div.logobar {
    padding: 0px 0px;
    background-color: rgb(248, 248, 248);
    color: #777777;
}
.logobar .container {
    width: 100%; 
    max-width: none; 
    border-bottom: 1px solid #e7e7e7;
    margin: 0;
    padding: 0;
}
.logobar a {
    color: #4e5e6b;
}
.navbar{
  border-top: none !important;
}
.navbar-brand {
    font-size: 0px;
    background-repeat: no-repeat;
    width: 99vw;
    height: 11vw;
    background-size: 100% auto; 
    background-image: url(https://conf.researchr.org/getImage/apsec-2025/orig/WechatIMG88.jpg);
    margin: 0;
    padding: 0;
}
.navbar{
  border-top: none !important;
  background-color: var(--themecolor);
  color: white;
}
.place {
  display:none;
  float: left;
  padding : 0 0 0 px
}
.place2 {
  float: right;
  padding : 23px 0 0 0px
}