.main {
  min-width: 1240px;
}
.banner {
  width: 100%;
  height: 700px;
  margin: 0 auto;
}
.banner .banner-wrapper{
  width: 1160px;
  margin: 0 auto;
  text-align: left;
}
/* .banner .banner-left {
  width: 1160px;
  margin: 0 auto;
  text-align: left;
} */
.banner .banner-title {
  padding-top: 150px;
  font-size: 40px;
  color: #333333;
  line-height: 30px;
}
.banner .dec {
  width: 420px;
  font-size: 18px;
  color: #666666;
  line-height: 42px;
  margin-top: 20px;
  opacity: 0.7;
}
.banner .download-btn {
  font-size: 24px;
  margin-top: 90px;
}
.banner .system {
  clear: both;
  font-size: 14px;
  color: #DCABAB;
  line-height: 24px;
  padding-top: 30px;
}
.img-text {
  width: 1160px;
  margin: 0 auto;
}
.img-text li{
  width: 1160px;
  height: 400px;
  margin: 50px auto;
}
.img-text li.left img{
  float: left;
}
.img-text li.right img{
  float: right;
}
.img-text li.left .text{
  float: right;
  text-align: right;
}
.img-text li.right .text{
  float: left;
  text-align: left;
}
.img-text li.left .dec{
  float: right;
  text-align: right;
}
.img-text img{
  width: 620px;
  height: 400px;
}
.img-text .text{
  width: 540px;
  padding-top: 100px;
}
.img-text .text .title{
  font-size: 40px;
  color: #333333;
  line-height: 80px;
}
.img-text .text .dec{
  width: 400px;
  font-size: 20px;
  color: #666666;
  line-height: 40px;
}

/* common */
/* product-function */
.product-function {
  width: 1200px;
  height: 467px;
  margin: 0 auto;
}
.product-function li{
  float: left;
  width: 145px;
  height: 145px;
  border: 1px solid #fff;
  text-align: center;
  margin: 12px 12px;
  border-radius: 4px;
}
.product-function li:hover {
  border: 1px solid #E73F33;
}
.product-function .icon{
  width: 70px;
  height: 70px;
  margin: 20px auto 10px;
}
.product-function .function-title{
  font-size: 18px;
  color: #333333;
  line-height: 30px;
}
/* product-reason */
.product-reason {
  width: 100%;
  height: 500px;
  background-color: #F9F9F9;
}
.product-reason .product-title {
  line-height: 120px;
}
.reason-main {
  width: 1200px;
  height: 300px;
  margin: 0 auto;
}
.reason-main li {
  float: left;
  width: 200px;
  margin: 25px 50px;
  text-align: center;
}
.reason-main li .icon {
  width: 140px;
  height: 140px;
}
.reason-main li .title {
  font-size: 20px;
  color: #333333;
  line-height: 56px;
}
.reason-main li .dec {
  display: block;
  text-align: left;
  font-size: 16px;
  color: #666;
  line-height: 24px;
}
.footer-down {
  width: 100%;
  height: 80px;
  background-color: #E73F33;
}
.footer-down .down-box{
  width: 700px;
  margin: 0 auto;
  height: 80px;
  line-height: 80px;
  text-align: center;
  background-color: #E73F33;
}
.footer-down span{
  font-size: 30px;
  color: #FFFFFF;
}
.footer-down .down-btn{
  display: inline-block;
  width: 160px;
  height: 40px;
  line-height: 40px;
  margin: 20px 0 0 10px;
  background-color: #fff;
  border-radius: 4px;
  font-size: 18px;
  color: #E73F33;
  cursor: pointer;
}
.footer-down .down-btn:hover{
  background-color: #FFF0EF;
}