:root {
  --nav-height: 68px;
  --white-color: #fff;
  --text-color: rgba(51, 51, 51, 1);
  --text-soft-color: rgba(102, 102, 102, 1);
  --primary-color: rgba(34, 133, 255, 1);
}

html, body {
  scroll-behavior: smooth;
}

.type-area {
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0 20px;
}

.page{
  overflow-x: hidden;
}

.page-head{
  position: fixed;
  top: 0;
  left: 0;
  height: var(--nav-height);
  width: 100%;
  z-index: 10;
  transition: all 0.2s linear;
}
.page-head-active{
  transition: all 0.2s linear;
  background-color: var(--primary-color);
}
.logo span{
  font-size: 0;
  display: none;
  opacity: 0;
  transform: translateX(-99999px);
}

.page-head-content{
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-nav{
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 36px;
  color: rgba(255, 255,255, 0.8);
  transition: all 0.2s linear;
}
.page-nav li:hover{
  transition: all 0.2s linear;
  color: var(--white-color);
}

.nav-active{
  color: var(--white-color)
}
.lang-switch{
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 59px;
  height: 24px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  box-sizing: border-box;
  padding: 2px;
  font-size: 12px;
}

.nav-slide{
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--white-color);
  transition: all 0.2s linear;
}

.lang-switch li{
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  padding: 0 4px;
  border-radius: 10px;
}
.page-null-link{
  width: 100%;
  height: 0;
  opacity: 0;

}
.lang-switch li.active{
  background-color: rgba(255, 255, 255, 1);
  border-radius: 20px;
  color: var(--primary-color);
}


.page-main {
  padding-top: var(--nav-height);
  height: 1167px;
  background: linear-gradient(45deg, rgba(128, 185, 255, 1), var(--primary-color));
}
.page-main-content{
  position: relative;
  height: 100%;
}

.page-main-left{
  padding-top: 139px;
}
.page-title h1{
  font-size: 54px;
  font-weight: 700;
  list-style: 63px;
  margin-bottom: 10px;
}
.page-desc h2 {
  max-width: 442px;
  font-size: 23px;
  font-weight: 400;
  line-height: 32px;
  margin-bottom: 81px;
}
.download-btn {
  border: none;
  outline: none;
  color: var(--white-color);
  font-size: 18px;
  cursor: pointer;


  background-color: rgba(255, 200, 45, 1);
  width: 220px;
  height: 64px;
  border-radius:32px;
}

.page-main-right{
  position: absolute;
  top: 0;
  right: -98px;
  width: 793px;
  height: 767px;
  z-index: 3;
}
.page-app-picture{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.page-app-picture-bg{
  position: absolute;
  bottom: 0;
  left: 5%;
  width: 917px;
  height: 558px;
}


.page-main-bottom{
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  height: 427px;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  border-top-right-radius: 24px;
  z-index: 1;
}

.page-main-bottom ul {
  display: flex;
  gap: 53px;
  position: absolute;
  bottom: 43px;
  left: 50%;
  transform: translateX(-50%);
}

.page-bottom-title{
  color: var(--text-color);
  font-size: 20px;
  font-weight: 500;
  line-height: 23px;
  margin-bottom: 10px;
}
.page-bottom-sub-title{
  color: var(--text-soft-color);
  font-size: 18px;
  font-weight: 400;
  line-height: 23px;
  max-width:215px;
  min-width:215px;
}
.page-main-img{
  margin-bottom: 20px;
}
.page-main-img img{
  width: 48px;
  height: 48px;
}

.app-desc{
  box-sizing: border-box;
  height: 800px;
  background-color: rgba(248, 251, 255, 1);

}
.app-desc-content{
  position: relative;
  padding-top: 40px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 65px;
}
.app-icon{
  position: absolute;
  top: 119px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.app-icon-img{
  width: 80px;
  height: 80px;
  margin-bottom: 10px;
}
.app-icon h2 {
  color: var(--primary-color);
  line-height: 34px;
  font-size: 36px;
  font-weight: 700;
}

