html, body, main ,p{
    padding: 0;
    margin: 0;
    color: #333;
    font-family: "微软雅黑";
    overflow-x: hidden;
}
a{
    text-decoration: none;
    color: #333;
}


.service_banner {
    width: 1200px;
    margin: 0 auto;
    height: 550px;
    color: white;
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    position: relative;
}
.service_banner_bj{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
.service_banner_bj img{
    min-width:1920px;
    height: 550px; 
}
.service_banner_bj .service_banner_sj_img{
    display: none;
}
.service_banner_main{
    width: 1200px;
    height: 550px;
    margin: 0 auto;
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
}

.service_banner_a {
    font-size: 40px;
    font-weight: 600;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service_banner_b {
    font-size: 30px;
    color: #fff;
    margin: 40px auto;
    text-align: center;
    width: 80%;
}

.service_banner_c {
    display: flex;
}

.service_banner_c span {
    padding: 0 10px;
    height: 58px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 25px;
    color: white;
    border: 2px solid white;
    border-radius: 3px;
    margin: 0 15px;
}


.service_introduce{
    width: 100%;
}

.service_introduce_title{
    width: 1200px;
    height: 170px;
    margin: 0 auto;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}

.service_introduce_title span {
    font-size: 30px;
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.service_introduce_title p {
    font-size: 16px;
    color: #999;
    text-align: center;
}

.service_introduce_main{
    width: 100%;
    background-color: #373d41;
    height: 420px;
}
.service_introduce_main_content{
    width: 1450px;
    height: 420px;
    margin: 0 auto;
    display: flex;
    background-color: white;
}
.service_introduce_main_content_one{
    width: 20%;
    height: 420px;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    position: relative;
    overflow: hidden;
}
.service_introduce_main_content_one:nth-child(1){
    background-image: url("../imgs/service_introduce_a1.png");
}
.service_introduce_main_content_one:nth-child(2){
    background-image: url("../imgs/service_introduce_b1.png");
}
.service_introduce_main_content_one:nth-child(3){
    background-image: url("../imgs/service_introduce_c1.png");
}
.service_introduce_main_content_one:nth-child(4){
    background-image: url("../imgs/service_introduce_d1.png");
}
.service_introduce_main_content_one:nth-child(5){
    background-image: url("../imgs/service_introduce_e1.png");
}

.service_introduce_main_content_one:hover .service_introduce_main_content_one_hide{
    height: 420px;
}
.service_introduce_main_content_one:hover .service_introduce_main_content_one_back{
    opacity: 0.5;
}
.service_introduce_main_content_one:hover .service_introduce_one_b{
    opacity: 1;
}
.service_introduce_main_content_one:hover .service_introduce_one_c{
    opacity: 1;
}
.service_introduce_main_content_one:hover .service_introduce_one_d{
    opacity: 1;
}


.service_introduce_main_content_one_hide{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 520px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-flow: column;
    color: white;
    z-index: 3;
    transition: all 0.25s linear;
}
.service_introduce_main_content_one_hide span{
    transition: all 0.25s linear;
}

.service_introduce_one_a{
    font-size: 20px;
    margin: 30px 0;
}
.service_introduce_one_b{
    font-size: 12px;
    opacity: 0;
}
.service_introduce_one_c{
    font-size: 12px;
    margin: 15px 0;
    opacity: 0;
}
.service_introduce_one_d{
    width: 130px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid white;
    font-size: 14px;
    margin-top: 20px;
    opacity: 0;
}


.service_introduce_main_content_one_back{
    background-color: #00b2ee;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    transition: all 0.25s linear;
}




.service_type{
    width: 1200px;
    margin: 0 auto;
}

.service_type_title{
    width: 1200px;
    height: 170px;
    margin: 0 auto;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}

.service_type_title span {
    font-size: 30px;
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.service_type_title p {
    font-size: 16px;
    color: #999;
    text-align: center;
}
.service_type_main{
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    padding-bottom: 40px;
}
.service_type_main div{
    width: 30%;
    display: flex;
    flex-flow: column;
    align-items: center;
    padding: 30px 0;
    line-height: 35px;
    font-size: 18px;
    border: 1px solid white;
}
.service_type_main div:hover{
    /*border: 1px solid #00aaff;*/
    background-color: #f5f5f5;
}
.service_type_main div img{
    margin-bottom: 20px;
}
.service_type_main div p{
    color: #999;
    width: 70%;
    font-size: 14px;
    text-align: center;
}


