.swiper-slide .img_div_pc{position: relative}
.pc_header.white .nav li:nth-child(3) > a{color: #ff5a00}
.class-con{margin-top: 60px}
.class-con .bg-4-c{display: flex;margin-bottom: 15px;justify-content:center;}
.class-con .bg-4m-img{width: 100%;height: 355px;overflow: hidden;}
.class-con .bg-4-c-m{width: 633px;position: relative;font-size: 26px;}
.class-con .bg-4m-t1,.bg-4m-t2{overflow: hidden;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 2;color:#9b9b9b;font-weight: bold;}

.class-con .bg-4m-t1{margin-top: 25px;margin-bottom: 13px}
.class-con .bg-4m-t2{margin-top: 13px;margin-bottom: 25px}

.case-list-special{
  height: 765px;
  padding-top: 230px;
}
.case-gallery{
  padding-top: 113px;
}
.bg-col-00{
  background: #fff;
  position: relative;
  padding-bottom: 50px;
}
.content{
  margin-bottom: 0;
}
.case-list{
  width: 820px;
  margin: 0 auto;
}
.case-gallery .swiper-slide {
  width: 52.33%;
  -webkit-flex-shrink: 0;
  -ms-flex: 0 0 auto;
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  position: relative;
  -webkit-transition: transform .5s;
  -moz-transition: transform .5s;
  -ms-transition: transform .5s;
  -o-transition: transform .5s;
  -webkit-transform: scale(.8);
  transform: scale(.8);
}
.case-gallery .swiper-slide img{
  width: 100%;
  height: 100%;
}
.case-gallery .swiper-slide-next,
.case-gallery .swiper-slide-prev {
  -webkit-transform: scale(0.9);
  /* margin: 1px; */
  transform: scale(0.9);
}
.case-gallery .swiper-slide-active{
  -webkit-transform: scale(1.42);
  transform: scale(1.42);
  z-index: 2;
}
.layer-mask {
  width: 100%;
  height: 100%;
  opacity: 0.7;
  transition: all 0.5s;
  background-color: #3e3e3e;
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
}
.swiper-slide .img_div_pc{position: relative}
.swiper-slide-active .layer-mask {
  display: none;
}
.case-gallery .swiper-button-next,.mobile-show .swiper-button-next{
  background: url("../imgs/case-l.png") no-repeat;
}
.case-gallery .swiper-button-prev,.mobile-show .swiper-button-prev{
  background: url("../images/case-r.png") no-repeat;
}
.case-gallery .swiper-button-prev, .case-gallery .swiper-button-next,.mobile-show .swiper-button-prev, .mobile-show .swiper-button-next{
  width: 50px;
  height: 96px;
  margin-top: 0px;
}
.swiper-button-next:hover, .swiper-button-prev:hover {
  background-color: rgba(0, 0, 0, 0) !important;
}



/* tt-swiper ///////////////////////////////////////////// */

.tt-swiper {
  position: relative;
}

/*.tt-swiper .swiper-container{height: 687px;}*/

.tt-swiper .swiper-button-prev {
  left: 138px;
}

.tt-swiper .swiper-button-next {
  right:138px;
}

.tt-swiper .swiper-pagination-bullets {
  top: -80px;
  right: 0;
}

.tt-swiper .swiper-pagination-bullet {
  margin-left: 8px;
}
.case-list{
  margin-top: 32px;
}
.case-list h2{
  font-size: 48px;
  color: #3e3a39;
  /*font-weight: bold;*/
  margin-bottom: 20px;
  margin-top: 10px;
}
.case-list h3{
  font-size: 22px;
  color: #3e3a39;
  font-weight: bold;
  margin-bottom: 15px;
}
.subtitle{
  color: #717071;
  font-size: 19px;
}
.description{
  margin-top: 72px;
}
.description p{
  color: #717071;
  font-size: 19px;
  /*margin-bottom: 10px;*/
  line-height: 33px;
}


.right-tool {
  position: absolute;
  right: 100px;
  top: 130px;
  z-index: 9999;
}

