.device {
      width: 100%;
      height: auto;
      margin: auto;
      overflow: hidden;
      position: relative;
  }
  .device .video_btn{
  	position: absolute;
  	top: 42%;
  	right: 26%;
  	z-index: 99999;
  	cursor: pointer;
  }
  
  
  
  .device .arrow-left {
    background: url(../imgs/left_home@2x.png) no-repeat left top;
    position: absolute;
    left: 38px;
    top: 44%;
    width: 57px;
    height: 57px;
    z-index: 9992;
  }
  .device .arrow-right {
    background: url(../imgs/right_home@2x.png) no-repeat left bottom;
    position: absolute;
    right: 38px;
    top: 44%;
    width: 57px;
    height: 57px;
    z-index: 9992;
  }
  .swiper-container {
    width: 100%;
    margin: auto;
  }
  .pagination {
    position: absolute;
    left: 5%;
    bottom:13%;
    width: 100%;
    z-index: 9992;
  }
  .swiper-pagination-switch {
    display: inline-block;
    margin: 0 3px;
    cursor: pointer;
    width: 60px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
  }
  .swiper-active-switch {
    background: #122a88;
  }
 
  .device .swiper-wrapper,.device .swiper-slide{
    height: 762px!important;
    position: relative;
  }
  
  
  @media screen and (max-width: 1750px){
  .device .swiper-wrapper, .device .swiper-slide {
      height: 790px!important;
  }
  }
  @media screen and (max-width: 1700px){
  .device .swiper-wrapper, .device .swiper-slide {
      height: 760px!important;
  }
  } @media screen and (max-width: 1650px){
  .device .swiper-wrapper, .device .swiper-slide {
      height: 720px!important;
  }
  }
@media screen and (max-width: 1600px){
  .device .swiper-wrapper, .device .swiper-slide {
      height: 700px!important;
  }
  }@media screen and (max-width: 1500px){
  .device .swiper-wrapper, .device .swiper-slide {
      height: 680px!important;
  }
  }
  @media screen and (max-width: 1400px){
    .device .swiper-wrapper, .device .swiper-slide {
        height: 610px!important;
    }
    }
	@media screen and (max-width: 1200px){
	  .device .swiper-wrapper, .device .swiper-slide {
	      height: 550px!important;
	  }
	  }
	  .device .swiper-slide .son_info{
	  	position: absolute;
	  	left: 9%;
	  	top: 30%;
	  	z-index: 999;
	  			font-size: 36px;
	color: #ffffff;
	  }
	  .device .swiper-slide .son_info .tit{
    width:610px;
	font-size: 48px;
	font-weight: bold;
	font-stretch: normal;
	line-height: 60px;
	  }
	  .device .swiper-slide .son_info .line{
	  	width: 35px;
	height: 3px;
	background-color: #d6a77b;
	margin: 35px 0 18px;
	  }
	  
  .device .swiper-slide img{
    width: 100%;
    height: 100%;
    display: block;
  }
  .banner_box{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin: auto;
    position: absolute;
    top: 260px;
    text-align: center;
  }
  @font-face {
    /* font-test*/
    font-family: 'SourceHanSansCN';
    src:url('../fonts/SourceHanSansCN-ExtraLight.ttf') format('truetype');
  }
  .banner_box p{
    font-size: 72px;
    color: #ffffff;
    margin-top: 30px;
    font-family: 'SourceHanSansCN';
  }
  .banner_box span{
    font-size: 36px;
    color: #ffffff;
    font-family: 'SourceHanSansCN';
  }
  .banner_box .ban_i{
    display: block;
    width: 62px;
    height: 1px;
    background-color: #ffffff;
    margin: 40px auto 0;
  }
  .banner_box a{
    width: 189px;
    height: 45px;
    background-color: transparent;
    border: solid 1px #ffffff;
    display: block;
    border-radius: 25px;
    text-align: center;
    line-height: 45px;
    font-size: 18px;
    color: #ffffff;
    margin: 60px auto 0;
    font-family: 'SourceHanSansCN';
  }

  @media screen and (max-width: 800px){
  	   .banner .device .swiper-slide .son_info .tit {
    width:72%;
    font-size: 18px;
    line-height: 26px;
}
.banner .device .swiper-slide .son_info .line {
    margin: 16px 0 16px;
}
.banner .device .swiper-slide .son_info {
  
    font-size: 20px;}
    .device .swiper-wrapper,.device .swiper-slide{
        height: 340px !important;
    }
    .pagination,
    .device .arrow-left,
    .device .arrow-right{
      display: none !important;
    }
    .banner_box {
      top: 32px;
    }
    .banner_box p {
      font-size: 22px;
      margin-top: 15px;
    }
    .banner_box span {
      font-size: 12px;
    }
    .banner_box .ban_i {
      width: 30px;
      margin: 15px auto 0;
    }
    .banner_box a {
      width:77px;
      height: 19px;
      border-radius: 25px;
      line-height: 19px;
      font-size: 12px;
      margin: 20px auto 0;
  }
}

	@media screen and (max-width: 500px){
.device .swiper-wrapper, .device .swiper-slide {
    height: 250px !important;
}
}