.plr20 {
    padding-left: 20px;
    padding-right: 20px;
}

.extop1 {
    border: 1px solid #cccccc;
    background-color: white;
    /* overflow: hidden; */
    margin-bottom: 27px;
    padding-bottom: 15px;
}

.commonPro_box {
    display: flex;
    display: -webkit-flex;
    background-color: #fff;
    padding: 20px 0;
    min-height: 340px;
}

.commPro-nav {
    width: 250px;
}

.commPro-nav>li {
    margin-bottom: 10px;
}

.commPro-nav>li.active .nav-item {
    background-color: #dc5a4f;
    color: #fff;
}

.commPro-nav .nav-item {
    display: block;
    height: 40px;
    background-color: #f2f2f2;
    padding-left: 10px;
    padding-right: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
}

.commonPro_box .tab-content {
    flex: 1;
    border: none;
    padding: 0;
    margin-left: 20px;
}

.commonPro-item .step-text {
    margin-bottom: 5px;
    font-size: 16px;
    font-weight: bold;
}

.step-text+.step-text {
    margin-top: 10px;
}

.commonPro-item img {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}

.line26 {
    line-height: 26px;
    white-space: normal;
}

.commonPro-item .line26 {
    margin-bottom: 6px;
}

.commonPro-link {
    margin-left: 20px; 
    color: #dc5a4f;
    text-decoration: underline;
}