.section-title {
  padding: 130px 0 60px;
  text-align: center;
}
.section-title h2 {
  margin: 0;
  font-size: 47px;
  color: #3e3a39;
}
.section-title p {
  display: inline-block;
  padding-top: 5px;
  margin: 10px 0 0 0;
  font-size: 17px;
  text-transform: uppercase;
}
/*.bg-2{*/
 /*border-top: 1px solid #f8f8f8;*/
/*}*/
/*.bg-cont{*/
  /*width: 820px;*/
  /*margin: 0 auto 80px;*/
/*}*/
/*.product{*/
  /*margin-top: 38px;*/
  /*display: flex;*/
  /*margin-bottom: 15px;*/
  /*justify-content: space-between;*/
/*}*/
/*.product a{*/
  /*text-align: center;*/
  /*font-size: 30px;*/
  /*color: #aaaaab;*/
  /*border-bottom: 1px solid #a4a09f;*/
  /*padding: 2px 3px;*/
/*}*/
.class-con{
  margin-top: 0;
}
.class-con .bg-4-c{
  margin-bottom: 50px;
}
.class-con .bg-4-c-m {
  width: 632px;
  position: relative;
  font-size: 26px;
  text-align: center;
  padding-bottom: 20px;
  overflow: hidden;
  margin: 0 3px;
}
.class-con .bg-4-c-m img{width: 100%}
.title-top{display: none;}
.en-title{
  display: none;
}

.subtitle a{color: #717071}
.subtitle a:hover{color: #ff5a00}

.class-con .bg-4m-t2{font-weight: normal}
/* media ///////////////////////////////////////////// */
@media (max-width: 750px) {
    .class-con .bg-4-c{flex-direction:column;}
    .class-con .bg-4-c-m{width: 750px}
    .class-con .bg-4-c-m .bg-4m-img>img{width: 100%}
    .class-con .bg-4m-t1{font-size: 36px;margin: 10px 0px;font-weight: bold}
    .class-con .bg-4m-t2{margin-bottom: 20px}
    .mobile-show .swiper-button-prev, .mobile-show .swiper-button-next{margin-top:-40px}
    .mobile-show.swiper-container swiper-slide div{width: 100%;position: relative}
}


@media (max-width: 750px) {
  .content.bg-3{margin-bottom: 0px}
  .case-gallery .swiper-slide img{height: 660px}
  .mobile-show.swiper-container img{width:100%}
  .case-gallery{padding-top: 210px}
  .class-con .bg-4-c{margin-bottom: 0px}

  .mobile-show .swiper-button-prev{left:20px}
  .mobile-show .swiper-button-next {right: 20px;}
  .case-list{margin-top: 150px}
  .case-list h2{margin-bottom: 10px}
  .swiper-slide .title-top{padding-top: 48px}
  .swiper-slide .description{margin-top: 93px}
  .class-con .bg-4-c{margin-top: 0px}

  .en-title{
    display: block;
    color:#bebfc0;
    font-size: 24px;
  }
  .bg-2{
    display: none;
  }
  .description p{
    line-height: 58px;
    font-size: 32px;
    margin-bottom: 30px;
  }
  .case-list h2{
    font-size: 56px;
    font-weight: normal;
  }
  .case-list h3{
    font-size: 30px;
    font-weight: normal;
  }
  .subtitle{
    font-size: 22px;
    line-height: 40px;
  }
  .title-top{
    padding-top: 20px;
  }
  /*---yzy---*/
  .txt-cont p{font-size: 32px;line-height: 58px;margin-bottom: 85px}
  /*---yzy---*/
  .bg-col-00{
    padding-bottom: 0;
    border: none;
  }
  .case-list{
    margin-bottom: 80px;
  }
  .case-list , .bg-cont{
    width: 100%;
    padding: 0 48px;
  }
  .title-top{
    display: block;
  }
  .title-top .tip{
    display: block;
    font-size: 22px;
    color: #666;
    margin-bottom: 40px;
  }
  .title-top .tip span{
    margin-left: 60px;
    position: relative;
  }
  .title-top .tip span:before{
    content: '';
    background: url(../images/share.png) no-repeat;
    background-size: 26px;
    width: 26px;
    height: 26px;
    margin-right: 38px;
    position: absolute;
    left: -34px;
    top: 1px;
  }
  .txt-cont p{
    color: #666;
  }
  .right-tool{
    position: relative;
    top: 0;
    right: 0;
  }
  .tool-item{
    display: flex;
    justify-content:space-around;
    height: 170px;
    padding: 0 80px;
  }
  .tool-item a i{
    background: url("../images/m/newsm_icon.png") no-repeat;
    background-size: 101px;
    height: 63px;
    display: block;
  }
  .tool-item a.back i{
    background-position: 0px -67px;
    width: 63px;
  }
  .tool-item a.left i{
    background-position: -67px -66px;
    width: 63px;
    height:63px;
  }
  .tool-item a.right i{
    background-position: -67px 0;
    width: 63px;
    height:63px;
  }
  .tool-item a.top i{
    background-position: 0 0;
    width: 63px;
  }
  .tool-item a{
    width: 63px;
    height: 63px;
  }
  .tool-item a.left, .tool-item a.right{
    margin-top: 0;
    height: 63px;
  }
  .tool-item a.top{
    margin-top: 0;
  }
}


