.p4c3 {
    /* 产品型号：P-D型 */

    position: absolute;
    left: 45%;
    top: 0px;
    width: 45%;
    height: 100%;
    opacity: 1;

    font-family: Noto Sans;
    font-size: 22px;
    font-weight: normal;
    line-height: 52px;
    display: flex;
    align-items: center;
    letter-spacing: 0em;
    color: #F0F0F0;

}