.scroll-down {
  left: auto;
  right: 45px;
}

.top {
  position: relative;
  margin-top: -80px;
}
.top-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
}
.top-bg:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: #100f12;
  -moz-transition: width 1s;
  -o-transition: width 1s;
  -webkit-transition: width 1s;
  transition: width 1s;
}
.top-bg.show:after {
  width: 0;
}
.top-bg-inner {
  position: absolute;
  width: 100%;
  height: 100%;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.top-wrap {
  position: relative;
  padding: 160px 80px;
}
.top-date {
  font-size: 0.75rem;
}
.top-sort {
  margin-bottom: 10px;
  font-size: 0.875rem;
  color: #cccccc;
}
.top-title {
  font-weight: normal;
  color: #FFF;
}
.top-title .en {
  font-size: 1.75rem;
}
.top-title .cn {
  display: block;
  font-size: 1.5rem;
}
.top-title:after {
  content: "";
  width: 20px;
  height: 1px;
  background: #666;
  display: block;
  margin: 20px 0;
}

.news-content {
  padding: 0 80px;
  max-width: 1000px;
  margin: auto;
}
.news-img {
  margin-top: 20px;
  max-width: 100%;
  opacity: 0;
  -moz-transform: translateY(40px);
  -ms-transform: translateY(40px);
  -webkit-transform: translateY(40px);
  transform: translateY(40px);
  -moz-transition: opacity 0.6s 0.3s, -moz-transform 0.6s 0.3s;
  -o-transition: opacity 0.6s 0.3s, -o-transform 0.6s 0.3s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  -webkit-transition-delay: 0.3s, 0.3s;
  transition: opacity 0.6s 0.3s, transform 0.6s 0.3s;
}
.news-img.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.news-text {
  opacity: 0;
  -moz-transform: translateY(40px);
  -ms-transform: translateY(40px);
  -webkit-transform: translateY(40px);
  transform: translateY(40px);
  -moz-transition: opacity 0.6s 0.3s, -moz-transform 0.6s 0.3s;
  -o-transition: opacity 0.6s 0.3s, -o-transform 0.6s 0.3s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  -webkit-transition-delay: 0.3s, 0.3s;
  transition: opacity 0.6s 0.3s, transform 0.6s 0.3s;
}
.news-text.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.news-back {
  position: relative;
  width: fit-content;
  margin: 60px auto 0;
  font-size: 0.75rem;
  letter-spacing: 5px;
  opacity: 0;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.news-back.show {
  opacity: 1;
}
.news-back a {
  display: block;
  padding: 15px 25px 15px 30px;
  border: #333 solid 1px;
  background: rgba(51, 51, 51, 0.3);
  height: 20px;
  line-height: 20px;
}
.news-back a:hover .news-line-t, .news-back a:hover .news-line-b {
  -moz-transition-delay: 0s;
  -o-transition-delay: 0s;
  -webkit-transition-delay: 0s;
  transition-delay: 0s;
  width: 100%;
  padding: 0 1px;
}
.news-back a:hover .news-line-r, .news-back a:hover .news-line-l {
  height: 100%;
  padding: 1px 0;
  -moz-transition-delay: 0.4s;
  -o-transition-delay: 0.4s;
  -webkit-transition-delay: 0.4s;
  transition-delay: 0.4s;
}
.news-line-t, .news-line-r {
  position: absolute;
  background: #FFF;
  top: -1px;
}
.news-line-b, .news-line-l {
  position: absolute;
  background: #FFF;
  bottom: -1px;
}
.news-line-t, .news-line-b {
  -moz-transition: width 0.4s 0.2s;
  -o-transition: width 0.4s 0.2s;
  -webkit-transition: width 0.4s;
  -webkit-transition-delay: 0.2s;
  transition: width 0.4s 0.2s;
}
.news-line-l, .news-line-r {
  -moz-transition: height 0.2s;
  -o-transition: height 0.2s;
  -webkit-transition: height 0.2s;
  transition: height 0.2s;
}
.news-line-t {
  left: -1px;
  width: 0%;
  height: 1px;
}
.news-line-r {
  right: -1px;
  width: 1px;
  height: 0%;
}
.news-line-b {
  right: -1px;
  height: 1px;
  width: 0%;
}
.news-line-l {
  left: -1px;
  width: 1px;
  height: 0%;
}

@media screen and (max-width: 1100px) {
  .top-wrap {
    padding: 160px 80px 80px;
  }
}
@media screen and (max-width: 760px) {
  .top-wrap {
    padding: 120px 25px 80px;
  }

  .news-content {
    padding: 0 25px;
  }
}