/*-------------------*/

.info_bg{
  background-color: #fff;
  padding-top: 150px;
  width: 820px;
  margin: 0 auto;
}
.title-top{
  padding-top: 170px;
  font-size: 19px;
  color:#bebfc0;

}
.title-top h2{
  font-size: 48px;
  color: #3e3a39;
  margin: 10px 0 40px;
}
.content{
  margin-bottom: 110px;
}
.txt-cont p{
  color: #717071;
  font-size: 19px;
  margin-bottom: 15px;
}
.img-cont img{
  margin-bottom: 10px;
}

.right-tool{
  position: fixed;
  right: 100px;
  top: 323px;
  z-index: 9999;
}
.tool-item a{
  width: 47px;
  height: 47px;
  cursor: pointer;
  z-index: 1051;
  display: block;
  text-align: center;
}
.tool-item a.left, .tool-item a.right{
  margin-top: 27px;
  height: 71px;
}
.tool-item a.top{
  margin-top: 60px;
}
.tool-item a i{
  position: relative;
  width: 47px;
  height: 47px;
  z-index: 2;
  display: inline-block;
  background: url("../images/news_icon.png") no-repeat -1000px 0;
}
.tool-item a.back i{
  background-position: -2px -77px;
}
.tool-item a.left i{
  background-position: -2px -2px;
  width: 37px;
  height: 71px;
}
.tool-item a.right i{
  background-position: -43px -2px;
  width: 37px;
  height: 71px;
}
.tool-item a.top i{
  background-position: -53px -77px;
}
.title-top .tip{display: none;}
@media (max-width: 750px) {
  /*---yzy---*/
  .txt-cont p{font-size: 32px;line-height: 58px;margin-bottom: 85px}

  .mobile-show.case-list-special{height: 665px}
  .mobile-show.case-list-special 
  /*---yzy---*/

  .info_bg{
    width: 100%;
    padding: 0 0.48rem;
  }
  .title-top h2{
    margin-bottom: 20px;
  }
  .title-top .tip{
    display: block;
    font-size: 22px;
    color: #666;
    margin-bottom: 40px;
  }
  .title-top .tip span{
    margin-left: 60px;
    position: relative;
  }
  .title-top .tip span:before{
    content: '';
    background: url(../images/share.png) no-repeat;
    background-size: 26px;
    width: 26px;
    height: 26px;
    margin-right: 38px;
    position: absolute;
    left: -34px;
    top: 1px;
  }
  .txt-cont p{
    color: #666;
  }
  .right-tool{
    position: relative;
    top: 0;
    right: 0;
  }
  .tool-item{
    display: flex;
    justify-content:space-around;
    height: 170px;
    padding: 0 80px;
  }
  .tool-item a i{
    background: url("../images/m/newsm_icon.png") no-repeat;
    background-size: 101px;
    height: 63px;
    display: block;
  }
  .tool-item a.back i{
    background-position: 0px -67px;
    width: 63px;
  }
  .tool-item a.left i{
    background-position: -67px -66px;
    width: 63px;
    height:63px;
  }
  .tool-item a.right i{
    background-position: -67px 0;
    width: 63px;
    height:63px;
  }
  .tool-item a.top i{
    background-position: 0 0;
    width: 63px;
  }
  .tool-item a{
    width: 63px;
    height: 63px;
  }
  .tool-item a.left, .tool-item a.right{
    margin-top: 0;
    height: 63px;
  }
  .tool-item a.top{
    margin-top: 0;
  }
}


/*-----------*/
.swiper-button-next{right: 100px}
.swiper-button-prev{left: 100px}

/*--------9.14------*/
.pctip.title-top .tip{display: block;margin-left: 40px}
.pctip.title-top .tip span{color: #666666}

.pctip.title-top .tip span:before {
  content: '';
  background: url(../images/share.png) no-repeat;
  background-size: 26px;
  width: 26px;
  height: 26px;
  margin-right: 38px;
  position: absolute;
  left: -34px;
  top: 1px;
}
.pctip.title-top{display:block;cursor: pointer;}
.pctip.title-top{padding-top: 35px}
.pctip.en-title{display: block;font-size: 21px;color: #bebfc0}