/* top banner */

.top_bg {
  background-color: #003c6a;
  /* background-position: center;
  background-size: cover;
  background-repeat: no-repeat; */
  height: 350px;
}

.top_bg {
  background-image: none;
}

.top_bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.top_content {
  /* position: relative; */
  display: block;
  width: 100%;
  /* height: 500px; */
}

.top_des {
  display: block;
  position: absolute;
  width: 100%;
  text-align: center;
  /* left: 10%; */
  /* padding-right: 60px; */
  /* padding-bottom: 20px; */
  bottom: 50%;
}

.top_title {
  /*    display: block;*/
  /*    width: 100%;*/
  font-size: 2.2em;
  font-weight: 600;
  /*    line-height: 65px;*/
  /*    text-shadow: 0 0px 8px rgba(0, 0, 0, 0.8);*/
  color: #003c6a;
  /*    float: left;    */
  /*	margin-bottom: 80px;*/
}
.top_title2 {
  font-size: 32px;
  line-height: 40px;
  margin-top: 10px;
  margin-bottom: 100px;
  font-weight: 400;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.77);
}
.top_title3 {
  font-size: 45px;
  margin-top: 10px;
  font-weight: 400;
  color: #fff;
  text-shadow: none;
}
.top_title3 a {
  color: #0bdafd;
  text-decoration: none;
  font-size: 20px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 850px) {
  .top_bg {
    height: 50vw;
    /* background-size: contain; */
    /* background-position: top; */
  }

  .top_content {
    display: block;
    width: 100%;
    /*		height: 300px;*/
    /*		position: relative;*/
  }
  .top_content_exe {
    height: 150px;
  }
  .top_des {
    /*		width: 100%;*/
    margin: 0 auto;
    padding: 1em;
    background: #003c6a;
    top: 50vw;
    position: inherit;
  }
  .top_title {
    font-size: 1.35em;
    /*		font-weight: 400;*/
    line-height: 24px;
    text-shadow: none;
    color: #fff;
  }
  .top_title2 {
    font-size: 16px !important;
    color: #fff;
    font-weight: 400;
    display: block;
    line-height: 20px;
    margin-bottom: 10px;
  }
  .top_title3 {
    font-size: 16px !important;
    color: #fff;
    font-weight: 400;
    display: block;
    line-height: 20px;
  }
}

.swiper {
  width: 100%;
  height: 350px;
  /* max-width: 1662px; */
}

.swiper-slide {
  cursor: pointer;
}

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

.swiper-button-prev {
  left: 3%;
}

.swiper-button-next {
  right: 3%;
}

.swiper-pagination {
  bottom: 10px !important;
}

.swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  margin: 0 8px !important;
  background-color: rgba(153, 153, 153, 0.6);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 1);
  border-radius: 100%;
  border: 1px solid #fff;
  cursor: pointer;
  transition: 0.3s ease;
}

.swiper-pagination-bullet:hover {
  opacity: 1;
}

.swiper-pagination-bullet-active {
  width: 10px;
  height: 10px;
  background-color: #0397fe;
}

@media (max-width: 850px) {
  .swiper {
    height: calc(50vw + 56px);
  }
  .swiper-button-prev,
  .swiper-button-next {
    display: none;
  }

  .swiper-pagination {
    bottom: 60px !important;
  }

  .swiper-pagination-bullet {
    width: 15px;
    height: 15px;
    margin: 0 8px !important;
    box-shadow: none;
    background-color: #999;
    opacity: 1;
  }
  .swiper-pagination-bullet-active {
    background-color: #0397fe;
  }
}