/* 博客页面特有样式 */

/* Logo链接样式 */
.logo-link {
    text-decoration: none;
    color: inherit;
}

.nav-link.active {
    color: var(--secondary-color);
}

.nav-link.active::after {
    width: 100%;
}

/* 博客头部 */
.blog-header {
    padding: calc(var(--header-height) + 4rem) 0 4rem;
    background: linear-gradient(135deg, 
        rgba(108, 92, 231, 0.08) 0%, 
        var(--background-color) 50%, 
        rgba(0, 206, 201, 0.06) 100%);
    text-align: center;
}

.blog-header-content {
    max-width: 1000px;
    margin: 0 auto;
}

.blog-header-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.blog-header-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.blog-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.blog-stats .stat-item {
    text-align: center;
}

.blog-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.blog-stats .stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* 博客过滤器 */
.blog-filter {
    padding: 0;
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: var(--header-height);
    z-index: 100;
    /* 当顶部分类目录隐藏时，整个filter区域也应该隐藏 */
    min-height: 0;
    overflow: hidden;
}

/* 当顶部分类目录显示时，恢复filter区域的padding */
.blog-filter:has(.top-category-filter-integrated:not([style*="display: none"])) {
    padding: 2rem 0;
}

/* 兼容性fallback - 用JavaScript类控制 */
.blog-filter.has-visible-content {
    padding: 2rem 0;
}

.filter-container-simple {
    text-align: center;
    padding: 1rem 0;
}

.filter-status-info {
    max-width: 600px;
    margin: 0 auto;
}

.filter-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.filter-description {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}

/* 旧样式已移除，统一由快速操作栏控制 */

/* 顶部分类目录 - 整合版本 */
.top-category-filter-integrated {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
    padding: 1rem 0;
    border-radius: 8px;
    animation: slideDown 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 200px;
    }
}

.top-category-header {
    margin-bottom: 0.75rem;
}

.category-header-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-hide-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 6px 12px;
    border-radius: 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.category-hide-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.category-hide-btn .btn-emoji {
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.category-hide-btn:hover .btn-emoji {
    transform: scale(1.1);
}

.category-hide-btn .btn-text {
    font-size: 0.8rem;
    font-weight: 500;
}

.top-category-content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.top-category-content::-webkit-scrollbar {
    height: 4px;
}

.top-category-content::-webkit-scrollbar-track {
    background: transparent;
}

.top-category-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.top-category-content::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 顶部搜索容器 */
.top-search-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--background-color);
    border-radius: 25px;
    border: 1px solid var(--border-color);
}

.top-search-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.9rem;
    color: var(--text-color);
    padding: 0.5rem;
}

.top-search-input::placeholder {
    color: var(--text-light);
}

.top-search-btn,
.top-search-clear {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.top-search-btn:hover,
.top-search-clear:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.top-search-clear {
    background: var(--text-light);
}

.top-search-clear:hover {
    background: #e74c3c;
}

/* 水平分类标签 */
.filter-tabs.horizontal {
    display: flex;
    gap: 0.75rem;
    padding: 0.5rem 0;
    min-width: max-content;
}

.filter-tabs.horizontal .filter-tab {
    flex-shrink: 0;
    padding: 10px 18px;
    border-radius: 25px;
    white-space: nowrap;
    min-width: auto;
}

.filter-tabs.horizontal .tab-content {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-tabs.horizontal .tab-emoji {
    font-size: 1rem;
    display: inline-block;
}

.filter-tabs.horizontal .tab-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 搜索功能已移至侧边栏和顶部模式 */

/* 通用筛选标签样式 */
.filter-tab {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* 侧边栏分类目录 */
.category-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.category-sidebar.active {
    transform: translateX(0);
}

.sidebar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-sidebar.active .sidebar-overlay {
    opacity: 1;
}

.sidebar-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 320px;
    max-width: 85vw;
    height: 100%;
    background: var(--background-color);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--surface-color);
}

