.line {
  height: 8px;
}

.line img {
  width: 100%;
  height: 100%;
  vertical-align: top;
}


.title-wrap {
  text-align: center;
}

.title-wrap .title {
  color: #333;
  font-size: 30px;
  padding-top: 57px;
}

.title-wrap .title-desc {
  margin: 20px 0;
  color: #999;
  font-size: 14px;
}

.title-wrap .title-desc span {
  margin-right: 20px;
}

.desc {
  color: #333;
  line-height: 2;
  padding-bottom: 100px;
}


/* 热点视频——详细 */
.desc-video {
  padding: 85px 141px;
}

.desc-video video {
  background-color: rgb(0, 0, 0);
}

.desc-video video source {
  width: 798px;
  height: 510px;
}


/* 活动图片——详细 */
.desc-img {
  overflow: hidden;
  padding: 60px 20px;
}

.desc-img .big-img-wrap {
  width: 800px;
  margin: 0 auto;
}

.desc-img .swiper-container-1 {
  position: relative;
  height: 600px;
}

.desc-img .big-img-list .big-img__item {
  width: 800px;
  height: 600px;
}

.big-img-list .big-img__item img {
  width: 100%;
  height: 100%;
}

.big-img-wrap .swiper-button-prev,
.big-img-wrap .swiper-button-next {
  position: absolute;
  top: 50%;
  width: 48px;
  height: 48px;
}
.big-img-wrap .swiper-button-prev:after,
.big-img-wrap .swiper-button-next:after {
  content: '';
}

.big-img-wrap .swiper-button-prev {
  left: 0;
  background-image: url('../icon/detail-img-prev.png');
  cursor: pointer;
}
.big-img-wrap .swiper-button-next {
  right: 0;
  background-image: url('../icon/detail-img-next.png');
  cursor: pointer;
}

.big-img-wrap .swiper-button-prev.swiper-button-disabled {
  background-image: url('../icon/detail-img-prev-dis.png');
}
.big-img-wrap .swiper-button-next.swiper-button-disabled {
  background-image: url('../icon/detail-img-next-dis.png');
}

.big-img-wrap .swiper-button-prev-disabled {
  background-image: url('../icon/detail-img-prev-dis.png');
  filter: progid:DXImageTransform.Microsoft.Alpha(opacity=35);
  cursor: default;
}
.big-img-wrap .swiper-button-next-disabled {
  background-image: url('../icon/detail-img-next-dis.png');
  filter: progid:DXImageTransform.Microsoft.Alpha(opacity=35);
  cursor: default;
}


.desc-img .small-img-wrap {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.small-img-prev, .small-img-next {
  position: absolute;
  top: 48px;
  width: 26px;
  height: 26px;
  background-repeat: no-repeats;
  cursor: pointer;
}

.small-img-prev {
  left: 90px;
  background-image: url('../icon/swiper-prev.png');
}
.small-img-next {
  right: 90px;
  background-image: url('../icon/swiper-next.png');
}

.small-img-wrap .swiper-container {
  width: 800px;
  height: 90px;
  padding: 16px 0;
}

.small-img-list .small-img__item {
  width: 130px;
  height: 90px;
  /* margin-right: 4px; */
}

.small-img-list .small-img__item img {
  width: 130px;
  height: 100%;
}

.small-img-list .small-img__item--active {
  position: relative;
}

.small-img-list .small-img__item--active:after {
  position: absolute;
  top: -6px;
  left: 0;
  content: '';
  width: 130px;
  height: 96px;
  background-image: url('../img/detail-img-bj.png');
  background-repeat: no-repeat;
  background-size: 100% 100%;
}


/* pdf——详细 */
.desc-pdf {
  position: relative;
  padding: 50px 0 100px 0;
}

.desc-pdf .swiper-container-1 {
  max-height: 1300px;
  margin: 0 auto;
}

.desc-pdf .swiper-slide {
  max-height: 1300px;
}

.desc-pdf .swiper-slide img {
  width: 100%;
  height: 100%;
}

.desc-pdf .swiper-button-prev,
.desc-pdf .swiper-button-next {
  position: absolute;
  top: 50%;
  width: 48px;
  height: 60px;
  margin-top: 0;
  background-color: #000;
  filter: progid:DXImageTransform.Microsoft.Alpha(opacity=50);
}
.desc-pdf .swiper-button-prev:after,
.desc-pdf .swiper-button-next:after {
  content: '';
}

.desc-pdf .swiper-button-prev {
  left: 0;
  background-image: url('../icon/detail-img-prev.png');
  background-repeat: no-repeat;
  background-position: center center;
  cursor: pointer;
}
.desc-pdf .swiper-button-next {
  right: 0;
  background-image: url('../icon/detail-img-next.png');
  background-repeat: no-repeat;
  background-position: center center;
  cursor: pointer;
}

.desc-pdf .swiper-button-prev.swiper-button-disabled {
  background-image: url('../icon/detail-img-prev-dis.png');
}
.desc-pdf .swiper-button-next.swiper-button-disabled {
  background-image: url('../icon/detail-img-next-dis.png');
}

.desc-pdf .swiper-button-prev-disabled {
  background-image: url('../icon/detail-img-prev-dis.png');
  cursor: default;
  filter: progid:DXImageTransform.Microsoft.Alpha(opacity=20);
}
.desc-pdf .swiper-button-next-disabled {
  background-image: url('../icon/detail-img-next-dis.png');
  cursor: default;
  filter: progid:DXImageTransform.Microsoft.Alpha(opacity=20);
}