.km-contact-section *,
.km-contact-section *::before,
.km-contact-section *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.km-contact-section {
  width: 100%;
  padding: 60px 20px;
  background-color: #ffffff;
  font-family: inherit;
}
.km-contact-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.km-contact-title {
  font-size: clamp(30px, 3vw, 36px);
  font-weight: 700;
  color: #000000;
  margin-bottom: 28px;
}
.km-contact-logo-wrap {
  margin-bottom: 28px;
}
.km-contact-logo {
  max-width: min(320px, 85%);
  height: auto;
  display: inline-block;
}
.km-contact-desc {
  font-size: 16px;
  color: #333333;
  line-height: 1.7;
  margin-bottom: 40px;
}
.km-contact-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 40px;
}
.km-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  white-space: nowrap;
}
.km-contact-btn-wa {
  background-color: #25d366;
  color: #ffffff;
}
.km-contact-btn-email {
  background-color: #0C5ADB;
  color: #ffffff;
}
.km-contact-btn-sample {
  background-color: #ffffff;
  color: #222222;
  border: 1px solid #666666;
}
.km-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.09);
}
.km-contact-btn-sample:hover {
  background-color: #f1f1f1;
}
/* ========== 新增二维码样式 ========== */
.km-qrcode-row{
  display:flex;
  gap:40px;
  justify-content:center;
  flex-wrap:wrap;
}
.km-qrcode-item{
  text-align:center;
}
.km-qrcode-img{
  width:240px;
  height:240px;
  object-fit:contain;
  border-radius:6px;
  margin-bottom:10px;
}
.km-qrcode-text{
  font-size:15px;
  color:#333;
}
@media screen and (max-width:768px) {
  .km-contact-section {
    padding: 60px 16px;
  }
  .km-contact-button-row {
    flex-direction: column;
  }
  .km-contact-btn {
    width: 100%;
  }
  .km-qrcode-row{
    gap:24px;
  }
  .km-qrcode-img{
    width:120px;
    height:120px;
  }
}