/* ========== 博客页面专用样式 ========== */

/* 博客页面布局 */
.blog-page {
    width: 100%;
}

.blog-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.blog-page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1e293b;
}

.blog-page-header .back-home-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: #f1f5f9;
    color: #475569;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.blog-page-header .back-home-btn:hover {
    background-color: #e2e8f0;
    color: #334155;
}

/* 博客列表网格 */
.blog-list-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .blog-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 博客列表中的文章卡片（比首页更详细） */
.blog-list-card {
    background-color: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.blog-list-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.07);
    border-color: #d1d5db;
}

.blog-list-card-cover {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background-color: #f1f5f9;
}

.blog-list-card-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 3rem;
}

.blog-list-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-list-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.blog-list-card-excerpt {
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin-bottom: 0.75rem;
}

.blog-list-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.75rem;
    color: #94a3b8;
    padding-top: 0.75rem;
    border-top: 1px solid #f1f5f9;
}

.blog-list-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* 博客空状态 */
.blog-page-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: #94a3b8;
}

.blog-page-empty i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.blog-page-empty p {
    font-size: 0.9rem;
}

/* 博客分页 */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.blog-pagination a,
.blog-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.85rem;
    text-decoration: none;
    color: #475569;
    background: #fff;
    border: 1px solid #e2e8f0;
    transition: all 0.2s;
}

.blog-pagination a:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.blog-pagination .current {
    background: #667eea;
    color: #fff;
    border-color: #667eea;
}

/* ========== 文章详情页样式 ========== */

.post-detail {
    width: 100%;
}

.post-detail-header {
    margin-bottom: 2rem;
}

.post-detail-back {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: #f1f5f9;
    color: #475569;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.post-detail-back:hover {
    background-color: #e2e8f0;
    color: #334155;
}

.post-detail-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

.post-detail-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: #94a3b8;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f1f5f9;
}

.post-detail-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.post-detail-cover {
    width: 100%;
    aspect-ratio: 21/9;
    object-fit: cover;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
    background-color: #f1f5f9;
}

.post-detail-content {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #334155;
    word-break: break-word;
    overflow-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 {
    color: #1e293b;
    font-weight: 700;
    margin: 1.5em 0 0.75em;
    line-height: 1.3;
}

.post-detail-content h1 { font-size: 1.6rem; }
.post-detail-content h2 { font-size: 1.4rem; padding-bottom: 0.3em; border-bottom: 1px solid #e2e8f0; }
.post-detail-content h3 { font-size: 1.2rem; }
.post-detail-content h4 { font-size: 1.05rem; }
.post-detail-content h5 { font-size: 0.95rem; }
.post-detail-content h6 { font-size: 0.875rem; color: #64748b; }

.post-detail-content p {
    margin-bottom: 1em;
}

.post-detail-content a {
    color: #667eea;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.post-detail-content a:hover {
    border-bottom-color: #667eea;
}

.post-detail-content ul,
.post-detail-content ol {
    margin: 1em 0;
    padding-left: 1.5em;
}

.post-detail-content ul { list-style: disc; }
.post-detail-content ol { list-style: decimal; }

.post-detail-content li {
    margin-bottom: 0.5em;
}

.post-detail-content blockquote {
    margin: 1.5em 0;
    padding: 1em 1.5em;
    border-left: 4px solid #667eea;
    background-color: #f8fafc;
    border-radius: 0 0.5rem 0.5rem 0;
    color: #475569;
}

.post-detail-content blockquote p:last-child {
    margin-bottom: 0;
}

.post-detail-content pre {
    margin: 1.5em 0;
    padding: 1em 1.5em;
    background-color: #1e293b;
    border-radius: 0.5rem;
    overflow-x: auto;
}

.post-detail-content code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
}

.post-detail-content :not(pre) > code {
    padding: 0.2em 0.4em;
    background-color: #f1f5f9;
    border-radius: 0.25rem;
    color: #c7254e;
    font-size: 0.85em;
}

.post-detail-content pre code {
    color: #e2e8f0;
    background: none;
    padding: 0;
}

.post-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 1em 0;
}

.post-detail-content hr {
    margin: 2em 0;
    border: none;
    border-top: 1px solid #e2e8f0;
}

.post-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.post-detail-content th,
.post-detail-content td {
    border: 1px solid #e2e8f0;
    padding: 0.5em 0.75em;
    text-align: left;
}

.post-detail-content th {
    background-color: #f8fafc;
    font-weight: 600;
}

.post-detail-content figure {
    margin: 1.5em 0;
}

.post-detail-content figcaption {
    font-size: 0.8rem;
    color: #94a3b8;
    text-align: center;
    margin-top: 0.5em;
}

