.main {
  width: 1200px;
  margin: 0 auto;
}
.location {
  height: 44px;
  line-height: 44px;
  font-weight: 700;
  font-size: 14px;
  border-bottom: 2px solid #868383;
}
.location .pic {
  display: inline-block;
  width: 10px;
}
.location .pic img {
  width: 100%;
}
.intr_nav {
  margin-top: 25px;
}
.intr_nav .content .intr_list {
  height: 52px;
  background-color: #f4f4f4;
  display: flex;
  justify-content: space-between;
}
.intr_nav .content .intr_list .intr_item {
  width: 251px;
  text-align: center;
  line-height: 52px;
  font-size: 20px;
  font-weight: 700;
  position: relative;
}
.intr_nav .content .intr_list .intr_item span {
  color: #000;
}
.intr_nav .content .intr_list .current {
  background-image: url(../images/企业概况/三角形2.png);
  width: 251px;
  height: 52px;
  background-repeat: no-repeat;
}
.intr_nav .content .intr_list .current span {
  color: #fff !important;
}
.intr_content {
  margin-bottom: 80px;
}
.intr_content .content {
  display: flex;
  justify-content: space-between;
  margin-top: 70px;
}
.intr_content .content .left_intr {
  margin-right: 50px;
}
.intr_content .content .left_intr .pic {
  width: 348px;
}
.intr_content .content .right_intr {
  flex: 1;
}
.intr_content .content .right_intr .intr_title .title {
  font-size: 20px;
  color: #0e3b8c;
  letter-spacing: 2px;
}
.intr_content .content .right_intr .intr_title .subTitle {
  font-size: 14px;
  margin-top: 10px;
  margin-bottom: 10px;
}
.intr_content .content .right_intr .intr_title .line {
  height: 3px;
  width: 45px;
  background-color: #0e3b8c;
}
    .intr_content .content .right_intr .intr_text {
        margin-top: 10px;
        font-weight: 700;
        font-size: 14px;
    }

 .intr_business{
     padding-bottom:50px;
 }
.intr_business .business_title {
  text-align: center;
  margin-bottom: 70px;
}
.intr_business .business_title .title {
  font-size: 30px;
}
.intr_business .business_title .title_img {
  width: 270px;
  margin: 0 auto;
}
.intr_business .contain .img {
  width: 886px;
  margin: 0 auto;
}


/*办公室图片*/
.office_img {
    margin-bottom: 50px;
}

    .office_img .img_content .pic {
        display: flex;
        justify-content: start;
        flex-wrap: wrap;
    }

        .office_img .img_content .pic li {
            width: 350px;
            height: 258px;
            margin-right: 65px;
        }

            .office_img .img_content .pic li img {
                width: 100%;
                height: 100%;
            }

            .office_img .img_content .pic li:nth-child(3n) {
                margin-right: 0px;
                margin-bottom: 64px;
            }

            .office_img .img_content .pic li:nth-child(6) {
                margin-bottom: 0;
            }