/* 性能优化 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* GPU加速 */
.swiper-container,
.banner,
.product-item,
.list-platform-item {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

/* 减少重绘 */
img {
  content-visibility: auto;
}

/* 字体渲染优化 */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: #fff;
  background-color: #f5f5f5;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

a {
  text-decoration: none;
  color: #fff;
  transition: color 0.3s;
}

a:hover {
  color: #409EFF;
}

ul, ol {
  list-style: none;
}

/* 公共样式 */
.wrap {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

/* 内容区域容器 - 保持居中但允许背景横向铺满 */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    color: #fff;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .section-container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .section-container {
        padding: 0 10px;
    }
}

/* 顶部导航样式 */
.header {
  background-color: #333333;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99;
  min-width: auto; /* 移除固定最小宽度限制 */
  border-bottom: 3px solid #333333;
  box-sizing: border-box;
}
  

  /* 响应式设计 */
  @media (max-width: 768px) {
    .header {
      background-color: rgba(0, 0, 0, 0.8);
    }
    
    .header .header-box {
      height: 60px;
      padding: 0 15px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    /* 调整Logo和标题大小 */
    .header .header-box .header-left .logo {
      width: 40px;
      height: 40px;
    }
    
    .header .header-box .header-left .title {
      font-size: 16px !important;
      margin: 0 0 0 10px;
    }
    
    .header .header-box .header-left .title span {
      font-size: 12px !important;
    }
    
    /* 显示汉堡菜单 */
    .mobile-nav-toggle {
      display: block;
      min-height: 44px;
      min-width: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    /* 隐藏桌面导航 */
    .header-right {
      display: none;
    }
    
    /* 移动端侧边菜单样式 */
    .mobile-nav {
      position: fixed;
      top: 0;
      right: -100%;
      width: 280px;
      height: 100vh;
      background-color: #333;
      z-index: 98;
      transition: right 0.3s ease;
      padding-top: 70px;
      box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    }
    
    .mobile-nav.active {
      right: 0;
    }
    
    .mobile-nav .list {
      flex-direction: column;
      padding: 0;
    }
    
    .mobile-nav .list .item {
      margin: 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mobile-nav .list .item a {
      display: block;
      padding: 15px 20px;
      color: #fff;
      text-decoration: none;
      font-size: 16px;
      transition: background-color 0.3s;
      line-height: 1.4;
      min-height: 44px;
      display: flex;
      align-items: center;
    }
    
    .mobile-nav .list .item a:hover,
    .mobile-nav .list .item.current a {
      background-color: rgba(255, 255, 255, 0.1);
    }
    
    /* 下拉菜单样式 */
    .mobile-nav .item .option {
      position: static;
      display: none;
      background-color: #222;
    }
    
    .mobile-nav .item:hover .option {
      display: block;
    }
    
    .mobile-nav .item .option a {
      padding: 12px 20px 12px 40px;
      font-size: 14px;
    }
    
    .banner {
      height: 500px;
    }
    
    /* 优化标题和正文字体大小 */
    h1 {
      font-size: 1.8rem;
      line-height: 1.3;
    }
    
    h2 {
      font-size: 1.5rem;
      line-height: 1.3;
    }
    
    h3 {
      font-size: 1.3rem;
      line-height: 1.4;
    }
    
    p {
      font-size: 1rem;
      line-height: 1.6;
      margin-bottom: 1rem;
    }
    
    /* 优化内容间距 */
    section {
      padding: 2rem 0;
    }
    
    /* 优化按钮尺寸和点击体验 */
    button,
    a.button,
    input[type="button"],
    input[type="submit"],
    input[type="reset"] {
      min-width: 44px;
      min-height: 44px;
      padding: 12px 20px;
      font-size: 1rem;
      border-radius: 4px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
    }
    
    /* 确保所有可点击元素都有足够的点击区域 */
    a,
    input[type="checkbox"],
    input[type="radio"] {
      min-height: 44px;
      min-width: 44px;
      display: inline-block;
    }
    
