.header-nav {
    width: 100%;
    background-color: rgba(206,206,206,0);
    color: rgba(16,16,16,1);
    box-shadow: 0 2px 8px rgba(0,0,0,0);
}
/* 主视觉区块 */
.contact-hero {
  height: 400px;
  background: url('../img/chuangjie-lianxi/contact-hero-bg.png') no-repeat center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-hero-content{
    width: 1300px;
    margin: 0 auto;
}
.contact-hero-title {
  font-size: 32px;
  color: #222;
  font-family: 'AlibabaPuHui-bold';
  margin-bottom: 12px;
  text-align: left;
}
.contact-hero-left{
}
.contact-hero-nav{
    margin-left: 15px;
}
.contact-hero-desc {
  font-size: 16px;
  color: #666;
  margin-bottom: 8px;
  text-align: left;
}
.contact-hero-hotline {
  font-size: 22px;
  color: #222;
  margin-bottom: 8px;
}
.contact-hero-hotline-label {
  margin-bottom: 16px;
  color: rgba(51,51,51,1);
    font-size: 24px;
    font-family: "AlibabaPuHui-regular";
}
.contact-hero-hotline-number {
  font-size: 32px;
  color: #222;
  font-family: 'AlibabaPuHui-bold';
}
.contact-hero-features {
  gap: 32px;
  margin-top: 109px !important;
  margin-bottom: 27px;
}
.contact-hero-feature {
    height: 50px;
  margin: 0 16px;
  font-size: 16px;
  color: #444;
}
.contact-hero-feature-icon {
  width: 30px;
  height: 30px;
  display: block;
}
.contact-hero-feature-label {
  width: 96px;
  height: 34px;
  display: block;
  max-width: 100%;
  height: auto;
  font-family: 'YSBiaoTiHei-regular';
  color: rgba(51,51,51,1);
  font-size: 26px;
}

/* 动画：图标自上而下，内容自下而上 */
@keyframes iconDown {
  0% { opacity: 0; transform: translateY(-40px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes imgDown {
  0% { opacity: 0; transform: translateY(-40px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes contentUp {
  0% { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}
.animate-icon-down {
  opacity: 0;
  animation: iconDown 0.8s forwards;
}
.animate-icon-down.in-view {
  opacity: 1;
  animation: iconDown 0.8s forwards;
}
.animate-img-down {
  opacity: 0;
  animation: imgDown 0.8s forwards;
}
.animate-img-down.in-view {
  opacity: 1;
  animation: imgDown 0.8s forwards;
}
.animate-content-up {
  opacity: 0;
  animation: contentUp 0.8s forwards;
}
.animate-content-up.in-view {
  opacity: 1;
  animation: contentUp 0.8s forwards;
  height: 349px;
}

/* 联系方式与地图区块 */
.lxfs{
  width: 1400px !important;
  margin: 0 auto;
}
.contact-map-img {
  width: 640px;
  height: 380px;
  object-fit: cover;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.contact-info-title {
  font-size: 22px;
  color: #222;
  font-family: 'AlibabaPuHui-bold';
  margin-bottom: 18px;
}
.contact-info-list {
  font-size: 16px;
  color: #444;
  margin-bottom: 18px;
  line-height: 2;
}
.contact-qrcodes {
  margin-top: 18px;
  gap: 32px;
}
.contact-qrcode-box {
  align-items: center;
}
.contact-qrcode-img {
  width: 130px;
  height: 130px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.contact-qrcode-label {
  font-size: 14px;
  color: #888;
  margin-top: 8px;
}

/* 全局响应式调整示例 */
:root {
  font-size: 16px;
}
@media (max-width: 1200px) {
  :root { font-size: 15px; }
}
@media (max-width: 992px) {
  :root { font-size: 14px; }
}
@media (max-width: 768px) {
  :root { font-size: 13px; }
}
@media (max-width: 576px) {
  :root { font-size: 12px; }
}
/* 其余所有px单位宽高、间距、字体等全部替换为rem、%、vw/vh等，图片max-width:100% */
@media (max-width: 1400px) {
  .contact-map-img { width: 100%; height: auto; }
  .contact-main { max-width: 100%; }
}
@media (max-width: 992px) {
  .contact-map-img { width: 100%; height: auto; }
  .contact-main { padding: 0 12px; }
} 

@media (max-width: 1366px) {
  .contact-hero-title {
    font-size: 22px !important;
  }
  .contact-hero-desc, .contact-info-title {
    font-size: 16px !important;
  }
  .contact-map-img, .contact-qrcode-img {
    max-width: 100%;
    height: auto;
  }
  .container, .contact-main {
    padding-left: 10px;
    padding-right: 10px;
  }
 
  body, html {
    min-width: 0 !important;
    overflow-x: hidden !important;
  }
  .contact-hero, .contact-main, .lxfs, .container {
    max-width: 100% !important;
    width: 100% !important;
    min-width: 0 !important;
    padding-left: 10px;
    padding-right: 10px;
    box-sizing: border-box;
  }
  img, video {
    max-width: 100% !important;
    height: auto !important;
  }
} 

