/* V15.2: official BYD wordmark enlarged without distorting its aspect ratio. */
.chat-head .byd-chat-intro h2 .byd-official-wordmark {
  display:block!important;
  width:clamp(200px,24vw,330px)!important;
  max-width:100%!important;
  height:auto!important;
  object-fit:contain!important;
  margin:0 auto 8px!important;
  filter:none!important;
}
html[data-byd-theme="dark"] .chat-head .byd-chat-intro h2 .byd-official-wordmark {
  filter:brightness(0) invert(1)!important;
}
@media(max-width:700px){
  .chat-head .byd-chat-intro h2 .byd-official-wordmark {
    width:clamp(184px,58vw,304px)!important;
    max-width:100%!important;
    margin:0 auto 6px!important;
  }
}