.Profession_top .banner {
    position: relative;
}

.Profession_top .banner img {
    width: 100%;
}

.Profession_top .banner .title {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
}

.Profession_top h2{
    font-weight: bold;
    font-size: 68px;
    margin: 0;
    margin-bottom: 24px;
    letter-spacing:10px
}
.Profession_top p{
    margin: 0;
    font-size: 22px;
}


.Profession_top .go {
    padding: 23px 0;
    text-align: right;
    color: #999;
}

.Profession_top .go span {
    color: #333;
}



.laboratory {
    background-color: #fff;
}

.laboratory img {
    width: 100%;
    transition: transform 0.5s;
}

.laboratory .col-md-4 {
    padding: 0 4px;
    overflow: hidden;
}

.laboratory .laboratory_img {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.laboratory .laboratory_img .mask {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 50%;
    width: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3)70%);
}
.laboratory .tab .particular{
    position: absolute;
    bottom: -50px;
    left: 0;
    padding: 24px;
    transition: bottom 0.5s;
    width: 100%;
}
.laboratory .tab .particular p,
.laboratory .tab .particular h2{
    margin: 0;
    color: #fff;
}
.laboratory .tab .particular h2{
    margin-bottom: 24px;
    font-size: 32px;
}
.laboratory .tab .particular p{
    font-size: 20px;
}

.laboratory .tab:hover img {
    transform: scale(1.1);
}

.laboratory .tab:hover .mask {
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5));
}
.laboratory .tab:hover .particular {
    bottom: 0px;
}