.topcontainer {
    width: 1920px;
}
#Download {
    width: 795px;
    height: 172px;
    text-align: center;
    position: absolute;
    top: 905px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 333;
    border-radius: 5px;
    background: url(../images/down.png) no-repeat left top !important;
}

#Download .btn_down_s1 {
    float: left;
    width: 259px;
    height: 89px;
    text-indent: -999em;
    margin-left: 106px;
    margin-top: 43px;
}

#Download .btn_down_s2 {
    float: left;
    width: 181px;
    height: 91px;
    text-indent: -999em;
    margin-left: 4px;
    margin-top: 39px;
}

#Download .btn_down_s3 {
    float: left;
    width: 181px;
    height: 101px;
    text-indent: -999em;
    margin-left: 4px;
    margin-top: 35px;
}













.bar {
    width: 100px;
    position: fixed;
    top: 202px;
    right: 30px;
    z-index: 1000000;
}

.bar .nor {
    color: #fff;
    width: 100px;
    height: 70px;
    display: block;
    text-align: center;
    text-decoration: none;
    font: 14px / 70px "微软雅黑";
    background: url(../image/op.png) center repeat;
    margin-bottom: 1px;
    outline: none;
}

.bar .nor:hover,
.bar .cur {
    background: #346244;
}

.bar .home {
    font: 18px / 70px "微软雅黑";
    outline: none;
}

.bar .home:hover {
    background: #346244;
}

.bar .top {
    width: 100px;
    height: 42px;
    display: block;
    text-align: center;
    background: url(../image/op.png) center repeat;
    outline: none;
}

.bar .top img {
    display: block;
    margin: 0 auto;
    padding-top: 11px;
}