.index_banner{
  position: fixed;
  top: 0;
  left: 0;
  overflow: hidden;
  height: calc(100vh -100px) ;
  width: 100%;
  margin-top: 40px;
}
.banner {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.banner .swiper-container .swiper-wrapper .swiper-slide {
  overflow: hidden;
  height: 0;
  padding-bottom: 45%;
  position: relative;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .mask {
  width: 100%;
  height: 100%;
  background-image: url(../images/banner_bg.png);
  background-repeat: repeat;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
}
.banner .swiper-container .swiper-wrapper .swiper-slide img {
  width: 100%;
}
.banner .swiper-container .swiper-wrapper .swiper-slide video {
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  z-index: 2;
  height: 100% !important;
  object-fit: cover;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text {
  position: absolute;
  width: 90%;
  top: 50%;
  left: 50%;
  z-index: 4;
  text-align: left;
  transform: translate(-50%,-50%);
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text a {
  font-size: 16px;
  color: #fff;
  position: relative;
  opacity: 0;
  font-weight: 100;
  text-shadow: 4px 8px 10px rgba(0, 0, 0, 0.14);
  transform: translateY(2rem);
  -ms-transform: translateY(2rem);
  -webkit-transform: translateY(2rem);
  transition: all 1s ease 0.5s;
  -webkit-transition: all 1s ease 0.5s;
  -moz-transition: all 1s ease 0.5s;
  -ms-transition: all 1s ease 0.5s;
  display: block;
  margin-top: 3rem;
  width: 10rem;
  border-radius: 5rem;
  border: 3px solid #fff;
  text-align: center;
  box-sizing: border-box;
  padding: 0.6rem 0;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text a em{
  margin-left: 10px;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text i {
  display: block;
  text-align: left;
  font-size: 18px;
  color: #fff;
  position: relative;
  opacity: 0;
  font-weight: 100;
  letter-spacing: 1.5px;
  text-shadow: 4px 8px 10px rgba(0, 0, 0, 0.14);
  transform: translateY(2rem);
  -ms-transform: translateY(2rem);
  -webkit-transform: translateY(2rem);
  transition: all 1s ease 0.5s;
  -webkit-transition: all 1s ease 0.5s;
  -moz-transition: all 1s ease 0.5s;
  -ms-transition: all 1s ease 0.5s;
  display: inline-block;
  margin-top: 0.2rem;
  
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text h2 {
  font-weight: normal;
  text-align: left;
  font-size: 48px;
  color: #fff;
  /* font-family: "lianwei"; */
  position: relative;
  opacity: 0;
  font-weight: 700;
  width: 80%;
  text-shadow: 2px 4px 5px rgba(0, 0, 0, 0.14);
  transform: translateY(2rem);
  -ms-transform: translateY(2rem);
  -webkit-transform: translateY(2rem);
  transition: all 1s ease 1s;
  -webkit-transition: all 1s ease 1s;
  -moz-transition: all 1s ease 1s;
  -ms-transition: all 1s ease 1s;
}

.banner .swiper-container .swiper-wrapper .swiper-slide .text .b_icon{
  margin-top: 1.2rem;
  position: relative;
  transform: translateY(2rem);
  -ms-transform: translateY(2rem);
  -webkit-transform: translateY(2rem);
  transition: all 1s ease 1s;
  -webkit-transition: all 1s ease 1s;
  -moz-transition: all 1s ease 1s;
  -ms-transition: all 1s ease 1s;
  opacity: 0;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text.active .b_icon {
  transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  opacity: 1;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text .b_icon div{
  width: 24px;
  height: 24px;
  border-radius: 12px;
  position: absolute;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text .b_icon div.b_i_item1{
  background-color: rgba(255,255,255,0.8);
  animation: changePosition 2s ease infinite;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text .b_icon div.b_i_item2{
  background-color: rgba(224,32,40,0.8);
  animation: changePosition2 2s ease infinite;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text.active a {
  transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  opacity: 1;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text.active i {
  transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  opacity: 0.6;
}
.banner .swiper-container .swiper-wrapper .swiper-slide .text.active h2 {
  transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  opacity: 1;
}
.banner .swiper-container .swiper-button-prev {

  height: 1.7rem;
  z-index: 9;
  margin-top: 0;
  right: 18.5%;
  bottom: 3rem;
  top:auto;
  left: auto;

  transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
}
.banner .swiper-container .swiper-button-next {

