html,body,div,ul,li,span,img{
    margin: 0;
    padding: 0;
}
html,body{
    width: 100%;
    height:100%;
    overflow: hidden;
}
.slide_1{
    background: url('./style/1.jpg') no-repeat center;
    background-size: cover;
    overflow: hidden;
}
.slide_2{
    background: url('./style/2.jpg') no-repeat center;
    background-size: cover;
    overflow: hidden;
}
.slide_3{
    background: url('./style/3.jpg') no-repeat center;
    background-size: cover;
    overflow: hidden;
}
.slide_4{
    background: url('./style/4.jpg') no-repeat center;
    background-size: cover;
    overflow: hidden;
}
@media only screen and (min-width: 1024px) {
    .head{
        width: 100%;
        height: 100px;
        margin-top: 20px;
        padding: 0 10%;
        box-sizing: border-box;
        -moz-box-sizing: border-box;
        -webkit-box-sizing: border-box;
        position: relative;
        z-index: 3;
    }
    .head .logo{
        float: left;
        height: 100%;
    }
    .logo img{
        display: block;
        height: 100%;
    }
    .icon{
        display: none;
    }
    .list{
        float: right;
        height: 100%;
    }
    .list a{
        text-decoration: none;
    }
    .list li{
        height: 100%;
        line-height: 100px;
        display: inline-block;
        padding: 0 10px;
        color: #ffffff;
        box-sizing: border-box;
        -moz-box-sizing: border-box;
        -webkit-box-sizing: border-box;
    }
    .swiper-container{
        width: 100%;
        height: 100%;
        position: absolute;
        left: 0;
        top: -120px;
    }
    .swiper-wrapper{
        width: 100%;
        height: 100%;
    }
    .content{
        width: 100%;
        height: 100%;
        text-align: center;
        color: #ffffff;
    }
    .content .box{
        width: 400px;
        height: 300px;
        position: absolute;
        left: 50%;
        top:40%;
        margin-left: -200px;
        margin-top: -150px;
    }

    .content h1{
        font-size: 50px;
        position: relative;
    }
    .content h1::after{
        content: '';
        width:200px;
        height: 2px;
        position: absolute;
        left: 50%;
        margin-left: -100px;
        bottom: -10px;
        background: #d74f51;
    }
    .btn{
        display: inline-block;
        width: 90px;
        height: 40px;
        color: #ffffff;
        text-decoration: none;
        background: #d74f51;
        line-height: 40px;
        border-radius: 4px;
        text-align: center;
        position:absolute;
        left: 50%;
        top:44%;
        margin-left: -45px;
        z-index: 4;
    }
    .btn:hover{
        background: none;
        color: #d74f51;
        border: 1px solid #d74f51;
    }
}
@media only screen and (max-width: 1024px) {
    .head{
        width: 100%;
        height:24%;
        background: #000000;
    }
    .logo{
        width: 100%;
        height: 100%;
        text-align: center;
        position: relative;
    }
    .logo img{
        display: inline-block;
        width: 80%;
        height: 50%;
        margin-top:20px;
    }
    .swiper-container{
        width: 100%;
        height: 76%;
        text-align: center;
        color: #ffffff;
    }
    .content .box{
        width: 400px;
        height: 300px;
        position: absolute;
        left: 50%;
        top:60%;
        margin-left: -200px;
        margin-top: -150px;
    }
    .content h1{
        position: relative;
    }
    .content h1::after{
        content: '';
        width:160px;
        height: 2px;
        position: absolute;
        left: 50%;
        margin-left: -80px;
        bottom: -10px;
        background: #d74f51;
    }
    .btn{
        display: inline-block;
        width: 90px;
        height: 40px;
        color: #ffffff;
        text-decoration: none;
        background: #d74f51;
        line-height: 40px;
        border-radius: 4px;
        text-align: center;
        position:absolute;
        left: 50%;
        top:70%;
        margin-left: -45px;
        z-index: 4;
    }
    .list{
        width: 70%;
        position: absolute;
        z-index: 4;
        margin-left:-35%;
        left: 50%;
        display: none;
    }
    .list ul{
        width: 100%;
        height: 100%;
        background: #1c1c1c;
    }
    .list a{
        list-style: none;
        display: block;
        height: 36px;
        line-height: 36px;
        border-bottom: 1px solid #ffffff;
        padding: 0 10px;
        box-sizing: border-box;
        -moz-box-sizing: border-box;
        -webkit-box-sizing: border-box;
    }
    .list a:last-of-type{
        border-bottom: none;
    }
    .list a{
        text-decoration: none;
        color: #ffffff;
        font-size: 0.8rem;
    }
    .icon{
        width: 40px;
        height: 40px;
        position: absolute;
        left: 50%;
        bottom: 14px;
        margin-left: -20px;
        cursor: pointer;
    }
    .icon img{
        margin: 0;
        display: block;
        width: 100%;
        height: 100%;
    }
}
.footer{
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9;
    background: rgba(0, 0, 0, .6);
    text-align: center;
}
.footer .content{
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    padding: 8px 0;
}
.footer .content a{
    color: #ffffff;
    font-size: 14px;
    text-decoration: none;
    line-height: 20px;
}
.footer .content a:hover{
    text-decoration: underline;
}