/* 文章底部导航 */
.post-detail-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color, #f1f5f9);
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 1rem;
}

.post-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.1rem;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.25s ease;
    background: var(--card-bg, rgba(241, 245, 249, 0.6));
    border: 1px solid var(--border-color, rgba(102, 126, 234, 0.12));
    flex: 1;
    min-width: 0;
    max-width: 48%;
    backdrop-filter: blur(8px);
}

.post-nav-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.post-nav-prev {
    justify-content: flex-start;
}

.post-nav-next {
    justify-content: flex-end;
    text-align: right;
}

.post-nav-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--accent-color, #667eea);
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all 0.25s ease;
}

.post-nav-link:hover .post-nav-arrow {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
}

.post-nav-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.post-nav-label {
    font-size: 0.72rem;
    color: var(--text-tertiary, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.post-nav-title {
    font-size: 0.88rem;
    color: var(--text-primary, #1e293b);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-nav-placeholder {
    flex: 1;
    max-width: 48%;
}

/* 文章不存在 */
.post-not-found {
    text-align: center;
    padding: 4rem 1rem;
}

.post-not-found i {
    font-size: 4rem;
    color: #cbd5e1;
    margin-bottom: 1rem;
}

.post-not-found h2 {
    font-size: 1.25rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.post-not-found p {
    color: #64748b;
    margin-bottom: 1.5rem;
}

.post-not-found a {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    background: #667eea;
    color: #fff;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 0.875rem;
    transition: background 0.2s;
}

.post-not-found a:hover {
    background: #5568d3;
}

/* ========== 博客图片卡片网格 ========== */
.blog-card-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .blog-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.blog-image-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    height: 100%;
}

.blog-image-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.12);
    border-color: #c7d2fe;
}

.blog-image-card-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #f1f5f9;
    flex-shrink: 0;
}

.blog-image-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.blog-image-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 3rem;
}

.blog-image-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.25rem 1rem 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    color: #fff;
}

.blog-image-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}

.blog-image-card-excerpt {
    font-size: 0.8rem;
    margin-top: 0.375rem;
    opacity: 0.85;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.4em;
}

.blog-image-card-meta {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    color: #94a3b8;
    flex-wrap: wrap;
    flex-shrink: 0;
    border-top: 1px solid #f1f5f9;
    margin-top: auto;
}

.blog-image-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.blog-card-cat {
    color: #667eea !important;
    font-weight: 500;
}

/* ========== 分类筛选栏 ========== */
.blog-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0;
    background: transparent;
    border-radius: 0.5rem;
}

.blog-filter-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 1rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--card-bg, rgba(255,255,255,0.6));
    border: 1px solid var(--border-color, rgba(102,126,234,0.15));
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary, #475569);
    text-decoration: none;
    transition: all 0.25s ease;
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 36px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}


.blog-filter-item:hover {
    background: var(--card-bg, rgba(255,255,255,0.9));
    border-color: var(--accent-color, rgba(102,126,234,0.4));
    color: #667eea;
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(102,126,234,0.12);
}

.blog-filter-item.active {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    border-color: transparent !important;
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(102,126,234,0.35);
}

.filter-count {
    opacity: 0.6;
    font-size: 0.75rem;
    margin-left: 0.125rem;
}

/* ========== 分类页：适配主页博客卡片风格 ========== */
.category-home-cards-page .blog-filter-bar {
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding: 0.85rem;
    background: var(--bg-card, rgba(255,255,255,0.72));
    border: 1px solid var(--border-color, rgba(226,232,240,0.9));
    border-radius: 0.9rem;
    box-shadow: 0 10px 24px -18px rgba(15, 23, 42, 0.25);
}

.category-home-cards-page .blog-filter-item {
    min-height: 38px;
    padding: 0.45rem 0.95rem;
    background: var(--bg-tertiary, #f8fafc);
    border-color: var(--border-color, #e5e7eb);
    color: var(--text-secondary, #64748b);
    box-shadow: none;
}

.category-home-cards-page .blog-filter-item:hover {
    background: var(--bg-card, #fff);
    border-color: rgba(102,126,234,0.35);
    color: var(--accent, #667eea);
    box-shadow: 0 8px 18px -14px rgba(102,126,234,0.45);
}

.category-home-cards-page .blog-filter-item.active {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: #fff !important;
    box-shadow: 0 10px 22px -14px rgba(102,126,234,0.8);
}

.category-home-cards-page .category-post-grid {
    margin-bottom: 2rem;
}

/* ========== 文章标签样式 ========== */
.post-detail-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #f1f5f9;
    font-size: 0.85rem;
    color: #94a3b8;
}

