/* 文章详情页专用样式 */

/* 文章页面侧边栏高度调整 */
body.post-page .sidebar {
    position: sticky;
    top: 20px;
    overflow-y: auto !important;
    /* height/max-height 移除 */
}

/* 文章详情主容器 */
.post-detail {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.post-detail:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 文章头部 */
.post-detail-header {
    position: relative;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    color: #fff;
    text-align: center;
    padding: 24px 40px 40px 40px;
    overflow: hidden;
}

.post-detail-header img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: transform 0.3s ease;
}

.post-detail-header:hover img {
    transform: scale(1.05);
}

.post-detail-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.7) 100%);
    z-index: 2;
}

.post-detail-title {
    position: relative;
    z-index: 3;
    font-size: 28px;
    font-weight: 700;
    margin: -8px 0 15px 0;
    padding-top: 0;
    padding-bottom: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    line-height: 1;
}

.post-detail-meta {
    position: relative;
    z-index: 3;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.post-detail-meta .tag {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.post-detail-meta .tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.post-category {
    display: inline-block;
    background: #e3eaff;
    color: #4a5fc1;
    border-radius: 4px;
    padding: 2px 8px;
    margin-right: 6px;
    font-size: 13px;
    text-decoration: none;
    transition: background 0.2s;
}
.post-category:hover {
    background: #667eea;
    color: #fff;
}

/* 文章内容 */
.post-detail-content {
    padding: 40px;
    line-height: 1.8;
    font-size: 16px;
    color: #333;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.post-detail-content h1,
.post-detail-content h2,
.post-detail-content h3,
.post-detail-content h4,
.post-detail-content h5,
.post-detail-content h6 {
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.4;
}

.post-detail-content h1 {
    font-size: 24px;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
}

.post-detail-content h2 {
    font-size: 22px;
    color: #007bff;
}

.post-detail-content h3 {
    font-size: 20px;
    color: #28a745;
}

.post-detail-content h4 {
    font-size: 18px;
    color: #6c757d;
}

.post-detail-content p {
    margin-bottom: 15px;
    text-align: justify;
}

.post-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
    display: block;
    margin-left: auto;
    margin-right: auto;
    transition: transform 0.3s ease;
}

.post-detail-content img:hover {
    transform: scale(1.02);
}

.post-detail-content pre {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    overflow-x: auto;
    margin: 20px 0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
}

.post-detail-content code {
    background: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    font-family: 'Courier New', monospace;
    color: #e83e8c;
    border: 1px solid #e9ecef;
}

.post-detail-content pre code {
    background: transparent;
    padding: 0;
    border: none;
    color: #333;
    font-size: 14px;
}

.post-detail-content blockquote {
    border-left: 4px solid #007bff;
    padding-left: 20px;
    margin: 20px 0;
    font-style: italic;
    color: #6c757d;
    background: #f8f9fa;
    padding: 15px 20px;
    border-radius: 0 8px 8px 0;
}

.post-detail-content ul,
.post-detail-content ol {
    padding-left: 30px;
    margin-bottom: 15px;
}

.post-detail-content li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.post-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
    overflow-x: auto;
    display: block;
}

.post-detail-content table th,
.post-detail-content table td {
    border: 1px solid #dee2e6;
    padding: 12px;
    text-align: left;
    min-width: 100px;
}

.post-detail-content table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
}

.post-detail-content table tr:nth-child(even) {
    background: #f8f9fa;
}

.post-detail-content a {
    color: #007bff;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.post-detail-content a:hover {
    color: #0056b3;
    border-bottom-color: #0056b3;
}

/* 文章操作区 */
.post-actions {
    padding: 20px 40px;
    border-top: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
    flex-wrap: wrap;
    gap: 15px;
}

.post-stats {
    display: flex;
    gap: 20px;
    color: #6c757d;
    font-size: 14px;
    flex-wrap: wrap;
}

.post-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.back-to-home {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    background: #fff;
    transition: all 0.3s ease;
    border: 1px solid #007bff;
}

.back-to-home:hover {
    background: #007bff;
    color: #fff;
    transform: translateY(-2px);
}

/* 相关文章 */
.related-posts {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
}

