img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
section .banner .banner_pic {
  height: 50vh;
}
section .banner .banner_pic .banner_mb {
  display: none;
}
section .advantage {
  margin-top: 3%;
}
section .advantage .about_title {
  text-align: center;
}
section .advantage .about_title h1 {
  display: inline-block;
}
section .advantage .advantage_items {
  margin-top: 2%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
section .advantage .advantage_items .advantage_item {
  padding: 5% 0;
  border-bottom: 0.05rem dashed #dc3025;
}
section .advantage .advantage_items .advantage_item:last-child {
  border-bottom: 0;
}
section .advantage .advantage_items .advantage_item h1 {
  position: relative;
  font-size: 0.9rem;
  font-weight: normal;
  display: inline-block;
  padding-left: 1rem;
}
section .advantage .advantage_items .advantage_item h1::before {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  content: '';
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background-color: #dc3025;
}
section .advantage .advantage_items .advantage_item h1 span {
  color: #dc3025;
}
section .advantage .advantage_items .advantage_item p {
  color: #333;
  margin-top: 2%;
  line-height: 1.6;
}
section .advantage .advantage_items .advantage_item_l {
  width: 38%;
}
section .advantage .advantage_items .advantage_item_c {
  width: 20%;
  margin: 0 2%;
  min-height: 30vh;
}
section .advantage .advantage_items .advantage_item_c img {
  width: 12.5rem;
  height: 12.5rem;
  border-radius: 50%;
  background-color: #ccc;
}
section .advantage .advantage_items .advantage_item_r {
  width: 38%;
  text-align: right;
}
@media only screen and (max-width: 768px) {
  section {
    margin-top: 50px;
    overflow: hidden;
  }
  section .banner .banner_pic {
    height: 30vh;
  }
  section .banner .banner_pic .banner_pc {
    display: none;
  }
  section .banner .banner_pic .banner_mb {
    display: block;
  }
  section .advantage .advantage_items {
    flex-wrap: wrap;
  }
  section .advantage .advantage_items .advantage_item h1 {
    font-size: 16px;
  }
  section .advantage .advantage_items .advantage_item_l {
    width: 100%;
  }
  section .advantage .advantage_items .advantage_item_l .advantage_item:last-child {
    border-bottom: 0.05rem dashed #dc3025;
  }
  section .advantage .advantage_items .advantage_item_c {
    width: 100%;
    margin: 20px auto 0;
  }
  section .advantage .advantage_items .advantage_item_c img {
    width: 100%;
    border-radius: 0;
  }
  section .advantage .advantage_items .advantage_item_r {
    width: 100%;
    text-align: left;
  }
}