/* 现代化蓝白配色体系 - 增强响应式支持 */
:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --light-blue: #dbeafe;
    --accent-blue: #60a5fa;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --medium-gray: #e2e8f0;
    --dark-gray: #475569;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --mobile-breakpoint: 768px;
    --tablet-breakpoint: 1024px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif; 
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%); 
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}
.container { 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 30px 20px; 
}

.header { 
    text-align: center; 
    margin-bottom: 50px; 
    color: var(--text-dark); 
}
.header h1 { 
    font-size: 3rem; 
    margin-bottom: 15px; 
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.header p { 
    font-size: 1.3rem; 
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.search-container { 
    text-align: center; 
    margin-bottom: 50px; 
}
.search-box { 
    position: relative; 
    display: inline-block; 
    max-width: 500px;
    width: 100%;
}
.search-box input { 
    width: 100%; 
    padding: 18px 60px 18px 25px; 
    font-size: 16px; 
    border: 2px solid var(--medium-gray); 
    border-radius: 50px; 
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    color: var(--text-dark);
}
.search-box input:focus { 
    outline: none; 
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}
.search-box button { 
    position: absolute; 
    right: 15px; 
    top: 50%; 
    transform: translateY(-50%); 
    background: var(--secondary-blue); 
    border: none; 
    color: var(--white); 
    font-size: 18px; 
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.search-box button:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.05);
}

/* 操作按钮样式 */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.random-button, .favorites-button {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    color: var(--white);
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
}

.random-button:hover, .favorites-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

.random-button:active, .favorites-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.favorites-button {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

.favorites-button:hover {
    background: linear-gradient(135deg, #db2777 0%, #ec4899 100%);
}

/* 收藏夹页面样式 - 重新设计 */
.favorites-container {
    width: 100%;
    min-height: 100vh;
    background: #f8fafc;
}

/* 收藏夹头部 - 固定位置 */
.favorites-header {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 50%, #fbcfe8 100%);
    padding: 30px 40px;
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.1);
    border-bottom: 1px solid #f9a8d4;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.favorites-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.favorites-icon i {
    font-size: 1.8rem;
    color: white;
}

.header-info h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.favorites-count {
    font-size: 1.1rem;
    color: #6b7280;
}

.count-number {
    font-weight: 700;
    color: #ec4899;
    font-size: 1.2rem;
}

.header-right {
    display: flex;
    gap: 12px;
}

.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.sort-button, .back-button, .explore-button {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}

.sort-button {
    background: white;
    color: #6b7280;
    border: 2px solid #e5e7eb;
}

.sort-button:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.back-button {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.explore-button {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.explore-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* 收藏夹内容区域 - 铺满页面 */
.favorites-content {
    width: 100%;
    padding: 0;
    margin: 0;
}

/* 空状态 */
.empty-favorites {
    text-align: center;
    padding: 100px 20px;
    background: white;
    border-radius: 0;
    box-shadow: none;
    border: none;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.empty-icon {
    width: 120px;
    height: 120px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.empty-icon i {
    font-size: 4rem;
    color: #9ca3af;
}

.empty-favorites h3 {
    font-size: 1.8rem;
    color: #374151;
    margin-bottom: 10px;
}

.empty-favorites p {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 30px;
}

/* 收藏夹网格 - 铺满页面，均匀分布 */
.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 30px;
    max-width: none;
    margin: 0;
    justify-items: center;
    align-items: start;
}

/* 确保卡片宽度一致，实现均匀分布 */
.favorite-card {
    width: 100%;
    max-width: 320px;
}

/* 收藏卡片 - 紧凑布局 */
.favorite-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #f1f5f9;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.favorite-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    flex-shrink: 0;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.favorite-card:hover .card-image img {
    transform: scale(1.06);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.25));
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
}

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

.overlay-content {
    display: flex;
    gap: 6px;
    padding: 12px;
    width: 100%;
    justify-content: flex-end;
}

.quick-view, .remove-favorite {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: #374151;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    font-size: 0.85rem;
}

