@media only screen and (min-width: 1279px) {
    .header {
        background-color: #fff;
    }
    .header-logo {
        background-image: url(/img/logo2.svg);
    }
    .header-nav a {
        color: #000;
    }
    .header-nav a.active {
        color: #000;
        font-weight: 500;
        background-color: rgba(0, 0, 0, 0.1);
    }
    .header-lang-btn {
        background-image: url(/img/language2.svg);
    }
    .header-lang-btn:hover {
        background-image: url(/img/language2-gray.svg);
    }
    .header-ai-btn {
        background-color: #B50012;
        color: #fff;
        background-image: url(/img/icon-ai-white.svg);
    }

    /* ---------------------------section 6------------------------------- */

    .section6-wrap{
        background: #fff;
        background-image: url(/img/about/about.svg);
        background-size: 100% 100%;
        background-repeat: no-repeat;
        margin-top: 80px;
    }
    .section6{
        max-width: 700px;
        padding: 200px 0;
        color: #000;
        margin: auto;
    }
    .section6 h1 {
        font-weight: 500;
        font-size: 40px;
        text-align: center;
        margin-bottom: 50px;
        text-align: left;
    }
    .section6 > div {
        margin-bottom: 40px;
    }
    .section6 h2{
        font-weight: 500;
        font-size: 30px;
        line-height: 36px;
        letter-spacing: 0%;
        margin-bottom: 24px;
    }
    .section6 p{
        font-size: 20px;
        line-height: 24px;
        margin-bottom: 20px;
        letter-spacing: 0%;
    }
    .section6 ul {
        margin-left: 40px;
        font-size: 20px;
        line-height: 24px;
        margin-bottom: 20px;
    }
    .section6 li {
        margin-bottom: 10px;
        font-size: 20px;
        line-height: 24px;
    }

    /* --------------------------- menu-boxs ------------------------------- */
    .menu-boxs {
        display: none;
    }
}