/* 图片查看器样式 */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    animation: fadeIn 0.3s ease-in-out;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    margin: auto;
    display: block;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    color: white;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 使图片可点击 */
.feature-image img {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-image img:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}