html {
    -webkit-text-size-adjust: none;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "微软雅黑", "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
}

.PC {
    max-width: 1920px;
    min-width: 1200px;
    margin: 0 auto;
}

.nav_btn {
    width: 70px;
    height: 70px;
    background: url(../img/nav.png) no-repeat center center;
    background-size: contain;
    position: absolute;
    right: 65px;
    display: none;
    top: 50px;
}

.header_back {
    width: 100%;
    height: 100%;
    position: fixed;
    visibility: hidden;
    top: 0;
    left: 0;
    z-index: 9999;
    background: rgba(1, 1, 1, .6);
    min-width: 1200px;
    max-width: 1920px;
    margin: 0 auto;
}

.header_show.header_back {
    visibility: visible;
}

.m_nav li a:active {
    background: #a6f8fd;
    border-radius: 5px;
    color: #000000;
}

.nav_btn_ac {
    width: 70px;
    height: 70px;
    background: url(../img/nav.png) no-repeat center center;
    background-size: contain;
    position: absolute;
    right: 65px;
    /* display: none; */
    top: 50px;
}

.m_nav li a:active {
    display: block;
    /* background:  */
    /* border-radius: 5px; */
    color: #00659d;
    text-align: center;
    background: url(../img/m-nav-act.png)no-repeat left center #ffcd30;
    ;
}

.m_nav {
    width: 12.9rem;
    position: fixed;
    right: 3rem;
    top: 7rem;
    display: none;
}

.m_nav li {
    line-height: 4.3rem;
    background: #0280ac;
    padding: 0;
    border-bottom: 1px dashed #66a3c4;
}
.m_nav li:first-child{
    border-top-left-radius: 10px;
    border-top-right-radius:10px;
}
.m_nav li a {
    font-size: 1.85rem;
    width: 100%;
    color: #ffffff;
    justify-content: center;
    align-items: center;
    display: flex;
    height: 100%;
}

.h5-sub-list {
    display: none;
    background-color: #08537d;
}

.h5-sub-list .h5-sub-item {
    border: none;
    line-height: 3.2rem;
    padding: 0;
    background-color: #08537d;
}

.h5-sub-list .h5-sub-item a {
    font-size: 1.5rem;
    text-align: center;
}

.h5-fir-menu {
    padding-bottom: 0 !important;
}

.fir-menu-text {
    font-size: 1.85rem;
    width: 100%;
    color: #ffffff;
    justify-content: center;
    align-items: center;
    display: flex;
    height: 100%;
}

@media (max-width: 1200px) {
    .nav {
        display: none;
    }
    .nav_btn {
        display: block;
    }
    .banner {
        background: url(../img/banner_logo.png)no-repeat center center;
    }
    .job_list {
        display: none;
    }
    .m_job_list {
        display: block;
    }
}