#ocexHeader{
  display: flex;
  flex-direction: column;
  align-items: center;

  width:100%;
  background: #FFFFFF;
  box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.15);

  /* transition: top 0.3s ease-in-out; */

  /* border:2px solid red; */
}

#ocexHeader .headUpper{
  box-sizing: border-box;
  padding: 20px;
}

#ocexHeader .logoImg{
  height:100px;
}

#ocexHeader .logoMobileImg{
  display: none;
}

#ocexHeader .webBtnGroup{
  position:absolute; 
  right:15px; 
  top:10px;

  /* border:1px solid red; */
}

#ocexHeader .mobileBtnGroup{
  display: none;
}

#ocexHeader .lanFlag{
  height:25px;
  margin-right:20px;
  cursor:pointer;
}

#ocexHeader .loginBtn{

  width:120px; 
  height:40px; 
  font-size:18px; 
  color:#900000; 
  border-radius:100px;
  border:2px solid #900000;
  background-color: white;
  margin-right:10px;
}

#ocexHeader .registerBtn{
  border:none; 
  background-color:#900000; 
  width:120px; 
  height:40px; 
  font-size:18px; 
  color:white; 
  border-radius:100px;
}


/* =========================================================== */
/* =========================================================== */

.nav-up {
top:-75px;
}

#ocexHeader .topNavMenu{
  max-width:840px;
  height:61px;
  margin:0 auto;

  /* border: 1px solid red; */
}

#ocexHeader .bottomNavMenu{
  display: none;
}

#ocexHeader .topNavMenu ul{
  list-style: none;
  padding:0;
  margin:0;
}

#ocexHeader .topNavMenu li{
  display: inline-block;
  box-sizing: border-box;
  text-align: center;
  width:140px;
  height:61px;
  padding-top: 18px;
  margin:0;

  /* border: 1px solid gray; */
}

#ocexHeader .topNavMenu a{
  color:#383D49;
  /* font-family: 'Roboto', sans-serif; */
  font-style: normal;
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  opacity: 0.75;
}

.nav-link {
  padding-bottom: 18px;
  position: relative;
}

.nav-link:hover {
  opacity: 1;
}

.nav-link::before {
  transition: 300ms;
  height: 5px;
  content: "";
  position: absolute;
  background-color: #900000;
}

.nav-link-grow-up::before {
  height: 0%;
  bottom: -1px;
  left:0px;
}

.nav-link-grow-up:hover::before {
  height: 6px;
  width:134px;
}

@media screen and (max-width: 1200px) {
    
  #ocexHeader .logoImg{
    height:90px;
  }

  #ocexHeader .webBtnGroup{
    position:absolute; 
    right:15px; 
    top:10px;

    /* border:1px solid red; */
  }

  #ocexHeader .mobileBtnGroup{
    display: none;
  }

  #ocexHeader .lanFlag{
    height:20px;
    margin-right:10px;
    cursor:pointer;
  }

  #ocexHeader .loginBtn{

    width:100px; 
    height:40px; 
    font-size:16px; 
    color:#900000; 
    border-radius:100px;
    border:2px solid #900000;
    background-color: white;
    margin-right:10px;
  }

  #ocexHeader .registerBtn{
    border:none; 
    background-color:#900000; 
    width:120px; 
    height:40px; 
    font-size:16px; 
    color:white; 
    border-radius:100px;
  }

  #ocexHeader .topNavMenu a{
    color:#383D49;
    /* font-family: 'Roboto', sans-serif; */
    font-style: normal;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    opacity: 0.75;
  }
}

@media screen and (max-width: 960px) {
  #ocexHeader{
    display: flex;
    flex-direction: column;
    align-items: center;
  
    width:100%;
    background: #FFFFFF;
    box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.15);
  
    /* border:2px solid red; */
  }
  
  #ocexHeader .headUpper{
    display: flex;
    justify-content: space-between;
    align-items: center;

    width:100%;
    height:65px;
    box-sizing: border-box;
    padding: 15px;

