header{
    position: fixed;
    left:0;
    right:0;
    top:0;
    margin:auto;
    height: 80px;
    background-color: #fff;
    z-index: 9999;
}
header .head-nav{
    height: 100%;
    display: flex;
    justify-content: space-between;
}
header .head-nav .left-box{
    display: flex;
    justify-content: flex-start;
    align-items: center;
}
header .head-nav .left-box .logo{
    display: flex;
    width:124px;
    align-items: center;
    justify-content: center;
}
header .head-nav .left-box .hjy{
    display: block;
    /* margin-left: 30px; */
    font-size: 28px;
}
header .head-nav .right-box{
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
header .head-nav .right-box .nav-group{
    position: relative;
    font-size: 16px;
    color:#000;
    margin-left: 30px;
}
header .head-nav .right-box .nav-group:after{
    position: absolute;
    left:0;
    bottom:-10px;
    content: "";
    width: 100%;
    height: 2px;
    background-color: transparent;
}
header .head-nav .right-box .nav-group.on{
    color:var(--blue);
}
header .head-nav .right-box .nav-group.on::after{
    background-color: var(--blue)
}
header .head-nav .right-box .nav-group:hover{
    color:var(--blue);
}

/*module*/
.module{
    margin:0 auto;
}
.module-title{
    margin: 40px;
}
.module-title .title{
    font-size: 32px;
    color: #333;
    font-weight: bold;
    text-align: center;
}
.module-title .sub a{
    margin-top: 10px;
    font-size: 18px;
    color: #999;
}
/*按钮*/
.img_main{
    font-size:16px;
    font-weight: 400;
    color: #c9e8e1;
}

.row{
    display: flex;
    flex-direction: row;
}
.img_btn{
    width: 100px;
    height: 35px;
    background-color: rgba(5, 162, 236, 0.8);
    border: none;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 3px 5px 10px #e4e6e7;
    color: #ffffff;
    margin: 0 10px;
}
.img_btn img{
    margin: 0 10px;
}
.we{
    margin: 0 15px 10px 15px;
    width: 120px;
    align-items: center;
}
.we a{
    color: #fff;
}
.item_title{
    /*display: flex;*/
    text-align: center;
    font-size: 38px;
    color: #0253ac;
    padding-bottom: 40px;
    margin: 30px;
}
/*关于我们 about-us*/
.about-us{
    background-color: #202020;
}
.about-us .ab-con{
    margin:0 auto;
    width: 1170px;
    padding:30px 0;
}
.about-us .company-name{
    font-size: 20px;
    text-align: center;
    padding:20px 0;
    color:#fff;
}
.about-us .ab-con .box{
    display: flex;
    width:100%;
    justify-content: space-between;
    font-size: 14px;
    color:#fff;
}
.about-us .ab-con .box .left{
    width:870px;
}
.about-us .ab-con .box .left>.text{
    line-height: 2;
}
.about-us .ab-con .box .left .address{
    margin-top: 10px;
    margin-bottom: 30px;
    display: flex;
    justify-content: flex-start;
}
.about-us .ab-con .box .left .address li{
    line-height: 2;
    margin-right: 30px;
}
.about-us .ab-con .box .left .friendlink{
    display: flex;
    justify-content: flex-start;
    margin-top: 10px;
}
.about-us .ab-con .box .left .friendlink li{
    margin-right: 30px;
}
.about-us .ab-con .box .left .friendlink li a{
    font-size: 14px;
    line-height: 2;
    color:#fbfbfb;
}
.about-us .ab-con .box .left .friendlink li a:hover{
    color:var(--blue);
}
.about-us .ab-con .box .right{
    width:270px;
    display: flex;
    justify-content: space-between;
}
.about-us .ab-con .box .right .code-box{
    width:100px;
}
.about-us .ab-con .box .right .code-box .text{
    font-size: 14px;
    line-height: 2;
    margin-bottom: 20px;
    text-align: center;
}
.about-us .ab-con .box .right .code-box img{
    width:100%;
    height: auto;
}
/*copyright*/
.copyright{
    font-size: 14px;
    color: #fff;
    line-height: 3;
    text-align: center;
    background-color: #202020;
    border-top:1px solid #4d4d4d;
}
/***************************************************************/
.banner{
    width: 100%;
    position: relative;
    height: 300px;
}
.banner img{
    width: 100%;
    height: 100%;
}
.banner_txt{
    position: absolute;
    width: 100%;
    height: 75px;
    background-color: rgba(128, 128, 128, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    top: 30%;
    font-size: 32px;
    color: #fff;
}
.solution .con{
    padding-bottom: 30px;
}
.center{
    margin: 0 auto;
    width: 1170px;
}
.center .item{
    margin: 50px 0 150px 0;
}
.fir_box{
    background-color:#f3f4f9;
    margin: 0 auto;
    padding: 30px;
    width: 100%;
}
.solution .con:after{
    content: "";
    display: flex;
    flex-direction: column;
    clear:both;
}
.solution .con .item{
    display: flex;
    flex-direction: row;
}
.title_box{
    margin: 0px 40px;
    display: flex;
    flex-direction: column;
}
.solution .con .item:nth-child(3n){
    margin-right: 0;
}
.solution .con .item .imgbox{
    display: block;
    height: 378px;
    width: 45%;
}
.solution .con .item .imgbox1{
    width: 60%;
    margin-left: 80px;
}
.solution .con .item .imgbox1 img{
    display: block;
    height: 450px;
}
.solution .con .item .imgbox img{
    width:100%;
    height: 100%;
    border-radius: 5px;
    transition:transform 1s;
}
.solution .con .item .imgbox img:hover{
    transform: scale(1.1);
    transition:transform 1s;
}
.solution .con .item .title{
    margin-top: 20px;
    padding-bottom: 20px;
    font-size: 24px;
    color:#333;
    font-weight: bold;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    position: relative;
}
.solution .con .item .title::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30%;
    border-bottom: 2px solid #a0a0a0;
}
.solution .con .item .title:hover{
    color:var(--blue);
}
.dian{
    width: 35px;
}
.solution .con .item .desc, .desc1{
    display: flex;
    margin-top: 10px;
    text-indent: 2em;
    color:#999;
    font-size: 18px;
    width: 550px;
    line-height: 2.5;
    text-overflow: ellipsis;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
}
.solution .con .item .desc:hover{
    color: var(--blue)
}