.quick-view:hover {
    background: #3b82f6;
    color: white;
    transform: scale(1.1);
}

.remove-favorite:hover {
    background: #ef4444;
    color: white;
    transform: scale(1.1);
}

.favorite-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(236, 72, 153, 0.4);
}

.favorite-badge i {
    color: white;
    font-size: 0.9rem;
}

.card-content {
    padding: 12px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.image-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.album-info {
    color: #6b7280;
    font-size: 0.85rem;
    line-height: 1.3;
    margin: 0;
}

.image-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.75rem;
    color: #9ca3af;
}

.meta-item i {
    font-size: 0.7rem;
}

/* 预览模态框样式 */
.preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.preview-modal.active {
    opacity: 1;
    visibility: visible;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.preview-container {
    position: relative;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 90vw;
    max-height: 90vh;
    width: 1200px;
    height: 800px;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.preview-modal.active .preview-container {
    transform: scale(1);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #f1f5f9;
    flex-shrink: 0;
}

.preview-title h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 4px 0;
}

.preview-info {
    font-size: 0.9rem;
    color: #6b7280;
}

.preview-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.preview-nav {
    width: 40px;
    height: 40px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    color: #374151;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.preview-nav:hover:not(:disabled) {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-1px);
}

.preview-nav:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.preview-counter {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
}

.preview-close {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: #f3f4f6;
    color: #374151;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.preview-close:hover {
    background: #ef4444;
    color: white;
}

.preview-content {
    flex: 1;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.preview-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #6b7280;
}

.preview-loading i {
    font-size: 2rem;
}

.preview-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-top: 1px solid #f1f5f9;
    flex-shrink: 0;
}

.preview-meta {
    display: flex;
    gap: 20px;
}

.preview-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: #6b7280;
}

.preview-meta .meta-item i {
    font-size: 0.8rem;
}

.preview-controls {
    display: flex;
    gap: 12px;
}

.preview-action {
    padding: 8px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    color: #374151;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.preview-action:hover {
    background: #f9fafb;
    border-color: #d1d5db;
}

.preview-remove {
    border-color: #fecaca;
    color: #dc2626;
}

.preview-remove:hover {
    background: #fef2f2;
    border-color: #fca5a5;
}

/* 收藏按钮样式 */
.preview-action.favorited {
    border-color: #fbcfe8;
    color: #ec4899;
    background: #fdf2f8;
}

.preview-action.favorited:hover {
    background: #fce7f3;
    border-color: #f9a8d4;
}

.preview-action.favorited i {
    color: #ec4899;
}

/* 预览模态框响应式设计 */
@media (max-width: 1024px) {
    .preview-container {
        width: 95vw;
        height: 85vh;
        margin: 20px;
    }
    
    .preview-header {
        padding: 16px 20px;
    }
    
    .preview-title h3 {
        font-size: 1.2rem;
    }
    
    .preview-footer {
        padding: 12px 20px;
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .preview-meta {
        gap: 12px;
    }
    
    .preview-meta .meta-item {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .preview-container {
        width: 98vw;
        height: 90vh;
        margin: 10px;
        border-radius: 12px;
    }
    
    .preview-header {
        padding: 12px 16px;
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .preview-title h3 {
        font-size: 1.1rem;
    }
    
    .preview-info {
        font-size: 0.85rem;
    }
    
    .preview-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .preview-nav {
        width: 36px;
        height: 36px;
    }
    
    .preview-close {
        width: 36px;
        height: 36px;
    }
    
    .preview-footer {
        padding: 10px 16px;
    }
    
    .preview-meta {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .preview-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .preview-action {
        padding: 6px 12px;
        font-size: 0.85rem;
        flex: 1;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .preview-container {
        height: 95vh;
        margin: 5px;
        border-radius: 8px;
    }
    