.sidebar-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.sidebar-close-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.sidebar-close-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.sidebar-close-btn .btn-emoji {
    font-size: 1rem;
    position: absolute;
    transition: all 0.3s ease;
}

.sidebar-close-btn .close-emoji {
    font-size: 0.8rem;
    position: absolute;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s ease;
}

.sidebar-close-btn:hover .btn-emoji {
    opacity: 0;
    transform: scale(0.5) rotate(-15deg);
}

.sidebar-close-btn:hover .close-emoji {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.sidebar-body {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.filter-tabs.vertical {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-tabs.vertical .filter-tab {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.filter-tabs.vertical .tab-content {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.filter-tabs.vertical .tab-emoji {
    font-size: 1.2rem;
    display: inline-block;
    min-width: 24px;
    text-align: center;
}

.filter-tabs.vertical .tab-text {
    font-size: 0.9rem;
    font-weight: 500;
}

.filter-tabs.vertical .filter-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--secondary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.filter-tabs.vertical .filter-tab.active::before,
.filter-tabs.vertical .filter-tab:hover::before {
    transform: scaleY(1);
}

.filter-tabs.vertical .filter-tab.active {
    background: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.sidebar-stats {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    justify-content: space-around;
    border: 1px solid var(--border-color);
}

.sidebar-stats .stat-item {
    text-align: center;
}

.sidebar-stats .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.sidebar-stats .stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* 侧边栏搜索区域 */
.sidebar-search-section,
.sidebar-layout-section,
.sidebar-category-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-category-section {
    border-bottom: none;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-search-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.sidebar-search-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    background: var(--background-color);
}

.sidebar-search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.sidebar-search-btn,
.sidebar-search-clear {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 12px;
    border-radius: 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
}

.sidebar-search-btn:hover,
.sidebar-search-clear:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.sidebar-search-clear {
    background: var(--text-light);
}

.sidebar-search-clear:hover {
    background: #e74c3c;
}

.search-tips {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.tip-item {
    font-size: 0.8rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* 布局切换区域 */
.layout-toggle-container {
    text-align: left;
}

.layout-toggle-btn {
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.layout-toggle-btn:hover {
    border-color: var(--primary-color);
    background: rgba(52, 152, 219, 0.05);
    transform: translateY(-2px);
}

.layout-toggle-btn[data-layout="top"] {
    border-color: var(--primary-color);
    background: rgba(52, 152, 219, 0.1);
}

.layout-icon {
    font-size: 1.5rem;
    min-width: 32px;
    text-align: center;
}

.layout-text {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    flex: 1;
}

.layout-status {
    background: var(--primary-color);
    color: white;
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

.layout-toggle-btn[data-layout="top"] .layout-status {
    background: var(--secondary-color);
}

.layout-description {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    line-height: 1.4;
    padding: 0 0.5rem;
}

/* 快速操作栏增强 */
.quick-actions-bar {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 999;
}

.quick-action {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--secondary-color);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quick-action:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.quick-action:active {
    transform: translateY(0);
}

/* 回到顶部按钮默认隐藏 */
#scrollTopBtn {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* 博客内容 */
.blog-content {
    padding: 4rem 0 6rem;
    background: var(--background-color);
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}

/* 最新文章区域 */
.latest-posts {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* 特色文章 */
.featured-post {
    margin-bottom: 2rem;
}

.post-card.featured {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

.post-card.featured:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.post-image {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.post-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    position: relative;
}

.post-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.post-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
}

.post-link {
    color: var(--accent-color) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    border-bottom: 1px solid transparent !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
}

.post-link:hover {
    color: var(--primary-color) !important;
    border-bottom-color: var(--accent-color) !important;
    transform: translateY(-1px) !important;
}

.post-bookmark {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-light);
    padding: 0.75rem;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.post-bookmark:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

/* 博客文章网格 */
.blog-posts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.post-card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--secondary-color);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.post-category {
    background: var(--secondary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.post-date,
.post-read-time {
    color: var(--text-light);
    font-size: 0.9rem;
}

.post-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.post-card.featured .post-title {
    font-size: 2rem;
}

