.contetn{
  position: relative;
  width: 1100px;margin:0 auto;
  overflow: hidden;
}
.slogan{
  width: 100%;
  text-align: center;
  font-size: 40px;
  margin-top:86px;
  margin-bottom:20px;
}
.sub-slogan{
  width: 100%;
  text-align: center;
  font-size: 18px;
  height: 78px;
}
.content-title{
  font-size: 40px;
  line-height: 48px;;
}
.content-msg{
  margin-top:20px;
  font-size: 18px;
  line-height: 32px;
  text-align: justify;
}
.isgray{
  background: #F7F8FA;
}