.top{
    background-color: #7952B3;
}
.top, .ex, .sort, .introd, .footer{
    max-width: 100%;
}
.top .navbar, .wrap{
    max-width: 1300px;
}
.wrap{
    padding: 40px 15px;
    box-sizing: border-box;
}
.top .btn-menu{
    border: none;
}
.top .btn-download{
    border: 1px solid #FFE484;
    color: #FFE484
}
.top .btn-download:hover{
    color: white;
    background-color: #FFE484
}
.top .app svg{
    width: 1rem;
    height: 1rem;
}
.ex button{
    height: 40px;
    margin-bottom: 10px;
}
.ex button:first-of-type{
    border: #7952B3;
    background-color: #7952B3;
}
.ex button:first-of-type:hover{
    background-color: rgba(0, 0, 0, .75);
}
.ex button:last-of-type{
    border: 1px solid #6C757D;
    color: #6C757D;
}
.ex button:last-of-type:hover{
    color: white;
    background-color: #6C757D;
}
.sort section{
    padding: 40px 0;
}
.sort .notice{
    border: 1px solid #ccc;
    border-radius: 2px;
    border-left: 5px solid #F0AD4E;
}
.sort .card{
    border: none;
    margin: 10px 0;
    padding: 5px 10px;
    box-sizing: border-box;
}
.sort .card img{
    border-radius: 20px;
}
.sort .card-body{
    padding: 1rem 0;
}
.footer{
    background-color: #F6F7F8;
}
.footer .group{
    box-sizing: border-box;
}
.footer .group a, .footer .copy, .footer .copy p > a{
    color: #495057;
}
.footer .copy a:hover, .footer .group a:hover{
    color: blue;
}
.footer .copy p > a:hover, .footer .group a:hover{
    text-decoration: blue underline;
}
/* .introd img{
    width: 100%;
} */
@media screen and (max-width: 768px) {
    .footer .group > div{
        width: 50%;
        padding: 5px;
        box-sizing: border-box;
    }
    .footer .group{
        width: 100%;
    }
}
@media screen and (min-width: 768px) {
    .ex .wrap .btn{
        max-width: 230px;
    }
}