/* ===== 讲座预告幻灯片样式 ===== */

.lecture-swiper {
    width: 100%;
    height: 100%;
    overflow: hidden;}

.lecture-slide {
    width: 100% !important;
    position: relative;
    overflow: hidden;}

.lecture-slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;}

.lecture-slide-content {
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.15); /* 20% 透明度 */
    z-index: 2;}

.lecture-slide-title {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    margin: 0;
    line-height: 1.4;}

.lecture-pagination {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 10;}

.lecture-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    margin: 0 4px;
    transition: all 0.3s ease;
    border-radius: 50%;}

.lecture-pagination .swiper-pagination-bullet-active {
    background: #fff;
    width: 8px;
    height: 8px;
    border-radius: 50%;}