header{
  width: 7.5rem;
  height: 1.02rem;
  background: #fff;
  position: fixed;
  z-index: 100;
  margin: 0 auto;
  top: 0;
  background: url(../img/index_01.png);
  background-size: 100% 100%;
}
main{
  padding-top: 1.02rem;
}
.logo{
  float: left;
  width: 1.25rem;
  height: 1.02rem;
}
.head_nav{
  float: right;
  width: 1rem;
  height: 1.02rem;
  
}

nav {
    position: fixed;
    right: -7.5rem;
    top: 0;
    background: rgba(0,0,32,0.46);
    width: 7.5rem;
    height: 100%;
    z-index: 99;
}
.nav{
    width: 4.3rem;
    background: #29284a;
    height: 12.8rem;
    margin-top: 1rem;
    float: right;
    box-sizing: border-box;
    padding-left: 0.5rem;
    opacity: 0.9;
}
.nav h2{
  padding-top: 0.65rem;
  font-size: 0.28rem;
  color: #fff;
}
.nav a{
  color: #fff;
}
.nav p{
  margin-top: 0.3rem;
  line-height: 0.5rem;
  font-size: 0.26rem;
}
.nav p a{
  margin-right: 0.4rem;
  display: inline-block;
}