*{margin: 0; padding: 0;}
.header{
  height: 90px;
  line-height: 90px;
  background: #0F2347;
}
.header .header-main{
  width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.header .header-main .logo{}
.header .header-main .nav{
  margin-left: auto;
  color: #fff;
}
.header .header-main .nav a{
  display: inline-block;
  width: 180px;
  height: 32px;
  line-height: 32px;
  text-align: right;
  cursor: pointer;
  color: #fff;
  text-decoration: none;
}
.banner{
  background-image: url('../images/banner.png');
  background-size: cover;
  padding-top: 55.3%;
  text-align: center;
  position: relative;
}
.banner .text{
  font-size: 80px;
  font-weight: 700;
  color: #fff;
  position: absolute;
  top: 50%;
  margin-top: -40px;
  left: 50%;
  margin-left: -550px;
}
.about{
  width: 1200px;
  height: 619px;
  margin: 0 auto;
  background-image: url('../images/about.png');
  background-size: cover;
  position: relative;
}
.about .about-msg{
  font-size: 24px;
  line-height: 1.5;
  position: absolute;
  right: 130px;
  bottom:70px
}
.footer{
  padding-top: 34.11%;
  background-image: url('../images/footer.png');
  background-size: cover;
  text-align: center;
  position: relative;
  color: #fff;
  margin-top: 70px;
}
.footer .footer-main{
  position: absolute;
  left: 50%;
  margin-left: -200px;
  top: 120px;
}
.footer .footer-main .name{
  font-size: 28px;
  line-height: 60px;
}
.dates,.icp,.address{
  color: #fff;
  opacity: 0.5;
  font-size: 20px;
  line-height: 40px;
  text-decoration: none;
}
.footer-logo{
  margin-top: 20px;
}