.app-left{
  position: relative;
  width: 668px;
  height: 641px;
  flex-shrink: 0;
}

.app-desc-desktop-bg{
  position: absolute;
  top:0;
  left:0;

}
.app-desc-desktop{
  position: absolute;
  bottom:0;
  left:0;
}

.app-desc-shape{
  width: fit-content;
  padding: 12px 21px;
  border-radius: 80px;

}

.app-desc-shape-1{
  background-color: rgba(134, 188, 255, 1);
}

.app-desc-shape-2{
  background-color: rgba(83, 160, 255, 1);
}

.app-desc-shape-3{
  background-color: var(--primary-color);
}
.app-desc-shape-left{
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
  box-sizing: border-box;
  padding: 0 20px;
}

.app-desc-shape-left .app-desc-shape {
  border-bottom-left-radius: 0;

}

.app-desc-shape-right{
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
  box-sizing: border-box;
  padding: 0 20px;
}
.app-desc-shape-right .app-desc-shape {
  border-bottom-right-radius: 0;
}
.app-desc-text{
  color: var(--text-color);
  font-size: 18px;
  line-height: 34px;
  font-weight: 400;
  box-sizing: border-box;
  padding-top: 30px;
}

.app-desc-text span{
  color: var(--primary-color);
  font-weight: 700;
  font-size: 22px;
  line-height: 34px;
}

.app-scenes-content{
  box-sizing: border-box;
  padding: 129px 0;
  display: flex;
  flex-direction: column;
  gap: 117px;
}

.app-scene{
  display: flex;
  justify-content: space-between;
  gap: 65px;

}
.app-scene-title{
  color: var(--primary-color);
  font-size: 36px;
  font-weight: 500;
  margin-bottom: 20px;
}

.app-scene-desc{
  max-width: 520px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  padding: 0 10px;
}
.app-scene-desc img {
  width: 80px;
  height: 80px;
}
.app-scene-text{
  color: var(--text-soft-color);
  font-size: 20px;
  line-height: 40px;
}

.app-download{
  background-color: rgba(238, 245, 255, 1);
  height: 400px;
}

.app-download-content{
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.app-download-desc{
  text-align: center;
  color: var(--text-color);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 40px;
}
.app-download-btn{
  outline: none;
  border: none;
  cursor: pointer;

  background-color: var(--primary-color);
  width: 240px;
  height: 64px;
  border-radius: 32px;
  color: var(--white-color);
  font-size: 18px;
  font-weight: 700;
}

.page-ctonetech-title{
  font-size: 36px;
  color: var(--primary-color);
  font-weight: 700;
  line-height: 34px;
  margin-bottom: 36px;
}
.page-ctonetech-desc{
  font-size: 14px;
  color: var(--text-soft-color);
  line-height: 23px;
  max-width: 560px;
  margin-bottom: 32px;
}
.page-ctonetech-num{
  font-size: 36px;
  color: var(--primary-color);
  line-height: 34px;
  font-weight: 700;
  margin-bottom: 7px;
  /* text-align: center; */
}

.page-ctonetech-stat{
  font-size: 14px;
  color: var(--text-soft-color);
  line-height: 22.5px ;
  font-weight: 400;
  display: flex;
  gap: 76px;


}
.page-ctonetech{
  height: 800px;
  background-color: rgba(248, 251, 255, 1);
}
.page-ctonetech-content{
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}
.page-ctonetech-num-text{
  /* text-align: center; */
  width: 110px;
}

.page-contact{
  height: 600px;
}

.contact-type-area{
  max-width: 1440px;
  margin: 0 auto;
}

.page-contact-content{
  display: flex;
  align-items: center;
  height: 100%;
  background: url('../imgs/contact-bg.png') no-repeat center center;
}

