.com-tittop {
    padding: 100px 0px 70px;
    text-align: center;
}

.com-tittop>.container>.row>.content>.title_s {
    font-size: 36px;
    line-height: 25px;
    color: #cccccc;
}

.com-tittop>.container>.row>.content>.title {
    font-size: 24px;
    line-height: 24px;
    color: #333;
    margin-top: 20px;
}


/* 屏幕大于768px */

@media (min-width: 768px) {}

@media (min-width: 992px) {}

@media (min-width: 1200px) {}

@media (min-width: 1300px) {}

@media (min-width: 1400px) {}

@media (min-width: 1600px) {}


/* 屏幕小于1199px */

@media (max-width: 1599px) {}

@media (max-width: 1399px) {}

@media (max-width: 1299px) {}

@media (max-width: 1199px) {}

@media (max-width: 991px) {}

@media(max-width: 768px) {
    .com-tittop {
        padding: 36px 0px;
    }
    .com-tittop>.container>.row>.content>.title_s {
        font-size: 26px;
        line-height: 20px;
    }
    .com-tittop>.container>.row>.content>.title {
        font-size: 18px;
        line-height: 18px;
        margin-top: 16px;
    }
}