/* 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: 45px;
    background: #fff;
}

.m-logo {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
}

.m-logo img {
    height: 45px;
}

.m-top .btn {
    position: absolute;
    z-index: 100;
    top: 12px;
    right: 10px;
    text-align: center;
}

.m-top .btn img {
    height: 22px;
}

.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 {
        display: block;
        position: absolute;
        z-index: 99;
        left: 0;
        top: 0;
        width: 100%;
        height: 74px;
        background: rgba(255, 255, 255, 0.5);
    }

    .logo {
        position: absolute;
        z-index: 5;
        left: 0;
        top: 0;
    }

    header .logo img {
        height: 74px;
    }

    .nav {
        position: absolute;
        z-index: 5;
        right: 0;
        top: 0;
        height: 100%;
    }

    .nav .nav-ul {
        display: flex;
    }

    .nav .nav-ul .lev {
        position: relative;
    }

    .nav .nav-ul .lev a {
        display: block;
        padding: 19px 20px;
        font: 400 14px/24px '微软雅黑';
        color: #404040;
    }

    .nav .nav-ul .lev a span {
        display: block;
        padding: 6px 0;
        background: url(../images/nav_li_line.png) no-repeat center bottom/0 2px;
        transition: 0.3s;
    }

    .active .lev-box {
        display: block;
    }

    .lev-box {
        display: none;
        position: absolute;
        left: 0;
        top: 75px;
        width: 400px;
        background: #fff;
    }

    .lev-con {
        display: flex;
        justify-content: space-between;
        padding: 5px;
    }

    .lev-con ul {
        width: 86px;
    }

    .lev-con ul li {
        padding-top: 6px;
    }

    .lev-con ul li:nth-child(1) {
        padding-top: 0;
    }

    .nav .nav-ul .lev-con a {
        display: block;
        padding: 0;
        font: 400 14px/38px "微软雅黑";
        color: #fff;
        text-align: center;
        background: #eab800;
    }

    .nav .nav-ul .lev a:hover {
        font-weight: bold;
        color: #ec9300;
        background: #fff url(../images/nav_li_bg.png) no-repeat center 0;
    }

    .nav .nav-ul .lev a:hover span {
        background-size: 50px 2px;
    }

    .nav .nav-ul .lev-con a:hover {
        color: #fff;
        background: #313131;
    }
}

@media (min-width: 1480px) {
    header {
        height: 90px;
    }

    header .logo img {
        height: auto;
    }

    .nav .nav-ul .lev {
        padding: 0 0 24px;
    }

    .nav .nav-ul .lev a {
        padding: 24px 35px;
        font: 400 14px/30px '微软雅黑';
    }

    .nav .nav-ul .lev a span {
        padding: 6px 0;
    }


    .lev-box {
        top: 90px;
        width: 430px;
    }

    .lev-con ul {
        width: 116px;
    }

    .nav .nav-ul .lev-con a {
        padding: 0;
        font: 400 14px/38px "微软雅黑";
    }
}


/* 侧边 */
@media (min-width: 1200px) {
    .fixed {
        display: flex;
        position: fixed;
        z-index: 12;
        left: 0;
        top: 35%;
        cursor: pointer;
        transform: translate3d(-180px, 0, 0);
        transition: 1s;
    }

    .fixed p img {
        width: 178px;
    }

    .fixed:hover {
        transform: translate3d(0, 0, 0);
    }
}