*{
    margin: 0;
    padding: 0;
}
body{
    width: 100%;
}
h2,p,span{
    line-height: 1;
}
img{
    display: block;
}
.container{
    max-width: 1080px;
    margin: 0 auto;
}
.logo{
    padding: 16px 0;
}
.logo img{
    cursor: pointer;
}
.banner img{
    max-width: 100%;
}
.box{

}
.box.gray{
    background-color: #fafafa;
}
.box_title{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 65px 0 50px;
}

.box_title h2{
    font-size: 40px;
    color: #535eff;
    margin: 0 25px 0 30px;
}
.box_title img{
    width: 35px;
    height: 32px;
}
.box_desc p{
    font-size: 19px;
    color: #333;
    line-height: 36px;
}
.box_con{
    display: flex;
    justify-content: space-between;
    padding: 65px 0 93px;
}
.box_con_item{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.app_screen{
    display: block;
    width: 524px;
    height: 334px;
    margin-bottom: 25px;
}
.app_name{
    display: flex;
    align-items: center;
    justify-content: center;
}
.app_name img{
    width: 24px;
    height: 24px;
    margin-right: 8px;
}
.app_name p{
    font-size: 22px;
    color: #333;
    font-weight: bold;
}
.app_desc{
    font-size: 16px;
    color: #333;
    padding: 10px 0 17px;
}
.app_down{
    border-radius: 4px;
    line-height: 32px;
    font-size: 14px;
    color: #fff;
    background-color: #535eff;
    padding: 0 23px;
    cursor: pointer;
    text-decoration: none;
}
.tac {
    text-align: center;
}
.btn_list{
    width: 100%;
    padding: 0 119px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.btn_list .btn_item{
    width: 168px;
    line-height: 60px;
    border-radius: 30px;
    text-align: center;
    color: #fff;
    box-shadow: 0px 4px 20px 0px rgba(91, 97, 176, 0.22);
    font-size: 20px;
    font-weight: bold;
    margin-right: 56px;
    margin-bottom: 35px;
}
.bg0acc90{
    background: #0acc90;
}
.bgffc20a{
    background: #ffc20a;
}
.bgf37e3f{
    background: #f37e3f;
}
.btn_list .btn_item:nth-child(4n){
    margin-right: 0;
}


.img_list{
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer{
    padding: 38px 0;
    background-color: #3d3d3d;
}
.footer p{
    font-size: 12px;
    color: #999;
    text-align: center;
    line-height: 23px;
}
.footer p a{
    font-size: 12px;
    color: #999;
    text-decoration: none;
}
.footer p a:hover{
    color: #fff;
}
.footer p span{
    margin: 0 10px;
}
.img_bg{
    background: url('../img/box_bg.png') no-repeat center 230px;
    background-size: 1285px 553px;
}