#about{
  width: 100%;
  height: 389px;
}
.about_box1{
  width: 1607px;
  height: 389px;
  position: relative;
  left: 313px;
}
.about_box1 ul{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 146px;
}
.about_box1 ul li:nth-child(1){
  width: 561px;
  height: 389px;
}
.about_box1 ul li:nth-child(2){
  width: 1046px;
  height: 389px;
  background: #e6e6e6;
}
.about_box1 ul li:nth-child(2) .title{
  margin-left: 46px;
  margin-top: 71px;
  font-size: 34px;
  color: #323232;
}
.about_box1 ul li:nth-child(2) .summary{
  width: 689px;
  text-align: justify;
  margin-left: 46px;
  margin-top: 31px;
  text-indent: 3.1rem;
  font-size: 14px;
  color: #838282;
  line-height: 22px;
}
.about_box1 ul li:nth-child(2) .content{
  width: 689px;
  text-align: justify;
  margin-left: 46px;
  margin-top: 10px;
  text-indent: 3.1rem;
  font-size: 14px;
  color: #838282;
  line-height: 22px;
}
.about_box2{
  max-width: 1300px;
  height: 144px;
  margin: 0 auto;
}
.about_box2 h1{
  text-align: center;
  line-height: 144px;
  color: #505050;
  font-size: 34px;
}
.about_box3{
  max-width: 1300px;
  margin: 0 auto;
}
.about_box3 ul{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.about_box3 ul li:nth-child(1){
  width: 414px;
  height: 478px;
}
.about_box3 ul li:nth-child(2){
  width: 472px;
  height: 478px;
}
.about_box3 ul li:nth-child(3){
  width: 414px;
  height: 478px;
}
.about_box3 ul li img{
  width: 361px;
  height: 316px;
}
/* .about_box3 ul li:nth-child(1){
  border-right: 1px solid #e0e0e0;
} */
.about_box3 ul li:nth-child(2){
  border-right: 1px solid #e0e0e0;
  border-left: 1px solid #e0e0e0;
}
.about_box3 ul li h1{
  font-size: 17px;
  color: #545454;
  /* text-align: center; */
}
.about_box3 ul li p{
  font-size: 12px;
  color: #828282;
  width: 353px;
  line-height: 20px;
  text-align: center;
  position: relative;
  top: 60px;
}
#about_box4{
  width: 100%;
  background: #e6e6e6;
  margin-top: 71px;
}
.about_box4{
  max-width: 1300px;
  height: 574px;
  margin: 0 auto;
}
.about_box4 h1{
  position: relative;
  top: 80px;
  font-size: 34px;
  color: #444444;
}
.about_box4 ul{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  position: relative;
  top: 144px;
}
.about_box4 ul li{
  width: 204px;
}
.about_box4 ul li p{
  text-align: center;
  line-height: 50px;
  color: #333333;
  font-size: 14px;
}
.about_box5{
  max-width: 1300px;
  height: 417px;
  margin:  0 auto;
}
.about_box5 h1{
  margin-top: 80px;
  color: #444444;
  font-size: 34px;
}
.about_box5 ul{
  display:flex;
  flex-wrap: wrap;
  justify-content:space-between;
  margin-top: 50px;
}
.about_box5 ul li{
  height: 187px;
}
.about_box5 ul li:nth-child(1){
  position: relative;
}
.about_box5 ul li:nth-child(1) h2{
  position: absolute;
  left: 296px;
  top: 9px;
  color: #4e4e4e;
  font-size: 17px;
}
.about_box5 ul li:nth-child(1) p{
  position: absolute;
  top: 53px;
  left: 296px;
  font-size: 14px;
  color: #919191;
  width: 407px;
  line-height: 23px;
  text-align: justify;
}