/* 通用样式 */
 * {
  margin: 0;
  padding: 0;
  /* background: #FCFCFF; */
  /* 最后考虑一下背景颜色怎么加 */
  }
  body {
    background: #FFFFFF;
    font-family: Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  }
  ul {
    list-style: none;
  }
  h2 {
    font-weight: 400;
    font-size: 42px;
    color: #111111;
  }
  .subtitle {
    font-weight: 400;
    font-size: 18px;
    color: #444444;
  }
 a {  
  color: inherit; /* 继承父元素的颜色 */  
  text-decoration: none; /* 移除下划线 */  
  line-height: inherit; /* 继承父元素的行高 */   
  display: block;
  color: inherit; /* 继承父元素的文字颜色 */  
  text-decoration: none; /* 移除下划线 */  
  background-color: transparent; /* 背景色透明 */  
  /* 其他需要重置的样式属性 */  
}  
a:hover, a:focus {  
  text-decoration: none; /* 鼠标悬停和聚焦时也不显示下划线 */  
  /* 其他悬停和聚焦状态的样式 */  
}
 

button {  
  background-color: transparent; /* 移除背景色 */  
  border: none; /* 移除边框 */  
  padding: 0; /* 移除内边距 */  
  font: inherit; /* 继承父元素的字体样式 */  
  color: inherit; /* 继承父元素的文本颜色 */  
  cursor: pointer; /* 鼠标悬停时变为手型图标 */  
}

 /* 导航样式 */  
 .navigation { 
  position: fixed; /* 将导航栏固定在页面上 */  
  top: 0; /* 将导航栏定位在页面顶部 */  
  left: 0; /* 从左边开始（也可以使用 right: 0; 从右边开始）*/ 
  width: 100%;
  height: 79px;
  background-color: rgb(255, 255, 255);  
  text-align: center;
  /* box-sizing: border-box;  */
  z-index: 1000; 
  transition: all .25s ease;
  -webkit-box-shadow: 0 0 2px 0 rgba(0, 0, 0, 0.1);
  box-shadow: 0 0 2px 0 rgba(0, 0, 0, 0.1);
}
.navigation .logo {
  display: inline-block;
  vertical-align: middle;
  margin-right: 30px;
}
.navigation .logo img {
  height: 75px;
  width: auto;
}
.navigation nav {  
  display: inline-block;
  vertical-align: middle;
  list-style-type: none;  
  padding: 0;  
  margin: 0;  
}  

.navigation nav ul .main-menu {  
  display: inline-block;  
  position: relative;
  height: 79px;
  line-height: 79px;
}  
.navigation nav ul .main-menu {
  margin-right: 30px;
}
.navigation nav ul .main-menu .name {  
  color: #414141;  
  text-decoration: none;  
  
  font-family: Source Han Sans CN;
  font-size: 16px;
  /* padding: 10px 20px;   */
  /* display: block;   */
  display: inline-block;
}  
/* 子菜单默认隐藏 */  
.navigation nav ul .submenu {  
  display: none;  
  position: absolute;  
  top: 100%; /* 相对于父元素定位 */  
  left: -28%;
  width: 247px;
  z-index: 1000; 
  background-color: rgb(255, 255, 255);
  text-align: left;
  font-family: Source Han Sans CN;
  font-size: 16px;
  box-shadow: rgba(190, 190, 190, 0.45882) 0px 1px 5px;
  -webkit-box-shadow: rgba(190, 190, 190, 0.45882) 0px 1px 5px;
}  
  
/* 父元素被点击或悬停时显示子菜单 */  
.navigation nav ul li:hover > .submenu {  
  display: block;  
}  
  
