.app {
    margin-top: 115px;
    width: 100%;
}

html,
body {
    position: relative;
    height: 100%;
}

body {
    background: #eee;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0;
    padding: 0;
}

.app_top {
    width: 100%;
    /* height: 432px; */
}

.app_top img {
    width: 100%;
    /* height: 100%; */
}

.app_top .app_top_img_1 {
    display: none;
}

/* 优势 */

.app_advantage_box {
    width: 100%;
    background: url(../img/advantageBg.png) no-repeat;
    background-size: 100% 100%;
}

.app_advantage {
    max-width: 1500px;
    margin: 0 auto;
    padding: 100px 20px 76px 20px;
    text-align: center;
}

.app_advantage h4 {
    font-size: 42px;
    font-weight: bold;
    line-height: 59px;
    color: #333333;
    /* margin-top: 100px; */
}

.app_advantage h2 {
    font-size: 12px;
    font-weight: bold;
    line-height: 17px;
    color: #A5A5A5;
    opacity: 0.56;
}

.app_advantage i {
    display: inline-block;
    width: 54px;
    height: 0px;
    border: 1px solid #707070;
    margin: 27px 0 23px 0;
}

.app_advantage p {
    font-size: 16px;
    line-height: 28px;
    color: #333;
    margin-bottom: 73px;
    font-weight: 400;
}

.advantage_list {
    width: 100%;
    /* border: 1px solid #000000; */
}

.advantage_list ul {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}

.advantage_list ul li {
    width: 25%;
    /* border: 1px solid #1EB37B; */
    display: flex;
    flex-direction: column;
    padding: 60px 30px 120px 64px;
    align-items: flex-start;
    position: relative;
    /* justify-content: center; */
}

.advantage_list ul li h3 {
    margin-top: 28px;
    font-size: 48px;
    /* font-weight: bold; */
    line-height: 48px;
    color: #3a3a3a;
}

.advantage_list ul li h2 {
    margin-top: 20px;
    font-size: 16px;
    color: #999999;
    margin-bottom: 48px;
    font-weight: 100;
}

.advantage_list ul li span {
    display: inline-block;
    width: 24px;
    height: 6px;
    min-height: 6px;
    background: #E7E7E7;
    opacity: 1;
    border-radius: 6px;
}

.advantage_list ul li p {
    max-width: 245px;
    font-size: 16px;
    line-height: 28px;
    margin-top: 18px;
    color: #999999;
    margin-bottom: 0px;
    text-align: left;
}

.advantage_list ul li h1 {
    position: absolute;
}

.advantage_list ul li h1 {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    margin-top: auto;
    bottom: 0;
    right: 30px;
}

.app_img {
    width: 60px;
    height: 60px;
}

.app_img_1 {
    width: 120px;
    height: 120px;
}

.advantage_list ul li:hover {
    background: #fff;
    box-shadow: 0px 3px 25px rgba(0, 0, 0, 0.14);
    border-radius: 4px;
    color: #1C1C1C;
    transition: all 1s;
}


/* 开发流程 */

.develop_box {
    width: 100%;
    height: 927px;
    background: #262626;
    padding: 0 20px;
}

.develop {
    max-width: 1500px;
    padding-top: 82px;
    margin: 0 auto;
    text-align: center;
}

.develop h1 {
    font-size: 12px;
    font-weight: bold;
    line-height: 17px;
    color: #A5A5A5;
    opacity: 0.56;
}

.develop h3 {
    font-size: 42px;
    font-weight: bold;
    line-height: 59px;
    color: #FFFFFF;
}

.develop i {
    display: inline-block;
    margin-top: 10px;
    width: 54px;
    height: 0px;
    border: 1px solid #FFFFFF;
}

.develop p {
    font-size: 16px;
    line-height: 28px;
    color: #686868;
    margin-bottom: 57px;
}

.develop_step_list {
    /* position: relative; */
    display: flex;
    justify-content: center;
}

.develop_step_list .pp2 {
    margin-left: -50px;
}

.develop_step_list .pp3 {
    margin-left: -50px;
}

.develop_step_list .pp4 {
    margin-left: -50px;
}

.develop_step_list .pp5 {
    margin-left: -50px;
}

.develop_step_list .pp1:hover {
    background: #FE8000;
}

/* .develop_step_list .pp1{
    position: absolute;
    left: 0;
} */


/* .develop_step_list .pp2{
    position: absolute;
    left: 287px;
}
.develop_step_list .pp3{
    position: absolute;
    left: 574px;
}
.develop_step_list .pp4{
    position: absolute;
    left: 861px;
}
.develop_step_list .pp5{
    position: absolute;
    left: 1148px;
} */

