#slide5 {
    position: relative;
    overflow: hidden;
}

.gallery {
    display: flex;
    height: 100%;
    box-sizing: border-box;
    padding-top: 8vh;
    /* background: green; */
    overflow: hidden;
}

.gallery-top {
    height: 100%;
    width: 100%;
    /* background: firebrick; */
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 视频容器的父元素，使用相对定位实现居中 */
.gallery-video {
    position: relative;
    width: 48vw;
    height: 28.8vw;
    margin-bottom: 10%;
}

.top3video {
    position: absolute;
    /* 确保视频在中间层 */
    display: flex;
    justify-content: center;
    align-items: center;
    /* 对父元素居中 */
    top: 5%;
}

.top3video video {
    /* position: absolute; */
    width: 92%;
    height: 92%;
}

/* 自定义播放/暂停按钮样式 */
.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    opacity: 0.8;
    z-index: 5;
}

.video-play-btn:hover {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.video-play-btn:active {
    transform: translate(-50%, -50%) scale(0.95);
}

.video-play-btn svg {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

/* 视频播放时隐藏按钮 */
.video-playing .video-play-btn {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* 鼠标悬停在视频上时显示按钮 */
.top3video:hover .video-play-btn {
    opacity: 0.8;
    pointer-events: all;
}

.top3video video {
    position: relative;
    width: 95%;
    height: 95%;
    cursor: pointer;
    display: block;
}

/* 视频框上层样式 */
.video-frame-top {
    position: relative;
    pointer-events: none;
    width: 100%;
}