/* 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: #fff;
}

.m-logo {
    display: block;
    position: absolute;
    left: 10px;
    top: 15px;
}

.m-logo img {
    height: 34px;
}

.m-top .btn {
    position: absolute;
    z-index: 100;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    padding: 10px 0 0;
    text-align: center;
    background: #22943a;
}

.m-top .btn::after {
    content: '导航';
    position: absolute;
    left: 0;
    bottom: 6px;
    width: 100%;
    font-size: 16px;
    line-height: 18px;
    color: #fff;
    text-align: center;
}

.m-top .btn span {
    display: block;
    width: 30px;
    height: 3px;
    margin: 0 auto;
    background: #fff;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

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

.cross span:nth-of-type(1) {
    transform: translateY(8px) rotate(-45deg);
}

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

.cross span:nth-of-type(3) {
    transform: translateY(-8px) 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 {
        display: block;
        position: absolute;
        z-index: 99;
        left: 0;
        top: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.9);
    }
    .head {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 72vw;
        margin: 0 auto;
    }
    .logo img {
        width: 25vw;
    }
    .nav ul {
        display: flex;
    }
    .nav ul li {
        padding: 0 1px;
    }
    .nav ul li a {
        display: block;
        padding: 1.5vw 0.8vw;
        font-size: 0.9vw;
        line-height: 1vw;
        color: #000;
    }
    .nav ul li a span {
        display: block;
        padding: 0.5vw 0;
    }
    .nav ul li a:hover {
        color: #fff;
        background: url(../images/nav_li_bg.png) no-repeat center 0/100%;
    }
    .nav ul li a:hover span {
        background: url(../images/xinger.png) no-repeat right bottom/auto 0.45vw;
    }
}