.bus-img {
  margin: 0 auto;
}

.main-business {
  max-width: 1180px;
  margin: 0 auto;
  padding: 80px 32px 102px;
}

article {
  overflow: hidden;
  font-size: 14px;
}

.business2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  row-gap: 50px;
  column-gap: 30px;
}

.business2 .business-item2 {
  /* width: 290px; */
  width: 100%;
  height: 288px;
  margin: 0 auto;
  padding: 14px 12px 18px;
  display: grid;
  grid-template-rows: 1fr 0.4fr 1fr;
  align-items: center;

  overflow: hidden;
  text-align: center;
  background: #fff;
  transition: 0.4s;

}

.business-item2>img {
  width: 80px;
  margin: 0 auto;
}

.business-item2>h4 {
  line-height: 30px;
}

.business2 .business-item2:hover {
  border-radius: 4px;
  transform: translateY(-3%) scale(1.05);
  box-shadow: 4px 4px 8px 3px rgba(0, 0, 0, 0.1);
  
}

.business-item2 a {
  display: inline-block;
  color: var(--primary-color);
  padding: 6px 22px;
  margin-top: 10px;
  border-radius: 20px;
  border: 1px solid var(--primary-color);
  transition: .3s;
}

.business-item2 a:hover {
  color: #fff;
  background: var(--primary-color);
}

.business-item2 p {
  overflow: hidden;
  /* 将对象作为弹性伸缩盒子模型显示 */
  display: -webkit-box;
  /* 设置子元素排列方式 */
  -webkit-box-orient: vertical;
  /* 设置显示的行数，多出部分显示省略号 */
  -webkit-line-clamp: 3;

  line-height: 22px;
}

/* header变成fixed后页面向上平移*/
.sticky-trans {
  margin-top: 80px;
}
.open-trans {
  transform: translateY(80px);
}

@media (max-width:1100px) {
  .business2 .business-item2 {
    width: 282px;
    height: 306px;
    margin: 0 auto;
    padding: 16px;
    background: #fff;
    border-radius: 5px;
  }

  .business-item2>img {
    width: 74px;
  }

  .business2 {
    row-gap: 36px;
  }

}

@media (max-width: 988px) {
  .business2 {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 20px;
  }

  .business2 .business-item2 {
    width: 38vw;
    height: 40vw;
    padding: 3vw 4vw; 
    grid-template-rows: 0.8fr 0.3fr 1fr;
  }

  .business-item2 a {
    margin-top: 10px;
  }
}

@media (max-width: 768px) {
  .business2 {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 30px;
  }

  .business2 .business-item2 {
    width: 42vw;
    height: 40vw;
    padding: 2vw; 
    grid-template-rows: 0.6fr 0.3fr 1fr;
  }

  .business-item2>img {
    width: 58px;
  }

  .business-item2 article {
    font-size: 14px;
  }
}

@media (max-width: 600px) {
  .main-business {
    padding-top: 32px;
    padding-bottom: 52px;
  }

  .business2 {
    grid-template-columns: 1fr;
    column-gap: unset;
    row-gap: 22px;
  }

  .business2 .business-item2 {
    width: 82vw;
    height: 56vw;
    padding: 12px 16px; 
    grid-template-rows: 0.7fr 0.3fr 1fr;
  }

  .business-item2 p {
    -webkit-line-clamp: 2;
  }
}

@media (min-width: 2200px) {

  .main-business {
    max-width: 1300px;
    padding-bottom: 138px;
    /* background-color: rgba(242, 243, 245,0.8); */
  }

  .business2 {
    row-gap: 68px;
    column-gap: 36px;
  }

  .business2 .business-item2 {
    height: 306px;
    margin: 0 auto;
    padding: 14px 12px 18px;
    grid-template-rows: 1fr 0.4fr 1.2fr;
  }

  .business-item2 a {
    margin-top: 23px;
  }
}