.service_process_sj{
    display: none;
}

/*
.service_process {
    width: 1200px;
    margin: 0 auto;
    height: 630px;
    color: white;
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    position: relative;
}
.service_process_bj{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
.service_process_bj img{
    min-width:1920px;
    height: 630px; 
}

.service_process_title{
    position: absolute;
    left: 0;
    top: 0;
    width: 1200px;
    height: 170px;
    margin: 0 auto;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.service_process_title span {
    font-size: 30px;
    color: white;
    font-weight: 600;
    margin-bottom: 10px;
}
.service_process_title p {
    color: white;
}
*/
.service_cooperation{
    width: 1200px;
    margin: 0 auto;
}

.service_cooperation_title{

    width: 1200px;
    height: 170px;
    margin: 0 auto;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}

.service_cooperation_title span {
    font-size: 30px;
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}
.service_cooperation_title p {
    color: #999;
}


.service_cooperation_main{
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    padding-bottom: 50px;
}
.service_cooperation_main section{
    width: 230px;
    height: 125px;
    display: flex;
    justify-content:center;
    align-items: center;
    background-color: #f6f6f6;
    margin-bottom: 12px;
}


.service_case{
    width: 100%;
    background-color: #f5f5f5;
}

.service_case_title{
    width: 1200px;
    height: 170px;
    margin: 0 auto;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}

.service_case_title span {
    font-size: 30px;
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}
.service_case_title p {
    color: #999;
}



.service_case_main{
    width: 1200px;
	width: 1260px;	/*2019-02-14*/
    margin: 0 auto;
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    justify-content: space-around;	/*2019-02-14*/
    padding-bottom: 20px;
}
.service_case_main a{
    width: 372px;
    width: 295px;	/*2019-02-14*/
    /*height: 230px;*/
    text-decoration: none;
    display: flex;
    margin-bottom: 20px;
    box-shadow: 0 5px 10px 0 #bbb;
    border-radius: 3px;
    transition: all 0.5s;
}
.service_case_main a img{
    width: 100%;
    height: 100%;
    border-radius: 4px;
    transition: all 0.5s;
}
.service_case_main a:hover img{
     /*transition: all 0.5s;*/
    transform: scale(1.05,1.05);
    box-shadow: 0 5px 10px 0 #ff7a7a;
}



@media screen and ( max-width:750px ) {
    .service_banner{
        width: 100%;
        height: 100%;
        margin: 0 auto;
    }
    .service_banner_bj{
        width: 100%;
        height: 100%;
    }
    .service_banner_bj img{
        display: none;
    }
    .service_banner_bj .service_banner_sj_img{
        display: block;
        width: 100%;
        height: 100%;
        min-width: 100%;
    }
    .service_banner_main{
        width: 100%;
        height: 100%;
    }
    .service_banner_a{
        font-size: 18px;
    }
    .service_banner_c{
        display: none;
    }
    .service_banner_b{
        font-size: 10px;
        margin: 20px auto 0;
    }
    .service_introduce_title{
        width: 100%;
        margin: 0 auto;
        height: 50px;
    }
    .service_introduce_title span{
        font-size: 16px;
        margin: 0;
    }
    .service_introduce_title p{
        display: none;
    }
    .service_introduce_main{
        height: 100%;
        background-color: white;
    }
    .service_introduce_main_content{
        width: 92%;
        height: 100%;
        margin: 0 auto;
        display: flex;
        flex-flow: column;
        align-items: center;
    }
    .service_introduce_main_content_one{
        width: 100%;
        height: 150px;
        margin: 0 auto 5px;
        display: block;
    }
    .service_introduce_main_content_one:nth-child(1){
        background-image: url("../imgs/service_introduce_sj_a.png");
    }
    .service_introduce_main_content_one:nth-child(2){
        background-image: url("../imgs/service_introduce_sj_b.png");
    }
    .service_introduce_main_content_one:nth-child(3){
        background-image: url("../imgs/service_introduce_sj_c.png");
    }
    .service_introduce_main_content_one:nth-child(4){
        background-image: url("../imgs/service_introduce_sj_d.png");
    }
    .service_introduce_main_content_one:nth-child(5){
        background-image: url("../imgs/service_introduce_sj_e1.png");
    }
    .service_introduce_main_content_one:hover .service_introduce_main_content_one_hide{
        height: 150px;
    }
    .service_introduce_main_content_one:hover .service_introduce_main_content_one_back{
        opacity:0;
    }
    .service_introduce_main_content_one:hover .service_introduce_one_b{
        opacity: 1;
    }
    .service_introduce_main_content_one:hover .service_introduce_one_c{
        opacity: 1;
    }
    .service_introduce_main_content_one:hover .service_introduce_one_d{
        opacity: 1;
    }
    .service_introduce_main_content_one_hide{
        height: 100%;
        position: relative;
    }
    .service_introduce_main_content_one_hide img{
        display: none;
    }
    .service_introduce_one_a{
        margin: 0;
        font-size: 16px;
    }
    .service_introduce_one_b{
        opacity: 1;
        font-size: 10px;
        margin: 20px 0 10px ;
    }
    .service_introduce_one_c{
        opacity: 1;
        margin: 0;
        font-size: 10px;
    }
    .service_introduce_one_d{
        display: none;
    }

