/*case*/
	.swiper-container {
      width: 100%;
      margin: 100px auto 0;
      clear: both;
      position: relative;
    }
.swiper-container .swiper-slide {
    	width: 100%;
      text-align: center;
      font-size: 18px;
      background: #fff;
    }
.swiper-container .swiper-slide>img{
      height: 640px;
    }
.swiper-container .swiper-button-next, .swiper-container .swiper-button-prev{
    	background-image: none;
    	position: absolute;
    	top:571px;
    	right:0;
    	width: 360px;
    	height: 65px;
    	line-height: 65px;
    	background-color: #4d4948;
    	color:#fff;
    	font-size: 16px;
    	text-align: center;
    }
.swiper-container  .swiper-button-next>img,.swiper-container .swiper-button-prev>img{
    	vertical-align: middle;
    }
.swiper-container .swiper-button-prev{
    	right: 360px;
    }
.swiper-container .swiper-button-prev:hover, .swiper-container .swiper-button-next:hover{
      background-color: #c9151e;
    }
.swiper-container .swiper-button-prev>img{
    	transform: rotate(180deg);
    }
.swiper-container .swiper-button-next{
    	right:0;
    }	
    .content{
      width:100%;
      background-color: #fff;
      margin-top: -2px;
    }
    .content .desc{
      background-color: #eee;
      padding:40px 0 60px;
    }
    .content .pic_box{
      padding:55px 0;
      box-sizing: border-box;
    }
    .content .desc>div,.content .pic_box>div{
      width: 63%;
      margin:0 auto;
    }
    .content .desc>div{
      text-align: left;
      color:#333;
      overflow: hidden;
    }
    .content .desc>div>img{
      float: left;
      margin-right: 40px;
    }
    .content .desc>div .text_box{
      float: right;
      width: 90%;
      font-family: "PingFang Medium";
    }
    .content .desc>div h1{
      line-height: 52px;
      font-size: 30px;
      font-family: "PingFang Medium";
    }
    .content .desc>div span{
      display: block;
      margin-bottom: 18px;
      color:#999;
      font-family: "Myriad Pro";
      font-family: "HELVETICA NEUE CE 55 ROMAN";
    }
    .content .desc>div p{
      line-height: 30px;
      color:#666;
      font-size: 16px;
      font-family: "PingFang Medium";
    }
    .content .pic_box>div{
      overflow:hidden;
    }
    .pic_item{
      font-family: "PingFang Medium";
      width: 32%;
      margin:0 .4%;
      margin-bottom: 30px;
      text-align: center;
      float: left;

    }
    .pic_item a{
      display: block;
      width: 100%;
      /*height: 280px;*/
      overflow: hidden;
      position: relative;
    }
    .pic_item a>img{
      width: 100%;
    }
    .pic_item p{
      height: 44px;
      line-height: 44px;

    }
    .pic_mask{
      position: absolute;
      left:0;
      bottom :-100%;
      width: 100%;
      height: 100%;
      background-color: rgba(0,0,0,.3);
      display: flex;
      transition: all .6s ease;
      -webkit-transition: all .6s ease;
      -moz-transition: all .6s ease;
      -o-transition: all .6s ease;
    }
    .pic_mask img{
      margin:auto;
      opacity: 0;
      transition: all .3s ease .6s;
      -webkit-transition: all .3s ease .6s;
      -moz-transition: all .3s ease .6s;
      -o-transition: all .3s ease .6s;
    }
    .pic_item:hover .pic_mask{
      bottom:0;
    }
    .pic_item:hover .pic_mask img{
      opacity: 1;
    }
    .close_btn{
      cursor: pointer;
      transition: all 1s linear;
      -webkit-transition: all 1s linear;
      -moz-transition: all 1s linear;
      -o-transition: all 1s linear;
    }
    .close_btn:hover{
      transform: rotate(180deg);
    }


@media only screen and (max-width: 1600px){
    .swiper-container .swiper-button-next, .swiper-container .swiper-button-prev {
      top: 465px;
  }
  .content .desc>div,.content .pic_box>div {
      width: 70%;
  }
  .content .desc>div>img {
      margin-right: 34px;
  }
  .content .desc>div .text_box {
      width: 88%;
  }
  .pic_item {
      width: 32%;
      /*height: 286px;*/
  }
  .pic_item a { 
      /*height: 237px;*/
  }
}

@media only screen and (max-width: 1440px){
    .swiper-container .swiper-button-next, .swiper-container .swiper-button-prev {
      top: 411px;
  }
  .content .desc>div>img {
      margin-right: 30px;
  }
  .content .desc>div .text_box {
      width: 88%;
  }
  .pic_item {
      width: 32%;
      /*height:250px;*/
  }
  .pic_item a { 
      /*height: 213px;*/
  }
}

@media screen and (max-width: 1366px){
    .swiper-container .swiper-button-next, .swiper-container .swiper-button-prev {
      top: 387px;
  }
  .pic_item a {
      /*height: 200px;*/
  }
  .content .desc>div .text_box {
      width: 86%;
  }
  .pic_item {
      /*width: 270px;*/
      /*height: 270px;*/
  }
  
}
@media screen and (max-width: 1366px){
  .swiper-container {
      margin: 50px auto 0;
  }
  .content .desc>div, .content .pic_box>div {
      width: 100%;
  }
  .content .desc>div{text-align: center;}
  .content .desc>div .text_box {
      width: 98%;
  }
  .content .desc>div h1 {
      font-size: 18px;
      line-height: 30px;
      margin-bottom: 10px;
  }
  .content .desc>div span{
    font-size: 16px;
  }
  .pic_item {
      width: 80%;
      margin: 0 auto 30px;
      border:1px solid #ddd;
      float: none;
  }
  .pic_item p {
      height: auto;
      line-height: 30px;
      margin: 10px auto;
  }
    .swiper-container .swiper-button-prev {
      right: 50%;
  }
    .swiper-container .swiper-button-next,.swiper-container .swiper-button-prev {
      width: 50%;
  }
    .swiper-container .swiper-button-next,.swiper-container .swiper-button-prev {
      top: 127px;
      height: 46px;
      line-height: 46px;
  }
  .content .desc {
      padding: 64px 0 60px;
  }
  .content .desc>div>img {
       margin-right: 0; 
       margin-left: 10px;
       display: none;
  }
}
@media screen and (max-width: 500px){
  .pic_item{
    width: 94%;
  }
  .pic_item p{font-size: 16px;}
}