    .preview-header {
        padding: 10px 12px;
    }
    
    .preview-title h3 {
        font-size: 1rem;
    }
    
    .preview-actions {
        gap: 8px;
    }
    
    .preview-nav {
        width: 32px;
        height: 32px;
    }
    
    .preview-close {
        width: 32px;
        height: 32px;
    }
    
    .preview-counter {
        font-size: 0.8rem;
    }
    
    .preview-footer {
        padding: 8px 12px;
    }
    
    .preview-meta .meta-item {
        font-size: 0.8rem;
    }
    
    .preview-action {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .favorites-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 16px;
        padding: 20px;
    }
    
    .favorite-card {
        max-width: 260px;
    }
    
    .card-image {
        height: 160px;
    }
}

@media (max-width: 768px) {
    .favorites-header {
        padding: 20px 16px;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .header-left {
        flex-direction: column;
        gap: 12px;
    }
    
    .favorites-icon {
        width: 50px;
        height: 50px;
    }
    
    .favorites-icon i {
        font-size: 1.5rem;
    }
    
    .header-info h1 {
        font-size: 1.6rem;
        margin-bottom: 4px;
    }
    
    .favorites-count {
        font-size: 1rem;
    }
    
    .count-number {
        font-size: 1.1rem;
    }
    
    .action-buttons {
        justify-content: center;
        width: 100%;
    }
    
    .sort-button, .back-button, .explore-button {
        padding: 8px 16px;
        font-size: 0.85rem;
        flex: 1;
        justify-content: center;
        min-width: 120px;
    }
    
    .favorites-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 12px;
        padding: 16px;
    }
    
    .favorite-card {
        max-width: 280px;
    }
    
    .card-image {
        height: 140px;
    }
    
    .card-content {
        padding: 10px;
        gap: 4px;
    }
    
    .image-title {
        font-size: 0.95rem;
    }
    
    .album-info {
        font-size: 0.8rem;
    }
    
    .meta-item {
        font-size: 0.7rem;
    }
    
    .empty-favorites {
        padding: 60px 20px;
        min-height: 50vh;
    }
    
    .empty-icon {
        width: 80px;
        height: 80px;
    }
    
    .empty-icon i {
        font-size: 3rem;
    }
    
    .empty-favorites h3 {
        font-size: 1.4rem;
    }
    
    .empty-favorites p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .favorites-header {
        padding: 16px 12px;
    }
    
    .header-info h1 {
        font-size: 1.4rem;
    }
    
    .favorites-grid {
        padding: 12px;
        gap: 10px;
    }
    
    .card-image {
        height: 140px;
    }
    
    .sort-button, .back-button, .explore-button {
        padding: 6px 12px;
        font-size: 0.8rem;
        min-width: 100px;
    }
    
    .overlay-content {
        padding: 10px;
    }
    
    .quick-view, .remove-favorite {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
}

.stats { 
    text-align: center; 
    color: var(--text-dark); 
    margin-bottom: 40px; 
    font-size: 1.1rem; 
    background: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--medium-gray);
}

/* 响应式网格布局 - 区分PC和手机 */
.albums-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(300px, 0fr));
    gap: 30px; 
    margin-bottom: 40px;
}

/* 加载状态和骨架屏 */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 1.1rem;
}

.loading .fa-spinner {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--secondary-blue);
}

.skeleton {
    background: linear-gradient(90deg, var(--light-gray) 25%, var(--medium-gray) 50%, var(--light-gray) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--border-radius);
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--medium-gray);
}

.skeleton-cover {
    height: 220px;
    width: 100%;
}

.skeleton-content {
    padding: 25px;
}

.skeleton-title {
    height: 24px;
    width: 80%;
    margin-bottom: 15px;
    border-radius: 4px;
}

.skeleton-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.skeleton-meta-item {
    height: 16px;
    width: 40%;
    border-radius: 4px;
}