.develop_step_list .pp1:hover {
    background: #FE8000;
}

.develop_step_list .pp2:hover {
    background: #13A6A2;
}

.develop_step_list .pp3:hover {
    background: #6C7BF9;
}

.develop_step_list .pp4:hover {
    background: #DA5844;
}

.develop_step_list .pp5:hover {
    background: #00B8FE;
}

.develop_step {
    /* width: 349px; */
    width: 20%;
    height: 300px;
    border-radius: 50%;
    border: 1px solid #4A4A4A;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.develop_step h2 {
    font-size: 20px;
    font-weight: bold;
    line-height: 28px;
    color: #FFFFFF;
    margin-top: 27px;
    margin-bottom: 38px;
}

.develop_step .step_img {
    width: 80px;
    height: 80px;
}

.develop_step .step_img_1 {
    width: 80px;
    height: 80px;
    display: none;
}

.develop_step:hover .step_img_1 {
    display: block;
}

.develop_step:hover .step_img {
    display: none;
}

.develop_text {
    width: 100%;
    padding: 0 20px;
    padding-top: 40px;
    border-top: 1px dashed #fff;
    display: none;
}

.develop_text p {
    margin-bottom: 20px;
    color: #fff;
    font-size: 16px;
    line-height: 28px;
}

.develop_step:hover {
    border-radius: 200px;
    height: 528px;
    /* background: #FE8000; */
    transition: all .5s;
    z-index: 11;
}

.develop_step:hover .develop_text {
    display: block;
}

.right-1 {
    position: absolute;
    left: 310px;
    top: 175px;
}

.right-2 {
    position: absolute;
    left: 600px;
    top: 175px;
}

.right-3 {
    position: absolute;
    left: 885px;
    top: 175px;
}

.right-4 {
    position: absolute;
    left: 1170px;
    top: 175px;
}

.right-1 img,
.right-2 img,
.right-3 img,
.right-4 img {
    width: 17px;
    height: 15px;
}


/* 作品案列 */

.app_case_box {
    width: 100%;
    text-align: center;
    padding: 80px 20px;
    background: #fff;
}

.app_case {
    max-width: 1500px;
    margin: 0 auto;
}

.app_case h1 {
    font-size: 42px;
    font-weight: bold;
    line-height: 59px;
    color: #2D2D2D;
}

.app_case h3 {
    font-size: 12px;
    font-weight: bold;
    line-height: 17px;
    color: #A5A5A5;
    opacity: 0.32;
}

.app_case i {
    display: inline-block;
    width: 54px;
    height: 0px;
    margin: 20px 0;
    border: 1px solid #707070;
}

.app_case p {
    font-size: 16px;
    line-height: 28px;
    color: #333333;
    margin-bottom: 50px;
}

/* 
    列表 
*/
.app_case .swiper {
    width: 100%;
    height: 100%;
    padding-bottom: 80px;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    /* object-fit: cover; */
}

.mySwiper1 .swiper-button-prev {
    right: 50%;
    left: auto;
    transform: translateX(-105px);
}

.mySwiper1 .swiper-button-next {
    left: 50%;
    transform: translateX(105px);
}

.mySwiper1 .swiper-button-next,
.mySwiper1 .swiper-button-prev {
    background-size: 20px 40px;
    top: auto;
    bottom: 0;
    color: #999;
}

.mySwiper1 .swiper-pagination {
    font-size: 18px;
    line-height: 22px;
    color: #666666;
    bottom: 40px;
}

#mySwiper1 .swiper-scrollbar {
    width: 100px !important;
    height: 1px;
    background-color: #2E2E2E;
    opacity: 0.85;
    left: 50%;
    transform: translateX(-50%);
    bottom: 22px;
    display: block !important;
}

#mySwiper1 .swiper-scrollbar-drag {
    height: 5px;
    background: #FE8000;
    border-radius: 0;
    top: -2px;
}

#mySwiper1 .swiper-pagination-current {
    font-size: 24px;
    line-height: 29px;
    color: #8F8F8F;
}


.app_case_list {
    max-width: 1500px;
    height: auto;
    margin: 0 auto;
}

.swiper-list ul {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}

.swiper-list ul li {
    background: url(../img/picBg.png) no-repeat center;
    background-size: 100% 100%;
    margin: 30px 0px;
    margin-right: 30px;
    width: calc((100% - 3 * 30px)/4);
    padding: 10px;
    border-radius: 47px;
    overflow: hidden;
    position: relative;
    height: 632px;
}

