.proser-content {
    margin-top: 100px;
    min-width: 1200px;
}

.proser-list {
    width: 1200px;
    margin: 30px auto 0 auto;
    height: 600px;
}

    .proser-list li {
        float: left;
    }

        .proser-list li a {
            height: 537px;
            width: 590px;
            display: block;
        }

.fixpro:hover .fixproimg, .proparts:hover .propartsimg {
    display: none;
}

.maintaincontent {
    width: 1200px;
    margin: 0 auto;
}

.proser-nav {
    height: 30px;
    margin-top: 10px;
}

    .proser-nav li {
        float: left;
        margin-right: 30px;
    }

    .proser-nav span {
        font-size: 16px;
        line-height: 30px;
    }

.maintaintext {
    font-size: 20px;
}

    .maintaintext img {
        margin-left: 15px;
        cursor: pointer;
    }

.maintaintext2 {
    font-size: 14px;
    color: #666666;
    line-height: 22px;
}

.maintaintext3 {
    font-size: 18px;
    color: #666666;
    margin-top: 24px;
    margin-bottom: 12px;
}

    .maintaintext3 img {
        vertical-align: middle;
        margin-right: 15px;
    }

.maintaintext4 {
    font-size: 16px;
    color: #666666;
    line-height: 25px;
}

.contenttitle1 {
    font-size: 18px;
    color: #666666;
    margin-bottom: 5px;
    margin-top: 25px;
    white-space: pre;
}

.contenttitle2 {
    font-size: 14px;
    color: #666666;
    line-height: 23px;
    margin-left: 35px;
    white-space: pre;
}

.contenttitle3 {
    font-size: 16px;
    color: #666666;
    white-space: pre;
    margin-bottom: 6px;
}

.attention {
    font-weight: 600;
    font-size: 18px;
    margin-top: 3px;
    margin-bottom: 8px;
}

#maintaintcd, #maintainvbp9, #maintainvbp10, #maintainsg {
    display: none;
}

.productul li {
    margin-top: 30px;
}

    .productul li img {
        margin-right: 20px;
    }