body {
    background-color: #f7f8f9;
}

.mid {
    position: relative;
    /* width: 1920px; */
    margin: 0 auto;
}

/* .mid::before {
    content: "";
    width: 1px;
    height: 75%;
    background-color: #c7c7c7;
    position: absolute; */
/* bottom: 50%; */
/* z-index: 1;
    top: 195px;
    left: 391px;
} */

/* .line {
    width: 70rem;
    margin: -175rem AUTO 20rem;
    height: 160rem;
    border-left: 1px solid #c7c7c7;
} */

.solution_detail_top {
    overflow: hidden;
    /*height: 575px;*/
    width: 100%;
    margin: 0 auto;
    background-color: #ddd;
    background: url(../images/detail_banner.png) no-repeat;
    background-size: 100%;
}

.solution_detail_top_text {
    color: #fff;
    width: 985px;
    margin: 14% auto;
}

.solution_detail_top h4 {
    font-size: 22px;
    position: relative;
    font-weight: 400;
}

.solution_detail_top h4::before {
    content: "";
    width: 1px;
    height: 200%;
    background-color: #0cacf4;
    position: absolute;
    bottom: 50%;
    z-index: 1;
    top: 0px;
    left: -68px;
}

.solution_detail_top h3 {
    margin-top: 20px;
    font-size: 50px;
    font-weight: 400
}

.solution_detail_mid {
    width: 985px;
    margin-top: 120px;
}

.solution_detail_mid h3 {
    font-size: 22px;
    margin-top: 30px;
    color: #44a8f2;
    font-weight: 400;
    position: relative;
}

.solution_detail_mid h3::before {
    content: "";
    width: 1px;
    height: 200%;
    background-color: #0cacf4;
    position: absolute;
    bottom: 50%;
    z-index: 1;
    top: 0px;
    left: -68px;
}


.solution_detail_mid p {
    width: 100%;
    font-size: 14px;
    margin-top: 20px;
    color: #959595;
}

.solution_detail_mid_list {
    overflow: hidden;
    margin: 50px auto 0px;
    width: 1130px;
}

.solution_detail_mid_list .list {
    position: relative;
    float: left;
    margin: 30px 40px 30px 68px;
    width: 40%;
    height: 225px;
}

.solution_detail_mid_list .list::after {
    position: absolute;
    z-index: 100;
    left: 20px;
    right: 0;
    bottom: 0;
    height: 1px;
    content: ' ';
    background: #dbdbdb;
}

.solution_detail_mid_list .list:nth-last-child(2) {
    border-bottom: 1px solid #f7f8f9;
}

.solution_detail_mid_list .list:last-child {
    border-bottom: 1px solid #f7f8f9;
}

.solution_detail_mid_list .list h3 {
    font-size: 22px;
    margin-bottom: 30px;
    color: #595757;
    font-weight: 400;
    margin-left: 20px;

}

.solution_detail_mid_list .list ul {
    /* height: 20PX; */
    width: 100%;
    font-size: 14px;
    color: #595757;
    margin-left: 40px;
}

.solution_detail_mid_list .list ul li {
    list-style-type: disc;
    font-size: 14px;
    margin-bottom: 3px;
    word-wrap: break-word;
    padding-left: 10px;
    text-indent: -15px;
    width: 86%;
}

.solution_detail_mid_img {
    margin-top: -10px;
}

.solution_detail_mid_img_top {
    font-size: 22px;
    height: 80px;
    position: relative;
    width: 985px;
    margin: 65px auto;
}

.solution_detail_mid_img_top::before {
    content: "";
    width: 1px;
    height: 70%;
    background-color: #0cacf4;
    position: absolute;
    bottom: 50%;
    z-index: 1;
    top: -10px;
    left: -68px;
}


.solution_detail_mid_img_top::after {
    content: "";
    width: 1px;
    /* height: 132rem; */
    background-color: #c7c7c7;
    position: absolute;
    bottom: 50%;
    top: -26rem;
    left: -68px;
}

.solution_detail_mid_img p {
    margin-top: 100px;
    text-align: center;
}

.solution_detail_mid_bottom {
    overflow: hidden;

}

.solution_detail_mid_bottom ul {
    margin: 0 auto 160px;
    padding-top: 160px;
    overflow: hidden;
}

.solution_detail_mid_bottom ul li {
    float: left;
    width: 424px;
    height: 457px;
    margin-right: 19px;
    background-color: #fff;
    box-shadow: 0 0 3px #ddd;
    position: relative;
    z-index: 999;
}

