body {
    background-color: #000000;
    margin: 0px;
    font-family: 'Microsoft YaHei';
    color: #808080;
}

div {
        width: 1400px;
        margin: 0px auto;
        background-color: #ffffff;
        height: 1800px;
        text-align:center;
    }

@keyframes sss {

    from {
        color: #ffffff;
        text-shadow: 0px 0px 50px #000000;
    }

    to {
        color: #ffffff;
        text-shadow: 0px 0px 2px #000000;
    }
}



body div span:first-child {
    background-color: #202020;
    width: 330px;
    height: 1800px;
    float: left;
    text-align: center;
}

    body div span:first-child a img {
        width: 160px;
        margin: 60px auto;
        transition: all 0.3s;
    }

        body div span:first-child a img:hover {
            margin: 70px auto 50px auto;
        }

    body div span:first-child a:first-child {
        border-top: none;
        display: block;
        background-color: #202020;
        width: 330px;
        height: 420px;
    }

        body div span:first-child a:first-child:hover {
            background-color: #202020;
        }

    body div span:first-child a {
        border-top: 1px solid #404040;
        display: block;
        width: 330px;
        height: 100px;
        transition: all 0.3s;
        cursor: pointer;
    }

        body div span:first-child a:hover {
            background-color: #2a80bc;
            color: #ffffff;
        }

    body div span:first-child a {
        line-height: 100px;
        font-size: 22px;
        color: #a0a0a0;
        text-decoration: none;
    }

body div span:last-child {
    width: 1070px;
    height: 1800px;
    float: right;
    border-top: 10px solid #2a80bc;
    background-image: url("/Image/sbsb_s.png");
    text-align: center;
}

    body div span:last-child strong {
        font-size: 68px;
        display: block;
        margin-top: 120px;
        margin-bottom: 20px;
    }

    body div span:last-child small {
        display: block;
        font-size: 80px;
        line-height: 100px;
        animation-duration: 1.5s;
        animation-name: sss;
        animation-iteration-count: infinite;
        animation-direction: alternate;
    }

    body div span:last-child b {
        font-size: 20px;
        line-height: 150px;
        display: block;
    }

    body div span:last-child a {
        font-size: 20px;
        line-height: 50px;
        display: block;
        text-decoration: none;
        color: #808080;
        font-weight: 700;
        transition: all 0.3s;
    }

        body div span:last-child a:hover {
            color: #808080;
            font-size: 22px;
        }