.post-excerpt {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.post-tag {
    background: var(--surface-color);
    color: var(--text-color);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.post-link.primary {
    background: var(--accent-color) !important;
    color: white !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 25px !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    border-bottom: none !important;
}

.post-link.primary:hover {
    background: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-2px) !important;
    border-bottom: none !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

/* 订阅区域 */
.newsletter {
    padding: 4rem 0;
    background: var(--surface-color);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.newsletter-description {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.newsletter-input:focus {
    border-color: var(--secondary-color);
}

.newsletter-btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.newsletter-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* 隐藏文章的动画 */
.post-card.hidden {
    display: none;
}

.post-card.show {
    animation: fadeInUp 0.5s ease forwards;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .blog-header-title {
        font-size: 2.5rem;
    }
    
    .blog-stats {
        gap: 2rem;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-status-info {
        padding: 0.5rem;
    }

    .filter-title {
        font-size: 1.5rem;
    }

    .filter-description {
        font-size: 0.9rem;
    }
    
    .search-container {
        min-width: auto;
    }
    
    .post-card.featured {
        grid-template-columns: 1fr;
    }
    
    .blog-posts {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
        max-width: 300px;
    }
    
    /* 侧边栏响应式 */
    .sidebar-content {
        width: 280px;
        max-width: 90vw;
    }
    
    .sidebar-body {
        padding: 1rem;
    }
    
    .quick-actions-bar {
        right: 1rem;
        bottom: 1rem;
    }
    
    .quick-action {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    /* 顶部分类目录移动端优化 */
    .top-category-filter-integrated {
        padding: 0.75rem 0;
        margin-top: 0.75rem;
    }

    .category-header-info {
        margin-bottom: 0.75rem;
    }

    .category-title {
        font-size: 1rem;
    }

    .category-hide-btn {
        padding: 5px 8px;
        font-size: 0.75rem;
        gap: 0.3rem;
    }
    
    .category-hide-btn .btn-text {
        display: none;
    }
    
    .category-hide-btn .btn-emoji {
        font-size: 0.9rem;
    }

    .filter-tabs.horizontal {
        gap: 0.5rem;
        padding: 0.25rem 0;
    }

    .filter-tabs.horizontal .filter-tab {
        padding: 8px 14px;
        font-size: 0.85rem;
    }

    .filter-tabs.horizontal .tab-emoji {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .blog-header {
        padding: calc(var(--header-height) + 2rem) 0 2rem;
    }
    
    .blog-header-title {
        font-size: 2rem;
    }
    
    .blog-stats {
        gap: 1.5rem;
    }
    
    .blog-stats .stat-number {
        font-size: 1.5rem;
    }
    
    .sidebar-toggle-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .sidebar-toggle-btn span {
        display: none;
    }
    
    .sidebar-content {
        width: 260px;
        max-width: 95vw;
    }
    
    .sidebar-header {
        padding: 1rem;
    }
    
    .sidebar-body {
        padding: 0.75rem;
    }
    
    .filter-tabs.vertical .tab-content {
        gap: 8px;
    }
    
    .filter-tabs.vertical .tab-emoji {
        font-size: 1rem;
        min-width: 20px;
    }
    
    .filter-tabs.vertical .tab-text {
        font-size: 0.85rem;
    }
    
    .post-card,
    .post-card.featured {
        padding: 1.5rem;
    }
    
    .quick-actions-bar {
        right: 0.5rem;
        bottom: 0.5rem;
    }
    
    .quick-action {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}

/* 文章列表标题 */
.posts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.posts-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.posts-count {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 文章网格 */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* 文章卡片增强 */
.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.post-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.post-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* 文章占位符 */
.post-placeholder {
    background: var(--surface-color);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-light);
}

.placeholder-content i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.placeholder-content h4 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.subscribe-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    display: inline-block;
}