/* 子菜单链接样式 */  
.navigation nav ul .submenu li a {  
  background-color: #fff;  
  color: #414141;  
  font-family: Source Han Sans CN;
  font-size: 16px;
  font-weight: normal;
  margin: 0;
  padding: 8px 16px 8px 18px;
  text-transform: none;
}
.navigation .submenu li {
  height: auto;
  line-height: 1.5;
}
/* .navigation .submenu li:hover {
  background-color: rgb(245, 245, 245);
 } */
.navigation .submenu li a:hover {
  color: #037ef3;
  background-color: rgb(245, 245, 245);
}
.navigation .main-menu .name:hover:before {
  background-color: #037ef3;
  content: " ";
  display: block;
  height: 4px;
  position: absolute;
  bottom: 16px;
  left: 0;
  width: 100%;
  transition: 0.3s all;
}


/* 官网底部 */
.bottom {
  width: 100%;
  /* height: 345px; */
  background-color: #18191A;
  font-family: Source Han Sans CN;
}
.bottom .bottom-content {
  width: 62%;
  /* height: 206.688px; */
  margin: 0 auto;
  padding: 50px 0 20px;
  border-bottom: 1px solid rgba(40, 41, 42);
  box-sizing: border-box;
  word-wrap: break-word;
}
.bottom .bottom-content .bottom-company {
  display: inline-block;
  margin-right: 2%;
  margin-bottom: 25px;
  width: 23.5%;
  box-sizing: border-box;
  vertical-align: top;
}
.bottom  .bottom-company p {
  color: #fff;
  font-size: 1.4em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}
.bottom  .bottom-company a {
  color: #fff;
  text-decoration: none;
  margin-bottom: 10px;
}
.bottom  .bottom-company a:last-of-type {
  margin-bottom: 0;
}
.bottom  .bottom-company a:hover {
  text-decoration: underline;  
 }
.bottom .bottom-content .bottom-product {
  display: inline-block;
  margin-right: 2%;
  margin-bottom: 25px;
  width: 23.5%;
  box-sizing: border-box;
  vertical-align: top;
}
.bottom  .bottom-product p {
  color: #fff;
  font-size: 1.4em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}
.bottom  .bottom-product a {
  color: #fff;
  text-decoration: none;
  margin-bottom: 10px;
}
.bottom  .bottom-product a:last-of-type {
  margin-bottom: 0;
}
.bottom  .bottom-product a:hover {
  text-decoration: underline;  
}
.bottom .bottom-content .company-introduction {
  display: inline-block;
  margin-right: 2%;
  margin-bottom: 25px;
  width: 23.5%;
  box-sizing: border-box;
  vertical-align: top;
}
.bottom  .company-introduction p:first-of-type {
  color: #fff;
  font-size: 1.4em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}
.bottom  .company-introduction p:last-of-type {
  color: #fff;
  text-decoration: none;
  line-height: 1.8em;
  margin-bottom: 15px;
}
.bottom .bottom-content .public-account {
  display: inline-block;
  margin-bottom: 25px;
  width: 21%;
  box-sizing: border-box;
  vertical-align: top;
}
.bottom  .public-account p {
  color: #fff;
  font-size: 1.4em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  font-size: 1.4em;
}
.bottom  .public-account img {
  width: 130px;
  height: 130px;
}
.bottom .company-information {
  padding: 20px 0;
  width: 62%;
  margin: 0 auto;
}
.bottom .company-information p {
  display: inline-block;
  color: #ffffff;
  font-size: 0.95em;
}
.bottom .company-information a {
  display: inline-block;
  color: #ffffff;
  font-size: 0.95em;
}