.post-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background: #f1f5f9;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s;
}

.post-tag:hover {
    background: #e0e7ff;
    color: #667eea;
}

.post-detail-meta a {
    color: #667eea;
    text-decoration: none;
}

.post-detail-meta a:hover {
    text-decoration: underline;
}

/* ========== 暗色模式适配 ========== */
[data-theme="dark"] .blog-page-header h1,
[data-theme="dark"] .post-detail-title,
[data-theme="dark"] .post-detail-content h1,
[data-theme="dark"] .post-detail-content h2,
[data-theme="dark"] .post-detail-content h3,
[data-theme="dark"] .post-detail-content h4,
[data-theme="dark"] .blog-list-card-title,
[data-theme="dark"] .blog-image-card-title,
[data-theme="dark"] .post-not-found h2 {
    color: #f1f5f9;
}

[data-theme="dark"] .blog-page-header .back-home-btn,
[data-theme="dark"] .post-detail-back,
[data-theme="dark"] .post-nav-link {
    background: var(--card-bg, #1e293b);
    border-color: rgba(102, 126, 234, 0.15);
}

[data-theme="dark"] .post-nav-link:hover {
    border-color: rgba(102, 126, 234, 0.3);
}

[data-theme="dark"] .post-nav-title {
    color: var(--text-primary, #e2e8f0);
}

[data-theme="dark"] .post-nav-label {
    color: var(--text-tertiary, #64748b);
}

[data-theme="dark"] .blog-list-card,
[data-theme="dark"] .blog-image-card {
    background-color: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .blog-list-card:hover,
[data-theme="dark"] .blog-image-card:hover {
    border-color: rgba(102, 126, 234, 0.3);
}

[data-theme="dark"] .blog-list-card-cover,
[data-theme="dark"] .blog-image-card-cover,
[data-theme="dark"] .post-detail-cover {
    background-color: #1e293b;
}

[data-theme="dark"] .blog-list-card-excerpt,
[data-theme="dark"] .post-detail-content {
    color: #94a3b8;
}

[data-theme="dark"] .blog-list-card-meta,
[data-theme="dark"] .blog-image-card-meta,
[data-theme="dark"] .post-detail-meta,
[data-theme="dark"] .blog-page-empty,
[data-theme="dark"] .post-not-found p,
[data-theme="dark"] .post-detail-content figcaption,
[data-theme="dark"] .post-detail-tags,
[data-theme="dark"] .post-detail-content h6,
[data-theme="dark"] .post-not-found i {
    color: #64748b;
}

[data-theme="dark"] .blog-list-card-meta,
[data-theme="dark"] .blog-image-card-meta,
[data-theme="dark"] .post-detail-meta,
[data-theme="dark"] .post-detail-tags,
[data-theme="dark"] .post-detail-footer {
    border-top-color: #334155;
}

[data-theme="dark"] .blog-pagination span,
[data-theme="dark"] .blog-pagination a {
    background: #1e293b;
    border-color: #334155;
    color: #94a3b8;
}

[data-theme="dark"] .blog-pagination a:hover {
    background: #334155;
    border-color: #475569;
}

[data-theme="dark"] .post-detail-content blockquote {
    background-color: #1e293b;
    color: #94a3b8;
    border-left-color: var(--accent);
}

[data-theme="dark"] .post-detail-content :not(pre) > code {
    background-color: #334155;
    color: #f87171;
}

[data-theme="dark"] .post-detail-content hr {
    border-top-color: #334155;
}

[data-theme="dark"] .post-detail-content th,
[data-theme="dark"] .post-detail-content td {
    border-color: #334155;
}

[data-theme="dark"] .post-detail-content th {
    background-color: #1e293b;
}

[data-theme="dark"] .blog-filter-bar {
    background: transparent;
}

[data-theme="dark"] .blog-filter-item {
    background: var(--card-bg);
    border-color: rgba(102,126,234,0.18);
    color: var(--text-secondary, #cbd5e1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

[data-theme="dark"] .blog-filter-item:hover {
    background: rgba(30,41,59,0.95);
    border-color: rgba(102,126,234,0.35);
    color: var(--accent);
}

[data-theme="dark"] .blog-filter-item.active {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: #fff !important;
    border-color: transparent !important;
}

[data-theme="dark"] .post-tag {
    background: #1e293b;
    color: #94a3b8;
}

[data-theme="dark"] .post-tag:hover {
    background: rgba(102, 126, 234, 0.15);
    color: var(--accent);
}

[data-theme="dark"] .blog-card-cat {
    color: var(--accent) !important;
}

[data-theme="dark"] .post-detail-content a,
[data-theme="dark"] .post-detail-meta a {
    color: var(--accent);
}

