@media (-webkit-min-device-pixel-ratio: 1.25) {
    .layout-main {
        zoom: 0.796875;
    }
}

@media (max-width: 1550px){
    .head .inner{min-width: unset}
    .main_width{min-width: unset}
}

@media (max-width: 980px){

    :root{
        --fz12:12px;
        --fz14:14px;
        --fz16:16px;
        --fz18:16px;
        --fz20:16px;
        --fz24:16px;
        --fz26:16px;
        --fz28:16px;
        --fz30:16px;
        --fz32:16px;
        --fz42:16px;
        --fz50:16px;
    }


    .head .head_bottom nav{display: none;}
    .head .inner{padding: 10px 0;width: 95%}
    .head .head_top{display: none;}
    .head .head_top a{padding: 5px}
    .head .head_top .news span{margin-right: unset;}
    .index_banner .prev_next .arrow{width: 30px;height: 30px}
    .head .head_bottom .phone_menu{display: block;}
    .head .phone_nav.active{display: block;animation: nav_right 0.5s ease;right: 0}
    @keyframes nav_right {
        0%  {right: -100%}
        100%{right: 0}
    }

    .main_width{width: 95%}
    .index_one{flex-direction: column;}
    .index_one .left,.index_one .right{width: 100%}
    .index_one .right .bottom .text{width: 85%;}
    .index_two .module_one{flex-direction: column;}
    .index_two .left,.index_two .right{width: 100%}

    .index_two .left .content{flex-direction: column;}
    .index_two .left .content a{width: 100%;margin-bottom: 10px}
    .index_two .module_two .content .prev_next .arrow{width: 30px;height: 30px}

    .index_three_bc .content{flex-direction: column;width: 95%;margin: 0 auto;}
    .index_three_bc .left,.index_three_bc .right{width: 100%}
    .index_three_bc .right .top{width: 100%;justify-content: space-between;margin-top: 10px}
    .index_three_bc .right .top a{margin-left: unset;}
    .index_three_bc .right .bottom{width: 100%;margin: 10px 0}
    .index_three_bc .right .bottom .item{margin-bottom: 10px}
    .index_three_bc .right .bottom_a{width: 100%;margin: 20px 0;}
    .index_four .content{grid-template-columns: repeat(3,32%);grid-row-gap: 10px;}
    .foot_0419{width: 95%;flex-direction: column;}
    .foot_0419 .foot_left_0419,.foot_0419 .foot_right_0419{width: 100%}
    .foot_0419 .foot_right_0419{margin-top: 10px}
    .foot_bc_0419{padding: 20px 0}



}