#banner { width: 100vw; z-index: 3; }
#banner img { width: 100vw; height: 90vh; }
#banner .pos_abs { width: 100vw; height: 90vh; top: 0; left: 0; }
#banner .info { padding-bottom: 10vh; height: 80vh; background: rgba(var(--secondary-rgb), .45); }
#banner .info .txt { margin: auto; }
#banner .info .txt * { font-weight: 400; color: var(--white); opacity: 0; -webkit-transform: translateY(15px); transform: translateY(15px); }
#banner .info .txt h3 { letter-spacing: 5px; font-size: 50px;  }
#banner .info .txt p { font-weight: 300; font-size: 18px; }
#banner a.pos_abs { z-index: 2; }
#banner video , #banner iframe { position: absolute; width: 100%; height: 100%; top: 0; left: 0; }

/* slick-current */
#banner .slick-current .info .txt * { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); transition-delay: .3s; -webkit-transition-delay: .3s; }
#banner .slick-current .info .txt p { letter-spacing: 2px; transition-delay: .6s; -webkit-transition-delay: .6s; }

@media screen and (min-width: 1281px){
	header #webmenu .top_btn { height: 90vh; }
}

/* ===== Banner fixed ===== */
#banner{
  width: 100%;
  overflow: hidden;
}

#banner img{
  width: 100%;
  height: 90vh;                
  object-fit: cover;           
  object-position: center;      
  display: block;
}

#banner .pos_abs{
  width: 100%;
  height: 90vh;
  top: 0; left: 0;
}

/* ===== RWD ===== */
@media (max-width: 768px){


  #banner img,
  #banner .pos_abs{
    height: clamp(360px, 56svh, 560px); 
  }

  #banner .info{
    height: 100%;
    padding-bottom: 0;
    background: linear-gradient(
      180deg,
      rgba(0,0,0,.12) 0%,
      rgba(0,0,0,.35) 45%,
      rgba(0,0,0,.72) 100%
    );
    display: flex;
    align-items: flex-end;
  }

  #banner .info .txt{
    width: min(640px, 92vw);
    margin: 0 auto;
    padding: 0 14px 22px;
  }

  #banner .info .txt h3{
    font-size: clamp(22px, 6vw, 30px);
    letter-spacing: 2px;
    line-height: 1.2;
  }

  #banner .info .txt p{
    font-size: clamp(13px, 3.6vw, 16px);
    letter-spacing: 1px;
    line-height: 1.55;
    margin-top: 10px;
  }
}

@media (max-width: 599px){

  #banner img,
  #banner .pos_abs{
    height: clamp(360px, 50svh, 560px); /* svh 比 vh 穩（手機工具列不亂跳） */
  }

@media (max-width: 420px){
  #banner img,
  #banner .pos_abs{
    height: clamp(320px, 42svh, 520px);
  }
}