.page-contact-desc{
  width: 641px;
  /* height: 400px; */
  background: rgba(57,59,106,0.4);
  backdrop-filter: blur(20px);
  box-sizing: border-box;
  padding-left: 120px;
  padding-top: 38px;
  padding-right: 77px;
}
.page-contact-title{
  font-size: 36px;
  font-weight: 700;
  line-height: 36px;
  margin-bottom: 20px;
}
.page-contact-text{
  font-size: 21px;
  font-weight: 400;
  line-height: 30px;
  display: flex;
  align-items: center;
}
.page-contact-text img {
  display: block;
  margin-right: 10px;
}

.page-contact-item{
  font-size: 18.75px;
  line-height: 30px;
  font-weight: 400;
  margin-bottom: 36px;
  border-bottom: 1px solid #fff;
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  align-items: flex-start;

}
.page-contact-item span{
  flex-shrink: 0;
  display: block;
  margin-top: 5px;
}

.page-contact-item img{
  display: block;
}
.page-site-stat{
  height: 280px;
  background-color: rgba(50, 58, 69, 1);
}
.page-site-stat-content{
  box-sizing: border-box;
  padding-top: 20px;
  
}
.site-stat-info-all{
  display: flex;
  gap: 120px;
  margin-bottom: 20px;
}
.site-stat-info{
  display: flex;
  gap: 60px;
}
.site-stat-info-title{
    line-height: 25px;
    font-size: 20px;
    margin-bottom: 30px;
    width: 160px;
}

.site-stat-detail{
  color: rgba(163, 165, 168, 1);
  font-size: 14px;
  font-weight: 400;
  line-height: 13px;
}
.site-stat-detail li{
  transition: all 0.3s ease-in-out;
  margin-bottom: 11px;
  white-space: nowrap;
}

.site-stat-detail li:hover{
  transition: all 0.3s ease-in-out;
  color: var(--white-color);
}

.site-right {
  border-top: 1px solid #42444B;
  padding-top: 30px;
  text-align: center;
  color: #6C6E73;
  font-size: 14px;
}
.download-content{
  position: relative;
  max-width: 240px;
}
.download-content-en{
  max-width: 300px;
}

.download-area,  .download-area-main{
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--white-color);
  box-sizing: border-box;
  /* padding: 10px; */
  border-radius: 10px;
  padding-left: 15px
}
.download-area li, .download-area-main li{
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  margin-bottom: 10px;
}

.download-area li:last-child, .download-area-main li:last-child{
  margin-bottom: 0px;
}

.download-area-active{
  color: var(--primary-color);
}
.qr-code-x{
  flex: 1;
  width: 130px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-content:hover .download-modal,
.download-content.active .download-modal{
  transition: all 0.4s ease-in-out;
  transform: scale(1);
  width: 240px;
  height: 200px;
  opacity: 1;
  overflow: visible;
}


.download-content-en:hover .download-modal,
.download-content-en.active .download-modal{
  transition: all 0.4s ease-in-out;
  transform: scale(1);
  width: 300px;
  height: 200px;
  opacity: 1;
  overflow: visible;
}

.download-modal {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 0px;
  height: 0px;
  overflow: hidden;
  transform: scale(0.33);
  transition: all 0.4s ease-in-out;
  transform-origin: top left;
  opacity: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 1);
  border-radius: 10px;
  padding: 10px;
  color: rgba(131, 131, 131, 1);
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.1);
}

.download-modal-title{
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 400;
  text-align: center;
}
.download-modal-content{
  display: flex;
  gap: 20px;
}



.qr-code {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 0px;
  height: 0px;
  overflow: hidden;
  transform: scale(0.33);
  transition: all 0.4s ease-in-out;
  transform-origin: top left;
  opacity: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 1);
  border-radius: 10px;
  padding: 10px;
}
.app-guide-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 820px;
}
.app-guide-title{
  color: var(--primary-color);
  font-size: 36px;
  font-weight: 700;
  line-height: 36px;
  margin-bottom: 40px;
}