.subscribe-link:hover {
    text-decoration: underline;
}

/* 加载更多区域 */
.load-more-section {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.08) 0%, rgba(155, 89, 182, 0.08) 100%);
    border-radius: 20px;
    margin: 3rem auto 2rem;
    max-width: 600px;
    position: relative;
    border: 2px solid rgba(52, 152, 219, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.load-more-btn.modern {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.35);
    overflow: hidden;
    min-width: 260px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.load-more-btn.modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.load-more-btn.modern:active {
    transform: translateY(-1px);
}

.load-more-btn.modern:disabled {
    cursor: not-allowed;
    opacity: 0.7;
    transform: none;
}

.load-more-btn .btn-content,
.load-more-btn .btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.load-more-btn .btn-loading {
    display: none;
}

.load-more-btn .btn-loading i {
    animation: spin 1s linear infinite;
}

.load-complete-message {
    display: none;
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 15px;
    background: rgba(39, 174, 96, 0.1);
    border: 1px solid rgba(39, 174, 96, 0.2);
    border-radius: 25px;
    margin-top: 1rem;
    animation: fadeIn 0.5s ease;
}

.load-complete-message i {
    color: #27ae60;
    margin-right: 8px;
}

/* 加载更多提示文本 */
.load-more-hint {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.8;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.load-more-hint.first-load {
    color: var(--primary-color);
    font-weight: 500;
}

.load-more-hint.first-load::before {
    content: "💡 ";
    margin-right: 0.5rem;
}

.load-more-hint.scroll-enabled {
    color: #27ae60;
}

.load-more-hint.scroll-enabled::before {
    content: "✨ ";
    margin-right: 0.5rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动加载指示器 */
.scroll-loading-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 10px 15px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    transform: translateX(200px);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.scroll-loading-indicator.visible {
    transform: translateX(0);
}

.scroll-loading-indicator i {
    margin-right: 8px;
    animation: spin 1s linear infinite;
}

/* 文章网格改进 */
.posts-grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.posts-list-view {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.posts-list-view .post-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: 12px;
    background: var(--surface-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.posts-list-view .post-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* 内容头部样式 */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 2rem 0;
    border-bottom: 2px solid var(--border-color);
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.05) 0%, rgba(155, 89, 182, 0.05) 100%);
    border-radius: 15px;
    padding: 2rem;
}

.header-info h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-info p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin: 0;
}

.content-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.view-mode-toggle {
    display: flex;
    background: var(--surface-color);
    border-radius: 25px;
    padding: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.view-btn {
    background: transparent;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-light);
}

.view-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
}

.sort-select {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: var(--surface-color);
    color: var(--text-color);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* 集合统计样式 */
.collection-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.collection-stats span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.collection-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

/* 空状态改进 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-illustration {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.empty-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.empty-text {
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.empty-action-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.empty-action-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

/* 内容底部样式 */
.content-footer {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.05) 0%, rgba(155, 89, 182, 0.05) 100%);
    border-radius: 15px;
    text-align: center;
}

.footer-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.footer-stats .stat-item i {
    color: var(--primary-color);
}

.footer-tip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
}

.footer-tip i {
    color: #f39c12;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .content-header {
        flex-direction: column;
        gap: 1.5rem;
        align-items: stretch;
    }
    
    .content-controls {
        justify-content: space-between;
    }
    
    .collection-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .posts-grid-view {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .posts-list-view .post-card {
        flex-direction: column;
        gap: 1rem;
    }
}

/* 加载状态 */
.loading-posts {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
    grid-column: 1 / -1;
}

.loading-spinner {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.loading-spinner i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 空状态 */
.empty-posts {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
    grid-column: 1 / -1;
}

.empty-posts i {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-posts h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.empty-posts p {
    font-size: 1rem;
    line-height: 1.6;
}

/* 文章卡片动画 */
.post-card {
    animation: fadeInUp 0.6s ease-out;
}

.post-card:nth-child(2) { animation-delay: 0.1s; }
.post-card:nth-child(3) { animation-delay: 0.2s; }
.post-card:nth-child(4) { animation-delay: 0.3s; }

