* {
    margin: 0;
    padding: 0;
  }
  body {
    font-family: "Helvetica Neue", Helvetica, Arial,Tahoma,"Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
  }
  
  li {
    list-style: none;
  }
  
  a {
    text-decoration: none;
    color: black;
    transition: color 0.3s; /* 颜色变化动画 */
  }
  
  a:hover {
    color: cadetblue;
  }
  
  
  
  .nav-items{
    box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 12px;
    margin-top: 3vh;
  }
  
  .nav1 {
    /* gap:10px; */
    /* width: 400px;
    height: 50px; */
    /* border: 1px solid red; */
    /*margin: 200px auto;*/
    /* width:auto; */
    margin-left: 5vw;
    font-size: 1em;
    height:1vh;
    /* width:40vw; last change */
    vertical-align: middle;
    width:100%;
  }
  
  .logo{
    margin-left: 5vh; 
    
    width:8%;
    height: 2%;
    margin-bottom:1vh;
  }
  
  
  
  /* .img{
    object-fit: cover;
    background-size: cover;
  } */
  
  .nav1>li {
    float: left;
    
  }
  
  .nav1 a {
    /* margin-left: 30%; */
    /* display: flex; */
    /* width: 60%; */
    /* margin-top:3%; */
    height: 4vh;
    /*box-sizing: border-box;*/
    /*color: #333;*/
    text-align: center;
    background-color: white;
    padding-inline: 3vw;
    display:block;
    font-size:1.2em;
    
  }
  
  .nav2 {
    /* 初始隐藏二级导航 */
    /* margin-top: 4vh; */
    display: none;
    /* 相对定位 */
    position: relative;
    
  }
  .nav2 li{
    width:100%;
    height:140%;
    /* box-shadow: rgba(0, 0, 0, 0.1) 0px 0px 12px; */
    /* text-align: center; */
  }
  
  .nav2 a{
    color:#666;
    text-align:left;
    font-size:90%;
    padding-left: 2vw;
    line-height: 4vh;
  }
  
  .nav1 li:hover .nav2 {
    display: block;
  }
  
  .nav3 {
    width: 100%;
    /* height: 200px; */
    /* 绝对定位 */
    position: absolute;
    left: 100%;
    top: 0px;
    /*font: 16px/200px "宋体";*/
    color: #333;
    text-align: center;
    /* 隐藏三级导航 */
    display: none;
    z-index: 1;
  }
  
  .nav2 li:hover .nav3 {
    /* 显示三级导航 */
    display: block;
    
  }
  
  .nav {
    width:fit-content;
    /* width: 45%; */
    /* height:120%; */
    position: absolute;
    text-align: center;
    margin-top: 1%;
    top: 5%;
    padding: 10px;
    right: 10%;
    font-size: 20px;
    z-index: 1;
  }
  .upperimage{
    position:relative;
    top: 100px; 
    display: block; 
    margin-left: auto; 
    margin-right: auto;
    /* width: 50%; transform :scale(2.01); */
    width:100%;
  }
  .language-switch {
    font-size: 12px;
    position: absolute;
    top: 2vh;
    right: 10%;
    /* width:; */
    height:auto;
  }
  
  .middle{
    /* margin-left: 100px;
    margin-right:100px; */
  }
  
  .description{
    margin-top: 25px;
    text-align: left;
    font-size: 19px;
    line-height: 160%;
  
  }
  
  #description p{
    color:rgb(51,51,51);
  }
  
  .lowerbody{
    margin-left: 10px;
    scale: 0.9;
  }
  
  h1, h2{
    text-align: center;
    margin-top: 50px;
    color: rgb(9,88,163);
  }
  
  
  .product {
    display: flex;
    justify-content: space-between;
    align-content: center;
    scale:0.9;
    width: 100%;
    /*padding: 10px;*/
  }
  
  
  .about_lower{
    overflow: auto;
    background-color: #eee;
    
