/* 图集样式 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 2rem 0;
}

.gallery-item {
    position: relative;
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 215, 0, 0.2), transparent);
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
    filter: brightness(0.95);
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.7) 50%,
        transparent 100%);
    padding: 30px 20px 20px;
    color: #fff;
    transform: translateY(100%);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2;
}

.gallery-item .overlay h3 {
    color: #FFD700;
    margin-bottom: 10px;
    font-size: 1.3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

.gallery-item .overlay p {
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease 0.1s;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* 悬停效果 */
.gallery-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(230, 0, 18, 0.3);
    border-color: rgba(255, 215, 0, 0.5);
}

.gallery-item:hover::before {
    opacity: 1;
}

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

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

.gallery-item:hover .overlay h3,
.gallery-item:hover .overlay p {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .gallery-item {
        height: 250px;
        margin: 0 auto;
        width: 100%;
        max-width: 350px;
    }
}

@media screen and (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        padding: 1rem 0;
    }
    
    .gallery-item {
        height: 280px;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .gallery-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }
}