.swiper-box {
  margin: 0px auto;
  width: 450px
}
.pic_page {
  position: absolute;
  z-index: 100;
  right: 20px;
  bottom: 20px;
  font-size: 18px;
  color: #FF5909;
  font-weight: bold
}
.swiper-container img {
  display: block;
  width: 100%;
  height: 100%
}

.view {
  position: relative
}
.view .swiper-container {
  width: 100%;
  height: 450px
}
.view .arrow-left {
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -25px;
  width: 28px;
  height: 50px;
  background: url('../images/arrow_l.png') no-repeat center;
  background-size: 100%;
  z-index: 10
}
.view .arrow-right {
  position: absolute;
  right: 0;
  top: 50%;
  margin-top: -25px;
  width: 28px;
  height: 50px;
  background: url('../images/arrow_r.png') no-repeat center;
  z-index: 10
}
.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: 70px;
  height: 70px;
  cursor: pointer;
  overflow: hidden
}
.preview .swiper-slide img {
  width: 65px;
  height: 65px;
  margin: 0 auto;
  border: 2px solid #333
}
.preview .arrow-left {
  background-size: 100% 100%;
  position: absolute;
  left: 0px;
  top: 10px;
  margin-top: -9px;
  width: 44px;
  height: 68px;
  background: #c1c0c0;
  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%;
  margin-top: 25px
}
.preview .arrow-right {
  position: absolute;
  right: 0px;
  top: 10px;
  margin-top: -9px;
  width: 44px;
  height: 68px;
  background: #c1c0c0;
  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: 25px
}
.preview .active-nav img {
  padding: 0;
  border-color: #25ba45;
  opacity: .9
}