#contact-hero-v38{
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}
#contact-hero-v38 *{ box-sizing:border-box; }

/* ===== Hero container ===== */
#contact-hero-v38 .ch-hero{
  position:relative;
  width:100%;
  max-width:1920px;
  margin:0 auto 40px;
  height:500px;              /* ✅ 改为 500 */
  overflow:hidden;
  border-radius:8px;
}

/* ===== Image ===== */
#contact-hero-v38 .ch-img-box{
  position:absolute;
  inset:0;
  z-index:0;
}
#contact-hero-v38 .ch-img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  transform-origin:center center;
  transition:transform .5s ease-in-out;
}

/* ===== Overlay ===== */
#contact-hero-v38 .ch-overlay{
  position:absolute;
  inset:0;
  z-index:1;
  background:rgba(0,0,0,0.18);
  pointer-events:none;
}

/* ===== Content ===== */
#contact-hero-v38 .ch-content{
  position:absolute;
  inset:0;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:0 20px;
  pointer-events:none;
}
#contact-hero-v38 .ch-inner{
  width:100%;
  max-width:1100px;
  margin:0 auto;
}

/* ===== Typography ===== */
#contact-hero-v38 .ch-title{
  margin:0 0 26px 0;
  color:#fff;
  font-weight:600;
  font-size:clamp(52px, 4.2vw, 68px);
  line-height:1.12;
  letter-spacing:-0.015em;
  text-shadow:0 2px 4px rgba(0,0,0,0.30);
}

#contact-hero-v38 .ch-subtitle{
  margin:0;
  color:#fff;
  font-weight:400;
  font-size:clamp(20px, 1.6vw, 26px);
  line-height:1.55;
  text-shadow:0 2px 4px rgba(0,0,0,0.30);
  max-width:58ch;
  margin-left:auto;
  margin-right:auto;
  white-space:normal;
}

/* ===== Hover zoom ===== */
@media (hover:hover) and (pointer:fine){
  #contact-hero-v38 .ch-hero:hover .ch-img{
    transform:scale(1.25);
  }
}

/* ===== Mobile ===== */
@media (max-width:768px){
  #contact-hero-v38 .ch-hero{
    height:320px;            /* ✅ 移动端保持 */
    margin:0 auto 30px;
    border-radius:0;
  }

  #contact-hero-v38 .ch-title{
    font-size:clamp(34px, 6vw, 44px);
    margin-bottom:18px;
  }

  #contact-hero-v38 .ch-subtitle{
    font-size:clamp(16px, 3.6vw, 20px);
    line-height:1.6;
  }
}