.about-banner {
  width: 100%;
  font-size: 0;
}
.about-banner img {
  width: 100%;
  height: auto;
}
.about-main .common-title {
  padding-top: 100px;
}
.about-main .wrapper {
  width: 1200px;
  margin: 0 auto;
  font-size: 27px;
  color: #333333;
  font-weight: 400;
}
.about-main .about-main1 {
  padding-bottom: 102px;
}
.about-main .about-main1 .about-main1-cont {
  display: flex;
  justify-content: space-between;
  margin-top: 59px;
}
.about-main .about-main1 .about-main1-cont .main1-cont-lf {
  margin-top: 5px;
  width: 634px;
  height: 230px;
  line-height: 48px;
  position: relative;
  padding: 37px 34px 40px 35px;
  background: url(../imgs/about_us/about_us_condition_bg.png);
  background-size: 100% 100%;
}
.about-main .about-main1 .about-main1-cont .main1-cont-rt {
  width: 449px;
  height: 312px;
}
.about-main .about-main3 {
  padding-bottom: 70px;
  background: #f6f6f6ff;
}
.about-main .about-main3 .common-title {
  margin-top: 71px;
}
.about-main .about-main3 .about-main3-cont .about-main3-back {
  width: 1053px;
  margin: 59px auto 0 auto;
  display: flex;
  justify-content: space-between;
}
.about-main .about-main3 .about-main3-cont .about-main3-back .main3-img-left,
.about-main .about-main3 .about-main3-cont .about-main3-back .main3-img-ringth {
  text-align: center;
}
.about-main .about-main3 .about-main3-cont .about-main3-back .main3-img-left .main3-text,
.about-main .about-main3 .about-main3-cont .about-main3-back .main3-img-ringth .main3-text {
  margin-top: 20px;
}
.about-main .about-main3 .about-main3-cont .about-main3-back .main3-cont-rt {
  width: 394px;
  height: 290px;
}
.about-main .about-main2 {
  background: #ffffff;
  padding-bottom: 97px;
}
.about-main .about-main2 .about-main2-cont {
  width: 950px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 62px;
}
.about-main .about-main2 .about-main2-cont .main2-cont-lf {
  position: relative;
}
.about-main .about-main2 .about-main2-cont .main2-cont-lf img {
  margin-left: 22px;
}
.about-main .about-main2 .about-main2-cont .main2-cont-lf ul::after {
  content: "";
  display: block;
  position: absolute;
  background: url(../imgs/about_us/enterprise_culture_bg1.png);
  top: 50%;
  right: -43px;
  width: 34px;
  height: 202px;
  transform: translateY(-50%);
  background-size: 100% 100%;
}
.about-main .about-main2 .about-main2-cont .main2-cont-center {
  text-align: center;
}
.about-main .about-main2 .about-main2-cont .main2-cont-center img {
  width: 84px;
  margin-bottom: 8px;
}
.about-main .about-main2 .about-main2-cont .main2-cont-rt {
  position: relative;
}
.about-main .about-main2 .about-main2-cont .main2-cont-rt img {
  margin-right: 22px;
}
.about-main .about-main2 .about-main2-cont .main2-cont-rt ul::before {
  content: "";
  display: block;
  position: absolute;
  background: url(../imgs/about_us/enterprise_culture_bg2.png);
  left: -43px;
  top: 50%;
  width: 34px;
  height: 202px;
  transform: translateY(-50%);
  background-size: 100% 100%;
}
.about-main .about-main2 .about-main2-cont ul li {
  margin-bottom: 50px;
}
.about-main .about-main2 .about-main2-cont ul li:last-child {
  margin-bottom: 0;
}
.about-main .about-main2 .about-main2-cont img {
  width: auto;
  vertical-align: middle;
}