.header .public_w {
  display: flex;
  height: calc(80px + 1rem);
  align-items: center;
  justify-content: space-between;
}
.header .logo {
  height: 65%;
}
.header .logo img {
  height: 100%;
}
.header .nav {
  display: flex;
  width: 35%;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header .nav .head_nav {
  height: 100%;
}
.header .nav .head_nav a {
  display: flex;
  height: 100%;
  justify-content: center;
  align-items: center;
  font-size: calc(10px + 0.4rem);
  font-family: PingFang;
  font-weight: 800;
  color: #1B1B1B;
  transition: 0.3s;
}
.header .nav .head_nav:hover a,
.header .nav .head_nav.hoverActive a {
  color: #FF6A00;
}