.m{
    display: none !important;
}

.pc{
    display: block  !important;
}

@media only screen and (max-width: 1279px) {
    html {
        background-color: #121212;
    }
    .header {
        display: flex;
        height: 100px;
        flex-direction: row;
        align-items: center;
        padding: 0 20px;
        background-color: #fff;
        z-index: 10;
        position: relative;
    }
    .header-logo {
        width: 170px;
        height: 40px;
        flex: 0 0 auto;
        background-image: url(/img/logo2.svg);
        transition: background-image 0.3sease-in-out;
    }
    .header-logo img {
        width: 170px;
        height: 40px;
        position: relative;
        top: -5px;
        display: none;
    }
    .header-gap {
        flex: 1 1 auto;
    }
    .header-nav {
        display: none;
    }
    .header-tools {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 30px;
    }
    .header-lang-btn {
        height: 30px;
        width: 30px;
        cursor: pointer;
        background-image: url(/img/language2.svg);
        background-size: cover;
        background-position: center;
    }
    .header-lang-opts {
        display: none;
    }
    .header-ai-btn {
        display: none;
    }
    .header-menu-btn {
        height: 30px;
        width: 30px;
        cursor: pointer;
        background-image: url(/img/menu2.svg);
        background-size: cover;
        background-position: center;
    }
    

    /* ---------------------------section 6------------------------------- */
    .section6-wrap{
        background: #fff;
        background-size: 100% 100%;
        background-repeat: no-repeat;
    }
    .section6 {
        max-width: 700px;
        padding: 30px 20px;
        color: #000;
        margin: auto;
    }
    .section6 h1 {
        font-weight: 500;
        font-size: 40px;
        text-align: left;
        margin-bottom: 50px;
    }
    html[lang=de] .section6 h1 {
        word-wrap: break-word;
    }
    .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: 30px;
        font-size: 20px;
        line-height: 24px;
        margin-bottom: 20px;
    }
    .section6 li {
        margin-bottom: 10px;
        font-size: 20px;
        line-height: 24px;
    }

    .m{
        display: block !important;
    }

    .pc{
        display: none !important;
    }

    /*------------------------ menu-boxs -------------------------*/
    .menu-box {
        visibility: hidden;
        position: fixed;
        z-index: 200;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        backdrop-filter: blur(0px);
        -webkit-backdrop-filter: blur(0px);
        padding-top: 100px;
        transition: backdrop-filter 0.2s, -webkit-backdrop-filter 0.2s;
        color: #fff;
    }
    .menu-box.show {
        visibility: visible;
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
    }
    .menu-box-close-btn {
        position: absolute;
        width: 30px;
        height: 30px;
        top: 35px;
        right: 20px;
        background-image: url(/img/close.svg);
    }
    .menu-box-opt {
        display: block;
        height: 24px;
        font-size: 20px;
        font-weight: 400;
        line-height: 24.2px;
        width: 250px;
        margin: 0 auto 40px;
        text-align: center;
        color: #000;
        text-decoration: none;
        user-select: none;
    }
    .menu-box-opt-btn {
        display: block;
        height: 50px;
        font-size: 18px;
        font-weight: 400;
        line-height: 21.78px;
        margin: 0 20px;
        text-align: center;
        color: #000;
        text-decoration: none;
        background-color: #fff;
        border-radius: 10px;
        padding: 14px 29px 14px 0;
        user-select: none;
        background-image: url(/img/icon-ai.svg);
        background-position: calc(50% + 29px) center;
        background-repeat: no-repeat;
    }
    html[lang=de] .menu-box-opt-btn {
        background-position: calc(50% + 44px) center;
    }

}