.swiper-list ul li:nth-child(4n) {
    margin-right: 0px;
}

.swiper-list ul li a {
    display: flex;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.app_case_list ul li:nth-child(4n) {
    margin-right: 0px;
}


.swiper-list ul li a .topBg {
    width: 170px;
    height: 20px;
    position: absolute;
    top: 1%;
    left: 50%;
    transform: translate(-50%, 0%);
    z-index: 55;
}

.case_img_1 {
    display: inline;
    border-radius: 35px;
    /* margin-top: 8px; */
    width: 102%;
    height: 100%;
    /* padding-bottom: 15px; */
}

.case_img_text {
    position: absolute;
    left: 0;
    z-index: 999;
    bottom: -110%;
    padding: 0 40px;
    width: 100%;
    height: 102%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, .5);
    border-radius: 47px;
}

.case_img_text h4 {
    margin-bottom: 30px;
    padding-bottom: 10px;
    color: #dadada;
    font-weight: bold;
    border-bottom: 1px solid #b5b5b5;
}

.swiper-list ul li a:hover .case_img_text {
    bottom: -10px;
    transition: bottom .5s;
}

@media screen and (max-width: 1280px) {
    .develop_step {
        height: 245px;
    }

    .develop_step:hover {
        border-radius: 200px;
        height: 400px;
        transition: all .5s;
    }

    .develop_step_list .pp2,
    .develop_step_list .pp3,
    .develop_step_list .pp4,
    .develop_step_list .pp5 {
        margin-left: -25px;
    }
}

@media screen and (max-width: 1024px) {
    .develop_step {
        height: 193px;
    }

    .advantage_list ul li h3 {
        font-size: 32px;
    }

    .develop_box {
        height: 800px;
    }

    .develop_step {
        height: 193px;
    }

    .swiper-list ul li {
        height: 420px;
        border-radius: 30px;
    }

    .swiper-list ul li a .topBg {
        width: 85px;
        height: 10px;
    }

    .case_img_1 {
        border-radius: 20px;
    }

    .swiper-list ul li a .topBg {
        width: 110px;
        height: 15px;
    }

    .case_img_text {
        border-radius: 30px;
    }
}

@media screen and (max-width: 900px) {
    .app {
        margin-top: 80px;
    }
}

@media screen and (max-width: 768px) {
    .app {
        margin-top: 50px;
    }

    .app_top .app_top_img {
        display: none;
    }

    .app_top .app_top_img_1 {
        display: block;
    }

    /* app开发优势 */
    .app_advantage {
        padding: 50px 20px 38px 20px;
    }

    .app_advantage h4 {
        font-size: 21px;
        line-height: 30px;
    }

    .app_advantage h2 {
        font-size: 12px;
        margin-top: 5px;
    }

    .app_advantage i {
        margin: 13px 0 12px 0;
    }

    .app_advantage p {
        margin: 0 auto;
        margin-bottom: 26px;
        max-width: 320px;
        font-size: 14px;
        text-align: center;
        font-weight: 400;
        line-height: 20px;
        color: #999;
    }

    /* 优势表 */
    .advantage_list ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .advantage_list ul li {
        pointer-events: none;
        width: 49%;
        background: #fff;
        margin: 10px 0;
        box-shadow: 0px 2px 13px rgba(0, 0, 0, 0.14);
        padding: 15px 15px;
    }

    .advantage_list ul li:nth-child(2n) {
        margin-right: 0px;
    }

    .advantage_list ul li h1 img {
        width: 66px;
        height: 66px;
    }

    .advantage_list ul li h3 {
        font-size: 19px;
        margin-top: 10px;
    }

    .advantage_list ul li h2 {
        display: none;
        font-size: 12px;
        margin-top: 10px;
        margin-bottom: 24px;
    }

    .advantage_list ul li p {
        margin-left: 0px;
        font-size: 12px;
        line-height: 20px;
        margin-top: 10px;
    }
    .advantage_list ul li span{
        min-height: 3px;
        height: 3px;
        margin-top: 5px;
        margin-bottom: 5px;
    }

    /* 流程图 */
    .develop_step_list {
        display: flex;
        flex-wrap: wrap;
    }

    .develop_box {
        height: 680px;
    }

    .develop {
        padding-top: 41px;
    }

    .develop h1 {
        font-size: 12px;
        font-weight: bold;
        line-height: 12px;
        color: #A5A5A5;
        opacity: 0.56;
    }