    /* 优化表单元素 */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    textarea,
    select {
      min-height: 44px;
      padding: 12px;
      font-size: 1rem;
      width: 100%;
      box-sizing: border-box;
      border: 1px solid #ddd;
      border-radius: 4px;
    }
  }
  
  @media (max-width: 480px) {
    .banner {
      height: 300px;
    }
    
    /* 进一步优化小屏幕字体大小 */
    h1 {
      font-size: 1.6rem;
    }
    
    h2 {
      font-size: 1.3rem;
    }
    
    h3 {
      font-size: 1.1rem;
    }
    
    p {
      font-size: 0.95rem;
      line-height: 1.7;
    }
    
    /* 调整Logo和标题大小为更小 */
    .header .header-box .header-left .logo {
      width: 35px;
      height: 35px;
    }
    
    .header .header-box .header-left .title {
      font-size: 14px !important;
      margin: 0 0 0 8px;
    }
    
    .header .header-box .header-left .title span {
      font-size: 10px !important;
    }
    
    /* 调整移动端菜单宽度为更适合小屏幕 */
    .mobile-nav {
      width: 250px;
    }
    
    /* 调整移动端菜单项大小 */
    .mobile-nav .list .item a {
      font-size: 15px;
      padding: 14px 18px;
    }
    
    .mobile-nav .item .option a {
      font-size: 13px;
      padding: 11px 18px 11px 36px;
    }
    
    /* 进一步优化内容间距 */
    section {
      padding: 1.5rem 0;
    }
    
    /* 确保容器内边距合适 */
    .section-container {
      padding: 0 10px;
    }
    
    /* 优化小屏幕设备的交互元素 */
    button,
    a.button,
    input[type="button"],
    input[type="submit"],
    input[type="reset"] {
      min-height: 48px; /* 在极小屏幕上略微增大点击区域 */
      padding: 14px 24px; /* 增加内边距 */
      font-size: 0.95rem;
      width: 100%; /* 小屏幕上按钮全宽显示 */
      margin-bottom: 1rem;
    }
    
    /* 确保链接和表单元素在小屏幕上有更好的体验 */
    a {
      min-height: 44px;
      min-width: 44px;
      display: inline-block;
    }
    
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    textarea,
    select {
      min-height: 48px;
      padding: 14px;
      font-size: 0.95rem;
    }
    
    /* 优化复选框和单选按钮的可点击区域 */
    input[type="checkbox"]:not(:checked),
    input[type="checkbox"]:checked,
    input[type="radio"]:not(:checked),
    input[type="radio"]:checked {
      position: relative;
      opacity: 1;
      pointer-events: auto;
      height: 24px;
      width: 24px;
      margin-right: 10px;
    }
    
    /* 确保汉堡菜单在小屏幕上更容易点击 */
    .mobile-nav-toggle {
      min-height: 48px;
      min-width: 48px;
    }
  }

  /* 移动端菜单按钮样式 */
  .mobile-nav-toggle {
    display: none; /* 默认隐藏，在媒体查询中显示 */
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    z-index: 100;
    margin-right: 10px;
  }
  
  .mobile-nav-toggle span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: #fff;
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transition: all 0.3s ease;
  }
  
  .mobile-nav-toggle span:nth-child(1) {
    top: 0px;
  }
  
  .mobile-nav-toggle span:nth-child(2) {
    top: 10px;
  }
  
  .mobile-nav-toggle span:nth-child(3) {
    top: 20px;
  }
  
  /* 移动端菜单按钮激活状态 */
  .mobile-nav-toggle.active span:nth-child(1) {
    top: 10px;
    transform: rotate(135deg);
  }
  
  .mobile-nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-nav-toggle.active span:nth-child(3) {
    top: 10px;
    transform: rotate(-135deg);
  }
  
  .header .header-box {
    color: #fff;
    max-width: 1200px;
    height: 70px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
  }
  
  /* 鼠标悬停导航栏时保持背景色 */
  .header:hover {
    background-color: #333333;
  }

  .header .header-box .header-left {
    display: flex;
    align-items: center;
  }

