/* 手机版*/

body {
    position: relative;
    overflow-x: hidden;
    background: #333;
}

.m-top {
    position: absolute;
    z-index: 99;
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
    background: #0071da;
    border-bottom: 2px solid #fff;
}

.m-logo {
    display: block;
    position: absolute;
    left: 10px;
    top: 12px;
}

.m-logo img {
    height: 36px;
}

.m-top .btn {
    position: absolute;
    z-index: 100;
    top: 19px;
    right: 10px;
    text-align: center;
}

.m-top .btn span {
    display: block;
    width: 30px;
    height: 4px;
    background: #fff;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

.m-top .btn span:nth-child(2) {
    margin: 5px 0;
}

.cross span:nth-of-type(1) {
    transform: translateY(9px) rotate(-45deg);
}

.cross span:nth-of-type(2) {
    opacity: 0;
}

.cross span:nth-of-type(3) {
    transform: translateY(-9px) rotate(45deg);
}

.m-nav {
    position: absolute;
    z-index: 99;
    right: -150px;
    top: 0;
    width: 0;
    height: 100%;
    overflow: hidden;
    padding-top: 86px;
    background: #333;
}

.m-nav li a {
    display: block;
    font: 400 16px/36px "微软雅黑";
    color: #fff;
    text-align: center;
}

.m-menu {
    margin: 0 auto;
}

.m-menu li {
    float: left;
    width: 33.3%;
    padding: 5px;
}

.m-menu li a {
    display: block;
    font: 400 14px/36px "Microsft yahei";
    color: #1a1a1a;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
}

.wrapper {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    background: #fff;
}

header {
    display: none;
}

@media (min-width: 1200px) {
    header {
        position: relative;
        z-index: 99;
        display: block;
    }

    .head {
        position: absolute;
        z-index: 80;
        left: 0;
        top: 0;
        width: 100%;
    }

    .logo {
        position: absolute;
        left: 10px;
        top: 15px;
    }
    
    .logo img{
        height: 40px;
    }

    .nav {
        position: absolute;
        z-index: 5;
        right: 0;
        top: 0;
        width: 100%;
        padding-bottom: 4px;
        background: url(../images/nav_bg.png) no-repeat right 0/auto 64px;
    }

    .menu {
        display: flex;
        justify-content: flex-end;
    }

    .menu .lev {
        position: relative;
        width: 138px;
    }

    .menu>li>a {
        display: block;
        font: 400 16px/60px '微软雅黑';
        text-align: center;
        color: #fff;
        border: 1px solid #0071da;
    }

    .menu-down {
        display: none;
        position: absolute;
        z-index: 1;
        left: 0;
        top: 62px;
        width: 100%;
        background: #0071da;
    }

    .meun-down-name {
        padding: 10px 0 10px 30px;
        font: bold 48px/64px '微软雅黑';
        color: #fff;
        background: url(../images/nav_jx.png) no-repeat center 95%/90%;
    }

    .menu-down ul li {
        padding: 1px 2px;
    }

    .menu-down ul li a {
        display: block;
        font: 400 12px/36px '微软雅黑';
        color: #0071da;
        text-align: center;
        background: #fff;
    }
    .menu .lev:hover>a{
        color: #0071da;
        background: #fff;
    }
    .menu-down ul li a:hover{
        color: #fff;
        background: #0071da;
    }
}


@media (min-width: 1480px) {
    .logo {
        left: 20px;
        top: 10px;
    }
    .logo img{
       height: auto;
    }

    .nav {
        padding-bottom: 8px;
        background: url(../images/nav_bg.png) no-repeat right 0;
    }

    .menu {
        display: flex;
        justify-content: flex-end;
    }

    .menu .lev {
        position: relative;
        width: 160px;
    }

    .menu>li>a {
        display: block;
        font: 400 16px/72px '微软雅黑';
        text-align: center;
        color: #fff;
    }

    .menu-down {
        top: 72px;
    }

    .meun-down-name {
        padding: 10px 0 10px 30px;
        font: bold 54px/64px '微软雅黑';
    }
}