.app-guide-video{
  position: relative;
  width: 818px;
  height: 460px;
  margin-bottom: 40px;
}
.app-guide-video video{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-guide-btn{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 409px;
  height: 64px;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  background-color: transparent;
  outline: none;
  border-radius: 32px;
  font-size: 18px;
  font-weight: 700;
  line-height: 25.5px;
  transition: all 0.2s;
  cursor: pointer;
}
.app-guide-btn:hover{
  transition: all 0.2s;
  background-color: var(--primary-color);
  color: var(--white-color);
}
.app-guide-play{
  width: 88px;
  height: 88px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  background: url("../imgs/video-play.png") no-repeat center center/88px 88px;
}

/* ========================================
   移动端汉堡菜单
   ======================================== */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 100;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--white-color);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(9.5px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-9.5px) rotate(-45deg);
}

/* ========================================
   响应式媒体查询 - 平板设备 (768px - 1024px)
   ======================================== */
@media screen and (max-width: 1024px) {
  .type-area {
    padding: 0 15px;
  }

  .page-main {
    height: auto;
    min-height: 900px;
    padding-bottom: 480px;
  }

  .page-main-left {
    padding-top: 100px;
  }

  .page-title h1 {
    font-size: 42px;
  }

  .page-desc h2 {
    font-size: 20px;
    line-height: 28px;
  }

  .page-main-right {
    right: -50px;
    width: 600px;
    height: 600px;
  }

  .page-app-picture-bg {
    width: 700px;
    height: 425px;
  }

  .page-main-bottom ul {
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .page-bottom-sub-title {
    max-width: 180px;
    min-width: 180px;
    font-size: 16px;
  }

  .app-scene {
    gap: 40px;
  }

  .app-scene-img img {
    max-width: 100%;
    height: auto;
  }

  .page-ctonetech-stat {
    gap: 40px;
  }

  .page-contact-desc {
    width: 90%;
    padding-left: 60px;
    padding-right: 40px;
  }

  .site-stat-info-all {
    gap: 60px;
  }

  .site-stat-info {
    gap: 40px;
  }
}

/* ========================================
   响应式媒体查询 - 移动设备 (max-width: 768px)
   ======================================== */
@media screen and (max-width: 768px) {
  /* 基础容器 */
  .type-area {
    padding: 0 15px;
  }

  /* 导航栏移动端样式 */
  .page-head {
    background-color: var(--primary-color);
  }

  .page-head-content {
    position: relative;
  }

  .logo img {
    max-height: 40px;
  }

  /* 语言切换按钮在移动端调整位置 */
  .lang-switch {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .page-nav {
    position: fixed;
    top: var(--nav-height);
    left: -100%;
    width: 280px;
    max-width: 80%;
    height: auto;
    max-height: calc(100vh - var(--nav-height) - 20px);
    background-color: var(--primary-color);
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
    transition: left 0.3s ease;
    z-index: 99;
    border-radius: 0 0 16px 0;
    box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
  }

  .page-nav.active {
    left: 0;
  }

  .page-nav li {
    width: 100%;
    padding: 12px 24px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background-color 0.2s;
  }

  .page-nav li:hover,
  .page-nav li.nav-active {
    background-color: rgba(255, 255, 255, 0.1);
  }

  .page-nav li:last-child {
    border-bottom: none;
  }

  .nav-slide {
    display: none;
  }

  /* 移动端菜单遮罩层 */
  .page-nav.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }

  /* 首屏横幅区域 */
  .page-main {
    height: auto;
    min-height: auto;
    padding-bottom: 20px;
  }

  .page-main-content {
    height: auto;
  }

  .page-main-left {
    padding-top: 80px;
    text-align: center;
  }

  .page-title h1 {
    font-size: 32px;
    line-height: 1.2;
  }

  .page-desc h2 {
    max-width: 100%;
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 40px;
  }

  .download-btn {
    width: 100%;
    max-width: 280px;
    height: 56px;
    font-size: 16px;
  }

  /* 右侧手机图片 - 移动端隐藏或调整 */
  .page-main-right {
    position: relative;
    right: auto;
    width: 100%;
    height: 400px;
    margin: 30px auto 0;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .page-app-picture {
    position: relative;
    max-width: 280px;
    height: auto;
  }

