.pro_lb {
    display: flex;
    flex-wrap: wrap
}

.pro_lb li {
    box-sizing: border-box
}

.pro_lb img {
    width: 100%
}

.pro_lb h5 {
    padding: 0px 10px;
    line-height: 27px;
    font-size: 1.375rem;
    margin-bottom: 20px
}

.pro_lb p {
    padding: 0px 10px;
    font-size: .9375rem;
    color: #8c8c8c;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden
}

.pro_lb .readmore {
    margin-top: 10px;
    position: relative;
    background: #ededed
}

.pro_lb .readmore a {
    white-space: nowrap;
    display: flex;
    padding-left: 27px;
    text-transform: uppercase;
    color: #525254;
    font-size: .875rem;
    line-height: 50px;
    width: 100%;
    box-sizing: border-box;
    position: relative;
    z-index: 5
}

.pro_lb .readmore i {
    width: 50px;
    flex: 0 0 auto;
    line-height: 50px;
    text-align: center;
    margin-left: auto;
    background: #CCC;
    position: relative;
    z-index: 5;
    color: #FFF;
    transition: all .2s
}

.pro_lb .readmore::before {
    position: absolute;
    width: 0%;
    height: 100%;
    top: 0px;
    left: 0px;
    content: "";
    transition: all .3s
}

.pro_lb .readmore:hover::before {
    width: 100%
}

.pro_lb .readmore:hover a {
    color: #FFF
}

@media screen and (max-width:640px) {
    .pro_lb li {
        width: 100%
    }

    .pro_lb h5 {
        margin-top: 15px;
        margin-bottom: 10px
    }

    .pro_lb .readmore {
        margin-top: 20px;
        margin-bottom: 40px
    }

    .pro_lb li:nth-child(2n) {
        padding-left: 0px
    }

    .pro_lb li:nth-child(2n+1) {
        padding-right: 0px
    }
}

.pro_lb1 li {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: space-between
}

.pro_lb1 li:nth-child(2n) {
    padding-left: 15px
}

.pro_lb1 li:nth-child(2n+1) {
    padding-right: 15px
}

.pro_lb1 div {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column
}

.pro_lb1 .img-box {
    height: 100%;
    max-height: 200px
}

.pro_lb1 img {
    object-fit: contain;
    height: 100%
}

.pro_lb1 h5 {
    margin-top: 20px
}

.pro_lb1 .readmore {
    margin-bottom: 76px
}

.pro_lb0 li {
    width: 100%;
    display: flex;
    margin-bottom: 20px
}

.pro_lb0 .img-box {
    margin-right: 20px;
    flex: 0 0 auto;
    width: 200px
}

.pro_lb0 .img-box img {
    height: 100%;
    object-fit: contain;
    width: 100%
}

.pro_lb0 .img-box+div {
    width: 100%
}