.bi_content .nr_pl_pd_tab_drivedown {
    margin-top: 30px;
    min-height: 500px
}

.bi_content .sys_nav {
    height: 50px;
    line-height: 50px;
    border-bottom: 1px solid #EA4120;
    color: #000
}

.bi_content .sys_nav li {
    width: 33.3%;
    height: 100%;
    float: left;
    text-align: center
}

.bi_content .sys_nav li a {
    display: block;
    width: 100%
}

.bi_content .sys_nav li .active {
    background: #EA4120;
    color: #fff
}

.bi_content .drive_data_item {
    display: none;
    padding: 30px 10px;
    color: #666;
    line-height: 36px
}

.bi_content .drive_data_item p {
    text-align: justify;
    font-size: 14px
}

.bi_content .drive_data_item .text_tit {
    margin-top: 30px;
    text-indent: 0;
    font-weight: 700;
    color: #000
}

.bi_content .drive_data_item a {
    color: #EA4120
}

.bi_content .drive_data_item a:hover {
    color: #EA4120
}

.bi_content .red {
    color: #EA4120
}

@media (max-width:767px) {
    .bi_content .nr_pl_pd_tab_drivedown {
        min-height: 6rem;
        margin-top: 0
    }
    .bi_content .sys_nav {
        height: .7rem;
        line-height: .7rem;
        font-size: .28rem
    }
    .bi_content .drive_data_item {
        line-height: .5rem;
        padding: .3rem .1rem;
        font-size: .26rem
    }
    .bi_content .drive_data_item p {
        font-size: .26rem
    }
    .bi_content .drive_data_item .text_tit {
        margin-top: .5rem
    }
}