*{
    margin: 0;
    padding: 0;
    list-style: none;
}
body{
    font-size: 12px;
    color: #3e3e3e;
    font-family: "微软雅黑";
}
a{
    text-decoration: none;
    color: #3e3e3e;
}
a:active{
    color: #3e3e3e;
}



.nav{
    display: flex;
    font-size: 16px;
    margin-right: auto;
    align-items: center;
}
.nav li{
    padding: 0 20px;
    line-height: 70px;
    position: relative;
}
.nav li a{
    color: #fff;
    display: flex;
    align-items: center;
}
.nav li a img{
    width: 25px;
    height: 21px;
}
.nav li .ma{
    position: absolute;
    left: -15px;
    top: 32px;
}
.nav_btn{
    width: 140px;
    height: 30px;
    text-align: center;
    border: 1px solid #fff;
    border-radius: 20px;
    line-height: 30px;
}

/* 轮播图 */
.banner_page{
    width: 100%;
    height: auto;
    overflow: hidden;
}
.banner_page img{
    width: 100%;
    height: 680px;
    float: left;
}

/* 导航菜单 */
.nav_header{
    width: 100%;
    height: 120px;
    background: #fff;
    left: 0;
    top: 0;
    z-index: 1000;
}
.nav_header_in{
    height: 100%;
    width: 1200px;
    margin: 0 auto;
    position: relative;
}
.nav_header_in ul{
    display: flex;
    align-items: center;
}
.nav_header_in ul li{
    text-align: center;
    font-size: 16px;
    flex: 1;
    line-height: 120px;
    padding-left: 30px;
    border-right: 1px solid #F5F7FA;
    cursor: pointer;
    height: 100%;
}
.nav_header_in ul li:last-child{
    border: none;
}
.nav_header_in ul li.software{
    background: url(../images/software_choose.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.diamond{
    background: url(../images/diamond_choose.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.nice{
    background: url(../images/nice_choose.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.production{
    background: url(../images/production_choose.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.solution{
    background: url(../images/solution_choose.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.software_choose{
    background: url(../images/software.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.diamond_choose{
    background: url(../images/diamond.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.nice_choose{
    background: url(../images/nice.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.production_choose{
    background: url(../images/production.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.solution_choose{
    background: url(../images/solution.png) no-repeat 60px center;
    background-size: 10%;
}
.nav_header_in ul li.active{
    background-color: #313540;
}
.nav_header_in ul li a{
    display: block;
    height: 100%;
    width: 100%;
}
.nav_header_in ul li.active a{
    color: #fff;
}
.arrow{
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-top: 10px solid #313540;
    position: absolute;
    left : 100px;
    bottom: -20px;
}

/* 软件服务 */
.software{
    width: 100%;
    height: 790px;
    background: #f5f6fa;
}
.software_in{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 60px 0;
    box-sizing: border-box;
    position: relative;
    padding-top: 120px;
}
.title{
    font-size: 36px;
    font-weight: normal;
    text-align: center;
    background: url(../images/software_logo.png) no-repeat 430px center;
    background-size: 70px 70px;
    padding: 30px 0;
}
.soft{
    width: 1200px;
    height: 510px;
    overflow: hidden;
    margin-top: 30px;
    position: relative;
}
.arrows{
    width: 38px;
    height: 70px;
    position: absolute;
    top:60%;
}
.arrow_left{
    left: -80px;
}
.arrow_right{
    right: -80px;
}
.service{
    width: 2830px;
    height: auto;
    margin: 0 auto;
    overflow: hidden;
    display: flex;
    align-items: center;
    position: absolute;
    left: 0;
    top: 0;
    /* transition: 1s; */
}

.service li{
    width: 350px;
    height: 450px;
    border-radius: 4px;
    box-shadow: 0px 10px 20px 0px rgba(4, 0, 0, 0.04);
    background: #fff;
    margin-right: 60px;
    position: relative;
    cursor: pointer;
}
.service li .words{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}
.service li .bg{
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 1;
}
.service li .words img{
    width: 70px;
    height: 65px;
    display: block;
    margin: 0 auto;
    margin-top: 100px;
}
.service li .words h3{
    margin-top: 53px;
    font-size: 22px;
    color: #282828;
    text-align: center;
}
.service li .words p{
    margin-top: 25px;
    font-size: 16px;
    color: #8F8F8F;
    text-align: center;
    line-height: 26px;
    padding: 0 40px;
    box-sizing: border-box;
    font-weight: 300;
}
.service li.active{
    width: 380px;
    height: 510px;
    background-color: #3BBAEB;
}
.service li.active .bg{
    opacity: 0.08;
}
.service li.active .words p{
    color: #fff;
}
.service li.active .words h3{
    color: #fff;
}