  .header .header-box .header-left .logo {
    width: 45px;
    height: 45px;
    margin-right: 15px;
  }

  .header .header-box .header-left .title {
    font-size: 24px;
    color: #fff;
    font-weight: 500;
    white-space: nowrap;
  }

  .header .header-box .header-left .title span {
    font-size: 16px;
    margin-left: 5px;
  }

  .header .header-box .header-right {
    display: flex;
    align-items: center;
  }

  .header .header-box .header-right .list {
    display: flex;
    align-items: center;
  }

  .header .header-box .header-right .list .item {
    position: relative;
    padding: 0 20px;
    height: 70px;
    line-height: 70px;
    font-size: 16px;
    color: #999;
    cursor: pointer;
    transition: all 0.3s;
    /* 移除overflow: hidden，它会阻止下拉菜单显示 */
  }

  .header .header-box .header-right .list .item.active,
  .header .header-box .header-right .list .item:hover {
    color: #fff;
    font-size: 18px;
    border-bottom: 3px solid #19b2ff;
  }

  .header .header-box .header-right .list .item.more:after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border: 6px solid;
    border-color: #999 transparent transparent;
    border-bottom: 0;
    margin-left: 5px;
    vertical-align: middle;
  }

  .header .header-box .header-right .list .item.more:hover:after {
    border-color: #fff transparent transparent;
  }

  .header .header-box .header-right .list .item .option {
    display: none;
    position: absolute;
    top: 70px;
    right: 0;
    width: 180px;
    background-color: rgba(15, 15, 14, 0.95); /* 稍微增加不透明度 */
    box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.2); /* 增强阴影效果 */
    border-radius: 4px;
    overflow: hidden;
    z-index: 9999; /* 提高层级 */
    padding: 5px 0;
    border: 1px solid rgba(255, 255, 255, 0.1); /* 增加边框以增强可见性 */
  }

  /* 增强下拉效果的特异性和可靠性 */
  .header .header-box .header-right .list .item.more:hover .option {
    display: block !important;
    z-index: 9999 !important; /* 确保足够高的层级 */
  }

  .header .header-box .header-right .list .item .option .op {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: #999;
    transition: all 0.3s;
  }

  .header .header-box .header-right .list .item .option .op:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
  }

/* Banner样式 */
.banner {
  margin-top: 0;
  height: 600px;
  overflow: hidden;
  position: relative;
  z-index: 1;
  isolation: isolate;
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  pointer-events: none;
}

.banner .swiper-container {
  height: 100%;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  contain: layout style paint;
  z-index: 1;
}

.banner .swiper-wrapper {
  overflow: hidden;
}

.banner .swiper-slide {
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
  isolation: isolate;
  contain: layout style paint;
  will-change: opacity;
}

.banner .word {
  position: absolute;
  left: 10%;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.banner .title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.banner .info {
  font-size: 24px;
  line-height: 1.5;
}

.banner .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background-color: rgba(255, 255, 255, 0.5);
  opacity: 1;
}

.banner .swiper-pagination-bullet-active {
  background-color: #fff;
  width: 24px;
  border-radius: 6px;
}

/* 主题区域 */
.theme {
  text-align: center;
  font-size: 28px;
  font-weight: 600;
  color: #ffffff;
  margin: 60px 0 30px;
}

/* h1标题样式 */
h1 {
  color: #ffffff;
}

/* h1内span文字样式 */
h1 span {
  color: #ffffff !important;
}

/* article区域 */
.article {
  background-color: #fff;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 40px;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.article-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.3s;
}

.article-item:hover {
  transform: translateY(-5px);
}

.article-item .icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-item .icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.article-item .text-title {
  font-size: 18px;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 500;
}

.article-item .text-content {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 平台支持区域 */
.platform {
  background-color: #fff;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 40px;
}

.platform-box {
  display: flex;
  align-items: center;
  gap: 40px;
}

.platform-text h3 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 500;
}

.platform-text p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
}

.platform-img img {
  max-width: 400px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