    .service_type{
        width: 100%;
    }
    .service_type_title{
        height: 50px;
        width: 100%;
        padding-top: 10px;
    }
    .service_type_title span{
        font-size: 16px;
        margin: 0;
    }
    .service_type_title p{
        display: none;
    }
    .service_type_main{
        width: 92%;
        margin: 0 auto;
		padding-bottom: 0;
    }
    .service_type_main div{
        width: 50%;
        padding: 20px 0;
        font-size: 16px;
        line-height: 15px;
    }
    .service_type_main div img{
        margin: 0;
        width: 30px;
        height: 30px;
    }
    .service_type_main div span{
        margin: 15px 0 10px;
    }
    .service_type_main div p{
        font-size: 10px;
        width: 94%;
    }
	/*
    .service_process{
        display: none;
    }
	
    .service_process_sj{
        display: block;
        background-image: url("../imgs/service_process_sj_banner.png");
        background-repeat: no-repeat;
        background-size: 100% 100%;
    }
    .service_process_sj_title{
        height: 100px;
        display: flex;
        flex-flow: column;
        align-items: center;
        justify-content: center;
    }
    .service_process_sj_title span{
        font-size: 14px;
        color: white;
    }
    .service_process_sj_title p{
        font-size: 9px;
        color: #999;
        margin-top: 10px;
    }
    .service_process_sj_main{
        width: 92%;
        display: flex;
        justify-content: space-between;
        margin: 0 auto;
        font-size: 12px;
        color: white;
        padding-bottom: 50px;
    }
    .service_process_sj_main section {
        display: flex;
        flex-flow: column;
        justify-content: flex-start;
        align-items: center;
        min-width: 55px;
    }
    .service_process_sj_main section img{
        width: 55px;
        height: 55px;
        margin-bottom: 10px;
    }
    .service_process_sj_main div{
        width: 55px;
        height: 55px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .service_process_sj_main div img{
        width: 15px;
        height: 15px;
    }
    */
    .service_cooperation{
        width: 100%;
    }
    .service_cooperation_title{
        width: 100%;
        height: 70px;
    }
    .service_cooperation_title span {
        margin: 0;
        font-size: 16px;
    }
    .service_cooperation_title p{
        display: none;
    }
    .service_cooperation_main{
        width: 96%;
        margin: 0 auto;
        padding: 0 0 10px 0;
    }
    .service_cooperation_main section{
        width: 32%;
        height: 100%;
    }
    .service_cooperation_main section:nth-child(10){
        display: none;
    }

    .service_case{
        width: 100%;
    }
    .service_case_title{
        width: 100%;
        height: 60px;
    }
    .service_case_title span{
        font-size: 16px;
    }
    .service_case_title p{
        display: none;
    }
    .service_case_main{
        width: 90%;
        margin: 0 auto;
    }
    .service_case_main a{
        width: 46%;
    }
    
}