/* ===== 分类横幅小部件 ===== */
.qing-cb-wrap {
    position: relative;
    width: 100%;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-color: #f3f4f6;
}
.qing-cb-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 1;
}
.qing-cb-title {
    position: relative;
    z-index: 2;
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    margin: 0;
    padding: 0 20px;
    text-align: center;
    line-height: 1.3;
}