.top-box {
   width: 100%;
   position: sticky;
   left: 0;
   top: 0;
   background-color: var(--white-color);
   z-index: 999;
}


/* 头部 */
.wrap-box .wrap-header {
   width: 100%;
   height: 5rem;
   display: flex;
   align-items: center;
   /* margin-left: 12.5rem; */

}

.leftLogo {
   width: 9.96rem;
   height: 2.17rem;
}

.leftLogo img {
   width: 100%;
}



.headerTab ul {
   /* 准确 */
   /* width: 41.79rem; */
   height: 2.54rem;
   margin-left: 2.33rem;
   /* 准确 */
   /* margin-right: 6.57rem; */
   margin-right: 5.5rem;
   display: flex;
   align-items: center;
   position: relative;
}

.headerTab ul li {
   width: 6rem;
   height: 2.54rem;
   margin-right: 0.84rem;
   box-sizing: border-box;
   font-size: 1.04rem;
   font-family: Poppins;
   font-weight: 500;
   color: #252525;
   display: flex;
   align-items: center;
   justify-content: center;

}

.headerTab>ul li :hover a{
   width: 6rem;
   height: 2.54rem;
   text-align: center;
   background: var(--theme-bg-color5);
   border-radius: 0.5rem;
   color: var(--white-color);
   display: flex;
   align-items: center;
   justify-content: center;
}

.engImaging-content-box{
   width: 100%;
}
/* 第一块 */
.content-box-first{
   width: 100%;
   height: 45rem;
   position: relative;
   overflow: hidden;
   font-size: 0;
}
.content-box-first .banner{
   width: 100%;
   height: 100%;
}
.content-box-first .content-box-abs{
   position: absolute;
   left: 19.375rem;
   top: 13.25rem;
}
.content-box-abs .content-box-title{
   font-family: Roboto, Roboto;
   font-weight: bold;
   font-size: 4rem;
   color: #333333;
   line-height: 4.5rem;
   margin-bottom: 2rem;
}
.content-box-abs .content-box-text{
   font-family: Roboto, Roboto;
   font-weight: 400;
   font-size: 1.25rem;
   color: #333333;
   line-height: 2.5rem;
}
/* 第二块 */
.content-box-second{
   width: 100%;
   padding: 6.25rem 19.375rem;
   box-sizing: border-box;
   background: #F3F4F5;
}
.content-box-second .content-box-title{
   font-family: Roboto, Roboto;
   font-weight: bold;
   font-size: 3rem;
   color: #262626;
   line-height: 3.5rem;
   text-align: center;
   margin-bottom: 1rem;
}
.content-box-second .content-box-text{
   font-family: Roboto, Roboto;
   font-weight: 400;
   font-size: 1.25rem;
   color: #666666;
   line-height: 1.875rem;
   text-align: center;
   margin:0  auto 3rem   auto;
   width: 68.5rem;
}
.content-box-list{
   width: 100%;
   display: flex;
   align-items: center;
   justify-content: space-between;
   flex-wrap: wrap;
}
.content-box-list .content-box-item{
   border-radius: .25rem;
   overflow: hidden;
   transition: all 0.5s;
   margin-bottom: 1.625rem;
   cursor: pointer;
}
.content-box-list .content-box-item:hover{
   box-shadow: 0rem .375rem 1.5rem .25rem rgba(0,0,0,0.1);
  
}
.content-box-item .box-item-top{
   padding: 3rem 3rem 1.5rem 3rem;
   box-sizing: border-box;
   background: linear-gradient( 180deg, #FFFFFF 0%, #F7F7F7 100%);
   overflow: hidden;
   font-size: 0;
}
.content-box-item .box-item-top .box-item-img{
   width: 20rem;
   height: 20rem;
}
.content-box-item .box-item-top .box-item-line{
   display: flex;
   align-items: center;
   justify-content: center;
   margin-top: 1.375rem;
}
.content-box-item .box-item-top .box-item-line span{
   display: inline-block;
   height: 0.125rem;
}
.content-box-item .box-item-top .box-item-line span:nth-of-type(1){
   width: 1rem;
   background: #252525;
}
.content-box-item .box-item-top .box-item-line span:nth-of-type(2){
   width: 2rem;
   background: #CCCCCC;
}
.content-box-item .box-item-bottom{
   padding-top: 1.5rem;
   padding-bottom: 2.5rem;
   box-sizing: border-box;
   background: #FFFFFF;
   display: flex;
   flex-direction: column;
   align-items: center;
}
.content-box-item .box-item-bottom .box-item-title{
   text-align: center;
   font-family: Roboto, Roboto;
   font-weight: bold;
   font-size: 1.5rem;
   color: #262626;
   line-height: 2rem;
   margin-bottom: .5rem;
}
.content-box-item .box-item-bottom .box-item-text{
   font-family: PingFang SC, PingFang SC;
   font-size: 1.125rem;
   color: #4D4D4D;
   line-height: 1.625rem;
   height: 1.625rem;
   text-align: center;
}
.content-box-item .box-item-bottom .box-item-text:nth-of-type(3){
   margin-bottom: 1.5rem;
}
/* Explore 按钮 */
.explore_btn{
   width: 7.8125rem;
   height: 2.5rem;
   background: #7BCC00;
   /* border-radius: .125rem; */
   font-family: Roboto, Roboto;
   font-weight: 600;
   font-size: 1.125rem;
   color: #FFFFFF;
   line-height: 1.625rem;
   display: flex;
   align-items: center;
   justify-content: center;
   border-radius: 0.42rem;
 }
 .explore_btn:hover{
   cursor: pointer;
   background: #96D923;
 }
 .explore_btn:active{
   background: #5EA600;
 }


 .scanin__btn {
   width: 9.01rem;
   height: 2.5rem;
   background: #7BCC00;
   border-radius: 0.1rem 0.1rem 0.1rem 0.1rem;
   font-weight: 600;
   font-size: 0.94rem;
   color: #fff;
   cursor: pointer;
   display: flex;
   align-items: center;
   justify-content: center;
   margin-top: 2.4rem;
 }
 .scanin__btn:hover {
   background: #96D923;
 }
 .frame{
   width: 1.25rem;
   height: 1.25rem;
   margin-left: 0.5rem;
}
 .scanin__figure img {
   width: 100%;
   height: auto;
   border-radius: 8px;
 }