/* 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;
    border-bottom: 1px solid #c20b17;
}

.m-logo {
    display: block;
    position: absolute;
    left: 10px;
    top: 6px;
}

.m-logo img {
    height: 48px;
}

.m-top .btn {
    position: relative;
    position: absolute;
    z-index: 100;
    top: 22px;
    right: 10px;
    padding-right: 42px;
    text-align: center;
}

.m-top .btn::before {
    content: '导航';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 18px;
    line-height: 20px;
    color: #a00009;
}

.m-top .btn span {
    display: block;
    width: 30px;
    height: 4px;
    background: #ca0000;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

.m-top .btn span:nth-child(2) {
    margin: 4px 0;
}

.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%;
    }
    .logo {
        position: absolute;
        z-index: 1;
        left: 2vw;
        top: 1vw;
    }
    .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: #ca0000;
        -webkit-transition: 0.3s;
        transition: 0.3s;
    }
    .m-top .btn span:nth-child(2) {
        margin: 5px 0;
    }
    .nav-btn {
        position: absolute;
        z-index: 90;
        right: 1vw;
        top: 2vw;
        padding: 0.8vw;
        background: #d70115;
        border-radius: 8px;
        cursor: pointer;
    }
    .nav-btn span {
        display: block;
        width: 30px;
        height: 4px;
        background: #fff;
        -webkit-transition: 0.3s;
        transition: 0.3s;
    }
    .nav-btn span:nth-child(2) {
        margin: 5px 0;
    }
    .nav-btn .cross span:nth-of-type(1) {
        transform: translateY(9px) rotate(-45deg);
    }
    .nav-btn .cross span:nth-of-type(2) {
        opacity: 0;
    }
    .nav-btn .cross span:nth-of-type(3) {
        transform: translateY(-9px) rotate(45deg);
    }
    .nav {
        position: fixed;
        z-index: 50;
        top: 0;
        right: 0;
        width: 100%;
        padding-left: 80vw;
        height: 100vh;
        opacity: 0;
        transform: translate3d(100%, 0, 0);
        transition: 0.8s;
    }
    .nav.active {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
    .nav ul {
        height: 100%;
        padding: 10vw 0 0;
        background: rgba(0, 0, 0, 0.8);
    }
    .nav ul li {
        width: 100%;
    }
    .nav ul a {
        display: block;
        font-size: 1vw;
        line-height: 3vw;
        text-align: center;
        color: #fff;
    }
    .nav ul a:hover {
        color: #ca0000;
    }
}