.content-top {
  display: flex;
  margin-top: 40px;
  padding-bottom: 46px;
}
.content-top .left {
  width: 537px;
  padding-left: 32px;
}
.content-top .left h2 {
  font-size: 36px;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #212121;
}
.content-top .left h3 {
  font-size: 24px;
  width: 100%;
  padding-bottom: 10px;
  border-bottom: 1px solid #2f73e6;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #212121;
  margin-bottom: 20px;
}
.content-top .left p {
  font-size: 16px;
  font-family: HarmonyOS Sans;
  font-weight: 400;
  line-height: 22px;
  color: #404040;
  margin: 16px 0 36px 0;
}
.content-top .left ul li {
  width: 100%;
  display: flex;
  padding-bottom: 20px;
  padding-top: 10px;
  border-bottom: 1px solid #2f73e6;
  margin-bottom: 31px;
}
.content-top .left ul li .num {
  font-size: 36px;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #2f73e6;
  margin-right: 33px;
}
.content-top .left ul li .desc {
  width: 313px;
  font-size: 16px;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #000000;
  margin-top: 8px;
}
.content-top .left .more {
  display: block;
  width: 102px;
  height: 35px;
  line-height: 35px;
  text-align: center;
  background: #ffffff;
  border: 1px solid #dddddd;
  font-size: 13px;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #000000;
  margin-left: 16px;
}
.content-top .right {
  width: 590px;
  height: 752px;
  margin-left: 73px;
  overflow: hidden;
}
.content-top .right img {
  width: 590px;
  height: 752px;
}
.content-bottom {
  padding: 116px 0;
  margin-bottom: 100px;
  background-color: #eee;
}
.content-bottom .title {
  width: 100%;
  padding: 0 0 14px 16px;
  border-bottom: 1px solid #7b756f;
  font-size: 24px;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #222222;
  margin-bottom: 26px;
}
.content-bottom ul {
  /* display: flex; */
  width: 100%;
  overflow: hidden;
}
.content-bottom .card {
  float: left;
  width: 376px;
  height: 400px;
  background: #ffffff;
  box-shadow: 0px 2px 3px rgba(0, 0, 0, 0.16);
  border-radius: 4px;
  margin-bottom: 36px;
}
.content-bottom .card:nth-child(3n + 2) {
  margin: 0 20px;
}
.content-bottom .card .pic {
  width: 376px;
  height: 215px;
  overflow: hidden;
}
.content-bottom .card .pic img {
  width: 376px;
  height: 215px;
}
.card-content {
  padding: 11px 11px 30px 11px;
  position: relative;
}
.card-content h2 {
  font-size: 24px;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #212121;
}
.card-content p {
  font-size: 16px;
  font-family: HarmonyOS Sans;
  font-weight: bold;
  color: #3f3f42;
  margin-top: 13px;
  height: 65px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.card-content .arrow {
  position: absolute;
  top: 123px;
  right: 40px;
}

@media screen and (max-width: 768px) {
  .container{
    width: 100%;
    padding: 0 15px;
  }

  .content-top{
    margin-top: 30px;
  }

  .content-top .left{
    width: 100%;
    padding-left: 0;
    padding-bottom: 20px;
  }

  .content-top .left ul li .num{
    margin-right: 20px;
  }

  .content-top .left .more{
    float: right;
    margin-right: 0;
  }

  .content-top .right{
    display: none;
  }

  .content-top .left h3{
    margin-bottom: 12px;
  }

  .content-top .left h2{
    font-size: 30px;
  }

  .content-top .left ul li{
    margin-bottom: 10px;
  }

  .content-bottom{
    margin-bottom: 0;
    padding: 80px 0;
  }

  .content-bottom .card .pic{
    width: 100%;
    height: 0;
    padding-bottom: 57.1808%;    
  }

  .content-bottom .card{
    height: auto;
    margin-bottom: 20px;
    width: calc(50% - 10px);
  }

  .content-bottom .card:nth-child(3n + 2){
    margin: 0;
    margin-bottom: 20px;
  }

  .content-bottom .card:nth-child(2n){
    margin-left: 20px;
  }

  .content-bottom .card .pic img {
    width: 100%;
    height: auto;
  }

  .card-content p{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: auto;    
    width: 84%;
  }

  .card-content .arrow{
    top: auto;
    bottom: 10px;
    right: 10px;
  }
}

@media screen and (max-width: 500px) {
  .card-content{
    padding: 10px 10px 14px 10px;
  }

  .content-bottom .card,
  .content-bottom .card:nth-child(2n){
    width: 100%;
    margin: 0;
    margin-bottom: 20px;
  }

  .card-content h2{
    font-size: 16px;
  }
  
  .card-content p{
    width: 90%;
    font-size: 12px;
  } 

  /* .card-content .arrow{
    position: static;
    text-align: right;
    display: block;
    margin-top: 10px;
  } */

  .card-content .arrow img{
    width: 20px;
    height: auto;
  }
}