.banner {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.banner .swiper {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.banner .bannerpic {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.banner .banner_video {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}
.banner .banner_video::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgb(0, 0, 0), rgba(17, 50, 121, 0) 80%);
}

.banner .P_link_img {
  display: block;
  position: relative;
  overflow: hidden;
  height: 100%;
  width: 100%;
  transition: all ease 2s;
  transform: scale(1.1);
}

.banner .swiper-slide-active .P_link_img {
  transform: scale(1);
}

.banner .swiper-button-next,
.banner .swiper-button-prev {
  color: #fff;
}

.banner .swiper-button-next {
  right: 12px;
}

.banner .swiper-button-prev {
  left: 12px;
}

.banner .swiper-pagination-bullet::before {
  color: rgb(255, 255, 255);
  position: absolute;
  top: -30px;
  left: 0%;
  display: block;
  width: 100%;
  text-align: left;
  transition: all 0.5s;
}
.banner .swiper-pagination-bullet:nth-of-type(1)::before {
  content: "企业愿景";
}
.banner .swiper-pagination-bullet:nth-of-type(2)::before {
  content: "产品体系";
}
.banner .swiper-pagination-bullet:nth-of-type(3)::before {
  content: "技术实力";
}

.banner .swiper-pagination-bullet-active::before {
  font-size: 18px;
  top: -35px;
}

.banner .swiper-pagination-bullet {
  width: 120px;
  height: 2px;
  opacity: 0.8;
  position: relative;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.4);
  transition: 0.3s;
  margin: 20px 3px !important;
}

.banner .swiper-pagination-bullet-active {
  height: 2px;
  width: 120px;
  background-color: rgb(255, 255, 255);
  opacity: 1;
  border-radius: 0;
  transition: 0.3s;
}

.swiper-pagination-clickable .swiper-pagination-bullet {
  cursor: pointer;
}

.banner .swiper-slide-active {
  z-index: 11;
}

.banner .swiper-pagination {
  width: 600px;
  left: 10%;
  right: auto;
  bottom: 60px;
  text-align: left;
}

.banner .bannertxt {
  position: absolute;
  top: 40%;
  bottom: 0px;
  left: 10%;
  right: 0px;
  z-index: 22;
}
.banner .bannertxt .info {
  color: #fff;
  font-size: 40px;
  font-weight: 300;
  line-height: 1.5;
  text-shadow: 3px 3px 3px rgba(0, 0, 0, 0.2);
}
.banner .bannertxt .info02 {
  color: #fff;
  font-weight: 300;
  margin-top: 20px;
  font-size: 30px;
  line-height: 1.5;
  text-shadow: 3px 3px 3px rgba(0, 0, 0, 0.2);
}
.banner .bannertxt .line {
  width: 50px;
  height: 3px;
  background: #fff;
  margin-bottom: 20px;
  display: none;
}
.banner .bannertxt .infomore {
  margin-top: 40px;
}

@media only screen and (max-width: 767px) {
  .banner {
    height: 400px;
  }

  .banner .bannertxt .info {
    font-size: 24px;
  }

  .banner .bannertxt .info02 {
    font-size: 16px;
  }

  .banner .swiper-button-next,
  .banner .swiper-button-prev {
    display: none;
  }

  .banner .swiper-slide {
    position: relative;
  }

  .banner .bannertxt {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    top: 0;
    bottom: auto;
    left: 0;
    right: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 24px 40px;
  }

  .banner .swiper-pagination {
    box-sizing: border-box;
    width: 100%;
    left: 0;
    bottom: 8px;
    display: flex;
    justify-content: center;
    gap: 12px;

    padding: 0 20px;
  }
}