    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.15);

    /* border:1px solid red; */
  }
  
  #ocexHeader .logoImg{
    height:50px;

    /* border:1px solid red; */
  }
  
  #ocexHeader .webBtnGroup{
    position:unset; 
    right:0px; 
    top:0px;
  
    /* border:1px solid red; */
  }

  #ocexHeader .mobileBtnGroup{
    display: none;
  }
  
  #ocexHeader .lanFlag{
    height:20px;
    margin-right:10px;
    cursor:pointer;
  }
  
  #ocexHeader .loginBtn{
  
    width:80px; 
    height:35px; 
    font-size:14px; 
    color:#900000; 
    border-radius:100px;
    border:2px solid #900000;
    background-color: white;
    margin-right:10px;
  }
  
  #ocexHeader .registerBtn{
    border:none; 
    background-color:#900000; 
    width:110px; 
    height:35px; 
    font-size:14px; 
    color:white; 
    border-radius:100px;
  }
}

@media screen and (max-width: 768px) {
  #ocexHeader .topNavMenu{
    display: none;
  }

  #ocexHeader .bottomNavMenu{
    position:fixed;
    z-index: 9999;

    display: flex;
    justify-content: center;
    align-items: center;
    
    bottom:0;
    width:100%;
    height:62px;
    background-color: white;
  
    box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.15);
    border-top: 1px solid lightgray;
  }


  #ocexHeader .bottomNavMenu a{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width:20%;
    height:51px;

    text-decoration: none;
    margin-top:5px;
  }

  #ocexHeader .navIcon{
    height:32px;
    font-size:28px;
    color:#900000;
  }

  #ocexHeader .iconText{
    font-size: 12px;
    color:#900000;
    margin-top:2px;
  }

}

@media screen and (max-width: 576px) {

  #ocexHeader{
    display: flex;
    flex-direction: column;
    align-items: center;
  
    width:100%;
    background: #FFFFFF;
    box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.15);
  
    /* border:2px solid red; */
  }
  
  #ocexHeader .headUpper{
    display: flex;
    justify-content: space-between;
    align-items: center;
  
    width:100%;
    height:60px;
    
    box-sizing: border-box;
    padding: 10px;

    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.15);
  }
  
  #ocexHeader .logoImg{
    /* display: none; */
  }

  #ocexHeader .logoImgMobile{
    height:50px;
  }

  #ocexHeader .logoMobileImg{
    /* display: block; */
  }
  
  #ocexHeader .webBtnGroup{
    position:unset; 
    right:0px; 
    top:0px;
  }

  #ocexHeader .mobileBtnGroup{
    display: none;
  }
  
  #ocexHeader .lanFlag{
    height:18px;
    margin-right:10px;
    cursor:pointer;
  }
  
  #ocexHeader .loginBtn{
    width:55px; 
    height:30px; 
    font-size:12px; 
    color:#900000; 
    border-radius:100px;
    border:2px solid #900000;
    background-color: white;
    margin-right:7px;
  }
  
  #ocexHeader .registerBtn{
    border:none; 
    background-color:#900000; 
    width:70px; 
    height:30px; 
    font-size:12px; 
    color:white; 
    border-radius:100px;
  }
}

@media screen and (max-width: 375px) {
  #ocexHeader .lanFlag{
    height:18px;
    margin-right:6px;
    cursor:pointer;
  }
  
  #ocexHeader .loginBtn{
    width:55px; 
    height:30px; 
    font-size:12px; 
    color:#900000; 
    border-radius:100px;
    border:2px solid #900000;
    background-color: white;
    margin-right:6px;
  }
}

@media screen and (max-width: 425px) {

  #ocexHeader .webBtnGroup{
    display: none;
  }

  #ocexHeader .mobileBtnGroup{
    display: flex;
    align-items: center;
  }

}