.product-left {
    width: 23%;
}

.product-right {
    width: 73%;
    padding-right: 60px;
}

.product {
    padding: 70px 0;
    overflow: hidden;
}

.product-left .sidebar {
    background: #f7f7f7;
}

.product-left .sidebar h3 {
    padding: 20px 0;
    font-size: 22px;
    font-weight: normal;
    padding: 20px 50px 20px 60px;
}

.product-left .sidebar .Collapsing {
    background: url(../images/icon-a.png) no-repeat right 40px center;
}

.product-left .sidebar .current {
    color: #ffffff;
    background: url(../images/icon-b.png) no-repeat right 40px center #ce0001;
}

.product-left .coll_body a {
    display: block;
    padding: 16px 50px 16px 60px;
    font-size: 18px;
    color: #939393;
}

.box-hidden {
    display: none;
}