.big_comps_box {
    width: 100%;
    background: #fafafa;
}

.big_comps_box .inner {
    width: 1200px;
    margin: 0 auto;
}

.title_img {
    width: 100%;
    padding-top: 26px;
    padding-bottom: 20px;
}

.title_img img {
    width: 100%;
}

.comps_box {
    background: #fff;
}

.comps_box .title {
    font-size: 18px;
    color: #333333;
    padding-top: 36px;
    margin-bottom: 14px;
    text-align: center;
    font-weight: bold;
}

.comps_box .title .hengxian {
    height: 1px;
    width: 70px;
    background: #999999;
    display: inline-block;
    margin-bottom: 6px;
}

.comps_box .desc {
    text-align: center;
    font-size: 12px;
    margin-bottom: 38px;
    color: #999999;
}

.companys {
    width: 100%;
}

.companys .companys_list {
    margin-bottom: 30px;
    padding: 0 26px;
}

.companys .companys_list li {
    float: left;
    width: 268px;
    height: 160px;
    margin-right: 25px;
    position: relative;
    background: url('/images/comps_bg.png') no-repeat;
    background-size: 100%;
    background-size: cover;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.companys .companys_list li>img {
    margin-top: 16px;
}

.companys .companys_list li:nth-of-type(4n) {
    margin-right: 0;
}

.companys .companys_list li .comp_name {
    font-size: 18px;
    color: #333333;
    margin-top: 2px;
    margin-bottom: 5px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-left: 10px;
}

.companys .companys_list li .rz_time {
    font-size: 12px;
    color: #999999;
}

.add_comp {
    float: left;
    width: 258px;
    height: 143px;
    border: 2px dashed #e6e6e6;
    border-radius: 4px;
    margin-top: 9px;
    margin-left: 9px;
    text-align: center;

}

.add_comp img {
    margin-top: 36px;
}

.add_comp p {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    color: #999999;
    margin-top: 10px;
}

.qh_mask {
    position: absolute;
    width: 258px;
    height: 147px;
    background: #000000;
    opacity: 0.6;
    top: 170px;
    left: 7px;
    transition: all 0.5s;
}

.companys .companys_list li:hover .qh_mask {
    top: 6px;
}
.companys .companys_list li:hover .switchover {
    top: 62px;
}

.switchover {
    position: absolute;
    font-size: 16px;
    color: #fff;
    width: 140px;
    height: 30px;
    line-height: 30px;
    top: 180px;
    left: 66px;
    transition: all 0.5s;
    cursor: pointer;
    background: linear-gradient(to right,#e0200f,#f47147);
    background: -webkit-linear-gradient(to right, #e0200f,#f47147);
    background: -o-linear-gradient(to right, #e0200f,#f47147); 
    background: -moz-linear-gradient(to right, #e0200f,#f47147);
}
/* .add_comp .mask_add{
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 10;
} */