/* 覆盖领域 */
.web{
    width: 100%;
    height: 1020px;
    background: #fff url(../images/web_bg_bg.png) no-repeat center center;
    background-size: 80%;
}
.web_in{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 60px 0;
    box-sizing: border-box;
    position: relative;
    padding-top: 120px;
}
.web_in .title{
    background-image: url(../images/web.png);
}
.web_box ul.singal{
    display: flex;
    align-items: center;
    width: 500px;
    margin: 30px auto;
    justify-content: space-between;
}
.web_box ul li{
    height: 125px;
    width: 100px;
    padding-top: 90px;
    box-sizing: border-box;
    color: #333333;
    font-size: 22px;
    background: url(../images/company_management.png) no-repeat center top;
    background-size: 70px 70px;
    text-align: center;
}
.web_box .center{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 310px;
    margin-bottom: 20px;
}
.web_box .center ul{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 260px;
}
.web_box ul:nth-of-type(1) li:nth-of-type(2){
    background-image: url(../images/country.png);
}
.web_box ul:nth-of-type(1) li:nth-of-type(3){
    background-image: url(../images/school.png);
}
.web_box .center ul:nth-of-type(1) li:nth-of-type(1){
    background-image: url(../images/park.png);
}
.web_box .center ul:nth-of-type(1) li:nth-of-type(2){
    background-image: url(../images/car_management.png);
}
.web_box .center ul:nth-of-type(2) li:nth-of-type(1){
    background-image: url(../images/buy_car.png);
}
.web_box .center ul:nth-of-type(2) li:nth-of-type(2){
    background-image: url(../images/food_manangement.png);
}
.web_box ul:nth-of-type(2) li:nth-of-type(1){
    background-image: url(../images/social_service.png);
}
.web_box ul:nth-of-type(2) li:nth-of-type(2){
    background-image: url(../images/teach_management.png);
}
.web_box ul:nth-of-type(2) li:nth-of-type(3){
    background-image: url(../images/flower.png);
}
.move{
    position: absolute;
    left: 50%;
    top: 50%;
    width: 280px;
    height: 280px;
    margin-left: -140px;
    margin-top: -140px;
    border: 1px solid rgba(1, 147, 216, 0.8);
    border-radius: 50%;
    animation: changesize 3s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo_move{
    width: 280px;
    height: 280px;
}
@keyframes changesize{
    0%{
        width: 280px;
        height: 280px;
        border: 1px solid rgba(1, 147, 216, 0.6);
    }
    25%{
        width: 330px;
        height: 330px;
        margin-left: -165px;
        margin-top: -165px;
        border: 1px solid rgba(1, 147, 216, 0.4);
    }
    50%{
        width: 380px;
        height: 380px;
        margin-left: -190px;
        margin-top: -190px;
        border: 1px solid rgba(1, 147, 216, 0.2);
    }
    100%{
        width: 410px;
        height: 410px;
        margin-left: -205px;
        margin-top: -205px;
        border: 1px solid rgba(1, 147, 216, 0);
    }

}

/* 我们的优势 */
.nice{
    width: 100%;
    height: 600px;
    background: #272A33 url(../images/nice_bg_bg.png) no-repeat center bottom;
    background-size: 100%;
}
.nice_in{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 60px 0;
    box-sizing: border-box;
    position: relative;
    padding-top: 120px;
}
.nice_in .title{
    color: #fff;
    background-image: url(../images/nice_bg.png);
}
.nice_list{
    width: 1156px;
    height: 300px;
    overflow: hidden;
    position: relative;
    margin: 50px auto;
}
.nice_list ul{
    width: 1745px;
    height: 300px;
    display: flex;
    align-items: center;
    position: absolute;
    left: 0;
    top: 0;
}
.nice_list ul li{
    width: 270px;
    height: 270px;
    background: #454A59;
    border-radius: 4px;
    padding: 65px 40px;
    box-sizing: border-box;
    cursor: pointer;
    margin-right: 25px;
}
.nice_list ul li:nth-of-type(1):hover{
    background: #5F89FA url(../images/nice/04.png) no-repeat right bottom;
}
.nice_list ul li:nth-of-type(2):hover{
    background: #5F89FA url(../images/nice/03.png) no-repeat right bottom;
}
.nice_list ul li:nth-of-type(3):hover{
    background: #5F89FA url(../images/nice/02.png) no-repeat right bottom;
}
.nice_list ul li:nth-of-type(4):hover{
    background: #5F89FA url(../images/nice/01.png) no-repeat right bottom;
}
.nice_list ul li:nth-of-type(5):hover{
    background: #5F89FA url(../images/nice/05.png) no-repeat right bottom;
}
.nice_list ul li:nth-of-type(6):hover{
    background: #5F89FA url(../images/nice/05.png) no-repeat right bottom;
}
.nice_list ul li img{
    height: 46px;
    margin-bottom: 40px;
}
.nice_list ul li h4{
    color: #FFFFFF;
    font-size: 22px;
    margin-bottom: 13px;
}
.nice_list ul li p{
    color: #fff;
    font-size: 18px;
}
.nice_list ul li:last-child{
    margin-right: 0;
}