.related-posts-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #007bff;
}

.related-posts-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.related-post-item {
    background: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.related-post-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-post-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.related-post-item:hover .related-post-image {
    transform: scale(1.05);
}

.related-post-info {
    padding: 15px;
}

.related-post-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.4;
}

.related-post-meta {
    font-size: 12px;
    color: #666;
    display: flex;
    gap: 10px;
}

.related-post-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 响应式设计 - 大屏幕 */
@media (max-width: 1200px) {
    .post-detail-content {
        padding: 30px;
    }
    
    .post-actions {
        padding: 20px 30px;
    }
    
    .related-posts {
        padding: 25px;
    }
    
    .related-posts-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

/* 响应式设计 - 平板 */
@media (max-width: 768px) {
    .post-detail-header {
        height: 250px;
        padding: 30px 20px;
    }
    
    .post-detail-title {
        font-size: 24px;
    }
    
    .post-detail-meta {
        font-size: 13px;
        gap: 10px;
    }
    
    .post-detail-meta .tag {
        font-size: 11px;
        padding: 4px 10px;
    }
    
    .post-detail-content {
        padding: 25px 20px;
        font-size: 15px;
    }
    
    .post-detail-content h1 {
        font-size: 22px;
    }
    
    .post-detail-content h2 {
        font-size: 20px;
    }
    
    .post-detail-content h3 {
        font-size: 18px;
    }
    
    .post-detail-content pre {
        padding: 12px;
        font-size: 13px;
    }
    
    .post-actions {
        padding: 15px 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .post-stats {
        gap: 15px;
        font-size: 13px;
    }
    
    .related-posts {
        padding: 20px;
        margin-top: 20px;
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .related-post-item {
        display: flex;
        align-items: center;
    }
    
    .related-post-image {
        width: 100px;
        height: 80px;
        flex-shrink: 0;
    }
    
    .related-post-info {
        flex: 1;
        padding: 12px;
    }
    
    .related-post-title {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .related-post-meta {
        font-size: 11px;
    }
}

/* 响应式设计 - 手机竖屏 */
@media (max-width: 480px) {
    .post-detail-header {
        height: 200px;
        padding: 20px 15px;
    }
    
    .post-detail-title {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .post-detail-meta {
        font-size: 12px;
        gap: 8px;
        flex-direction: column;
    }
    
    .post-detail-meta .tag {
        font-size: 10px;
        padding: 3px 8px;
    }
    
    .post-detail-content {
        padding: 20px 15px;
        font-size: 14px;
        line-height: 1.7;
    }
    
    .post-detail-content h1 {
        font-size: 20px;
        margin-top: 25px;
    }
    
    .post-detail-content h2 {
        font-size: 18px;
    }
    
    .post-detail-content h3 {
        font-size: 16px;
    }
    
    .post-detail-content h4 {
        font-size: 15px;
    }
    
    .post-detail-content p {
        margin-bottom: 12px;
    }
    
    .post-detail-content img {
        margin: 15px 0;
        border-radius: 6px;
    }
    
    .post-detail-content pre {
        padding: 10px;
        font-size: 12px;
        margin: 15px 0;
    }
    
    .post-detail-content code {
        font-size: 12px;
        padding: 1px 4px;
    }
    
    .post-detail-content blockquote {
        padding: 12px 15px;
        margin: 15px 0;
        font-size: 13px;
    }
    
    .post-detail-content ul,
    .post-detail-content ol {
        padding-left: 20px;
        margin-bottom: 12px;
    }
    
    .post-detail-content li {
        margin-bottom: 6px;
    }
    
    .post-detail-content table {
        font-size: 12px;
        margin: 15px 0;
    }
    
    .post-detail-content table th,
    .post-detail-content table td {
        padding: 8px;
        min-width: 80px;
    }
    
    .post-actions {
        padding: 12px 15px;
        gap: 8px;
    }
    
    .post-stats {
        gap: 12px;
        font-size: 12px;
    }
    
    .back-to-home {
        font-size: 13px;
        padding: 6px 12px;
    }
    
    .related-posts {
        padding: 15px;
        margin-top: 15px;
        border-radius: 10px;
    }
    
    .related-posts-header {
        margin-bottom: 20px;
        padding-bottom: 12px;
    }
    
