.box {
    width: 100%;
    height: 400px;
    overflow: hidden;
    background: #f6f6f6;
    box-sizing: border-box;
}

.box a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #535353;
    text-decoration: none
}

.box a:hover {
    color: #6c46a9;
}

.imgBox {
    width: 100%;
    height: 186.67px;
    overflow: hidden
}

.imgBox img {
    width: 100%;
    height: 100%;
    transition: all .6s linear
}

.source {
    border: 1px solid #535353;
    padding: 10px 30px;
    border-radius: 30px;
    margin: 20px;
}

.detail {
    font-size: 14px;
    line-height: 160%;
    width: 100%;
    padding: 0 15px 25px;
    height: 110px;
}

.box>a::after {
    content: '';
    width: 90%;
    position: absolute;
    background: #6c46a9;
    bottom: 0;
    height: 0;
    transition: height .3s linear
}

.box>a:hover::after {
    height: 6px;
}

.box:hover img {
    transform: scale(1.15)
}

.box:hover .source {
    background: #6c46a9;
    border-color: #6c46a9;
    color: #fff;
}