/* 手机版*/

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

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

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

.m-logo img {
    height: 40px;
}

.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: #215f48;
    -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) {

    body {
        background: #fff;
    }

    header {
        display: block;
        padding: 0 6.25%;
    }

    .head {
        position: relative;
        z-index: 1;
        width: 1200px;
        margin: 0 auto;
    }

    .logo {
        position: absolute;
        z-index: 5;
        left: 50%;
        top: 30px;
        margin-left: -32px;
    }

    .nav ul {
        display: flex;
        justify-content: center;
        padding: 50px 0;
    }

    .nav ul li {
        justify-content: center;
        padding: 0 30px;
    }

    .nav ul li:nth-child(4) {
        margin-right: 200px;
    }

    .nav ul li a {
        display: block;
        font: 400 14px/36px '微软雅黑';
        color: #000;
        text-align: center;
        transition: 0.3s;

    }

    .nav ul li a:hover {
        color: #215f48;
        transform: translate3d(0, -10px, 0);
    }
}

/* 底部 */
.bottom-nav {
    display: none;
}

@media (min-width: 1200px) {
    .bottom-nav {
        display: block;
        padding: 0 6.25%;
    }

    .bottom-nav ul {
        display: flex;
        justify-content: center;
        border-bottom: 1px solid #cbcbcb;
    }

    .bottom-nav ul li {
        padding: 0 40px;
    }

    .bottom-nav ul a {
        display: block;
        padding: 30px 0 42px;
        font: 400 16px/24px '微软雅黑';
        color: #000;
        background: url(../images/foot_nav_bg.png) no-repeat 0 bottom/0 3px;
        transition: 0.3s;
    }

    .bottom-nav ul a:hover {
        background-size: 100% 3px;
    }
}


/* 页脚 */
footer {
    padding: 0 0 20px;
    border-top: 1px solid #cbcbcb;
}

.foot-logo {
    padding: 20px 0 10px;
    text-align: center;
}

.foot-adress {
    font: 400 12px/20px '微软雅黑';
    color: #000;
    text-align: center;
}

.foot-line {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.foot-line p {
    padding: 0 5px;
}

@media (min-width: 1200px) {
    footer {
        padding: 0 0 90px;
        border: 0;
    }

    .foot-logo {
        padding: 70px 0 30px;
        text-align: center;
    }

    .foot-adress {
        font: 400 14px/24px '微软雅黑';
        color: #000;
        text-align: center;
    }

    .foot-line {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .foot-line p {
        padding: 0 5px;
    }
}