  .page-app-picture-bg {
    display: none;
  }

  /* 底部功能卡片 */
  .page-main-bottom {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    height: auto;
    margin-top: 30px;
    padding: 30px 15px;
    border-radius: 24px;
  }

  .page-main-bottom ul {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    flex-direction: column;
    gap: 30px;
  }

  .page-main-bottom ul li {
    text-align: center;
  }

  .page-bottom-title {
    font-size: 18px;
  }

  .page-bottom-sub-title {
    max-width: 100%;
    min-width: auto;
    font-size: 14px;
    line-height: 20px;
  }

  /* 产品介绍区 */
  .app-desc {
    height: auto;
    padding: 60px 0;
  }

  .app-desc-content {
    flex-direction: column;
    gap: 30px;
    padding-top: 20px;
    align-items: center;
  }

  .app-icon {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin-bottom: 10px;
    order: -1; /* 确保在最顶部 */
    background-image: url('../imgs/desktop-bg.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    padding: 30px 40px;
  }

  .app-icon-img {
    width: 60px;
    height: 60px;
  }

  .app-icon h2 {
    font-size: 28px;
  }

  .app-left {
    width: 100%;
    height: auto;
    margin: 0 auto;
    order: 0; /* 图片在中间 */
  }

  .app-desc-desktop-bg {
    display: none; /* 移动端隐藏背景图，已作为app-icon的背景 */
  }

  .app-desc-desktop {
    position: relative;
    width: 100%;
    height: auto;
    max-width: 100%;
  }

  .app-right {
    width: 100%;
    order: 1; /* 文字在底部 */
  }

  .app-desc-shape {
    padding: 10px 18px;
    font-size: 14px;
  }

  .app-desc-text {
    font-size: 16px;
    line-height: 28px;
    padding-top: 20px;
  }

  .app-desc-text span {
    font-size: 18px;
  }

  /* 功能场景展示 */
  .app-scenes-content {
    padding: 60px 0;
    gap: 60px;
  }

  .app-scene {
    flex-direction: column;
    gap: 30px;
  }

  .app-scene:nth-child(even) {
    flex-direction: column-reverse;
  }

  .app-scene-title {
    font-size: 28px;
    text-align: center;
  }

  .app-scene-desc {
    max-width: 100%;
    text-align: center;
    padding: 0;
  }

  .app-scene-desc img {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
  }

  .app-scene-text {
    font-size: 16px;
    line-height: 28px;
  }

  .app-scene-img {
    width: 100%;
  }

  .app-scene-img img {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin: 0 auto;
    display: block;
  }

  /* 下载区域 */
  .app-download {
    height: auto;
    padding: 60px 0;
  }

  .app-download-desc {
    font-size: 18px;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .app-download-btn {
    width: 90%;
    max-width: 280px;
    height: 56px;
    font-size: 16px;
  }

  .download-content,
  .download-content-en {
    max-width: 100%;
  }

  /* 使用教程 */
  .app-guide-content {
    height: auto;
    padding: 60px 0;
  }

  .app-guide-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .app-guide-video {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    margin-bottom: 30px;
  }

  .app-guide-btn {
    width: 90%;
    max-width: 340px;
    height: 56px;
    font-size: 16px;
  }

  .app-guide-play {
    width: 60px;
    height: 60px;
    background-size: 60px 60px;
  }

  /* 关于公司 */
  .page-ctonetech {
    height: auto;
    padding: 60px 0;
  }

  .page-ctonetech-content {
    flex-direction: column;
    gap: 30px;
    height: auto;
  }

  .page-ctonetech-content > div {
    width: 100%;
  }

  .page-ctonetech-title {
    font-size: 28px;
    text-align: center;
  }

  .page-ctonetech-desc {
    max-width: 100%;
    font-size: 14px;
    line-height: 22px;
    text-align: justify;
  }

  .page-ctonetech-stat {
    flex-direction: column;
    gap: 25px;
    text-align: center;
  }

