.main {
  color: #186daa;
}
.main_content {
  width: 1200px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.main_content_item {
  width: 590px;
  height: 190px;
  box-sizing: border-box;
  background-color: #ffffff;
  margin-right: 20px;
  margin-bottom: 34px;
}
.main_content_item:nth-child(even) {
  margin-right: 0;
}
.main_item_img {
  width: 169px;
  height: 100%;
  float: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.main_item_img img {
  margin: 0 auto;
}
.main_item_right {
  height: 100%;
  padding-top: 40px;
  padding-right: 74px;
  box-sizing: border-box;
  position: relative;
}
.main_item_tit {
  font-size: 22px;
  line-height: 24px;
  margin-bottom: 13px;
}
.main_item_txt {
  line-height: 16px;
  font-size: 15px;
}
.main_item_btn {
  width: 92px;
  height: 29px;
  font-size: 14px;
  color: #ffffff;
  line-height: 29px;
  position: absolute;
  bottom: 20px;
  right: 30px;
  background-color: #28a6e2;
  text-align: center;
}
.main_item_btn::before,
.main_item_btn::after {
  content: "";
  width: 0;
  height: 2px;
  position: absolute;
  transition: all 0.2s linear;
  background: #186daa;
  left: 50%;
  transition-duration: 0.4s;
}
.main_item_btn::before {
  top: 0;
}
.main_item_btn::after {
  bottom: 0;
}
.main_item_btn:hover::before,
.main_item_btn:hover::after {
  width: 100%;
  left: 0;
}
.main_item_btn span::before,
.main_item_btn span::after {
  content: "";
  width: 2px;
  height: 0;
  position: absolute;
  transition: all 0.2s linear;
  background: #186daa;
  top: 50%;
  transition-duration: 0.4s;
}
.main_item_btn span::before {
  left: 0;
}
.main_item_btn span::after {
  right: 0;
}
.main_item_btn:hover span::before,
.main_item_btn:hover span::after {
  height: 100%;
  top: 0;
}
@media (max-width: 1220px) {
  .main_content {
    width: 800px;
  }
  .main_content_item {
    width: 390px;
    height: 165px;
    margin-bottom: 25px;
  }
  .main_item_img {
    width: 110px;
  }
  .main_item_img img {
    width: 80px;
  }
  .main_item_right {
    padding-top: 33px;
    padding-right: 20px;
  }
  .main_item_tit {
    font-size: 18px;
    line-height: 18px;
  }
  .main_item_txt {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
  .main_item_btn {
    bottom: 10px;
  }
}
@media (max-width: 819px) {
  .main_content {
    width: 100%;
  }
  .main_content_item {
    width: 100%;
    height: auto;
    margin-right: 0;
    margin-bottom: 20px;
    padding: 10px;
  }
  .main_item_img {
    width: 50px;
    height: 50px;
    margin-right: 10px;
  }
  .main_item_img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  .main_item_right {
    padding: 0;
  }
  .main_item_tit {
    height: 50px;
    margin-bottom: 10px;
    font-size: 18px;
    display: flex;
    align-items: center;
  }
  .main_item_txt {
    line-height: 20px;
  }
  .main_item_btn {
    position: relative;
    float: right;
    bottom: 0;
    right: 0;
    margin-top: 10px;
  }
}
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