.banner {
  height: 100vh;
  position: relative;
}
.banner .bg {
  width: 100%;
  height: 100%;
}
.banner.on .box .title p div {
  transform: translateX(0) !important;
  opacity: 1 !important;
  filter: none !important;
}
.banner.on .box .main {
  transform: translateY(0);
  opacity: 1;
}
.banner.on .box .main::after {
  transform: scaleX(1);
}
.banner .box {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.banner .box .title {
  text-align: center;
}
.banner .box .title p div {
  transition: all 1s;
}
.banner .box .title .ch {
  font-size: 40px;
  color: #fff;
  margin-bottom: 4px;
  font-family:'Microsoft YaHei','PingFang SC',sans-serif;
}
.banner .box .title .en {
  color: #fff;
  font-family: DR;
  font-size: 18px;
  line-height: 24px;
  opacity: 0.6;
}
.banner .box .main {
  width: 608px;
  margin: 50px auto 0;
  padding-top: 56px;
  display: flex;
  justify-content: center;
  transition: all 1s 2s;
  position: relative;
  transform: translateY(20px);
  opacity: 0;
}
.banner .box .main::after {
  width: 100%;
  height: 1px;
  content: '';
  top: 0;
  position: absolute;
  transform: scale(0);
  transition: all 1s 2s;
  background-color: rgba(255, 255, 255, 0.18);
}
.banner .box .main a {
  display: block;
  color: #fff;
  font-weight: 400;
  font-size: 24px;
  position: relative;
  transition: all 1s;
  font-family:'Microsoft YaHei','PingFang SC',sans-serif;
}
.banner .box .main a:hover {
  color: #d9c683;
}
.banner .box .main a:hover .round {
  opacity: 1;
}
.banner .box .main a .round {
  position: absolute;
  width: 9px;
  height: 9px;
  opacity: 0;
  border-radius: 50%;
  transition: all 1s;
  transform-origin: 20% 20%;
  background-color: #d9c683;
  animation: spin 6s infinite linear;
}
.banner .box .main a .round:first-child {
  right: -15px;
}
.banner .box .main a .round:nth-child(2) {
  width: 4px;
  height: 4px;
  right: -20px;
  top: -10px;
}
.banner .box .main a:not(:last-child) {
  margin-right: 164px;
}
@keyframes spin {
  100% {
    transform: rotate(1turn);
  }
}
@media screen and (max-width: 2560px){
	
}


@media screen and (max-width: 2048px){
	
}

@media screen and (max-width: 1856px){
	
}

@media screen and (max-width: 1792px){
	
}

@media screen and (max-width: 1680px){
	.banner .box .title .ch {
    font-size: 36px;
  }
  .banner .box .title .en {
    font-size: 16px;
  }
  .banner .box .main{
    margin-top: 30px;
    padding-top: 40px;
  }
}

@media screen and (max-width: 1600px){
	
}

@media screen and (max-width: 1440px){
	.banner .box .title .ch{
    font-size: 32px;
  }
}

@media screen and (max-width: 1400px){
	
}

@media screen and (max-width: 1366px){
	
}



@media screen and (max-width: 1024px){
  .banner .box{
    width: 90%;
  }
  .banner .box .title .ch {
    font-size: 28px;
  }
  .banner .box .title .en {
    font-size: 14px;
  }
  .banner .box .main {
    margin-top: 10px;
    padding-top: 20px;
  }
}


@media screen and (max-width: 820px){
  .banner {
    height: 93vh;
  }

}


@media screen and (max-width: 768px){
  .banner {
    height: 80vh;
  }
}


@media screen and (max-width: 540px){
	.banner {
    height: 70vh;
  }
  .banner .box .main{
    width: 100%;
  }
  .banner .box .main a {
    font-size: 20px;
  }
  .banner .bg{
    filter: brightness(.8);
  }
  .banner .box .title .ch {
    font-size: 24px;
  }
}

@media screen and (max-width: 450px){
	.banner .box .title .en{
    line-height: 18px;
    font-size: 12px;
  }
  .banner .box .main a:not(:last-child) {
    margin-right: 80px;
  }

}
@media screen and (max-width: 414px){
	
}

@media screen and (max-width: 375px){
	
}

@media screen and (max-width: 360px){
	
}