[data-theme="dark"] .post-detail-content a:hover {
    border-bottom-color: var(--accent);
}

[data-theme="dark"] .post-detail-content h2 {
    border-bottom-color: #334155;
}

[data-theme="dark"] .post-not-found a {
    background: var(--accent);
}

[data-theme="dark"] .post-not-found a:hover {
    background: var(--accent-hover);
}

/* ========== 文章版权声明 ========== */
.post-copyright {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    margin: 2rem 0;
    background: linear-gradient(135deg, rgba(102,126,234,0.05), rgba(118,75,162,0.05));
    border: 1px solid rgba(102,126,234,0.15);
    border-radius: 0.75rem;
    border-left: 4px solid var(--accent, #667eea);
}
.copyright-icon {
    font-size: 1.5rem;
    color: var(--accent, #667eea);
    padding-top: 0.2rem;
}
.copyright-body h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
    margin-bottom: 0.4rem;
}
.copyright-body p {
    font-size: 0.82rem;
    color: var(--text-secondary, #64748b);
    line-height: 1.6;
    margin-bottom: 0.3rem;
}
.copyright-body a {
    color: var(--accent, #667eea);
}
.copyright-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.76rem !important;
    color: var(--text-muted, #94a3b8) !important;
}
[data-theme="dark"] .post-copyright {
    background: rgba(102,126,234,0.08);
    border-color: rgba(102,126,234,0.2);
}

/* ========== 独立版权声明（文章外部） ========== */
.post-copyright-standalone {
    display: flex;
    gap: 1rem;
    padding: 1.5rem 1.75rem;
    margin-top: 2rem;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 1rem;
    border-left: 4px solid var(--accent, #667eea);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.post-copyright-standalone .copyright-icon {
    font-size: 1.75rem;
    color: var(--accent, #667eea);
    padding-top: 0.15rem;
    flex-shrink: 0;
}
.post-copyright-standalone .copyright-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
    margin-bottom: 0.5rem;
}
.post-copyright-standalone .copyright-body p {
    font-size: 0.85rem;
    color: var(--text-secondary, #64748b);
    line-height: 1.65;
    margin-bottom: 0.35rem;
}
.post-copyright-standalone .copyright-body a {
    color: var(--accent, #667eea);
}
.post-copyright-standalone .copyright-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.78rem !important;
    color: var(--text-muted, #94a3b8) !important;
    margin-top: 0.5rem;
    word-break: break-all;
    overflow-wrap: break-word;
}

[data-theme="dark"] .post-copyright-standalone {
    background: var(--card-bg, #1e293b);
    border-color: rgba(102,126,234,0.18);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* ========== 博客文章移动端适配 ========== */
@media (max-width: 640px) {
    .post-detail-title {
        font-size: 1.35rem;
    }
    .post-detail-content h1 { font-size: 1.3rem; }
    .post-detail-content h2 { font-size: 1.15rem; }
}

@media (max-width: 480px) {
    .blog-image-card-meta {
        font-size: 0.8rem;
        gap: 0.5rem;
    }
}

/* ========== 移动端分类筛选与按钮优化 ========== */
@media (max-width: 640px) {
    .blog-filter-bar {
        padding: 0.5rem;
        gap: 0.4rem;
    }
    .blog-filter-item {
        padding: 0.35rem 0.65rem;
        font-size: 0.78rem;
        min-height: 32px;
        border-radius: 0.45rem;
    }
    .filter-count {
        font-size: 0.7rem;
    }
    .blog-page-header {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    .blog-page-header h1 {
        font-size: 1.35rem;
    }
    .back-home-btn,
    .post-detail-back {
        padding: 0.4rem 0.75rem;
        font-size: 0.78rem;
        min-height: 34px;
    }
    .post-nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        min-height: 44px;
    }
    .post-nav-arrow {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    .post-nav-title {
        font-size: 0.8rem;
    }
    .post-detail-footer {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    .post-copyright-standalone {
        padding: 1rem;
        gap: 0.75rem;
        flex-direction: column;
    }
    .post-copyright-standalone .copyright-icon {
        font-size: 1.5rem;
    }
    .post-copyright-standalone .copyright-body h4 {
        font-size: 0.95rem;
    }
    .post-copyright-standalone .copyright-body p {
        font-size: 0.8rem;
    }
    .post-copyright-standalone .copyright-meta {
        gap: 0.6rem;
    }
}

@media (max-width: 400px) {
    .blog-filter-bar {
        gap: 0.35rem;
    }
    .blog-filter-item {
        padding: 0.3rem 0.55rem;
        font-size: 0.74rem;
    }
}