.box {
    width: 100%;
    background: url(../image/bg_footer.png) no-repeat;
    background-size: 100% 100%;
}

.box .box_top {
    width: 75.67%;
    margin: auto;
    padding: 68px 0 43px 0;
    display: flex;
    justify-content: space-between;
}

.box .box_top .box_topli {
    width: 30%;

}

.box .box_top .box_topli:nth-child(2) {
    width: 51.273%;
    text-align: center;
}

.box .box_top .box_topli:nth-child(2) img {
    width: 31.047%;
}

.box .box_top .box_topli:last-child {
    border-right: 0;
}

.box .box_top .box_topli .nav {
    border-right: 1px solid #ffffff;
}

.box .box_top .box_topli .nav ul {
    display: flex;
    justify-content: start;
    flex-wrap: wrap;
}

.box .box_top .box_topli .nav ul li {
    width: 34%;
}

.box .box_top .box_topli .nav ul li a {
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 36px;
}

.box .box_top .box_topli .pdiv {
    width: 100%;
    border-left: 1px solid #ffffff;
    height: 144px;
}

.box .box_top .box_topli .pdiv .pp {
    float: right;
}

.box .box_top .box_topli .pdiv p {
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 36px;
    text-align: left;

}

.box .box_foot {
    width: 100%;
    text-align: center;
    height: 89px;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 40px;
}

@media (min-width:1920px) {
    .box .box_foot {
        width: 1903px;
        margin: auto;
    }

    .box .box_top {
        width: 1440px;
    }
}

@media (max-width:1600px) {
    .box .box_top {
        width: 78%;
    }
}

@media (max-width:1400px) {
    .box .box_top {
        width: 80%;
    }

    .box .box_top .box_topli .nav ul li a,
    .box .box_top .box_topli .pdiv p {
        font-size: 16px;
    }
}

@media (max-width:1200px) {
    .box .box_top {
        width: 85%;
    }
    .box .box_top .box_topli {
        width: 33% !important;
    }

    .box .box_top .box_topli:nth-child(2) img {
        width: 52%;
    }
}

@media (max-width:1000px) {
   
}

@media (max-width:900px) {
    .box .box_top {
        width: 90%;
    }

    .box .box_top .box_topli:nth-child(1) {
        display: none;
    }

    .box .box_top .box_topli {
        width: 45% !important;
    }
}

@media (max-width:750px) {
    .box .box_top {
        width: 95%;
    }

    .box .box_top .box_topli:nth-child(3) {
        width: 50% !important;
    }
    .box .box_foot{
        height: auto;
    }
}
@media (max-width:650px) {
    .box .box_top .box_topli:nth-child(2) {
       display: none;
    }
    .box .box_top .box_topli:nth-child(3) {
        width: 100% !important;
    }
    .box .box_top .box_topli .pdiv{
        border: 0;
    }
    .box .box_top .box_topli .pdiv .pp{
        width: 100%;
        overflow: hidden;
    }
    .box .box_top .box_topli .pdiv .pp p{
        text-align: center;
    }
}
@media (max-width:450px) {
    .box .box_top .box_topli .pdiv .pp p{
        font-size: 14px;
    }
    .box .box_foot{
        font-size: 12px;
    }
    .box .box_top{
        padding: 30px 0 10px;
    }
}