html, body, main, p {
    padding: 0;
    margin: 0;
    color: #333;
    font-family: "微软雅黑";
}

.main {}

.app {
    overflow-x: hidden;
}

.app_banner {
    width: 1200px;
    margin: 0 auto;
    height: 550px;
    color: white;
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    position: relative;
}
.app_banner_bj{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
.app_banner_bj img{
    min-width:1920px;
    height: 550px; 
}
.app_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;
}

.app_banner_a {
    font-size: 50px;
    font-weight: 600;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app_banner_b {
    font-size: 30px;
    font-weight: 600;
    color: #17e7fb;
    margin: 30px 0;
}

.app_banner_c {
    display: flex;
}

.app_banner_c span {
    width: 230px;
    height: 58px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 25px;
    color: white;
    border: 2px solid white;
    border-radius: 3px;
    margin: 0 20px;
}

.app_programme {
    width: 1200px;
    margin: 0 auto 40px;
}

.app_programme_title {
    height: 220px;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}

.app_programme_title span {
    font-size: 26px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.app_programme_title p {
    width: 790px;
    font-size: 14px;
    color: #666;
    text-align: center;
}

.app_programme_main {
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
}

.app_programme_main a {
    width: 290px;
    height: 240px;
    text-decoration: none;
    color: white;
    display: flex;
    font-size: 20px;
    position: relative;
    margin-bottom: 20px;
}
.app_programme_main a:hover i{
    opacity: 0;
}
.app_programme_main a:hover span{
    opacity: 0;
}

.app_programme_main a i {
    width: 100%;
    height: 100%;
    opacity: 0.8;
    transition: all 1s;
}

.app_programme_main a>span {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: all 1s;
}
.app_programme_main a span  span{
    transition: all 1s;
}
.app_programme_main_a {
    background-image: url("../imgs/app_programme_a.png")
}

.app_programme_main_a i {
    background-color: #33c2d0;
}

.app_programme_main_b {
    background-image: url("../imgs/app_programme_b.png")
}

.app_programme_main_b i {
    background-color: #3edae8;
}

.app_programme_main_c {
    background-image: url("../imgs/app_programme_c.png")
}

.app_programme_main_c i {
    background-color: #5e87dd;
}

.app_programme_main_d {
    background-image: url("../imgs/app_programme_d.png")
}

.app_programme_main_d i {
    background-color: #f5a143;
}

.app_programme_main_e {
    background-image: url("../imgs/app_programme_e.png")
}

.app_programme_main_e i {
    background-color: #43c958;
}

.app_programme_main_f {
    background-image: url("../imgs/app_programme_f.png")
}

.app_programme_main_f i {
    background-color: #f86b6b;
}

.app_programme_main_g {
    background-image: url("../imgs/app_programme_g.png")
}

.app_programme_main_g i {
    background-color: #45b8d9;
}

.app_programme_main_h {
    background-image: url("../imgs/app_programme_h.png")
}

.app_programme_main_h i {
    background-color: #f27373;
}



.app_problem {
    width: 1200px;
    margin: 0 auto;
    height: 875px;
    color: white;
    position: relative;
}

.app_problem_bj{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
.app_problem_bj img{
    min-width:1920px;
    height: 875px; 
}

.app_problem_div{
    position: absolute;
    width: 1200px;
    height: 875px;
    left: 0;
    top: 0;
}

.app_problem_title {
    width: 1200px;
    margin: 0 auto;
    height: 270px;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.app_problem_title img {
    margin-bottom: 30px;
}

.app_problem_main {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-flow: wrap;
}

.app_problem_main section {
    width: 50%;
    display: flex;
    flex-flow: column;
    align-items: center;
    margin-bottom: 60px;
}

.app_problem_main section img {
    width: 90px;
    height: 90px;
}

.app_problem_main section span {
    margin: 30px 0 35px 0;
    font-size: 24px;
}

.app_problem_main section p {
    color: #dadada;
    font-size: 16px;
    width: 300px;
}

.app_service {
    width: 1200px;
    margin: 0px auto 40px;
}

.app_service_title {
    height: 200px;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}

.app_service_title span {
    font-size: 26px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.app_service_title p {
    width: 790px;
    font-size: 14px;
    color: #666;
    text-align: center;
}

.app_service_main {
    height: 390px;
    display: flex;
    justify-content: space-between;
}

.app_service_main_left {
    width: 23%;
    border-radius: 10px;
    box-shadow: 0 0 30px 0 #ccc;
}

.app_service_main_left_title {
    height: 55px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    background-color: #7373ed;
    color: white;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app_service_main_left_content {
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.app_service_main_left_content p {
    width: 80%;
    margin: 0 auto;
    line-height: 80px;
    font-size: 18px;
    color: #666;
}

.app_service_main_center {
    width: 50%;
    border-radius: 10px;
    box-shadow: 0 0 30px 0 #ccc;
}

.app_service_main_center_title {
    height: 55px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    background-color: #ff6464;
    color: white;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app_service_main_center_main {
    height: calc(100% - 55px);
    display: flex;
    flex-flow: wrap;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.app_service_main_center_main div {
    width: 50%;
    height: 50%;
    box-sizing: border-box;
    border: 1px solid white;
    display: flex;
    flex-flow: column;
    justify-content: center;
}

