.banner {
  position: relative;
}
.indexbg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: url(../images/cover.png) repeat;
  opacity: 0.8;
}
.banner .owl-wrapper .owl-item:nth-child(2) {
  background: url(../images/banner1.jpg) no-repeat top center;
  background-size: cover;
}
.banner .owl-wrapper .owl-item:nth-child(3) {
  background: url(../images/banner2.jpg) no-repeat top center;
  background-size: cover;
}
.banner .owl-carousel {
  height: 100vh;
}
.banner .owl-wrapper,
.banner .owl-carousel .owl-wrapper-outer,
.banner .owl-item {
  height: 100%;
}
.banner .owl-pagination {
  position: absolute;
  right: 100px;
  top: 40%;
}
.banner .owl-page {
  margin-bottom: 20px;
}
.banner .owl-page span {
  text-indent: 2000px;
  display: block;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 10px;
  margin: 8px auto;
}
.banner .owl-page.active {
  width: 26px;
  height: 26px;
  border: 1px solid #fff;
  border-radius: 26px;
}
.banner .owl-prev {
  background: url(../images/bannerl.png) no-repeat left center;
  width: 30px;
  height: 30px;
  position: absolute;
  left: 12.5%;
  top: 68%;
}
.banner .owl-number {
  text-align: center;
  line-height: 110px;
  font-size: 14px;
  font-family: Arial;
  position: absolute;
  left: 100px;
  top: 50%;
  color: #fff;
  transform: rotate(90deg);
  -ms-transform: rotate(90deg); /* IE 9 */
  -moz-transform: rotate(90deg); /* Firefox */
  -webkit-transform: rotate(90deg); /* Safari 和 Chrome */
  -o-transform: rotate(90deg); /* Opera */
}
.banner .owl-number span:before {
  content: "0";
}
.banner .owl-number span {
  font-size: 14px;
  font-family: Arial;
  color: #fff;
}
.banner .owl-next {
  background: url(../images/bannerr.png) no-repeat left center;
  width: 30px;
  height: 30px;
  position: absolute;
  left: 15%;
  top: 68%;
}
.banner .owl-item img {
  width: 100%;
  height: 100%;
}
.item .cont {
  position: absolute;
  top: 40%;
  padding-left: 12.5%;
  z-index: 2;
}
.item p.p1 {
  color: #fff;
  line-height: 54px;
  font-size: 54px;
  font-weight: bold;
  text-shadow: 1px 1px 1px #333;
}
.item p.p2 {
  color: #fff;
  line-height: 50px;
  font-size: 24px;
  font-weight: 100;
  text-shadow: 1px 1px 1px #333;
}
.item p.p3 {
  margin-top: 30px;
  color: #fff;
  line-height: 50px;
  font-size: 24px;
  font-weight: 700;
  text-shadow: 1px 1px 1px #333;
}
.banner .mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: url(../images/cover.png) repeat;
}
/*shubiao*/
.shubiao-index {
  position: absolute;
  bottom: 100px;
  left: 50%;
  width: 60px;
  margin-left: -30px;
  z-index: 9999;
}
.shubiao {
  width: 14px;
  margin: 40px auto 0;
  position: relative;
}
.shubiao-ncon {
  margin-top: 70px;
}
.shubiao_line {
  width: 1px;
  height: 60px;
  background: #fff;
  margin: 10px auto;
}
.shubiao_pinyin {
  font-size: 14px;
  font-family: Arial;
  text-align: center;
  color: #fff;
  margin-top: 5px;
}
#shubiao {
  width: 14px;
  margin: 0 auto;
}
.mouse {
  position: relative;
  width: 14px;
  height: 22px;
  border-radius: 30px;
  border: 2px solid rgba(255, 255, 255, 0.8);
}
.mouse:after {
  content: "";
  position: absolute;
  top: 2px;
  left: 50%;
  -webkit-transform: translate(-50%, 0);
  transform: translate(-50%, 0);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #fff;
  -webkit-animation: scroll 1s infinite alternate;
  animation: scroll 1s infinite alternate;
}

@-webkit-keyframes scroll {
  100% {
    -webkit-transform: translate(-50%, 8px);
    transform: translate(-50%, 8px);
  }
}
@keyframes scroll {
  100% {
    -webkit-transform: translate(-50%, 8px);
    transform: translate(-50%, 8px);
  }
}

@media screen and (max-width: 1440px) {
  .item p.p1 {
    font-size: 44px;
    line-height: 48px;
  }
  .item p.p2 {
    font-size: 18px;
  }
}

@media (max-width: 991px) {
  .item .cont {
    top: 45%;
  }
  .banner .owl-pagination {
    right: 40px;
  }
  .owl-next {
    display: none;
  }
  .owl-prev {
    display: none;
  }
  .item p.p2 {
    display: none;
  }
  .item p.p1 {
    font-size: 18px;
  }
  .item .cont {
    top: 40%;
  }
  .item p.p3 {
    margin-top: 10px;
    line-height: 20px;
    font-size: 15px;
  }
}
@media (max-width: 768px) {
  .shubiao-ncon {
    margin-top: 10px;
  }
  .npronr_list .nproimg {
    height: 230px;
  }
  .nabout_menu li > a {
    padding: 0 13px;
  }
  .cont {
    width: 83.33333333%;
    margin: 0 auto;
  }

  .item p.p1 {
    font-size: 40px;
  }
  .item p.p2 {
    font-size: 20px;
  }
}
@media (max-width: 767px) {
  .owl-carousel .owl-wrapper-outer {
    width: 100%;
  }
}
@media (max-width: 640px) {
  .banner .owl-carousel {
    height: 300px;
  }
  .shubiao-index {
    display: none;
  }

  .item p.p1 {
    font-size: 30px;
    line-height: 40px;
  }
  .item p.p2 {
    font-size: 20px;
    line-height: 35px;
  }
  #owl-demo .owl-wrapper .owl-item .p_video {
    display: none;
  }
  #owl-demo .owl-wrapper .owl-item:first-child {
    background: url(/images/banner.jpg) no-repeat top center;
    background-size: cover;
  }
}

@media (max-width: 500px) {
  .banner .owl-number {
    left: 20px;
  }
  .item .cont {
    top: 40%;
  }
  .banner .owl-pagination {
    right: 20px;
  }
  .item p.p1 {
    font-size: 20px;
    line-height: 30px;
  }
  .item p.p2 {
    font-size: 16px;
    line-height: 30px;
  }
}
@media (max-width: 414px) {
  .banner .owl-prev {
    left: 140px;
  }
  .banner .owl-next {
    left: 180px;
  }
  .banner .owl-number {
    left: 5px;
  }
  .banner .owl-pagination {
    right: 10px;
  }
}
@media (max-width: 375px) {
  .item p.p1 {
    font-size: 20px;
    line-height: 30px;
  }
  .item p.p2 {
    font-size: 12px;
    line-height: 20px;
  }
}
@media (max-width: 320px) {
  .banner .owl-carousel {
    height: 240px;
  }
}
@media (min-width: 1920px) {
  .p_video {
    width: 100%;
  }
}
video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}