/* blue2 */
.blue2 {
    width: 100%;
}
.b2_ul{
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 50px;
}
.b2_ul li {
    width: 24%;
    margin-bottom: 20px;
    position: relative;
    margin-top: 20px
}
.b2_ul li img {
    width: 100%;
}
.b2_ul li p {
    font-size: 18px;
    color: #fff;
    padding: 5px 0;
    box-sizing: border-box;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(39, 35, 61, 0.6);
}