.app_service_main_center_main div span {
    font-weight: 600;
    color: rgb(107, 107, 107);
    text-align: center;
    font-size: 18px;
}

.app_service_main_center_main div p {
    width: 90%;
    margin: 0 auto;
    line-height: 40px;
    font-size: 18px;
    color: #666;
}

.app_service_main_right {
    width: 22%;
    border-radius: 10px;
    box-shadow: 0 0 30px 0 #ccc;
}

.app_service_main_right_title {
    height: 55px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    background-color: #00b3a1;
    color: white;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.app_service_main_right_content {
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.app_service_main_right_content p {
    width: 80%;
    margin: 0 auto;
    line-height: 80px;
    font-size: 18px;
    color: #666;
}

.app_contrast{
    width: 1200px;
    height: 750px;
    position: relative;
    margin: 0 auto;
}

.app_contrast_bj{
    width: 1200px;
    height: 750px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
.app_contrast_bj img{
    min-width:1920px;
    height: 750px; 
}
.app_contrast_div{
    position: absolute;
    width: 1200px;
    height: 750px;
    left: 0;
    top: 0;
}
.app_contrast_main{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}
.app_vs_img{
    position: absolute;
    top: calc(50% - 175px);
    left: calc(50% - 175px);
}


.app_contrast_main>div{
    height: 17%;
    display: flex;
    justify-content: space-between;
}
.app_contrast_main .app_contrast_main_title{
    height: 15%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 26px;
    font-weight: 600;
}
.app_contrast_main_title span{
    width: 30%;
    text-align: center;
}
.app_contrast_main_title span:nth-child(1){
    color: white;
}

.app_contrast_main>div>section span{
    font-size: 20px;
}
.app_contrast_main>div>section:nth-child(1){
    color: white;
}
.app_contrast_main>div section{
    display: flex;
    flex-flow: column;
    justify-content: center;
    border-bottom: 1px solid rgb(167, 167, 167);
}

.app_contrast_main .app_contrast_main_e section{
    border: none;
}

.app_contrast_main>div section:nth-child(2){
    align-items: flex-end;
}
.app_contrast_main>div section span{
    display: flex;
    align-items: center;
}
.app_contrast_main>div>section p{
    color: #494949;
    font-size: 16px;
}
.app_contrast_main>div>section:nth-child(1) p{
    color: #e8e8e8;
}

.app_contrast_main_a section:nth-child(1){
    width: 30%;
}
.app_contrast_main_a section{
    width: 51%
}
.app_contrast_main_b section:nth-child(1){
    width: 39%;
}
.app_contrast_main_b section{
    width: 42%
}
.app_contrast_main_c section:nth-child(1){
    width: 48%;
}
.app_contrast_main_c section{
    width: 33%
}
.app_contrast_main_d section:nth-child(1){
    width: 57%;
}
.app_contrast_main_d section{
    width: 24%
}
.app_contrast_main_e section:nth-child(1){
    width: 60%;
}
.app_contrast_main_e section{
    width: 20%
}

.app_contrast_sj{
    display: none;
}

.app_case{
    width: 1200px;
    margin: 0 auto;
}
.app_case_title{
    height: 200px;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #666;
}
.app_case_title span:nth-child(1){
    font-size: 26px;
    color: #333;
}
.app_case_title_xian{
    width: 80%;
    height: 1px;
    background-color: #ddd;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}
.app_case_title_xian i{
    width: 200px;
    height: 2px;
    background-color:red;
}
.app_case_main{
	width: 1260px;	/*2019-02-14*/
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    justify-content: space-around;	/*2019-02-14*/
}
.app_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: 4px;
    transition: all 0.5s;
}
.app_case_main a img{
    width: 100%;
    height: 100%;
    border-radius: 4px;
    transition: all 0.5s;
    box-shadow: 0 5px 10px 0 #bbb;
}
.app_case_main a:hover img{
     /*transition: all 0.5s;*/
    transform: scale(1.05,1.05);
    box-shadow: 0 5px 10px 0 #ff7a7a;
}


.app_news{
    width: 100%;
    background-color: #0e83b7;
    color: white;
    font-size: 14px;
    margin-top: 20px;
}
.app_news_main{
    width: 1200px;
    margin: 0 auto;
}
.app_news_main_title{
    height: 120px;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.app_news_main_title section:nth-child(1){
    font-size: 26px;
    margin-bottom: 10px;
}
.app_news_main_title section{
    width: 80%;
    margin: 0 auto;
    text-align: center;
}

.app_news_main_list{
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
}
.app_news_main_list a{
    font-size: 15px;
    color: white;
    text-decoration: none;
    width: 45%;
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
}
.app_news_main_list a img{
    margin-right: 8px;
}
.app_news_main_list a span{
    display: flex;
    align-items: center;
    min-width: 85px;
}
.app_news_main_list a span span{
    height: 26px;
    overflow: hidden;
    display: flex;
    align-items: flex-start;
}
.app_news_main_list a span:nth-child(2){
    justify-content: flex-end;
}
.app_news_main_go_news{
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 10px 0 30px;
}
.app_news_main_go_news a{
    border-radius: 5px;
    height: 40px;
    width: 120px;
    background-color: #023c5a;
    color: white;
    text-decoration: none;
    /*margin-right: 45px;*/
    display: flex;
    justify-content: center;
    align-items: center;
}