/* 多平台管理区域 */
.list-platform {
  background-color: #fff;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 40px;
}

.list-platform-title {
  font-size: 24px;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 500;
  text-align: center;
}

.list-platform-desc {
  font-size: 16px;
  color: #666;
  text-align: center;
  margin-bottom: 20px;
}

.list-platform-subtitle {
  font-size: 18px;
  color: #409EFF;
  text-align: center;
  margin-bottom: 40px;
  font-weight: 500;
}

.list-platform-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.list-platform-item {
  text-align: center;
  transition: transform 0.3s;
}

.list-platform-item:hover {
  transform: translateY(-5px);
}

.list-platform-item img {
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  margin-bottom: 15px;
}

.list-platform-name {
  font-size: 16px;
  color: #fff;
  font-weight: 500;
}

/* 手机APP区域 */
.app-section {
  background-color: #fff;
  border-radius: 8px;
  padding: 60px;
  margin-bottom: 40px;
}

.app-section-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  max-width: 100%;
  flex-wrap: wrap;
}

.app-section-img img {
  max-width: 450px; /* 加大50%，从300px改为450px */
}

.app-section-info {
    flex: 1;
    margin-left: 90px; /* 向右移动 */
}

.app-section-title {
  font-size: 28px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 600;
}

.app-section-desc {
  font-size: 18px;
  color: #666;
  margin-bottom: 20px;
  line-height: 1.6;
}

.app-section-qrcode {
  text-align: center;
  max-width: 200px;
}

.app-section-qrcode-title {
  font-size: 14px;
  color: #666;
  margin-bottom: 15px;
}

.app-section-qrcode img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

/* 数据可视化区域 */
.digital-section {
  background-color: #fff;
  border-radius: 8px;
  padding: 60px;
  margin-bottom: 40px;
}

.digital-section-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  max-width: 100%;
  flex-wrap: wrap;
}

.digital-section-info {
  flex: 1;
}

.digital-section-title {
  font-size: 24px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 500;
}

.digital-section-desc {
  font-size: 16px;
  color: #666;
  margin-bottom: 20px;
  line-height: 1.6;
}

.digital-section-btn {
  display: inline-block;
  padding: 10px 30px;
  background-color: #409EFF;
  color: #fff;
  border-radius: 4px;
  font-size: 16px;
  transition: background-color 0.3s;
}

.digital-section-btn:hover {
  background-color: #66b1ff;
  color: #fff;
}

.digital-section-imgs {
  display: flex;
  gap: 20px;
}

.digital-section-img {
  width: 400px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.digital-section-img:hover {
  transform: scale(1.05);
}

/* 产品介绍区域 */
.product {
  background-color: #fff;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 40px;
}

.product-title {
  font-size: 24px;
  color: #fff;
  margin-bottom: 40px;
  font-weight: 500;
  text-align: center;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.product-item {
  position: relative;
  background-color: #f5f7fa;
  border-radius: 8px;
  padding: 30px 20px;
  text-align: center;
  transition: all 0.3s;
  overflow: hidden;
}

.product-item:hover {
  background-color: #409EFF;
  color: #fff;
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(64, 158, 255, 0.3);
}

.product-item:hover .product-name {
  color: #333;
}

.product-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.product-icon.face {
  background-image: url('../images/icon-face.png');
}

.product-icon.monitor {
  background-image: url('../images/icon-monitor.png');
}

.product-icon.brake {
  background-image: url('../images/icon-brake.png');
}

.product-icon.elevator {
  background-image: url('../images/icon-elevator.png');
}

.product-icon.tower {
  background-image: url('../images/icon-tower.png');
}

.product-icon.environmental {
  background-image: url('../images/icon-environmental.png');
}

.product-icon.helmet {
  background-image: url('../images/icon-helmet.png');
}

.product-icon.led {
  background-image: url('../images/icon-led.png');
}

.product-name {
  font-size: 16px;
  font-weight: 500;
  color: #333;
}

.product-hover {
  position: absolute;
  bottom: -50px;
  left: 0;
  width: 100%;
  height: 50px;
  line-height: 50px;
  background-color: rgba(0, 0, 0, 0.1);
  transition: bottom 0.3s;
}

