.video-section {
    padding: 60px 0;
}


.video-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0);
    margin-bottom: 0px;
    transition: all 0.4s ease;
    background: rgba(0, 0, 0, 0);
    /*border: 1px solid rgba(255, 255, 255, 0.1);*/
    /*height: 100%;*/
    aspect-ratio: 0.8/1;
    height: 300px;
    width: 260px;
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(255, 75, 43, 0.4);
    /*border-color: rgba(255, 75, 43, 0.5);*/
}

.video-thumbnail {
    position: relative;
    height: 100%;
    width: 100%;
    background-size: cover;
    background-position: center;
    border-radius: 15px 15px 0 0;
    overflow: hidden;
}

.video-thumbnail:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /*background: linear-gradient(to top, rgba(0,0,0,0), transparent);*/
}

.play-btn {
    position: absolute;
    bottom: 5%;
    left: 5%;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    /* 更新为浅灰色渐变 */
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555; /* 文字颜色改为深灰色 */
    font-size: 18px;
    /* 更新阴影为灰色调 */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: none;
    z-index: 10;
}

.play-btn:hover {
    transform: scale(1.1);
    /* 更新悬停阴影为灰色调 */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    /* 悬停时背景稍微变深 */
     background: transparent; /* 背景透明 */
}


.OBDH-video {
    width: 100%;
    height: 120%;
    object-fit: cover;
    border-radius: 5px;
    background: #000;
    display: block;
}