 /* 侧边栏 */
 .sidebar {
  position: fixed;
  bottom: 79px;
  right: 5px;
  width: 42px;
  background: #fff;
  color: #414141;
  font-style: normal;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.8em;
  -webkit-font-smoothing: antialiased;
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  z-index: 1000; 
}
.sidebar .tooltip {
  display: inline-block;
  position: relative;
  text-align: left;
  line-height: 1.7;
}
.sidebar .bottom-icon {
  width: 42px;
  height: 40px;
  border: 1px solid #eaeaea;
  margin-bottom: -1px;
  box-sizing: border-box;
}
#scrollToTopBtn{
  display: none;
}
.sidebar .bottom-icon .icon-link {
  background-color: #fff;
  cursor: pointer;
  display: inline-block;
  position: relative; /* 相对于这个容器定位伪元素 */  
}
.sidebar .bottom-icon .icon {
  font-size: 16px;
  line-height: 38px;
  color: #999;
  width: 40px;
  height: 38px;
  text-align: center;
  /* -webkit-backface-visibility: hidden; */
  display: inline-block; /* 使容器内联显示 */  
  cursor: pointer; /* 当鼠标悬停时显示手形光标 */  
}
.sidebar .bottom-icon:hover {
  border: 1px solid #037ef3;
}
.sidebar .bottom-icon:hover .icon{
  /* color: #fff; */
  background-color: #037ef3;
  color: transparent;  
}
.sidebar .bottom-icon .icon i {
  width: 40px;
  height: 38px;
  display: inline-block;
  font: normal normal normal 14px / 1 FontAwesome;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
}
.sidebar .bottom-icon .text {
  position: absolute;  
  top: 0;  
  left: 0;  
  /* background-color: #037ef3;
  color: #fff; */
  display: none;
  width: 40px;
  height: 38px;
  line-height: 1;
  font-size: 13px;
  padding: 6px 2px 0 2px;
  color: transparent; /* 默认文字颜色透明，不可见 */  
  transition: color 0.3s ease; /* 添加过渡效果 */     
  box-sizing: border-box;
  text-align: center;
}
.sidebar .bottom-icon:hover .text {
  display: block;
  color: #fff;
} 

.sidebar .tooltip .left-space {
  display: none;
  width: 211px;
  height: 179px;
  min-width: 210px;
  position: absolute;
  top: 50%;
  right: 100%;
  /* visibility: hidden; */
  display: none;
  opacity: 0;
  transition: opacity 0.8s;
  /* background-color: #fff;
  border: 1px solid red; */
}
.sidebar .tooltip:hover .left-space {
  /* visibility: visible;  */
  display: block;
  opacity: 1;
}
.sidebar .tooltip .left {
  min-width: 200px;
  margin-right: 11px;
  transform: translate(0, -50%);
  padding: 10px;
  color: #444444;
  background-color: #fff;
  font-weight: normal;
  font-size: 13px;
  border-radius: 4px;
  z-index: 99999999;
  box-sizing: border-box;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}
.tooltip .left i {
  position: absolute;
  top: 50%;
  left: 100%;
  margin-top: -12px;
  width: 12px;
  height: 24px;
  overflow: hidden;
}
.tooltip .left i::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
  background-color: #fff;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}
.sidebar .icon-contact .left-space h3 {
  color: #333;
  font-weight: normal;
  font-size: 16px;
  text-align: center;
  margin-bottom: 1px;
  line-height: 1.2;
}
.sidebar .icon-contact .left-space strong {
  display: block;
  font-size: 18px;
  margin-bottom: 5px;
  text-align: center;
  font-weight: bold;
}
.sidebar .icon-contact .left-space p {
  margin-bottom: 6px;
}
.sidebar .icon-contact .contact-info a {
  border-top: none;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  display: inline-block;
}
.sidebar .icon-contact .contact-info a img {
  vertical-align: middle;
}
/* .sidebar .icon-weixin .left-space {
  min-width: 210px;
  position: relative;
  top: 50%;
  right: 100%;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.8s;
} */
/* .sidebar .icon-contact .left {
  min-width: 200px;
  margin-right: 11px;
  transform: translate(0, -50%);
  padding: 10px;
  color: #444444;
  background-color: #fff;
  font-weight: normal;
  font-size: 13px;
  border-radius: 4px;
  z-index: 99999999;
  box-sizing: border-box;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
} */
.sidebar .icon-weixin .left img {
  width: 180px;
  height: 180px;
  /* -webkit-backface-visibility: hidden;
  transition: ease-in-out 200ms; */
}
.sidebar .icon-weixin .left h3 {
  color: #333;
  font-weight: normal;
  line-height: 1.2;
  text-align: center;
  margin-top: -10px;
}