/* 客服图片库样式 */

/* 返回链接 */
.back-link {
    display: inline-block;
    margin-top: 16px;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: #2563eb;
    text-decoration: underline;
    transform: translateX(-2px);
}

/* 分类标签区域 */
.category-section {
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease-out;
}

.category-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.filter-btn {
    padding: 8px 16px;
    background: white;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.filter-btn:hover {
    background: var(--hover-bg);
    border-color: #3b82f6;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.filter-btn.active {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-color: #3b82f6;
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.2);
}

/* 瀑布流容器 */
.masonry-container {
    column-count: 4;
    column-gap: 15px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* 瀑布流项目 */
.masonry-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: translateY(0);
    margin-bottom: 20px;
    break-inside: avoid;
}

.masonry-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.9);
}

/* 图片样式 */
.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.masonry-item:hover img {
    transform: scale(1.03);
}

/* 图片描述 */
.image-caption {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* 分类过滤动画 */
.masonry-item.hidden {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .masonry-container {
        column-count: 3;
        column-gap: 16px;
    }
    
    .category-filters {
        justify-content: center;
        gap: 8px;
        padding: 12px;
    }
    
    .filter-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .masonry-container {
        column-count: 2;
        column-gap: 12px;
    }
    
    .category-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .image-caption {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .category-filters {
        background: rgba(30, 30, 30, 0.7);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .filter-btn {
        background: #252525;
        color: var(--text-color);
        border-color: var(--border-color);
    }
    
    .filter-btn:hover {
        background: var(--hover-bg);
    }
    
    .masonry-item {
        background: rgba(30, 30, 30, 0.7);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .masonry-item:hover {
        background: rgba(40, 40, 40, 0.9);
    }
    
    .image-caption {
        background: rgba(40, 40, 40, 0.9);
        border-top-color: rgba(255, 255, 255, 0.1);
    }
}