.ad > div {
  position: relative;
  text-align: left;
}
.ad > div > div {
  position: absolute;
  display: inline-block;
  top: 270px;
  left: 70px;
}
.title {
  background: #F5F5F5;
}
.content {
  background: #fff;
  text-align: center;
  padding-bottom: 60px;
}
.content h1 {
  font-size: 36px;
  line-height: 110px;
  font-weight: normal;
}
.content li {
  display: inline-block;
  padding: 0 80px;
}
.content > p {
  width: 1200px;
  margin: 0 auto;
  color: #666;
  font-size: 18px;
  line-height: 32px;
  padding-top: 0px 32px;
  text-align: justify;
  text-indent: 2em;
  text-justify: inter-ideograph;
}
.main > ul {
  width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-bottom: 70px;
}
.main > ul li {
  float: left;
  width: 330px;
  height: 380px;
  margin: 70px 35px 0 35px;
  padding: 15px;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  background: #f5f5f5;
  -webkit-border-radius: 26px;
     -moz-border-radius: 26px;
          border-radius: 26px;
}
.main > ul li p {
  color: #666;
  font-size: 14px;
  line-height: 24px;
  text-align: left;
}
.main > ul li h2 {
  display: inline-block;
}
.main > ul li h4 {
  font-size: 18px;
  height: 66px;
  line-height: 80px;
  font-weight: normal;
}
.header .product{
	background-color: #1c77e7;
}
.header .product>a {
	color: #fff;
}