@media (max-width: 1680px) {}

@media (max-width: 1440px) {}

@media (max-width: 1280px) {
    :root {
        --ft14: 14px;
        --ft16: 14px;
        --ft18: 16px;
        --ft20: 16px;
        --ft22: 18px;
        --ft24: 18px;
        --ft26: 26px;
        --ft28: 28px;
        --ft30: 30px;
        --ft32: 32px;
        --ft36: 36px;
        --ft38: 38px;
        --ft40: 40px;
        --ft44: 40px;
        --ft48: 40px;
        --ft50: 40px;
        --ft60: 40px;
        --ft70: 58px;
        --ft72: 60px;
        --ft88: 70px;
        --ft100: 80px;
        --p15: 15px;
        --p20: 20px;
        --p25: 20px;
        --p30: 20px;
        --p35: 25px;
        --p40: 30px;
        --p45: 35px;
        --p50: 40px;
        --p60: 45px;
        --p70: 50px;
        --p80: 50px;
        --p90: 60px;
        --p100: 70px;
        --p120: 80px;
        --p130: 90px;
        --p140: 90px;
        --p150: 90px;
    }

    .pingjia_list {
        width: 85%;
    }
}

@media (max-width: 1024px) {}

@media (max-width: 996px) {}

@media (max-width: 768px) {
    :root {
        --ft14: 12px;
        --ft16: 12px;
        --ft18: 12px;
        --ft20: 14px;
        --ft22: 14px;
        --ft24: 14px;
        --ft26: 16px;
        --ft28: 16px;
        --ft30: 22px;
        --ft32: 22px;
        --ft36: 22px;
        --ft38: 26px;
        --ft40: 26px;
        --ft44: 28px;
        --ft48: 28px;
        --ft50: 30px;
        --ft60: 30px;
        --ft70: 40px;
        --ft72: 40px;
        --ft88: 70px;
        --ft100: 80px;
        --p15: 10px;
        --p20: 10px;
        --p25: 15px;
        --p30: 15px;
        --p35: 20px;
        --p40: 20px;
        --p45: 25px;
        --p50: 25px;
        --p60: 30px;
        --p70: 30px;
        --p80: 35px;
        --p90: 35px;
        --p100: 35px;
        --p120: 40px;
        --p130: 40px;
        --p140: 40px;
    }
    .gstc_list{
        height: 470px;
    }
.index_ser_list{
    grid-template-columns: repeat(2,1fr);
}
.banner_title{
    font-size: 20px;
    line-height: 22px;
}
.banner_title::after{
    content: unset;
}
.banner_text a{
    margin-top: 10px;
}
    .hamburger_btn {
        display: flex;
    }
    .index_about .max{
            display: flex;
            flex-direction: column-reverse;
    }
.finest .max .up{
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}
    .header .max {
        flex-direction: row;
        justify-content: space-between;
        padding: 0 10px;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: auto;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);

        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, opacity 0.4s ease;
        z-index: 998;
    }

    .nav.active {
        max-height: 80vh;
        overflow-y: auto;

    }

    .nav ul {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
        padding-bottom: 20px;
    }

    .nav ul li {
        width: 100%;
        height: auto;
        display: flex;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column;
        align-items: center;
    }

    .nav ul li a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        width: 100%;
        box-sizing: border-box;
    }

    .arrow_icon {
        display: inline-block;
    }

    .erji {
        position: static;
        width: 100%;
        background: rgba(0, 0, 0, 0.2);
        box-shadow: none;
        margin-top: 0;
        transform: unset;
        height: auto;
        display: none;
        padding: 0 !important;
    }


    .arrow_icon {
        transition: transform 0.4s ease;
    }

    .nav ul li.sub-open>a .arrow_icon {
        transform: rotate(180deg);
    }

    .erji dd a {
        padding-left: 40px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.8);
    }
    .about_show3_list{
        grid-template-columns: repeat(2,1fr);
    }
    .about_show3_box>img{
        width: 100%;
    }
    .about_footer{
        padding: 100px 0;
    }
    .porfolios_list{
        grid-template-columns: repeat(2,1fr);
    }
    .gstc_list{
        flex-direction: column;
        height: auto;
    }
    .gstc_title{
        flex-direction: row;
        padding: 0 20px;
    }
    .gstc_title div:not(.gstc_key){
        writing-mode: unset;
        text-orientation: unset;
    }
    .gstc_key{
        padding: 0;
    }
    .gstc_box.active .gstc_title{
        padding: 0;
    }
    .gstc_box.active{
        padding: 20px;
    }
    .about_tw_box{
        flex-direction: column-reverse;
    }
    .about_tw_text{
        width: 100%;
    }
    .about_tuwen .max .about_tw_box:nth-child(even){
        flex-direction: column-reverse;
    }
    .nice_box{
        grid-template-columns:1fr
    }
    .porfolios .title{
        width: 100%;
    }
    .porfolios .sub{
        width: 100%;
    }
    .porfolios .max{
        max-width: 100%;
    }
    .search_box{
        max-width: max-content;
    }
}
@media (max-width: 414px) {
    .about_show3_list,.contact_box,.porfolios_list{
        grid-template-columns: repeat(1, 1fr);
    }
}