.lanmub_advantage1 {
    background: rgba(0, 0, 0, 0) url("../images/ys_bg.jpg") repeat scroll 0 0;
    overflow: hidden;
}
.lanmub_advantage1 h2 {
    height: 273px;width:1200px; margin:0 auto;
}
.lanmub_advantage1 .advantage {
	width:1200px; margin:0 auto;
}
.lanmub_advantage1 .advantage_txt {
    float: left;
    padding-left: 115px;
    width: 520px; position:relative;
}
.lanmub_advantage1 .advantage_img {
    float: right;
    margin-right: 40px;
}

.lanmub_advantage1 .advantage_1 {
    height: 350px;
    overflow: hidden;
}
.lanmub_advantage1 .advantage_2 {
    height: 394px;
    overflow: hidden;
}
.lanmub_advantage1 .advantage_2 .advantage_img{
    float: left;
    margin: 30px 10px 0 20px;
}
.lanmub_advantage1 .advantage_3 {
    height: 340px;
    overflow: hidden;
}

.lanmub_advantage1 .advantage_2 .advantage_txt {
    float: right;
    margin-top: 40px;
}
.lanmub_advantage1 .advantage_3 .advantage_txt {
    margin-top: 40px;
}
.lanmub_advantage1 .advantage h3 {
    border-bottom: 1px dashed #ccc;
    font-size: 24px;
    font-weight: normal;
    height: 86px;
    width: 360px; text-align:left;
}
.lanmub_advantage1 .advantage h3 b {
    color: #333;
    display: block;
    font-size: 20px;
}
.lanmub_advantage1 .advantage p {
    background: rgba(0, 0, 0, 0) url("../images/ys_ico1.gif") no-repeat scroll 0 8px;
    color: #666;
    font-size: 16px;
    line-height: 25px;
    margin-top: 12px;
    padding-left: 16px; text-align:left;
}
.lanmub_advantage1 .advantage a {
    color: #fff;
    display: block;
    font-size: 14px;
    height: 38px;
    line-height: 38px;
    margin-top: 34px;
    text-align: center;
    width: 122px;
}
.lanmub_advantage1 .advantage span {
    color: #555;
    display: block;
    font-size: 14px;
    margin-top: 30px;
}
.lanmub_advantage1 .advantage span b {
    color: #424242;
    font-size: 32px;
    letter-spacing: -2px;
}