body {
}

.banner-containner {
    background: url("/Customer/image/self/dtrength_banner.png") no-repeat center;
}

.clearfix1::after {
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.science {
    width: 1161px;
    margin: 66px auto  15px;
    /*overflow: hidden;*/
}

.science-item {
    width: 273px;
    height: 451px;
    float: left;
    background: #fff;
    border-radius: 3px;
    padding: 13px 12px 20px 13px;
    text-align: center;
    margin-right: 23px;
    margin-bottom: 40px;
    box-sizing: border-box;
    box-shadow: 0 0 7px rgba(236,236,236,1);
}

    .science-item:nth-child(4n) {
        margin-right: 0;
    }

    .science-item img {
        width: 248px;
        height: 347px;
        cursor: pointer;
    }

    .science-item p {
        padding: 14px 15px 0 15px;
        font-size: 18px;
        color: #464646;
        line-height: 26px;
    }