  .page-ctonetech-num {
    font-size: 32px;
  }

  .page-ctonetech-num-text {
    width: auto;
  }

  .page-ctonetech-content img {
    width: 100%;
    height: auto;
  }

  /* 联系我们 */
  .page-contact {
    height: auto;
    min-height: 500px;
  }

  .contact-type-area {
    padding: 0;
  }

  .page-contact-content {
    background-size: cover;
    align-items: flex-start;
    padding: 60px 0;
  }

  .page-contact-desc {
    width: 100%;
    padding: 30px 20px;
  }

  .page-contact-title {
    font-size: 28px;
  }

  .page-contact-text {
    font-size: 18px;
    margin-bottom: 30px !important;
  }

  .page-contact-item {
    font-size: 14px;
    line-height: 24px;
    margin-bottom: 25px;
    word-break: break-word;
  }

  /* 页脚 */
  .page-site-stat {
    height: auto;
    padding: 30px 0;
  }

  .site-stat-info-all {
    flex-direction: column;
    gap: 30px;
  }

  .site-stat-info {
    flex-direction: column;
    gap: 30px;
  }

  .site-stat-info-title {
    width: auto;
    font-size: 18px;
    margin-bottom: 15px;
  }

  .site-stat-detail {
    line-height: 20px;
  }

  .site-stat-detail li {
    margin-bottom: 10px;
  }

  .site-right {
    font-size: 12px;
    padding: 20px 0;
  }

  /* 下载模态框移动端优化 */
  .download-content,
  .download-content-en {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .download-content:hover .download-modal,
  .download-content.active .download-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 320px;
    height: auto;
    min-height: 200px;
    z-index: 1000;
  }

  .download-content-en:hover .download-modal,
  .download-content-en.active .download-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 340px;
    height: auto;
    min-height: 200px;
    z-index: 1000;
  }

  .download-modal-content {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
    padding: 15px 10px;
  }

  .download-area,
  .download-area-main {
    flex: 1;
    min-width: 0;
    padding: 5px 0 5px 10px;
  }

  .download-area li,
  .download-area-main li {
    font-size: 13px;
    margin-bottom: 8px;
  }

  .qr-code-x {
    flex-shrink: 0;
    width: 130px;
    height: 130px;
  }

  /* 移动端下载按钮点击效果 */
  .download-btn,
  .app-download-btn {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
  }

  /* 移动端模态框遮罩层 */
  .download-content.active::before,
  .download-content-en.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }
}

/* ========================================
   响应式媒体查询 - 小屏幕手机 (max-width: 480px)
   ======================================== */
@media screen and (max-width: 480px) {
  .type-area {
    padding: 0 12px;
  }

  /* 小屏幕菜单优化 */
  .page-nav {
    width: 240px;
  }

  .page-nav li {
    padding: 10px 20px;
    font-size: 15px;
  }

  .page-title h1 {
    font-size: 28px;
  }

  .page-desc h2 {
    font-size: 14px;
    line-height: 22px;
  }

  .download-btn {
    max-width: 240px;
    height: 50px;
    font-size: 15px;
  }

  .page-main-right {
    height: 320px;
  }

  .page-app-picture {
    max-width: 220px;
  }

  .page-bottom-title {
    font-size: 16px;
  }

  .page-bottom-sub-title {
    font-size: 13px;
  }

  .app-icon h2 {
    font-size: 24px;
  }

  .app-icon {
    padding: 20px 30px;
  }

  .app-icon-img {
    width: 50px;
    height: 50px;
  }

  .app-scene-title {
    font-size: 24px;
  }

  .app-scene-text {
    font-size: 14px;
    line-height: 24px;
  }

  .app-download-desc {
    font-size: 16px;
  }

  .page-ctonetech-title,
  .page-contact-title,
  .app-guide-title {
    font-size: 24px;
  }

  .page-nav li {
    font-size: 16px;
    padding: 12px 20px;
  }
}

/* ========================================
   图片响应式优化
   ======================================== */
img {
  max-width: 100%;
  height: auto;
}