.banner-bj {
  width: 100%;
  height: 600px;
  background: url("../img/index-bg.jpg") no-repeat center top;
  background-size: 100% 100%;
}
.w1360 {
  width: 1360px;
  margin: 0 auto;
}
.header {
  position: relative;
  height: 600px;
}

.nav-wrap {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 90px;
  background: #2a779a;
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
}
.nav-item {
  padding: 12px;
  text-decoration: none;
  font-size: 16px;
  color: #fff;
  margin: 0 20px;
}

.liuchen {
  width: 100%;
  background: #fff;
  text-align: center;
  margin-bottom: 90px;
}
.module-tit {
  display: inline-block;
  position: relative;
  font-size: 36px;
  color: #333;
  font-weight: bold;
  font-family: PingFang SC;
  text-align: center;
  padding: 0 186px;
  height: 66px;
  line-height: 66px;
  overflow: hidden;
  margin: 40px 0 76px;
}
.module-tit:before {
  display: block;
  content: "";
  position: absolute;
  top: 19px;
  left: 0;
  width: 169px;
  height: 28px;
  background: url(https://meiyong-images.oss-cn-shenzhen.aliyuncs.com/web/left-title.png)
    no-repeat 0 0;
  background-size: 100%;
}
.module-tit:after {
  display: block;
  content: "";
  position: absolute;
  top: 19px;
  right: 0;
  width: 169px;
  height: 28px;
  background: url(https://meiyong-images.oss-cn-shenzhen.aliyuncs.com/web/right-title.png)
    no-repeat 0 0;
  background-size: 100%;
}

.about-us-wrap p {
  text-align: left;
  text-indent: 2em;
  line-height: 32px;
  font-size: 16px;
  margin-bottom: 10px;
}
.about-us-wrap h3 {
  text-align: left;
  margin-bottom: 10px;
  padding-top: 10px;
}