body {
        background: #fff;
    }
    
    .proban {
        width: 100%;
    }
    
    .proban img {
        width: 100%;
    }
    
    .box {
        width: 100%;
        box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.13);
    }
    
    .pro-nav {
        width: 100%;
        max-width: 1440px;
        margin: auto;
    }
    
    .pro-nav p {
        line-height: 61px;
        font-size: 16px;
        color: #999999;
    }
    
    .pro-nav p span a {
        line-height: 61px;
        font-size: 16px;
        color: #999999;
    }
    
    .pro-nr {
        width: 100%;
        max-width: 1440px;
        margin: auto;
        margin-top: 98px;
    }
    
    .pro-nr h3 {
        position: relative;
        font-size: 30px;
        line-height: 24px;
        letter-spacing: 0px;
        color: #313131;
        font-weight: 600;
    }
    
    .pro-nr h3::before {
        content: "";
        width: 172px;
        height: 13px;
        background-color: #3d7ad7;
        position: absolute;
        bottom: -54%;
        left: .5%;
    }
    
    .pro-nr span {
        position: relative;
    }
    
    .pro-nr h6 {
        margin-top: 19px;
        font-size: 18px;
        color: #898989;
    }
    
    .pro-fa {
        width: 100%;
        margin-top: 56px;
    }
    
    .pro-fa ul {
        display: flex;
        justify-content: space-between;
    }
    
    .pro-fa ul li {
        width: 49.7%;
        background-color: #ffffff;
        border: solid 1px #f3f3f3;
    }
    .pro-fa ul li img{
        transition: .5s;
    }
    .pro-fa ul li:hover>div img{
        transform: scale(1.2);
    }
    .pro-fa ul li h6 {
        text-align: center;
        margin-top: 46px;
        font-size: 26px;
        color: #015ca5;
    }
    
    .pro-fa ul li p {
        margin-top: 24px;
        font-size: 14px;
        color: #999999;
        text-align: center;
    }
    
    .ckgd {
        display: flex;
        justify-content: space-around;
        position: relative;
        width: 178px;
        height: 40px;
        background-color: #ffffff;
        border: solid 1px #e3e6f8;
        text-align: center;
        line-height: 40px;
        margin: auto;
        margin-top: 39px;
        margin-bottom: 43px;
        color: #015ca5;
    }
    
    .ckgd:hover {
        background-color: #015ca5;
        color: #fff;
        transition: 1s;
    }
    .ckgd .img1{
        position: absolute;
        top: 45%;
        right: 13%;
    }
    .ckgd .img2{
        position: absolute;
        top: 45%;
        right: 13%;
        display: none;
    }
    .ckgd:hover .img2{
        display: block !important;
    }
    footer {
        margin-top: 80px;
    }
    
    @media (max-width:1560px) {}
    
    @media (max-width:1440px) {
        .pro-nav {
            padding: 0 20px;
        }
        .pro-nr {
            padding: 0 30px;
        }
    }
    
    @media (max-width:1199px) {
        .top {
            display: none;
        }
        .pro-nr {
            margin-top: 5%;
        }
    }
    
    @media (max-width:990px) {}
    
    @media (max-width:767px) {
        .pro-nr h3 {
            font-size: 26px;
            text-align: center;
        }
        .pro-nr h6 {
            margin-top: 3%;
            font-size: 14px;
            text-align: center;
        }
        .pro-nr h3::before {
            display: none;
        }
        .pro-nr {
            margin-top: 6.5%;
        }
        .pro-fa {
            margin-top: 0;
        }
        .pro-fa ul {
            display: flex;
            flex-wrap: wrap;
        }
        .pro-fa ul li {
            width: 100%;
            margin-top: 5%;
        }
        .pro-fa ul li h6 {
            margin-top: 21px;
            font-size: 24px;
        }
        .pro-fa ul li p {
            margin-top: 13px;
            font-size: 13px;
        }
        .ckgd {
            margin-top: 12px;
            margin-bottom: 28px;
        }
        .pro-nav p {
            font-size: 14px;
        }
        .pro-nav p span a{
            font-size: 14px;
        }
    }