html,body{
    width:100%;
    min-height:100%;
}

body {
    background-image: url("http://yimage.k7ss.com/qqxc/gfbg.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    -webkit-background-size: cover;
}
.sharetip{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    z-index: 20000;
}
.sharetip img{
    position: fixed;
    right: 18px;
    top: 5px;
    z-index: 999;
}
.downbtn{

    line-height: 60px;


    text-align:center;
     display: table-cell;
    vertical-align:middle;
    color: #1C1C1C;
    width: 220px;
    height: 60px;
    font-size: 24px;
    background: #FFFFFF;
    border-radius: 9px;
}
.btn1{
    position: absolute;
    top: 65%;
    right: 350px;
}
.btn2{
    position: absolute;
    top: 65%;
    right: 100px;
}
.logoimg{
    position: absolute;
    width: 108px;
    height: 108px;
}
.logotxt{
    position: fixed;
    left: 180px;
    top: 60px;
    font-size: 50px;
    color: white;
    width: 200px;
}
.logocontain{
    position: absolute;
    top: 40px;
    left: 50px;
}
.footer{
    position: absolute;
    bottom: 15px;
    width: 100%;
    text-align: center;
}
.fubiaoti{
    position: absolute;
    top: 55%;
    right:8% ;
    font-size: 40px;

    font-weight: bold;
    color: #242424;
    line-height: 35px;
}