@media screen and ( max-width:750px ) {
    .app_banner{
        width: 100%;
        height: 215px;
    }
    .app_banner_bj{
        width: 100%;
        height: 215px;
        overflow: hidden;
    }
    .app_banner_bj img{
        width: 750px;
        height: 215px;
        min-width: 750px;
    }
    .app_banner_main{
        width: 100%;
        height: 215px;
    }
    .app_banner_a{
        font-size: 25px;
    }
    .app_banner_b{
        display: none;
    }
    .app_banner_c{
        width: 100%;
        justify-content: space-around;
        margin-top: 30px;
    }
    .app_banner_c span {
        font-size: 12px;
        width: 30%;
        padding: 0;
        margin: 0;
        height: 30px;
        border: 1px solid white;
    }
    .app_programme{
        width: 100%;
        margin-bottom: 20px;
    }
    .app_programme_title{
        height: 120px;
        font-size: 25px;
    }
    .app_programme_title span{
        margin: 0;
    }
    .app_programme_title p{
        display: none;
    }
    .app_programme_main{
        flex-flow: wrap;
        width: 90%;
        margin: 0 auto;
    }
    .app_programme_main>a{
        width: 46%;
        height: 130px;
        background-repeat: no-repeat;
        background-size: 100% 100%;
    }
    .app_problem{
        width: 100%;
        height: 340px;        
    }
    .app_problem_bj{
        width: 100%;
        height: 340px;
        overflow: hidden;
    }
    .app_problem_bj img{
        width: 750px;
        min-width: 750px;
        height: 340px;
    }
    .app_problem_div{
        width: 100%;
        height: 340px;
    }
    .app_problem_title{
        width: 100%;
        height: 100px;
        font-size: 24px;
    }
    .app_problem_title img{
        /* margin: 0; */
        display: none;
    }
    .app_problem_main{
        width: 100%;
    }
    .app_problem_main section {
        margin-bottom: 40px;
    }
    .app_problem_main section img {
        width: 50px;
        height: 50px;
    }
    .app_problem_main section span {
        margin: 0;
        font-size: 18px;
        margin-top: 5px;
    }
    .app_problem_main section p {
        display: none;
    }
    .app_service{
        width: 100%;
        margin-bottom: 20px;
    }
    .app_service_title{
        width: 100%;
        height: 100px;
    }
    .app_service_title span {
        font-size: 24px;
        margin: 0;
    }
    .app_service_title p {
        display: none;
    }
    .app_service_main{
        flex-flow: column;
        align-items: center;
        height: 100%;
    }
    .app_service_main>div{
        width: 90%;
        margin-bottom: 20px;
    }
    .app_service_main p{
        line-height: 40px;
    }
    .app_service_main_center_main>div{
        box-sizing: border-box;
        padding: 10px;
    }
    .app_service_main_center_main div span{
        padding: 10px 0;
    }
    .app_service_main_center_main div p{
        font-size: 16px;
        line-height: 35px;
    }

    .app_contrast{
        display: none;
    }
    .app_contrast_sj{
        display: block;
        position: relative;
    }
    .app_contrast_sj_bj{
        width: 100%;
        height: 295px;
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
    }
    .app_contrast_sj_bj img{
        min-width: 750px;
        height: 295px;
    }

    .app_contrast_sj_main{
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
        height: 295px;
    }
    .app_contrast_sj_main_title{
        height: 100px;
        font-size: 24px;
        color: #333;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .app_contrast_sj_main_content{
        display: flex;
        flex-flow: wrap;
        justify-content: center;
    }
    .app_contrast_sj_main_content section{
        width: 33%;
        display: flex;
        flex-flow: column;
        align-items: center;
        font-size: 16px;
        color: #333;
        margin-bottom: 30px;
    }
    .app_contrast_sj_main_content section img{
        width: 40px;
        height: 40px;
        margin-bottom: 5px;
    }



    .app_case{
        width: 100%;
    }
    .app_case_title{
        width: 100%;
        height: 100px;
    }
    .app_case_title span{
        display: none;
    }
    .app_case_title span:nth-child(1){
        display: block;
        font-size: 24px;
    }
    .app_case_main{
        width: 90%;
        margin: 0 auto;
    }
    .app_case_main a{
        width: 46%;
    }


    .app_news_main{
        width: 100%;
    }
    .app_news_main_list{
        flex-flow: column;
    }
    .app_news_main_list a{
        width: 92%;
        margin: 0 auto;
    }
    .app_news_main_list a span:nth-child(2){
        justify-content: flex-end;
    }

    .app_news_main_go_news{
        margin:0 auto;
        width: 92%;
    }

    .app_news_main_go_news a{
        margin-right: 0;
    }

}