/* 手机版  */

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

.m-top {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 1.35rem;
    z-index: 99;
    background: #bd2529;
}

.m-logo {
    display: block;
    position: absolute;
    left: 0.2rem;
    top: 0.3rem;
}

.m-logo img {
    width: 5rem;
}

.m-top .btn {
    position: absolute;
    z-index: 100;
    right: 0.24rem;
    top: 0.36rem;
    text-align: center;
}

.m-top .btn span {
    display: block;
    width: 30px;
    height: 2px;
    margin: 5px 0;
    background: #fff;
    -webkit-transition: .3s;
    transition: .3s;
}

.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;
    overflow-x: hidden;
    width: 100%;
    height: 100%;
}

header{
    display: none;
}

@media (min-width: 1200px){
    header{
        display: block;
        position: fixed;
        left: 0;
        top: 0;
        z-index: 99;
        width: 100%;
        height: 80px;
        background: #b60d12;
    }
    .logo{
        position: absolute;
        left: 60px;
        top: 8px;
    }

    .nav{
       position: absolute;
       z-index: 999;
       right: 60px;
       top: 0;
    }
    .nav ul{
        display: flex;
    }
    .nav ul li{
        padding: 25px 8px;
    }
    .nav ul li a{
        position: relative;
        display: block;
        height: 30px;
        overflow: hidden;
        font: 400 16px/30px '微软雅黑';
        color: #fae899;
    }
    .nav ul li a .n-t{
        position: relative;
        top: 0;
        transition: 0.6s;
    }
    .nav ul li a .n-b{
        position: absolute;
        left: 0;
        bottom: -30px;
        opacity: 0;
        transition: 0.6s;
    }
    .nav ul li a:hover .n-t{
        top: -30px;
        opacity: 0;
    }
    .nav ul li a:hover .n-b{
        bottom: 0;
        opacity: 1;
    }
    
}
 @media (min-width: 1480px) {
    header{
        height: 100px;
    }
    .logo{
        top: 18px;
    }
    .nav ul li{
        padding: 35px 8px;
    }
}