@charset "utf-8";
/* CSS Document */
html,
body {
  margin: 0;
  padding: 0;
}
.page_pc {
  width: 100%;
  max-width: 1920px;
  min-width: 1200px;
  margin: 0 auto;
  position: relative;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  line-height: 24px;
  color: #333;
}
.page_pc img {
  display: block;
  max-width: 100%;
}
.page_pc .centBox {
  width: 100%;
}
.page_pc .centBox::before {
  content:"";
  display:table;
}

.nav-wrap {
  position: sticky;
  position: -webkit-sticky;
  top: 64px;
  width: 100%;
  margin-top: 30px;
  padding: 10px 0;
  background-color: #fff;
}
.nav-wrap .nav-inner {
  display: flex;
  justify-content: space-between;
  width: 84.81%;
  height: 100%;
  margin: 0 auto;
}
.nav-wrap .nav-item {
  width: 11.91%;
}
.nav-wrap .nav-item .hover {
  display: none;
}
.nav-wrap .nav-item img {
  width: 100%;
}
.nav-item.active .hover {
  display: block;
}
.nav-item.active .normal {
  display: none;
}

.video_container_1{
  position: absolute;
  width: 75vw;
  height: 46.875vw;
  max-width: 1440px;
  max-height: 900px;
  left: 0;
  right: 0;
  top: 62.1%;
  margin: 0 auto;
}
.video_container_2{
  position: absolute;
  width: 75vw;
  height: 46.875vw;
  max-width: 1440px;
  max-height: 900px;
  left: 0;
  right: 0;
  top: 74.5%;
  margin: 0 auto;
}
.video_container_3{
  position: absolute;
  width: 75vw;
  height: 46.875vw;
  max-width: 1440px;
  max-height: 900px;
  left: 0;
  right: 0;
  top: 87.5%;
  margin: 0 auto;
}
.video{
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
}
.video_icon{position: absolute;width: 6vw;height: 6vw;left: 45%;top: 43%;cursor: pointer;}
.video_img{width: 100%;}
.hide{display: none;}

.recommand-wrap {
  display: flex;
  justify-content: space-between;
  position: absolute;
  left: 0;
  right: 0;
  top: 96.15%;
  width: 56.25%;
  height: 3.1%;
  margin: 0 auto;
}
.recommand-wrap a {
  width: 48.05%;
  height: 100%;
}