    .develop h3 {
        font-size: 21px;
        line-height: 30px;
    }

    .develop p {
        margin: 10px auto 28px auto;
        max-width: 295px;
        text-align: center;
        font-size: 12px;
        font-weight: 400;
        line-height: 17px;
        color: #686868
    }

    .develop_step {
        width: calc((100% - 2 * 15px)/3);
        margin-right: 15px;
        pointer-events: none;
    }

    .develop_step_list .pp1,
    .develop_step_list .pp2,
    .develop_step_list .pp3,
    .develop_step_list .pp4,
    .develop_step_list .pp5 {
        margin-left: 0px;
        /* margin-right: 15px; */
    }

    .develop_step_list .pp3 {
        margin-right: 0;
    }

    .develop_step img {
        width: 29px !important;
        height: 29px !important;
    }

    .develop_step h2 {
        font-size: 12px;
        font-weight: 400;
        line-height: 14px;
        color: #fff;
        margin-top: 13px;
        margin-bottom: 19px;
    }

    /* app案例 */
    .app_case_box {
        width: 100%;
        text-align: center;
        padding: 40px 20px;
        background: #fff;
    }

    .app_case h1 {
        font-size: 21px;
        font-weight: bold;
        line-height: 30px;
        color: #2D2D2D;
    }

    .app_case i {
        display: inline-block;
        width: 54px;
        height: 0px;
        margin: 10px 0;
        border: 1px solid #707070;
    }

    .app_case p {
        margin-bottom: 0px;
        font-size: 14px;
        font-weight: 400;
        line-height: 20px;
        color: #999999;
    }

    /* 列表 */
    .swiper-list {
        margin-top: 30px;
    }

    .swiper-list ul li {
        pointer-events: none;
        margin: 10px 0px;
        margin-right: 20px;
        width: calc((100% - 1 * 20px)/2);
        padding: 1px 7px;
        border-radius: 23px;
        overflow: hidden;
        position: relative;
        height: 316px;
    }

    .swiper-list ul li:nth-child(2n) {
        margin-right: 0px;
    }

    .swiper-list ul li a .topBg {
        width: 85px;
        height: 10px;
    }

    .swiper-button-prev:after,
    .swiper-rtl .swiper-button-next:after {
        font-size: 30px !important;
    }

    .swiper-button-next:after,
    .swiper-rtl .swiper-button-prev:after {
        font-size: 30px !important;
    }

    .mySwiper1 .swiper-button-prev {
        right: 45%;
        left: auto;
        transform: translateX(-105px);
    }

    .mySwiper1 .swiper-button-next {
        left: 45%;
        transform: translateX(105px);
    }

    .case_img_text {
        position: absolute;
        left: 0;
        z-index: 999;
        bottom: -110%;
        padding: 0 20px;
        width: 100%;
        height: 102%;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background-color: rgba(0, 0, 0, .5);
        border-radius: 47px;
    }

    .case_img_1 {
        display: inline;
        border-radius: 23px;
        margin-top: 4px;
        width: 102%;
        height: 100%;
        padding-bottom: 7px;
    }
    .app_img {
        width: 40px;
        height: 40px;
    }
}

@media screen and (max-width: 414px) {
    .develop_box {
        height: 500px;
    }

    .develop_step {
        height: 115px;
    }
}

@media screen and (max-width: 375px) {
    .develop_box {
        height: 440px;
    }

    .develop_step_list .pp1,
    .develop_step_list .pp2,
    .develop_step_list .pp3,
    .develop_step_list .pp4,
    .develop_step_list .pp5 {
        height: 100px;
    }

    .swiper-list ul li {
        margin: 15px 0px;
        margin-right: 20px;
        width: calc((100% - 1 * 20px)/2);
        /* padding: 10px 15px; */
        border-radius: 23px;
        overflow: hidden;
        position: relative;
		height: 284px;
    }

    .swiper-list ul li:nth-child(2n) {
        margin-right: 0px;
    }

    .swiper-list ul li a .topBg {
        width: 85px;
        height: 10px;
    }

    .case_img_text {
        position: absolute;
        left: 0;
        z-index: 999;
        bottom: -110%;
        padding: 0 20px;
        width: 100%;
        height: 102%;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background-color: rgba(0, 0, 0, .5);
        border-radius: 23px;
    }

    .case_img_1 {
        display: inline;
        border-radius: 23px;
        margin-top: 4px;
        width: 102%;
        height: 100%;
        padding-bottom: 7px;
		 
    }
}
