.logotype {
  width: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 100px;
}
.logotype_img {
  width: 512px;
  height: 338px;
  margin-right: 56px;
}
.logotype_img img {
  width: 100%;
  height: 100%;
}
.logotype_content {
  width: 582px;
  height: 100%;
  line-height: 30px;
  font-size: 18px;
}
.logotype_title {
  font-size: 22px;
  line-height: 22px;
  margin-bottom: 30px;
}
.logotype_paragraph {
  width: 100%;
  display: flex;
  align-items: flex-start;
  line-height: 30px;
}
.logotype_paragraph div {
  margin-right: 5px;
}
.main_content {
  width: 100%;
  height: 670px;
  background: url("/assets/imgs/aboutUs/changwjBg.png") no-repeat;
  background-size: 100% 100%;
  box-sizing: border-box;
  padding-top: 90px;
}
.main_content_title {
  height: 36px;
  font-size: 37px;
  color: #186daa;
  line-height: 36px;
  margin-bottom: 25px;
}
.main_content > p {
  width: 142px;
  height: 3px;
  background-color: #ec9f67;
  margin-bottom: 71px;
}
.main_content_list {
  width: 1200px;
}
.main_content_item {
  width: 180px;
  height: 160px;
  line-height: 30px;
  box-sizing: border-box;
  background-color: #186daa;
  border-bottom: 5px solid #dbb49b;
  margin-left: 24px;
  float: right;
  position: relative;
  top: 0;
  transition: all 0.3s ease;
}
.main_content_item:hover {
  top: -12px;
}
.main_content_item.special {
  height: 340px;
  line-height: 50px;
}
.main_content_item:nth-child(6),
.main_content_item:nth-child(11) {
  margin-left: 0;
}
.main_content_item:nth-child(2),
.main_content_item:nth-child(3),
.main_content_item:nth-child(4),
.main_content_item:nth-child(5),
.main_content_item:nth-child(6) {
  margin-bottom: 20px;
}
.main_content_item a {
  height: 100%;
  border: 3px solid #ddf5fc;
  padding: 30px 20px 0;
  box-sizing: border-box;
  color: #ddf5fc;
}
.main_content_item p {
  font-size: 15px;
}
.main_content_item_title {
  font-size: 24px;
  line-height: 40px;
}
.core p:last-child {
  line-height: 16px;
}
.quality {
  line-height: 22px;
}
@media (max-width: 1220px) {
  .logotype,
  .main_content_list {
    width: 800px;
  }
  .main_content_item:nth-child(4),
  .main_content_item:nth-child(7) {
    margin-left: 0;
  }
  .main_content_item:nth-child(6) {
    margin-left: 24px;
  }
  .main_content {
    height: 700px;
    padding-top: 50px;
  }
  .main_content > p {
    margin-bottom: 30px;
  }
}
@media (max-width: 819px) {
  .logotype {
    width: 100%;
    flex-direction: column;
    margin-bottom: 50px;
  }
  .logotype_img {
    width: 100%;
    height: auto;
    margin-right: 0;
    margin-bottom: 30px;
  }
  .logotype_content {
    width: 100%;
    height: auto;
  }
  .logotype_paragraph {
    line-height: 22px;
  }
  .main_content {
    padding-top: 30px;
    height: auto;
  }
  .main_content_list {
    width: 100%;
  }
  .main_content_item,
  .main_content_item:nth-child(4),
  .main_content_item:nth-child(6) {
    width: 49%;
    margin-left: 2%;
    margin-bottom: 20px;
  }
  .main_content_item:nth-child(2),
  .main_content_item:nth-child(3),
  .main_content_item:nth-child(5),
  .main_content_item:nth-child(7),
  .main_content_item:nth-child(9) {
    margin-left: 0;
  }
}
@media (max-width: 650px) {
  .main {
    padding-left: 0;
    padding-right: 0;
  }
  .logotype {
    width: calc(100% - 30px);
  }
  .main_content {
    padding-left: 15px;
    padding-right: 15px;
    background: #b1d8f2;
  }
  .main_content_item:hover {
    top: 0;
  }
}<!--ºÄʱ1755554768.0168Ãë-->