.nav ul{
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a{
  text-decoration: none;
  color: inherit;
}
.nav p, .nav h4{
  margin: 0;
}

.nav *{
  box-sizing: border-box;
}

.nav{
  width: 1335px;
  height: 72px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-weight: bold;
  background: #f9740b;
  color: #fff;
}
.nav .login-user{
}
.login-user a:first-child{
  margin-right: 20px;
  font-size: 18px !important;
}
.login-user a:last-child{
  font-size: 14px;
}

.nav ul{
  display: flex;
  align-items: flex-end;
  border-bottom: 3px solid #fff;
}
.nav ul li{
  position: relative;
  font-size: 12px;
  padding-bottom: 1px;
}
.nav ul li.nav-item a{
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.nav ul li.nav-item::after{
  position: absolute;
  top: 233%;
  left: 50%;
  transform: translate(-50%, -100%);
  content: '';
  border: 12px solid transparent;
  border-top-color: #fff;
  display: none;
}
.nav ul li.nav-item:hover::after{
  display: block;
}
.nav .genealogy{
  text-align: center;
  font-size: 24px;
  padding: 2px 8px;
  background: #fff;
  color: #E60707;
}
.genealogy a{
  text-shadow: 0 0 14px rgba(0, 0, 0, 0.27);
}
.nav ul li:not(:last-child){
  margin-right: 38px;
}
.nav ul li:not(:first-child){
  display: flex;
  align-items: center;
}
.nav ul .other-operating{
  font-size: 12px;
  flex-direction: column;
  justify-content: center;
  margin-left: 20px;
}
.other-operating .login-reg-share{
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 4px;
}
.login-reg-share .login{
  margin-right: 16px;
}