  height: 1.7rem;
  z-index: 9;
  margin-top: 0;
  right: 12.5%;
  bottom: 3rem;
  top:auto;
  transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
}
.banner .swiper-container .swiper-button-next:hover {
  right: 12%;
}
.banner .swiper-container .swiper-button-prev:hover {
  right: 19%;
}
.banner .swiper-container .swiper-button-next i{
  font-size: 12px;
  color: #fff;
}
.banner .swiper-container .swiper-button-next p{
  font-size: 18px;
  color: #fff;
  font-weight: 100;
  padding-right: 20px;
}
.banner .swiper-container .swiper-button-prev i{
  font-size: 12px;
  color: #fff;
  transform: rotate(180deg);
}
.banner .swiper-container .swiper-button-prev p{
  font-size: 18px;
  color: #fff;
  font-weight: 100;
  padding-left: 20px;
}
.banner .swiper-container .swiper-button-prev:after {
  display: none;
}
.banner .swiper-container .swiper-button-next:after {
  display: none;
}

.banner .swiper-container .pagination-all {
  position: absolute;
  bottom: 3rem;
  width: 90%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 8;
  text-align: left;
}


.banner .swiper-container .pagination-all .sign span.play {
  left: 1px;
}
.banner .swiper-container .pagination-all .sign span.pause {
  display: none;
}
.banner .swiper-container .pagination-all .sign.active span.play {
  display: none;
}
.banner .swiper-container .pagination-all .sign.active span.pause {
  display: block;
}
.banner .swiper-container .swiper-pagination {
  position: relative;
  display: inline-block;
  text-align: left;
}
.banner .swiper-container .swiper-pagination .swiper-pagination-bullet {
  width: 2rem;
  height: 2px;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.4);
  opacity: 1;
  margin: 0 0.2rem;
  position: relative;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}



.banner .swiper-container .swiper-pagination .swiper-pagination-bullet-active {
  background: #fff;
  height: 3px;
}
.banner .slide-next {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  cursor: pointer;
}
.banner .slide-next p {
  font-size: 13px;
  color: #fff;
  opacity: 0.5;
}
.banner .slide-next .mouse {
  width: 24px;
  margin: 20px auto 0;
  height: 40px;
  background-image: url(../images/mouse_img.png);
  position: relative;
  animation: upDown 2s ease infinite;
}
.banner .slide-next .mouse i{
  width: 3px;
  height: 8px;
  background-color: #fff;
  position: absolute;
  left: 50%;
  top: 10px;
  transform: translateX(-50%);
}
@keyframes upDown {
  0%{
    top:0px;
  }
  50%{
    top: 20px;
  }
  100%{
    top:0px;
  }
}
@keyframes changePosition {
  0%{
    left:0;
    z-index: 0;

  }
  25%{
    left:8px;
    z-index: 0;

  }
  50%{
    left:16px;
    z-index: 1;

  }
  75%{
    left:8px;
    z-index: 1;

  }
  100%{
    left:0;
    z-index: 1;
  }
}
@keyframes changePosition2 {
  0%{
    left:16px;
    z-index: 1;

  }
  25%{
    left:8px;
    z-index: 0;

  }
  50%{
    left:0px;
    z-index: 0;

  }
  75%{
    left:8px;
    z-index: 0;

  }
  100%{
    left:16px;
    z-index: 1;

  }
}

/*# sourceMappingURL=banner_video.css.map */

@media screen and (max-width:1440px) {
  .index_banner {
    margin-top: 32px;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide .text h2{
    font-size: 2.2rem;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide .text p{
    font-size: 1rem;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide .text i{
    font-size: 16px;
    letter-spacing: 0;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide .text a{
    border: 2px solid #fff;
  }
  .banner .swiper-container .swiper-button-prev p{
    font-size: 16px;
  }
  .banner .swiper-container .swiper-button-next p{
    font-size: 16px;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide{
    padding-bottom: 56%;
  }

}

@media screen and (max-width:992px) {
  .index_banner{
    margin-top: 34px;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide .text h2{
    font-size: 0.9rem;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide .text.active i{
    opacity: 1;
    font-size: 12px;
  }
  .banner .swiper-container .swiper-wrapper .swiper-slide .text.active a{
    display: none;
  }
  .banner .swiper-container .swiper-button-next{
    display: none;
  }
  .banner .swiper-container .swiper-button-prev{
    display: none
  }
  .banner .slide-next{
    display: none;
  }
  .banner .swiper-container .pagination-all{
    display: none;
  }
}