img {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none
}
.swiper-box {
  margin: 0 auto;
  width: 640px
}
.swiper-slide{

}
.pic_page {
  position: absolute;
  z-index: 100;
  right: 20px;
  bottom: 20px;
  font-size: 18px;
  color: #9fa7ac;
  font-weight: bold
}
.pic_page img {
  display: block;
  width: 100%;
  height: 100%
}
.view {
  position: relative
}
.view:hover .arrow-left,.view:hover .arrow-right{
  display: block;
}
.view .swiper-container {
  width: 100%;
  height: 500px
}
.view .arrow-left {
  position: absolute;
  display: none;
  left: 10px;
  top: 50%;
  margin-top: -25px;
  width: 28px;
  height: 50px;
  /*background: url('../images/arrow_l.png') no-repeat center;*/
  background: url('../images/prev.png') no-repeat center;

  background-size: 100%;
  z-index: 10
}
.view .arrow-left:hover{
  background: url('../images/hover-prev.png') no-repeat center;
}
.view .arrow-right {
  position: absolute;
  display: none;
  right: 10px;
  top: 50%;
  margin-top: -25px;
  width: 28px;
  height: 50px;
  /*background: url('../images/arrow_r.png') no-repeat center;*/
  background: url('../images/next.png') no-repeat center;
  z-index: 10
}
.view .arrow-right:hover{
  background: url('../images/hover-next.png') no-repeat center;
}
.view .swiper-slide div {
  width: 100%;
  height: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover
}
.preview {
  width: 100%;
  margin-top: 18px;
  position: relative
}
.preview .swiper-container {
  /*margin-left: 45px;*/
  /*margin-right: 45px*/
}
.preview .swiper-slide {
  width: 100px;
  height: 90px;
  cursor: pointer;
  overflow: hidden
}
.preview .swiper-slide img {
  width: 98px;
  height: 86px;
  margin: 0 auto;
  border: 2px solid #edeef5
}
.preview .arrow-left {
  background-size: 100% 100%;
  position: absolute;
  left: 0px;
  top: 10px;
  margin-top: -12px;
  width: 44px;
  height: 90px;
  background: #9fa7ac;
  text-align: center;
  z-index: 10
}
.preview .arrow-left span {
  display: inline-block;
  width: 12px;
  height: 18px;
  background: url('../images/arrow_l@1x.png') no-repeat center;
  background-size: 100% 100%;
  transform: rotate(0);
  margin-top: 34px
}
.preview .arrow-right {
  position: absolute;
  right: 0px;
  top: 10px;
  margin-top: -12px;
  width: 44px;
  height: 90px;
  background: #9fa7ac;
  text-align: center;
  z-index: 10
}
.preview .arrow-right span {
  display: inline-block;
  width: 12px;
  height: 18px;
  background: url('../images/arrow_r@1x.png') no-repeat center;
  background-size: 100% 100%;
  margin-top: 34px
}
.preview .active-nav img {
  padding: 0;
  border-color: #262e32;
  opacity: .9
}
@media (max-width: 1024px) {
  .swiper-box {
    margin: 0 auto;
    width:100%;
  }
  .view .swiper-container {
    width: 100%;
    height:310px
  }
  .preview .swiper-container {
    height: 90px;
    overflow: hidden;
    margin-left: 35px;
    margin-right: 35px;
  }
  .preview .arrow-left,.preview .arrow-right{
    width: 30px;
  }
}