.zhihui{
    background: rgb(255, 255, 255)
    }
    .box>.nav {
        min-width: 1200px;
        height: 100px;
        margin: 0 auto;
        position: relative;
        max-width: 1200px;
    }
    
    
    .box>.nav img {
        width: 200px;
        height: 100px;
        display: block;
        float: left;
    
    
       
    }
    .box>.nav>div>div {
        float: right;
        margin-right: 0;
      
    }
    .box>.nav>div>div>a {
        float: left;
        line-height: 100px;
        width: 180px;
        display: block;
        height: 100px;
        text-align: center;
        font-size: 24px;
        color: rgb(0, 0, 0)
    }
    .box>.nav>div>div>a:nth-child(2) {
        background: rgb(17, 110, 201);
        color: rgb(255, 255, 255);
    }
    .banner {
        min-width: 1200px;
        height: 480px;
        margin-bottom: 0px;
    }
.box_ {
    min-width: 1200px;
    height: 620px;
}
.cptx {
    min-width: 1200px;
    height: 1070px;
    background: rgb(240, 245, 245);
}
.cptx_font {
    width: 1200px;
    height: 113px;
    text-align: center;
 
    margin: 0 auto;
    line-height: 113px;
    font-size: 27px;
    color: rgb(0, 0, 0);
}
.cptx_div {
    width: 1200px;
    height: 957px;
    margin: 0 auto;
 
}
.box_b,.box_t {
    width: 1200px;
    height: 477px;
}

.box_b>div{
    
    float: right;
}
.box_t>div {
    float: left;
}

.box_t>.font_1 {
    width: 374px;
    height: 477px;
}
.box_t>img {
    width: 826px;
    height: 480px;
    display: block;
}
.box_b>img {
    width: 763px;
    height: 480px;
    display: block;
}
.box_t>.font_2 {
width: 436px;
height: 480px;
}
.cptx_div h5 {
    margin-top: 105px;
    font-size: 22.5px;
    font-weight: 400;
    margin-bottom: 13px;
}
.font_1>h5,.font_1>p {
    margin-left: 55px;
}
.font_1>p {
    margin-bottom: 15px;
    font-size: 15px;
    font-weight: 500;
}
.font_2 {
    width: 437px;
    height: 480px;
    background: rgb(255, 255, 255);
}
.font_1 {
    background: rgb(255, 255, 255);
}
.font_2>h5,.font_2>p {
    margin-left: 109px;
}
.font_2>h5 {
    margin-top: 116px;
}
.font_2>p {
    margin-bottom: 14px;
}
.box_t,.box_b {
    margin-top: 0;
    margin-bottom: 0;
}




.pro {
    min-width: 1200px;
    height: 736px;
    background: rgb(240, 245, 245);
    margin:0 auto;
}
.pro>.pro_font {
    width: 1200px;
    height: 125px;
    text-align: center;
    margin:0 auto;
    line-height:140px;
    font-size: 27px;
}

.pro_div {
    width: 1200px;
    height: 611px;
    margin: 0 auto;
}
.pro_div>ul>li {
    width: 388px;
    height: 611px;
    float: left;
}
.pro_div>ul>li:nth-child(2) {
    margin-left: 18px;
    margin-right: 18px;
}


.pro_div>ul>li>p {
    color: rgb(0, 0, 0);
    margin-top: 37px;
    margin-left: 112px;
    font-size: 15px;
    font-weight: 600;
}
.sm {
    min-width: 1200px;
    height: 600px;
    background: rgb(17, 110, 201);
    margin-top: 42px;
    margin-bottom: 40px;
  
   
}
.sm>p {
    width: 1200px;
    margin: 0 auto;
    height: 92px;
    line-height: 92px;
    color: rgb(255, 255, 255);
   padding: 0;
   font-size: 22.5px;
    margin: 0 auto;
}
.sm>ul>li {
    width: 258px;
    height: 366px;
   border: 1px solid rgb(176, 195, 124);
    float: left;
}
.sm>ul {
   width: 1200px;
   height: 100%;
   margin: 0 auto;
}
.sm>ul>li:nth-child(2) {
    margin-left: 51px;
    margin-right: 51px;
}
.sm>ul>li:nth-child(3) {
    margin-right: 51px;
}
.sm>ul>li>img {
    margin-top: 46px;
    margin-left: 67px;
    width: 98px;
    height: 98px;
}
.sm>ul>li>div>h3 {
    font-size: 22.5px;
    color: rgb(255, 255, 255);
    margin-top: 48px;
    margin-bottom: 14px;
    margin-left: 16px;
}
.sm>ul>li>div>p {
    font-size: 15px;
    margin-left: 16px;
    margin-bottom: 7px;
    color: rgb(255, 255, 255);
}









    .fotter {
        min-width: 1200px;
        height: 300px;
        background: rgb(52, 55, 58);
        margin-top: 0px;
        box-sizing: border-box;
        overflow: hidden;
    }
    .footer_box{
        width: 1200px;
        height: 300px;
        margin: 0 auto;
        padding-top: 50px;
        box-sizing: border-box;
        position: relative;
    }
    .fotter>.footer_box>ul {
        margin-left: 50px;
        height: 20px;
        display: block;
        margin-bottom: 25px;
        /* width: 1200px;  */
    }
    .fotter ul>li {
        float: left;
        margin-right: 136px;
    }
    .fotter ul>li a{
        font-size: 20px;
        color: rgb(255, 255, 255);
    }
    .tel>p:nth-child(1) {
        font-size: 16px;
        color: rgb(17, 110, 201)
    }
    .tel>p:nth-child(2) {
        font-size: 30px;
        color: rgb(17, 110, 201);
        margin-bottom: 48px;
        margin-top: 12px;
    }
    .tel>a{
        font-size: 16px;
        color:rgb(255, 255, 255);
        width: 140px;
        height: 41px;
        background: rgb(17, 110, 201);
        line-height: 41px;
        text-align: center;
        border-radius: 5px;
        margin-bottom: 56px;
        display: block;
        
    }
    .tel {
        width: 240px;
        height: 133px;
        margin-right: 300px;
        float: right;
        /* margin-top: ; */
    }
    
    
    .qrCode {
        width: 300px;
       height: 100%;;
       position: absolute;
       right: 0;
       top: 77px;
    }
    
    .qrCode p:nth-child(2) {
        width:300px;
        margin-left: 145px;
        color: rgb(255, 255, 255)
    }
    .qrCode p:nth-child(3) {
        width:300px;
        margin-left: 86px;
        color: rgb(255, 255, 255)
    }
    .qrCode img {
        margin: 0 auto;
        margin-left: 105px;
        width: 123px;
        height: 130px;
        background: rgb(255, 255, 255)
    }