* {
    margin: 0;
    padding: 0;
}

body {
    background: #17AEFF;
}

.main {
    width: 1248px;
    margin: 0 auto;
}

.logo {
    width: 235px;
    display: block;
    margin: 46px auto 0;
}
.install-btn{
    display: block;
    margin: 16px auto 44px;
    width: 254px;
    font-weight: 500;
    font-size: 18px;
    color: #FFFFFF;
    text-decoration: none;
    line-height: 40px;
    background: #2C72FF;
    border-radius: 24px 24px 24px 24px;
    text-align: center;
}
.banner {
    width: 100%;
}

.install {
    width: 1026px;
    display: block;
    margin: 86px auto 66px;
}
.footer{
    display: flex;
    padding-bottom:20px;
    align-items: center;
    justify-content: space-between;
}

.footer-logo{
    width: 194px;
}
.footer-items{
    display: flex;
    list-style: none;
    justify-content: space-between;
    line-height: 15px;
}
.footer-items a{
 text-decoration: none;
 padding:0 15px;
    border-left:1px solid #fff;
}
.footer-items a:first-child {
    border-left: none;
}
.nav-item{
    list-style: none;
    color:#fff;
   
}