@media screen and (max-width: 1440px) {
    .container {
        width: 1100px;
    }

    body .fixed_nav {
        width: 80%;
        padding: 0 140px;
    }

    .fixed_nav li div {
        /* line-height: px; */
        font-size: 20px;
    }
}

@media screen and (max-width: 1366px) {
    .container {
        width: 1000px;
    }

    body .fixed_nav {
        width: 80%;
        padding: 0 140px;
    }

    .fixed_nav li div {
        /* line-height: 20px; */
        font-size: 16px;
    }
}