.product-hover p {
  color: #333;
}

.product-item:hover .product-hover {
  bottom: 0;
}

.product-item:hover .product-hover p {
  color: #333 !important;
}

/* 二维码样式 */
.qrcode-container {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 10px;
  padding: 10px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 100;
}

.qrcode-container::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid #fff;
}

.qrcode-image {
  width: 150px;
  height: 150px;
  display: block;
}

.product-item:hover .qrcode-container {
  opacity: 1;
  visibility: visible;
}

/* 关于我们区域 */
.about {
  background-color: #fff;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 40px;
}

.about-title {
  font-size: 24px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 500;
}

.about-desc {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 30px;
  text-align: justify;
}

.about-btn {
  display: inline-block;
  padding: 10px 30px;
  background-color: #409EFF;
  color: #fff;
  border-radius: 4px;
  font-size: 16px;
  transition: background-color 0.3s;
}

.about-btn:hover {
  background-color: #66b1ff;
  color: #fff;
}

/* 底部信息 */
.footer {
  background-color: #333;
  color: #fff;
  padding: 40px 0;
}

.footer-box {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  justify-content: space-between;
}

.footer-left {
  flex: 1;
  max-width: 400px;
}

.footer-title {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 20px;
}

.footer-text p {
  font-size: 14px;
  color: #999;
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer-copyright {
  margin-top: 30px;
  font-size: 12px;
  color: #666;
}

.footer-copyright p {
  margin-bottom: 5px;
}

.footer-right {
  flex: 2;
}

.footer-nav {
  display: flex;
  justify-content: space-between;
}

.footer-item {
  min-width: 150px;
}

.footer-item-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 20px;
  color: #fff;
}

.footer-item-link {
  display: block;
  font-size: 14px;
  color: #999;
  margin-bottom: 10px;
  transition: color 0.3s;
}

.footer-item-link:hover {
  color: #409EFF;
}

.footer-item img {
  width: 100px;
  border-radius: 4px;
  border: 2px solid #444;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header .header-box {
    height: auto;
    min-height: 60px;
    flex-direction: column;
    padding: 10px;
  }
  
  .header .header-box .header-left {
    margin-bottom: 10px;
  }
  
  .header .header-box .header-left .title {
    font-size: 20px;
  }
  
  .header .header-box .header-right .list {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .header .header-box .header-right .list .item {
    padding: 0 10px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
  }
  
  .header .header-box .header-right .list .item.active,
  .header .header-box .header-right .list .item:hover {
    font-size: 16px;
  }
  
  .header .header-box .header-right .list .item .option {
    top: 40px;
  }
  
  .banner {
    margin-top: 120px;
    height: 300px;
  }
  
  .banner .title {
    font-size: 32px;
  }
  
  .banner .info {
    font-size: 18px;
  }
  
  .platform-box,
  .app-section-box,
  .digital-section-box,
  .footer-box {
    flex-direction: column;
    text-align: center;
  }
  
  .platform-img img {
    max-width: 100%;
  }
  
  .digital-section-imgs {
    flex-direction: column;
    align-items: center;
  }
  
  .digital-section-img {
    width: 100%;
    max-width: 300px;
  }
  
  .product-list {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .footer-nav {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-item {
    margin-bottom: 20px;
    text-align: center;
  }
  
  .footer-box {
    padding: 0 12px;
  }
}

@media (max-width: 480px) {
  .theme {
    font-size: 24px;
    margin: 40px 0 20px;
  }
  
  .article,
  .platform,
  .list-platform,
  .app-section,
  .digital-section,
  .product,
  .about {
    padding: 20px;
  }
  
  .article-item .icon {
    width: 60px;
    height: 60px;
  }
  
  .banner .title {
    font-size: 24px;
  }
  
  .banner .info {
    font-size: 16px;
  }
  
  .footer-box {
    padding: 0 10px;
  }
}