    .related-posts-header h3 {
        font-size: 18px;
    }
    
    .related-posts-grid {
        gap: 12px;
    }
    
    .related-post-image {
        width: 80px;
        height: 60px;
    }
    
    .related-post-info {
        padding: 10px;
    }
    
    .related-post-title {
        font-size: 13px;
        margin-bottom: 5px;
    }
    
    .related-post-meta {
        font-size: 10px;
        gap: 8px;
    }
}

/* 响应式设计 - 超小屏幕 */
@media (max-width: 360px) {
    .post-detail-header {
        height: 180px;
        padding: 15px 10px;
    }
    
    .post-detail-title {
        font-size: 18px;
    }
    
    .post-detail-content {
        padding: 15px 10px;
        font-size: 13px;
    }
    
    .post-detail-content h1 {
        font-size: 18px;
    }
    
    .post-detail-content h2 {
        font-size: 16px;
    }
    
    .post-detail-content h3 {
        font-size: 15px;
    }
    
    .post-detail-content pre {
        font-size: 11px;
        padding: 8px;
    }
    
    .post-detail-content code {
        font-size: 11px;
    }
    
    .related-post-image {
        width: 70px;
        height: 50px;
    }
    
    .related-post-title {
        font-size: 12px;
    }
    
    .related-post-meta {
        font-size: 9px;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .post-detail-header:hover img,
    .post-detail-content img:hover,
    .related-post-item:hover .related-post-image {
        transform: none;
    }
    
    .post-detail-meta .tag:hover,
    .back-to-home:hover,
    .related-post-item:hover {
        transform: none;
    }
    
    .post-detail-meta .tag:active,
    .back-to-home:active,
    .related-post-item:active {
        transform: scale(0.95);
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .post-detail-header img,
    .related-post-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 打印样式 */
@media print {
    .post-detail {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .post-detail-header {
        height: 200px;
        background: #f8f9fa !important;
        color: #333 !important;
    }
    
    .post-detail-header::after {
        display: none;
    }
    
    .post-detail-meta .tag {
        background: #333 !important;
        color: #fff !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    .post-actions,
    .related-posts {
        display: none !important;
    }
    
    .post-detail-content {
        padding: 20px;
    }
    
    .post-detail-content img {
        max-width: 100% !important;
        height: auto !important;
        box-shadow: none !important;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .post-detail {
        background: #2d2d2d;
        color: #e0e0e0;
    }
    
    .post-detail-content {
        color: #e0e0e0;
    }
    
    .post-detail-content h1,
    .post-detail-content h2,
    .post-detail-content h3,
    .post-detail-content h4 {
        color: #ffffff;
    }
    
    .post-detail-content pre {
        background: #3d3d3d;
        border-color: #4d4d4d;
    }
    
    .post-detail-content code {
        background: #3d3d3d;
        border-color: #4d4d4d;
        color: #ff6b6b;
    }
    
    .post-detail-content blockquote {
        background: #3d3d3d;
        color: #b0b0b0;
    }
    
    .post-detail-content table th {
        background: #3d3d3d;
        color: #e0e0e0;
    }
    
    .post-detail-content table tr:nth-child(even) {
        background: #3d3d3d;
    }
    
    .post-actions {
        background: #3d3d3d;
        border-top-color: #4d4d4d;
    }
    
    .back-to-home {
        background: #4d4d4d;
        color: #e0e0e0;
        border-color: #5d5d5d;
    }
    
    .related-posts {
        background: #2d2d2d;
    }
    
    .related-post-item {
        background: #3d3d3d;
    }
    
    .related-post-title {
        color: #e0e0e0;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .post-detail,
    .post-detail-header img,
    .post-detail-meta .tag,
    .back-to-home,
    .related-post-item,
    .related-post-image {
        transition: none !important;
        animation: none !important;
    }
}

/* 文章动画效果 */
.post-detail {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 自定义滚动条 */
.post-detail-content::-webkit-scrollbar {
    width: 8px;
}

.post-detail-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.post-detail-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.post-detail-content::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
} 

.download-disabled {
    color: #aaa;
    cursor: not-allowed;
    text-decoration: line-through;
    pointer-events: none;
}