.banner{
  height: 8rem;
}
.banner .swiper-slide{
  background-repeat: no-repeat;
  -webkit-background-size: cover;
  background-size: cover;
  background-position: 50% 50%;
}
.banner .swiper-pagination-bullet {
  width: 0.5rem;
  height: 0.13rem;
  border-radius: .05rem;
  background: #fff;
  opacity: .7;
}
.banner .swiper-pagination-bullet-active{
  width: .75rem;
  background-color: #3a42a2;
  opacity: 1;
}

.about-us-title{
  font-size: 0.64rem;
  margin: 1em 0;
  color: #3a42a2;
}
.about-us-info{
  font-size: 0.37rem;
  line-height: 2;
  margin: 1em 0;
  color: #666;
}
.about-us-list{
  float: left;
  margin: .25rem 0;
  width: 50%;
  text-align: center;
}
.about-us-list > p{
  font-size: 0.32rem;
  margin: 1em 0;
  color: #999;
}
.about-us-list > b{
  font-size: 0.91rem;
  color: #3740a3;
}

.about-us-video-wrap{
  position: relative;
  height: 5.33rem;
  margin: 1rem 0 1.5rem;
  border-radius: 0.27rem;
  overflow: hidden;
  background: url(../img/about-us/about-us-video.jpg) 50% 50% no-repeat;
  -webkit-background-size: cover;
  background-size: cover;
  background-repeat: no-repeat;
}
.about-us-video-wrap:before{
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  content: '';
  background: #000;
  opacity: .5;
}
.about-us-video-title-wrap{
  font-size: 0.48rem;
  letter-spacing: .15em;
  position: absolute;
  z-index: 2;
  top: 50%;
  right: 1.07rem;
  left: 1.07rem;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  transform: translateY(-50%);
  color: #fff;
}
.about-us-video-title{
  font-size: 0.43rem;
}
.about-us-video-subtitle{
  font-size: 0.27rem;
  margin-top: .5em;
  text-align: center;
}
.about-us-video-btn{
  position: relative;
  width: 0.8rem;
  height: 0.8rem;
  margin-right: 0.33rem;
  border: 1px solid #c6af83;
  border-radius: 50%;
}
.about-us-video-btn:after{
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 0;
  height: 0;
  margin: auto;
  margin-left: 0.25rem;
  border-top: 0.25rem solid transparent;
  border-left: 0.37rem solid #c6af83;
  border-radius: 5px;
  border-bottom: 0.25rem solid transparent;
  content: '';
}
.about-us-video{
  width: 100%;
  height: 100%;
}
.about-us-video-info{
  font-size: 0.27rem;
  position: absolute;
  z-index: 1;
  letter-spacing: .15em;
  right: 0;
  bottom: .85rem;
  left: 0;
  word-spacing: 1em;
  text-align: center;
  text-transform: uppercase;
  color: #fff;
}

.about-us-1{
  position: relative;
  overflow: hidden;
  height: 6rem;
  min-height: 6rem;
  -webkit-transition: .5s;
  -o-transition: .5s;
  transition: .5s;
}
.about-us-1-list-input:checked + .about-us-1{
  height: auto;
}
.about-us-1-list{
  font-size: 0.32rem;
  height: 1.07rem;
  padding: 0 0.27rem;
  border-radius: 0.07rem;
  margin-top: 0.13rem;
  color: #333;
  background: #f5f5f5;
}
.about-us-1-list.justify-center{
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  -webkit-transition:  inherit;
  -o-transition:  inherit;
  transition:  inherit;
}
.about-us-1-list-input:checked + .about-us-1 > .about-us-1-list.justify-center{
  visibility: hidden;
  opacity: 0;
}

.about-us-2{
  height: 8rem;
}
.about-us-2 .swiper-slide{
  background-repeat: no-repeat;
  -webkit-background-size: cover;
  background-size: cover;
  background-position: 50% 50%;
}
.about-us-2 .swiper-pagination-bullet {
  width: 0.5rem;
  height: 0.13rem;
  border-radius: .05rem;
  background: #ccc;
  opacity: .7;
}
.about-us-2 .swiper-pagination-bullet-active{
  width: .75rem;
  background-color: #3a42a2;
  opacity: 1;
}

.about-us-3{
  position: relative;
  height: 14.4rem;
  padding: 0.73rem .4rem;
  margin-top: 1rem;
  background:  url(../img/about-us/about-us-3.jpg) 50% 50% no-repeat;
  -webkit-background-size: cover;
  background-size: cover;
}
.about-us-3 + .footer{
  padding-top: 0;
}
.about-us-3-title{
  font-size: 0.64rem;
  color: #fff;
}
.about-us-3-info{
  position: absolute;
  right: .4rem;
  bottom: .4rem;
  left: .4rem;
  padding: 1rem 0.53rem 0.8rem 0.67rem;
  background: #fff;
}
.about-us-3-text{
  font-size: 0.37rem;
  margin: .5em 0;
  color: #333;
}
.about-us-3-tel{
  font-size: 0.91rem;
  display: block;
  margin-bottom: 1em;
  color: #3740a3;
  font-weight: bold;
}