/* 作品集头部 */
.gallery-header {
    height: 50vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/gallery-bg.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    margin-bottom: 3rem;
}

.gallery-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.gallery-header p {
    font-size: 1.2rem;
    animation: fadeInUp 1s ease 0.3s;
    opacity: 0;
    animation-fill-mode: forwards;
}

/* 作品分类过滤器 */
.gallery-filter {
    max-width: 1200px;
    margin: 0 auto 3rem;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid #e67e22;
    background: none;
    color: #e67e22;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: #e67e22;
    color: #fff;
}

/* 作品网格 */
.gallery-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.item-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #fff;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .item-info {
    transform: translateY(0);
}

.item-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.item-info p {
    font-size: 1rem;
    opacity: 0.8;
}

/* 加载更多按钮 */
.load-more {
    text-align: center;
    margin: 3rem 0;
}

.load-more .btn {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

/* 动画效果 */
.gallery-item {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .gallery-header h1 {
        font-size: 2rem;
    }
    
    .gallery-header p {
        font-size: 1rem;
    }
    
    .gallery-filter {
        padding: 0 1rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .gallery-grid {
        padding: 0 1rem;
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        margin-bottom: 1.5rem;
    }
}