.solution_detail_mid_bottom ul li:hover {
    -webkit-transform: translate(0, -10px);
    -moz-transform: translate(0, -10px)
}

.solution_detail_mid_bottom ul li {
    transition: all .2s ease-in-out;
    -webkit-transition: all .2s ease-in-out;
    -moz-transition: all .2s ease-in-out;
    -ms-transition: all .2s ease-in-out;
    -o-transition: all .2s ease-in-out;
}

.solution_detail_mid_bottom ul li:hover {
    transition: all .2s ease-in-out;
    -webkit-transition: all .2s ease-in-out;
    -moz-transition: all .2s ease-in-out;
    -ms-transition: all .2s ease-in-out;
    -o-transition: all .2s ease-in-out;
}


.solution_detail_mid_bottom ul li .img {
    height: 260px;
    width: 90%;
    border-bottom: 1px solid #e7e7e7;
    margin-left: 15px;
}

.solution_detail_mid_bottom ul li .img img {
    width: 250px;
    height: 170px;
    margin: 44px 32px;
}

.solution_detail_mid_bottom ul li h3,
.solution_detail_mid_bottom ul li h4 {
    font-size: 18px;
    margin: 0 40px;
    font-weight: 400;
    color: #1d1d1d;
}

.solution_detail_mid_bottom ul li h3 {
    margin-top: 50px;
    color: #1d1d1d;

}

.solution_detail_mid_bottom ul li .a {
    display: block;
    font-size: 14px;
    margin-left: 40px;
    margin-top: 20px;
    width: 100px;
    position: relative;
    color: #1d1d1d !important;
}

.solution_detail_mid_bottom ul li .a {
    position: relative;
}

.solution_detail_mid_bottom ul li .line {
    width: 10px;
    height: 1px;
    background-color: #0d57a7;
    position: absolute;
    bottom: 50%;
    z-index: 1;
    top: 26px;
    transition: width 0.5s linear;
}

.a:hover .line {
    width: 60px;
}

@media screen and (max-width:1600px) {

    /* .line {
        width: 70rem;
        margin: -178rem AUTO 20rem;
        height: 160rem;
    } */


}

@media screen and (max-width:1366px) {
    body {
        /* background-color: lightblue; */
        overflow-x: hidden;

    }

    .solution_detail_top h4::before,
    .solution_detail_mid_img_top::before,
    .solution_detail_mid h3::before {
        left: -70px;
    }

    .solution_detail_mid_img_top::after {
        left: -70px;
    }

    .mid {
        width: 100%;
    }

    .footer {
        width: 1366px;
        margin: 0 auto;
    }

}

@media screen and (max-width:1200px) {
    body {
        /* background-color: lightblue; */
        overflow: scroll;

    }

    /* .line {
        width: 70.2rem;
        margin: -181rem AUTO 20rem;
        height: 160rem;
    } */


}

@media screen and (max-width:1000px) {
    .w1000{
        width: 100%;
    }
}

@media all and (max-width: 768px){
    .solution_detail_top{
        margin-top: 0;
    }
    .solution_detail_top{
        background-size: 100% 100%;
        height: 175px;
        background-position: center;
    }
    .solution_detail_top_text{
        width: unset;
        margin-top: 35px;
    }
    .spc-text,.solution_detail_top_text h3,.solution_detail_mid_img p, .solution_detail_mid p, .solution_detail_mid_list .list{
        margin-left: 12%;
    }
    .solution_detail_top h3{
        margin-top: 10px;
        margin-right: 10px;
        font-size: 25px;
    }
    .solution_detail_mid_img p img{
        max-width: 100%;
    }
    .solution_detail_mid p {
        max-width: 85%;
    }

    .w1300, .solution_detail_mid_list, .solution_detail_mid_bottom ul{
        width: 100%;
    }
    .solution_detail_mid_bottom ul{
        margin-top: 20px;
    }

    .solution_detail_mid_bottom ul li{
        float: unset;
        width: 85%;
        margin:20px auto;
    }

    .solution_detail_mid_list .list{
        max-width: 85%;
    }
    .solution_detail_mid_list .list h3{
        margin-left: 0;
    }

    .solution_detail_top h4::before, .solution_detail_mid_img_top::before, .solution_detail_mid h3::before, .solution_detail_mid_img_top::after{
        left: 8%;
    }
    .solution_detail_mid_img_top::after{
        top: -158px;
    }
    .solution_detail_mid_img_top{
        width: unset;
    }
}