/* 手机版*/

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

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

.m-logo {
    display: block;
    position: absolute;
    left: 10px;
    top: 8px;
}

.m-top .btn {
    position: absolute;
    z-index: 100;
    top: 22px;
    right: 10px;
    text-align: center;
}

.m-top .btn span {
    display: block;
    width: 20px;
    height: 3px;
    background: #385e8f;
    -webkit-transition: .3s;
    transition: .3s;
}

.m-top .btn span:nth-of-type(2) {
    margin: 4px 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(-5px) 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, .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: 999;
        left: 0;
        top: 0;
        width: 100%;
        height: 80px;
        background: #ffff;
        border-bottom: 3px solid #000000;
    }

    header .container {
        position: relative;
    }

    .logo {
        position: absolute;
        left: 0;
        top: 14px;
    }

    .nav {
        position: absolute;
        z-index: 11;
        right: 0;
        top: 0;
    }

    .nav ul {
        display: flex;
    }

    .nav ul li {
        padding: 0 2px;
    }

    .nav ul li a {
        display: block;
        padding: 1px 15px 0;
        font: 400 16px/76px '微软雅黑';
        color: #000;
        text-align: center;
        background: url(../images/nav_li_bg.jpg) no-repeat center bottom/100% 0;
        transition: 0.3s;
    }

    .nav ul li a:hover {
        color: #fff;
        background-size: 100% 100%;
    }

    .nav ul li.active a {
        color: #fff;
        background-size: 100% 100%;
    }

}

@media (min-width:1380px) {
    .logo img {
        width: 265px;
    }
}

@media (min-width:1480px) {
    header {
        height: 100px;
    }

    .logo {
        top: 25px;
    }

    .logo img {
        width: auto;
    }

    .nav ul li a {
        line-height: 96px;
    }
}