.skeleton-button {
    height: 44px;
    width: 100%;
    border-radius: 10px;
}

.album-card { 
    background: var(--white); 
    border-radius: var(--border-radius-lg); 
    box-shadow: var(--shadow-lg); 
    overflow: hidden; 
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid var(--medium-gray);
}
.album-card:hover { 
    transform: translateY(-8px); 
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-blue);
}
.album-cover { 
    height: 220px; 
    overflow: hidden; 
    position: relative;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}
.album-cover img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.5s ease;
    display: block;
}
.album-card:hover .album-cover img { 
    transform: scale(1.05);
}
.album-info { 
    padding: 25px; 
}
.album-info h2 { 
    font-size: 1.4rem; 
    margin-bottom: 12px; 
    color: var(--text-dark); 
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 600;
}
.album-meta { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 0.9rem;
}
.album-meta span { 
    display: flex; 
    align-items: center; 
    gap: 6px;
}
.view-button { 
    display: block; 
    text-align: center; 
    padding: 14px; 
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%); 
    color: var(--white); 
    text-decoration: none; 
    border-radius: 10px; 
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}
.view-button:hover { 
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

.no-results { 
    text-align: center; 
    padding: 60px 20px; 
    color: var(--text-light); 
    font-size: 1.2rem;
}

.no-results .fa-search {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--medium-gray);
}

/* 响应式媒体查询 - 移动端优化 */
@media (max-width: 1024px) {
    .container {
        padding: 25px 15px;
    }
    
    .header {
        margin-bottom: 40px;
    }
    
    .header h1 {
        font-size: 2.5rem;
    }
    
    .header p {
        font-size: 1.1rem;
    }
    
    .albums-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .album-cover {
        height: 200px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }
    
    .header {
        margin-bottom: 30px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .header p {
        font-size: 1rem;
    }
    
    .search-container {
        margin-bottom: 40px;
    }
    
    .search-box input {
        padding: 16px 55px 16px 20px;
        font-size: 16px;
    }
    
    .search-box button {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .action-buttons {
        gap: 12px;
        margin-top: 15px;
    }
    
    .random-button, .favorites-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .stats {
        font-size: 1rem;
        padding: 15px;
        margin-bottom: 30px;
    }
    
    .albums-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }
    
    .album-card {
        border-radius: var(--border-radius);
    }
    
    .album-cover {
        height: 180px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .album-info {
        padding: 20px;
    }
    
    .album-info h2 {
        font-size: 1.2rem;
    }
    
    .album-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .view-button {
        padding: 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px 10px;
    }
    
    .header {
        margin-bottom: 25px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    .search-container {
        margin-bottom: 30px;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .search-box input {
        padding: 14px 50px 14px 18px;
        font-size: 14px;
    }
    
    .search-box button {
        width: 32px;
        height: 32px;
        font-size: 14px;
        right: 10px;
    }
    
    .action-buttons {
        gap: 10px;
        margin-top: 12px;
    }
    
    .random-button, .favorites-button {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .stats {
        font-size: 0.9rem;
        padding: 12px;
        margin-bottom: 25px;
    }
    
    .albums-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .album-cover {
        height: 160px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .album-info {
        padding: 15px;
    }
    
    .album-info h2 {
        font-size: 1.1rem;
    }
    
    .album-meta {
        font-size: 0.8rem;
    }
    
    .view-button {
        padding: 10px;
        font-size: 0.85rem;
    }
    
    .loading {
        padding: 40px 15px;
        font-size: 1rem;
    }
    
    .loading .fa-spinner {
        font-size: 1.5rem;
    }
    
    .no-results {
        padding: 40px 15px;
        font-size: 1rem;
    }
    
    .no-results .fa-search {
        font-size: 2.5rem;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .album-card:hover {
        transform: none;
        box-shadow: var(--shadow-lg);
    }
    
    .album-card:active {
        transform: scale(0.98);
        box-shadow: var(--shadow-md);
    }
    
    .view-button:hover {
        transform: none;
    }
    
    .view-button:active {
        transform: scale(0.95);
    }
}

/* 高分辨率屏幕优化 */
@media (min-resolution: 2dppx) {
    .album-cover img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 打印样式 */
@media print {
    .search-container,
    .view-button {
        display: none;
    }
    
    .album-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}