/*视频样式*/
.video-box video {
    border-radius: 8px; /* 圆角好看 */
    box-shadow: 0 2px 8px #00000030;
} 

.section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.photo-card {
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.photo-card img {
    transition: transform 0.5s ease;
}

.photo-card:hover img {
    transform: scale(1.05);
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-card:hover .photo-overlay {
    opacity: 1;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 30px;
    cursor: pointer;
}

.music-control {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100;
}

.music-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.music-btn:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}