.main {
  position: relative;
  min-height: 100%;
}
.main .top-img {
  height: 499px;
  background: url("../img/about-top.png") center no-repeat;
  background-size: cover;
}
.main .introduce-box {
  padding-top: 125px;
  padding-bottom: 160px;
}
.main .introduce-box .row {
  margin-top: 30px;
}
.main .introduce-box .row .text-box {
  font-size: 18px ;
  line-height: 30px;
  color: #5a5a5a;
  position: relative;
  text-align: justify;
}
.main .introduce-box .row .text-box:nth-child(1) {
  margin-right: 40px;
  line-height: 36px;
}
.main .introduce-box .row .text-box:nth-child(2) {
  margin-left: 40px;
}
.main .introduce-box .row .text-box > div {
  width: 100%;
  position: absolute;
  left: 0;
  top: 50%;
  -webkit-transform: translate(0, -50%);
  -moz-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
  -o-transform: translate(0, -50%);
  transform: translate(0, -50%);
}
.main .introduce-box .row .text-box p {
  text-indent: 2em;
}
.main .group-box .group-text {
  width: 840px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 36px;
  text-indent: 2em;
  text-align: justify;
}
.main .group-box .icon-box {
  width: 1200px;
  margin: 50px auto 0;
  text-align: center;
}
.main .group-box .icon-box .icon-item {
  width: 180px;
  -webkit-filter: grayscale(100%);
  filter: grayscale(100%);
}
.main .group-box .icon-box .icon-item .icon-name {
  font-size: 22px;
  color: #bdbdbd;
  margin-top: 15px;
}
.main .group-box .icon-box .icon-item:hover {
  -webkit-filter: grayscale(0%);
  filter: grayscale(0%);
}
.main .group-box .icon-box .icon-item:hover .icon-name {
  color: #333333;
}
.main .bg-box {
  width: 1200px;
  height: 300px;
  background: url("../img/about-img-bg.png") center no-repeat;
  background-size: cover;
  margin: 65px auto 0;
}
.main .bg-box .item-box {
  width: 272px;
  height: 100px;
  color: #fff;
  text-align: center;
  border-right: 1px solid #fff;
}
.main .bg-box .item-box:last-child {
  border-right: none;
}
.main .bg-box .item-box:nth-child(2) .text {
  margin-top: 8px;
}
.main .bg-box .item-box .num {
  line-height: 48px;
  font-size: 36px;
}
.main .bg-box .item-box .num span {
  font-size: 48px;
}
.main .bg-box .item-box .text {
  font-size: 18px;
  margin-top: 18px;
}
.main .enterprise-box {
  padding-top: 130px;
  padding-bottom: 200px;
}
.main .enterprise-box .img-box {
  width: 1200px;
  margin: 70px auto 0;
}
@-webkit-keyframes fadein {
  from {
    opacity: 0.1;
  }
  to {
    opacity: 1;
  }
}
@keyframes fadein {
  from {
    opacity: 0.1;
  }
  to {
    opacity: 1;
  }
}
/*# sourceMappingURL=about.css.map */