/* 开发流程 */
.production{
    width: 100%;
    height: 882px;
    background: #F5F6FA url(../images/production_bg_bg.png) no-repeat center bottom;
}
.production_in{
    width: 1185px;
    height: 100%;
    margin: 0 auto;
    padding: 60px 0;
    box-sizing: border-box;
    position: relative;
    padding-top: 120px;
}
.production_in .title{
    background-image: url(../images/production_bg.png);
}
.production_list{
    width:100%;
    height: 500px;
    overflow: hidden;
    margin-top: 60px;
    position: relative;
}
.production_list ul{
    width: 2397px;
    height: 100%;
    display: flex;
    align-items: center;
    position: absolute;
    left: 0;
    top: 0;
    overflow: hidden;
}
.production_list ul li{
    width: 276px;
    height: 500px;
    background: #fff;
    box-shadow: 1px 10px 20px 0px rgba(4, 0, 0, 0.02);
    border-radius: 16px;
    text-align: center;
    margin-right: 27px;
}
.production_list ul li img{
    height: 81px;
    margin: 65px 0;
}
.production_list ul li h4{
    font-size: 22px;
    color: #2D303A;
    margin-bottom: 25px;
}
.production_list ul li p{
    color: #2D303A;
    font-size : 18px;
    line-height: 28px;
}
.production_list ul li:last-child{
    margin: 0;
}

/* 免费获取方案与报价 */
.solution{
    width: 100%;
    height: auto;
    background: #E8F0FC url(../images/solution_bg.png) no-repeat center top;
    overflow: hidden;
    background-size: 100% 100%;
}
.solution_in{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 60px 0;
    box-sizing: border-box;
    position: relative;
    padding-top: 120px;
}
.solution_in .tips{
    color: #9A9A9A;
    font-size: 18px;
    text-align: center;
}
.solution_in .title{
    background: none;
}
.choice{
    width: 1000px;
    height: 350px;
    overflow: hidden;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
}
.item{
    width: 168px;
    height: 168px;
    border: 1px solid #DAE5F2;
    border-radius: 12px;
    background: #fff;
    color: #C8CACC;
    font-size: 18px;
    position: relative;
    box-sizing: border-box;
    cursor: pointer;
}
.choose{
    width: 30px;
    height: 30px;
    position: absolute;
    right: 10px;
    top: 10px;
    display: none;
}
.icon{
    height: 43px;
    display: block;
    margin: 0 auto;
    margin-bottom: 18px;
}
.border{
    width: 100%;
    height: 100%;
    padding-top: 45px;
    box-sizing: border-box;
}
.item p{
    text-align: center;
}
.choice .current{
    border: 4px solid #DBE5F3;
}
.choice .current .border{
    border-radius: 8px;
    border: 2px solid #5880FF;
}
.choice .current p{
    color: #577FFF;
}
.choice .current .choose{
    display: block;
}
.form_footer{
    width: 1000px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: auto;
    padding: 0 18px;
    box-sizing: border-box;
}
.input{
    width: 300px;
    height: 64px;
    border: 1px solid #DAE5F2;
    border-radius: 12px;
    overflow: hidden;
    box-sizing: border-box;
}
.input input{
    border: none;
    outline: none;
    width: 100%;
    height: 100%;
    padding:  10px 60px;
    box-sizing: border-box;
    background: url(../images/contact_no.png) no-repeat 30px center;
    background-size: 16px 18px;
    color: #17181A;
    font-size: 18px;
}
.input:nth-of-type(2) input{
    background-size: 13px 18px;
    background-image: url(../images/phone_no.png);
}
.input:nth-of-type(3) input{
    background-size: 15px 18px;
    background-image: url(../images/location_no.png);
}
.form_footer .active{
    border: 4px solid #DBE5F3;
}
.form_footer .active input{
    border-radius: 8px;
    border: 2px solid #5880FF;
}
.submit{
    width: 256px;
    height: 64px;
    background: #577FFF url(../images/submit_arrow.png) no-repeat 180px center;
    border-radius: 8px;
    display: block;
    margin: 50px auto;
    padding-right: 144px;
    color: #fff;
    background-size: 21px 16px;
    border: none;
    padding-left: 50px;
    font-size: 22px;
    outline: none;
    cursor: pointer;
}