.ad > div {
  position: relative;
  text-align: left;
}
.ad > div > div {
  position: absolute;
  display: inline-block;
  top: 270px;
  left: 70px;
}
.content {
  background-color: #F5F5F5;
  padding-bottom: 60px;
}
.content > ul {
  width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid #c9c9c9;
}
.content > ul li {
  display: inline-block;
  margin-right: 10px;
  text-align: center;
  
}
.content > ul li:hover a,
.content > ul li.this a {
  color: #1c77e7;
  border-bottom: 4px solid #1C77E7;
}
.content > ul a {
  display: block;
  font-size: 18px;
  color: #333;
  padding: 8px 25px;
  border-bottom: 4px solid transparent;
}
.content .list {
  width: 1200px;
  margin: 0 auto;
  padding-top: 50px;
}
.content .list dl {
  width: 1240px;
  margin-left: -20px;
}
.content .list dd {
  width: 270px;
  height: 311px;
  float: left;
  background-color: #fff;
  padding: 22px;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  margin: 20px;
  -webkit-transition: all 0.3s ease-out;
  -o-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}
.content .list dd:hover {
  -webkit-box-shadow: #999 0px 0px 10px;
     -moz-box-shadow: #999 0px 0px 10px;
          box-shadow: #999 0px 0px 10px;
}
.content .list dd img {
  width: 224px;
  height: 224px;
}
.content .list dd p {
  font-size: 18px;
  text-align: center;
  line-height: 24px;
  padding: 19px 0;
}
.content .list .pages {
  text-align: center;
  margin-top: 80px;
}
.content .list .pages a {
  display: inline-block;
  padding: 9px 12px;
  color: #666;
}
.content .list .pages a:hover,
.content .list .pages a.this {
  background-color: #1c77e7;
  color: #fff;
}
.header .product{
	background-color: #1c77e7;
}
.header .product>a{
	color: #fff;
}