@media screen and (max-width: 1100px){
    .menu{
        padding-bottom: 5rem;
    }    
    .menu .title h1{
        font-size: 3.8rem;
        line-height: 5rem;
        padding-top: 5rem;
        text-align: center;
    }
}
@media screen and (max-width: 1000px) {
    .menu{
        padding-top: 9rem;
    }
    #solution .menu {
        margin-bottom: 4rem;
    }
    .menu .central ul li a{
        font-size: 1.2rem;
        line-height: 1.2rem;
    }
    .menu .central ul{
        padding-top: 2.5rem;
    }
}
@media screen and (max-width: 750px){
    .menu {
        padding-bottom: 1rem;
    }
}
@media screen and (max-width: 700px){
    .menu .title h1,
    #blog .menu .title h1{
        line-height: 3.8rem;
        padding: 2rem 0;
    }
    #post_materials .menu .title h1{
        line-height: 4.5rem;
    }
}