.com {
    height:12.54rem;
    width: 100%;
    background: url("../assets/c_bg.png") no-repeat center;
    background-size: 7.50rem 13.34rem;
    position: relative;
}
.company_list {
    top: 7rem;
    position: absolute;
}
.company_box {
    width: 3.20rem;
    height: 1.60rem;
    font-size: 20px;
    background-color: rgba(255, 255, 255, .4);
    /* opacity: .4; */
    text-align: center;
    line-height: 1.60rem;
    color: #454545;
    border-radius: 4px;
    font-weight: 700;
    display: inline-block;
    margin: 0 0 0.3rem 0.1rem;
}