.business_all {
    display: flex;
    flex-wrap: wrap;
    margin: 75px 0 20px;
}

.business_one {
    width: 32.5%;
    margin-right: 1%;
    background-color: #F9F9F9;
    margin-bottom: 60px;
}

.business_one_bottom {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.bus_one_line {
    width: 50px;
    height: 2px;
    background: #0042FF;
}

.business_one_top {
    overflow: hidden;
}

.business_one_top img {
    width: 100%;
    transition: all 0.5s ease-in-out;
}

.bus_one_desc {
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000000;
    margin-top: 15px;
}

.business_one:hover .business_one_top img {
    transform: scale(1.09);
    transition: all 0.5s ease-in-out;
}




.bus_info_all {
    background-color: #FAFAFA;
}

.bus_info_body {
    padding-top: 58px;
    padding-bottom: 58px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.bus_info_left {
    background-color: white;
    width: 80%;
    padding: 0 50px 70px;
}

.bi_left_tit {
    text-align: center;
    padding: 45px 0;
    border-bottom: 1px solid #DBDBDB;
}

.bus_left_desc {
    padding: 60px 0 60px;
    border-bottom: 1px solid #DBDBDB;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    line-height: 30px;
}

.return_back_all {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.return_back {
    background-color: #0042FF;
    width: 150px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 14px;
    color: #FFFFFF;
    overflow: hidden;
}

.return_back span {
    display: block;
    transition: .5s;
    position: relative;
    top: 0;
}

.return_back:hover span {
    top: -100%;
    transition: all 0.5s ease-in-out;
}

.bus_info_right {
    width: 20%;
    flex-shrink: 0;
    background-color: white;
    margin-left: 24px;
    padding: 28px 22px 5vw;
}

.bi_right_tit {
    font-size: 24px;
    font-weight: bold;
    position: relative;
    color: #333333;
    padding-left: 13px;
}

.bi_right_tit::before {
    content: " ";
    position: absolute;
    left: 0%;
    top: 50%;
    transform: translate(0, -50%);
    width: 4px;
    height: 67%;
    background-color: #0042FF;
}

.bi_right_tit_all {
    padding-bottom: 20px;
    border-bottom: 1px solid #DBDBDB;
}

.bi_right_list {
    margin-top: 20px;
}

.bi_right_list_one {
    position: relative;
    display: block;
    padding: 15px 0;
    color: #333333;
    font-size: 16px;
    border-bottom: 1px solid #DBDBDB;
}

.bi_right_list_one::after {
    content: " ";
    width: 0%;
    height: 1px;
    background-color: #0042FF;
    opacity: 0;
    position: absolute;
    left: 0;
    bottom: 0;
    transition: .5s;
}

.bi_right_list_one:hover::after {
    opacity: 1;
    width: 100%;
    transition: .5s;
}

.bi_right_list_one:hover {
    color: #0042FF;
}

.bus_left_desc_all {
    margin: 0 0 30px;
}

.img_gu {
    display: flex;
    flex-wrap: wrap;
}

.img_gu_img {
    overflow: hidden;
    width: 49.25%;
    margin-right: 1.5%;
    margin-bottom: .8vw;
    max-height: 340px;
    background: no-repeat center/cover;
}

.img_gu {
    margin-bottom: 0px;
}

.m_img1 {
    opacity: 0;
}

@media(min-width:1024px) {
    .business_one:nth-child(3n) {
        margin-right: 0;
    }
    .img_gu_img:nth-child(2n) {
        margin-right: 0;
    }
}

@media(max-width:1024px) {
    .business_one:nth-child(2n) {
        margin-right: 0;
    }
    .business_one {
        width: 48%;
        margin-right: 4%;
        margin-bottom: 15px;
    }
    .business_all {
        margin: 30px 0;
    }
    .business_one_bottom {
        
        padding: 0.5rem;
    }
    .bus_one_desc {
        margin-top: 5px;
        font-size: 13px;
        
        font-family: Microsoft YaHei UI-Regular, Microsoft YaHei UI;
    }
    .bus_one_line {
        
        width: 1.05rem;
    }
    .bus_info_right {
        display: none;
    }
    .bus_info_left {
        width: 100%;
        padding: 0 15px 30px;
    }
    .bus_info_body {
        padding-top: 30px;
        padding-bottom: 40px;
    }
    .bi_left_tit {
        
        padding: .3rem 0;
        font-size: 0.45rem;
    }
    .bi_left_tit h3 {
        font-size: 18px;
        
    }
    .bus_left_desc {
        padding: 20px 0 33px;
        line-height: 24px;
        font-size: 13px;
        text-indent: 2em;
    }
    .return_back_all {
        margin-top: 25px;
    }
    .return_back {
        font-size: 13px;
        width: 140px;
        height: 40px;
        line-height: 40px;
    }
    .img_gu_img {
        width: 100%;
        margin-right: 0;
        height: auto;
        max-width: 100%;
        margin-bottom: 10px;
        
    }
    .bus_left_desc_all {
        margin-bottom: 20px;
    }
    .m_img1 {
        opacity: 0;
    }
}