body {
}



.container {
    height: 50px;
    width: 100%;
    background-color: black;
}

.navbar-header {
    height: 52px;
    width: 100px;
    position: absolute;
    top: 0px;
    left: 100px;
}

.navbar-header-right {
    height: 52px;
    width: 100%;
}

    .navbar-header-right ul {
        margin: 0 auto;
        text-align: center;
        float: right;
        color: white;
        margin-right: 100px;
    }

        .navbar-header-right ul li {
            float: left;
            list-style-type: none;
            padding-left: 18px;
            height: 35px;
            margin: 0 auto;
            text-align: center;
            margin-top: 15px;
            margin-right: 20px;
        }

            .navbar-header-right ul li a {
                text-decoration: none;
                font-size: 15px;
                color: white;
                font-family: "微软雅黑";
            }

.page-scroll {
    height: 50px;
    width: 82px;
}




/*menu  css*/
.about-down {
    width: 812px;
    height: 30px;
    float: right;
}

.downMenu {
    width: 100%;
    height: 31px;
    background-color: black;
    position: absolute;
    top: 49px;
    z-index: 1000;
}

#about-down dl {
    width: 100%;
    margin: 0 auto;
}

.about-down dl dd {
    width: 100px;
    float: left;
    text-align: right;
}

    .about-down dl dd a {
        color: white;
        font-size: 14px;
        text-decoration: none;
        font-family: 'Microsoft YaHei';
    }



.about-down3 {
    width: 600px;
    height: 30px;
    float: right;
}

    .about-down3 dl {
        width: 100%;
        padding-left: 227px;
    }

        .about-down3 dl dd {
            width: 100px;
            height: 30px;
            float: left;
        }

            .about-down3 dl dd a {
                color: white;
                font-size: 14px;
                text-decoration: none;
                font-family: 'Microsoft YaHei';
            }

.about-down4 {
    width: 500px;
    height: 30px;
    float: right;
}

    .about-down4 dl {
        width: 100%;
        padding-left: 330px;
    }

        .about-down4 dl dd {
            width: 100px;
            height: 30px;
            float: left;
        }

            .about-down4 dl dd a {
                color: white;
                font-size: 14px;
                text-decoration: none;
                font-family: 'Microsoft YaHei';
            }