  }
  
  .sections{
    scale:0.9;
  }
  
  .container{
    /* margin-top: 100px; */
    width:100%;
    scale:0.9;
    align-items: center;
  }
  
  .container p{
    color: #3f3f3f;
  }
  
  .product img {
    padding: 30px;
    width:30%;
    padding:20px;
    /* width: 414px;
    height: 180px; */;
  }
  
  .data-table{
    scale:0.9;
    align-items: center;
    /* box-sizing: border-box; */
    
  }
  
  .solid-border-table{
    margin-left: auto;
    margin-right: auto;
  }
  footer{
    margin-top: 200px;
    position: absolute;
    left: 0;
    width: 100%;
  }
  
  
  .contact-info{
    display: flex;
    height: 120px;
    background-color: #29579e;
    font-size: 5px;
    color: white;
  }
  
  .contact-block{
    /* display: flex; */
    width: 100%;
    margin-left: 30px;
    margin-top: 30px;
  }
  
  .contact-block img{
    width: 30px;
    height: 30px;
    margin-right: 30px;
  }
  
  .copyright {
    height: 80px;
    background-color: #285492;
    text-align: center;
    color: white;
  }
  
  /* .hr-dashed{
    border: 0;
      border-top: 1px dashed #a2a9b6;
  } */
  
  .product-middle{
    margin-left: 10%;
    margin-right: 10%;
    margin-top: 10%;
  }
  


  .nav-items{
    display: none;
  }

  :root{
    --white: #f9f9f9;
    --black: #36383F;
    --gray: #85888C;
} /* variables*/

/* Reset */
.mobile-nav-bar *{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.mobile-nav-bar a{
    text-decoration: none;
}
.mobile-nav-bar ul{
    list-style: none;
}

.mobile-nav-bar{
    background-color: var(--black);
    box-shadow: 1px 1px 5px 0px var(--gray);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1;
}

.nav-bar-logo{
    display: inline-block;
    color: var(--white);
    font-size: 60px;
    margin-left: 10px;
}

.mobile-nav{
    width: 100%;
    /* height: 100%; */
    position: fixed;
    background-color: var(--black);
    overflow: hidden;

}
.menu a{
    display: block;
    padding: 30px;
    color: var(--white);
}
.menu a:hover{
    background-color: var(--gray);
}

.mobile-nav{
    max-height: 0;
    transition: max-height .5s ease-out;
}

.hamb{
    cursor: pointer;
    float: right;
    padding: 40px 20px;
}/* Style label tag */

.hamb-line {
    background: var(--white);
    display: block;
    height: 2px;
    position: relative;
    width: 24px;

} /* Style span tag */

.hamb-line::before,
.hamb-line::after{
    background: var(--white);
    content: '';
    display: block;
    height: 100%;
    position: absolute;
    transition: all .2s ease-out;
    width: 100%;
}
.hamb-line::before{
    top: 5px;
}
.hamb-line::after{
    top: -5px;
}

.side-menu {
    display: none;
}

.side-menu:checked ~ nav{
    max-height: 100%;
}
.side-menu:checked ~ .hamb .hamb-line {
    background: transparent;
}
.side-menu:checked ~ .hamb .hamb-line::before {
    transform: rotate(-45deg);
    top:0;
}
.side-menu:checked ~ .hamb .hamb-line::after {
    transform: rotate(45deg);
    top:0;
}

header{
    display: block;
}

.subnav-content {
    background-color:  var(--white);
    width: 100%;
    z-index: 1;
    padding: 20px 0 ;
    display: none;
  }
.subnav-content a {
    color: var(--black);
    text-decoration: none;
    padding: 0;
    margin: 10px 0;
    text-align: center;
}
/* .subnav:hover .subnav-content {
    display: block;
} */

.company-title{
    display: none;
}

#container-1 {
    top: 10px;
}

.box{
    display:none;
}