@media (max-width: 1280px) {
  body, html {
    min-width: 0 !important;
    overflow-x: hidden !important;
  }
  .contact-hero, .contact-main, .lxfs, .container {
    max-width: 100% !important;
    width: 100% !important;
    min-width: 0 !important;
    padding-left: 6px;
    padding-right: 6px;
    box-sizing: border-box;
  }
  img, video {
    max-width: 100% !important;
    height: auto !important;
  }
  :root { font-size: 15px; }
  .contact-hero-title, .contact-info-title {
    font-size: 20px !important;
  }
} 

@media (max-width: 1024px) {
  :root { font-size: 13px; }
  .contact-hero, .contact-section, .contact-form {
    width: 100% !important;
    min-width: 0 !important;
    padding: 0 6px !important;
    box-sizing: border-box;
  }
  .contact-title {
    font-size: 22px !important;
  }
  img, video {
    max-width: 100% !important;
    height: auto !important;
  }
}
@media (max-width: 768px) {
  :root { font-size: 12px; }
  .contact-title {
    font-size: 16px !important;
  }
  html, body {
    width: 100vw;
    min-width: 0 !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }
  .container, .container-fluid, .row, .main, .footer-main, .header-nav, .platform-row, .feature-row {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100vw !important;
    padding-left: 4px !important;
    padding-right: 4px !important;
    box-sizing: border-box;
    margin: 0 auto;
  }
  img, video {
    max-width: 100% !important;
    height: auto !important;
  }
  button, .btn, input, .form-control, .float-popup, .call-popup, .footer-section, .footer-main {
    max-width: 100vw !important;
    width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box;
  }
  :root { font-size: 12px; }
  .contact-hero{
      width: 100% !important;
      height: 250px;
      position: relative;
      align-items: self-start !important;
     
  }
  .contact-hero-features{
    margin: 0 !important;
    width: 100%;
    flex-direction: column;
    gap: 0;
    position: absolute;
    left: 15px;
    bottom: 25px;
  }
  .contact-hero-feature{
    margin: 0 !important;
    height: auto;
    gap: 0;
  }
  .contact-hero-content{
    width: 100%;
    flex-direction: column;
  }
  .contact-hero-title,.contact-info-title{
    font-size: 16px !important;
  }
  .contact-hero-desc{
    font-size: 12px !important;
  }
  .contact-hero-hotline-label{
    font-size: 15px;
  }
  .title-hotline-number{
    font-size: 18px !important;
  }
  .contact-hero-hotline{
    justify-content: center !important;
    align-items: flex-end !important;
    margin: 0 !important;
    margin-right: 46px !important;
    display: block;
    position: absolute;
    right: 0px;
    bottom: 25px;
  }
  .contact-hero-feature-label{
    color: rgba(51,51,51,1);
    font-size: 16px;
  }
  .contact-hero-feature-icon{
    width: 24px;
  }
  .contact-hero-left{
    margin-top: 50px;
  }
  .contact-map-wrap{
    margin-top: 0;
    height: auto !important;
  }
   .contact-info-list{
    font-size: 11px !important;
  }
  .animate-content-up.in-view{
    height: auto;
    margin: 15px 0;
  }
} 

@media (max-width: 400px) {
  html, body {
    width: 100vw;
    min-width: 0 !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }
  .container, .container-fluid, .row, .main, .footer-main, .header-nav, .platform-row, .feature-row {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100vw !important;
    padding-left: 4px !important;
    padding-right: 4px !important;
    box-sizing: border-box;
    margin: 0 auto;
  }
  img, video {
    max-width: 100% !important;
    height: auto !important;
  }
  button, .btn, input, .form-control, .float-popup, .call-popup, .footer-section, .footer-main {
    max-width: 100vw !important;
    width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box;
  }
  :root { font-size: 12px; }
  .contact-hero{
      width: 100% !important;
      height: 250px;
      position: relative;
      align-items: self-start !important;
     
  }
  .contact-hero-features{
    margin: 0 !important;
    width: 100%;
    flex-direction: column;
    gap: 0;
    position: absolute;
    left: 15px;
    bottom: 25px;
  }
  .contact-hero-feature{
    margin: 0 !important;
    height: auto;
    gap: 0;
  }
  .contact-hero-content{
    width: 100%;
    flex-direction: column;
  }
  .contact-hero-title,.contact-info-title{
    font-size: 16px !important;
  }
  .contact-hero-desc{
    font-size: 12px !important;
  }
  .contact-hero-hotline-label{
    font-size: 15px;
  }
  .title-hotline-number{
    font-size: 18px !important;
  }
  .contact-hero-hotline{
    justify-content: center !important;
    align-items: flex-end !important;
    margin: 0 !important;
    margin-right: 46px !important;
    display: block;
    position: absolute;
    right: 0px;
    bottom: 25px;
  }
  .contact-hero-feature-label{
    color: rgba(51,51,51,1);
    font-size: 16px;
  }
  .contact-hero-feature-icon{
    width: 24px;
  }
  .contact-hero-left{
    margin-top: 50px;
  }
  .contact-map-wrap{
    margin-top: 0;
    height: auto !important;
  }
   .contact-info-list{
    font-size: 11px !important;
  }
  .animate-content-up.in-view{
    height: auto;
    margin: 15px 0;
  }
}