img,
.conference-os #v1,
.conference-os #v2 {
  width: 28.125rem;
  height: 15.3125rem;
}
.conference-os .p3 .text2 {
  width: 33.25rem;
}
.conference-os .p4 .text2 {
  width: 34.875rem;
}
.conference-os .p5 .text2 {
  width: 32.875rem;
  margin-top: 1.875rem;
}
.conference-os .p5-text {
  margin: 0 6.125rem 0 4.5rem;
}
.conference-os .p6-text .text1 {
  width: 32.875rem;
}
.conference-os .p6 .text2 {
  width: 35rem;
  margin-top: 2.5rem;
}
.conference-os .p7,
.conference-os .p8 {
  text-align: center;
}
.conference-os .p8-text1 {
  width: 19.875rem;
  height: 2.8125rem;
  line-height: 2.8125rem;
  background-size: cover;
  font-family: ClearSans;
  font-size: 1.5rem;
  color: #232222;
}
.conference-os .p9-img {
  width: 63.875rem;
  margin-bottom: 3.375rem;
}
.conference-os .p10-img {
  width: 26rem;
  height: 15.4375rem;
}
.conference-os .p10 .text2 {
  width: 37rem;
  margin-top: 2.25rem;
}
.conference-os .p11 {
  width: 100%;
  background-image: linear-gradient(0deg, rgba(64, 142, 222, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
}
.conference-os .p11 .text2 {
  width: 35.5rem;
  margin-top: 2.375rem;
}
.conference-os .fix {
  position: fixed;
  width: 100%;
  height: 0;
  background-color: rgba(0, 0, 0, 0.8);
  overflow: hidden;
  top: 0;
  left: 0;
  z-index: 9;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.conference-os .fix video {
  width: 50%;
}
.conference-os .close {
  width: 5rem;
  height: 5rem;
  color: white;
  border-radius: 50%;
  line-height: 5rem;
  font-size: 5rem;
  position: absolute;
  top: 8rem;
  right: 4rem;
  text-align: center;
  cursor: pointer;
}