html,
body {
  margin: 0;
  height: 100%;
}

body {
  min-width: 1200px;
}

.m-banner {
  height: 100%;
  position: relative;
}

.m-banner .logo {
  width: 181px;
  height: 39px;
  background-image: url('../images/logo.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100%;
  position: absolute;
  top: 46px;
  left: 18.8%;
  z-index: 10;
}

.m-banner .swiper-slide {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  display: flex;
  flex-direction: column;
}

.m-banner .item1 {
  background-image: url('../images/lun_01.jpg');
}

.m-banner .item2 {
  background-image: url('../images/lun_02.jpg');
}

.m-banner .item3 {
  background-image: url('../images/lun_03.jpg');
}

.m-banner .item4 {
  background-image: url('../images/lun_04.jpg');
}


.m-banner .swiper-slide .content {
  width: 28.07%;
  max-width: 539px;
  margin: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.m-banner .content .keepContent{
  padding-top: 15.5844%;
  height: 0;
}

.m-banner .item1 .logo_color {
  margin: auto;
  /* margin-top: -15.5844%; */
  padding-top: 41.74%;
  width: 59.47%;
  height: 0;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
}
.m-banner .swiper-slide .title {
  padding-top: 26.15%;
  width: 90%;
  height: 0;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
}

.m-banner .swiper-slide .code {
  margin-top: 35px;
  width: 35.62%
}

.m-banner .swiper-slide .code_text {
  margin-top: 14px;
  font-size: 22px;
  font-family: PingFangSC-Medium;
  font-weight: 500;
  color: rgba(255, 255, 255, 1);
  line-height: 30px;
}

.m-banner .swiper-slide .keepui{
  height: 60px;
}

.m-banner .item1 .logo_color {
  background-image: url('../images/logo_color.png');
}

.m-banner .item2 .title {
  background-image: url('../images/title_02.png');
}

.m-banner .item3 .title {
  background-image: url('../images/title_03.png');
}

.m-banner .item4 .title {
  background-image: url('../images/title_04.png');
}

.m-banner .item5 .title {
  background-image: url('../images/title_05.png');
}

.m-banner .item6 .title {
  background-image: url('../images/title_06.png');
}


.m-banner .desc {
  font-size: 12px;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  line-height: 24px;
  text-align: center;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  z-index: 13;
}

.m-banner .desc .line {
  margin: 0
}

.m-banner .desc a {
  color: rgba(255, 255, 255, 1);
}

.swiper-pagination {
  z-index: 20;
}

.swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
  width: auto;
  left: auto;
  right: 20px;
  bottom: 14px;
}

.swiper-pagination-bullet {
  background-color: rgba(255, 255, 255, 0.5);
}

.swiper-pagination-bullet-active {
  background-color: white;
}

/* .m-banner .desc .line:not(:last-child) {
  margin-bottom: 6px;
} */

@media screen and (max-width: 1200px) {
  .m-banner .desc {
    font-size: 12px;
  }
  .m-banner .swiper-slide .code_text{
    font-size: 18px;
  }
}

/* 高清显示屏(设备像素比例大于等于2)使用2倍图  */
@media only screen and (-webkit-min-device-pixel-ratio:2) {
  .m-banner .logo {
    background-image: url('../images/logo@2x.png');
  }

  /* .m-banner .item1 {
    background-image: url('../images/lun_01@2x.jpg');
  } */

  .m-banner .item2 {
    background-image: url('../images/lun_02@2x.png');
  }

  .m-banner .item3 {
    background-image: url('../images/lun_03@2x.png');
  }

  .m-banner .item4 {
    background-image: url('../images/lun_04@2x.png');
  }

  .m-banner .item5 {
    background-image: url('../images/lun_05@2x.png');
  }

  .m-banner .item6 {
    background-image: url('../images/lun_06@2x.png');
  }

  .m-banner .item2 .title {
    background-image: url('../images/title_02@2x.png');
  }

  .m-banner .item3 .title {
    background-image: url('../images/title_03@2x.png');
  }

  .m-banner .item4 .title {
    background-image: url('../images/title_04@2x.png');
  }

  .m-banner .item5 .title {
    background-image: url('../images/title_05@2x.png');
  }

  .m-banner .item6 .title {
    background-image: url('../images/title_06@2x.png');
  }
}

.link_beian {
  text-decoration: none;
}
.link_beian:hover {
  cursor: pointer;
  text-decoration: underline;
}