* { margin: 0; padding: 0; box-sizing: border-box;font-family: "Microsoft Yahei";}
.content { width: 1200px; margin: 0 auto; padding-top: 105px; min-height:600px;}
.banner-img{ height: 220px;width: 100%; padding-top: 80px;}
.banner-img img{width: 100%;height: 220px;}
.content .about-text{ margin-top: 55px;}
.content .about-text p{ width:1100px;text-indent: 2em; font-size: 15px ;color: #333333 ;line-height: 27px;margin-left: 50px;}
.content .icon-box { margin-top: 96px; width: 640px;margin-left: 280px}
.content .about-icon {  width: 100px;  height: 100px;  margin: 0 30px;  float: left;  display: inline-block;  }
.content .icon-box h3 {  text-align: center;  color: #999999;  font-weight: normal;  font-size: 15px;  margin-top: 26px;  margin-bottom: 170px;  }