body{
  margin: 0 auto;
  font-family: 微软雅黑;
  min-width: 1280px;
}
.row-a{
  margin: 30px 0px;
}
.row-a .title{
  font-size: 36px;
  color: #666666;
  text-align: center;
  margin-bottom: 40px;
}
.row-a .item{
  margin: 0 auto;
  width: 1090px;
  margin-bottom: 40px;
}
.row-a .item .name{
  font-size: 24px;
  color: rgb(246, 124, 1);
  margin-bottom: 25px;
}
.row-a .item .desc{
  font-size: 20px;
  color:#666666;
}



.row-b{
  padding: 30px 0px 5px 0px;
  background-color: #F0F0F0;
}
.container{
  margin: 20px auto;
  width: 1090px;
}
.row-b .top{
  font-size: 24px;
  color: rgb(246, 124, 1);
  margin-bottom: 40px;
}
.row-b .bottom{
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
}
.row-b .bottom .left{
  display: flex;
  flex-wrap: nowrap;
}
.row-b .bottom .left img{
  width: 330px;
  margin-right: 10px;
}
.row-b .bottom .right {
  margin-left: 20px;
}
.row-b .bottom .right .title{
  font-size: 30px;
  color: rgb(75, 75, 75);
  text-align: center;
  margin-bottom: 40px;
}
.row-b .bottom .right .desc{
  font-size: 20px;
  color: #666666;
}
.row-b .bottom .right .desc span{
  display: block;
  line-height: 35px;
}
.row-c .top {
  margin-bottom: 30px;
}
.row-c .top .title{
  font-size: 30px;
  color: rgb(75, 75, 75);
  /* text-align: center; */
  margin-bottom: 30px;
}
.row-c .top .desc{
  width: 600px;
  line-height: 30px;
  font-size: 20px;
  color: #666666;
}
.row-c .bottom .left img{
  /* width: 330px; */
  height: 580px;
  width: auto;
  max-width: 750px;
  margin-right: 10px;
}
.row-d .bottom .left img{
  /* width: 330px; */
  height: 488px;
  width: auto;
  max-width: 515px;
  margin-right: 10px;
}
.bai{
  background-color: #fff;
}