@charset "utf-8";
.pchidden{display:none;}
@media screen and (max-width: 767px) {
    .pchidden {display: block;}
    .mhidden{ display:none!important;}

    .header {
        position: fixed;
        pointer-events: all;
        z-index: 999999;
        background-color: #000;
        width: 100%;
        line-height: 17px;
        height: 70px;
        max-height: 100%;
        padding: 26px 0;
        transform: translateY(0px);
        -webkit-transform: translateY(0px);
        transition: all 250ms ease-in-out;
        border-bottom: solid 1px rgba(0, 0, 0, 0.1);
    }
    .main-logo {
        background-image: url(http://www.xiangaopeng.com/mb1/images/logo-dark.png);
        width: 110px;
        height: 40px;
        background-size: 110px 40px;
        background-repeat: no-repeat;
        margin-top: -8px;
        float: left;
        margin-left: 20px;
    }

    .open-call {
        float: right;
        width: 50px;
        font-size: 35px;
        text-align: center;
        color: #a5a5a5;
        margin-top: -8px;
    }

    .open-mail {
        float: right;
        width: 50px;
        font-size: 35px;
        text-align: center;
        color: #a5a5a5;
        margin-top: -8px;
    }

    .open-menu {
        float: right;
        width: 50px;
        font-size: 35px;
        text-align: center;
        color: #a5a5a5;
        margin-top: -8px;
    }

    .menu_nav {
        width: 100%;
        height: 100vh;
        display: none;
        position: fixed;
        z-index: 9999999999999999999;
        background: #000;
        transition: all ease 0.35s;
        overflow: hidden;
    }

    .menu_nav2 {
        height: 100vh;
        display: block;
    }

    .gbmenu {
        position: absolute;
        right: 30px;
        top: 30px;
        color: #dcdcdc;
        font-size: 35px;
        font-weight: bold;
    }
    .menu_nav ul{position: absolute; margin: auto; left: 0; right: 0; top: 0; bottom: 0; width: 150px; height: 300px;}
    .menu_nav ul li{text-align: center; line-height: 60px; font-size: 24px; font-weight: bold;}
    .menu_nav ul li a{color: #fff; text-decoration: none;}
    .menu_nav ul a:hover .english,.menu_nav ul li .zhongwen{display:none}
    .menu_nav ul a:hover .zhongwen{display: block;}







}