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

/* === 🌙 深色模式活力配色 === */
.dark-mode {
    --primary-color: #a29bfe;           /* 浅紫 - 深色下的主色调，柔和活力 */
    --secondary-color: #55efc4;         /* 薄荷绿 - 深色下的辅助色，清新护眼 */
    --accent-color: #ff7675;            /* 珊瑚粉 - 深色下的强调色，温暖吸睛 */
    --background-color: #2d3436;        /* 深灰 - 主背景，舒适护眼 */
    --surface-color: #636e72;           /* 中灰 - 表面背景，层次分明 */
    --text-color: #ddd;                 /* 浅灰 - 主文字，清晰易读 */
    --text-light: #b2bec3;              /* 淡灰 - 辅助文字，柔和平衡 */
    --text-secondary: #81ecec;          /* 浅青 - 次要文字，活力点缀 */
    --border-color: #74b9ff;            /* 亮蓝 - 边框色，活力分割 */
    --hover-color: #474b52;             /* 深灰蓝 - 悬浮背景，交互反馈 */
    --success-color: #00b894;           /* 鲜绿 - 成功色，生机活力 */
    --warning-color: #fdcb6e;           /* 亮黄 - 警告色，温暖提醒 */
    --danger-color: #e84393;            /* 品红 - 危险色，强烈警示 */
    --info-color: #74b9ff;              /* 天蓝 - 信息色，清新明快 */
    --shadow-light: 0 4px 20px rgba(162, 155, 254, 0.2);
    --shadow-medium: 0 8px 40px rgba(162, 155, 254, 0.3);
    --border-light: rgba(162, 155, 254, 0.2);
}

/* 深色模式下的导航栏 */
.dark-mode .nav {
    background: rgba(45, 52, 54, 0.95);
    border-bottom: 1px solid var(--border-color);
}

/* 深色模式下的博客头部 */
.dark-mode .blog-header {
    background: linear-gradient(135deg, 
        rgba(162, 155, 254, 0.08) 0%, 
        var(--background-color) 50%, 
        rgba(85, 239, 196, 0.06) 100%);
}

/* 深色模式下的博客过滤器 */
.dark-mode .blog-filter {
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.dark-mode .top-category-filter-integrated {
    background: rgba(45, 52, 54, 0.95);
    border: 1px solid var(--border-color);
}

/* 深色模式下的侧边栏 */
.dark-mode .sidebar-content {
    background: var(--background-color);
    border-right: 1px solid var(--border-color);
}

.dark-mode .sidebar-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
}

/* 深色模式下的搜索容器 */
.dark-mode .top-search-container,
.dark-mode .sidebar-search-container {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
}

.dark-mode .top-search-input,
.dark-mode .sidebar-search-input {
    background: transparent;
    color: var(--text-color);
}

/* 深色模式下的博客卡片 */
.dark-mode .post-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
}

.dark-mode .post-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.dark-mode .post-card.featured {
    background: linear-gradient(135deg, var(--surface-color), var(--background-color));
    border-color: var(--primary-color);
}

/* 深色模式下的标签 */
.dark-mode .filter-tab {
    border-color: var(--border-color);
    color: var(--text-color);
}

.dark-mode .filter-tab:hover,
.dark-mode .filter-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--background-color);
}

/* 深色模式下的按钮 */
.dark-mode .quick-action,
.dark-mode .category-hide-btn,
.dark-mode .sidebar-close-btn {
    background: var(--surface-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

.dark-mode .quick-action:hover,
.dark-mode .category-hide-btn:hover,
.dark-mode .sidebar-close-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--background-color);
}

/* 深色模式下的加载按钮 */
.dark-mode .load-more-btn.modern {
    background: var(--primary-color);
    color: var(--background-color);
}

.dark-mode .load-more-btn.modern:hover {
    background: var(--secondary-color);
}

/* 精选文章样式优化 */
.post-card.featured {
    position: relative;
    overflow: hidden;
}

.post-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.post-card.featured:hover::before {
    left: 100%;
}

/* 文章统计数字动画 */
.stat-number {
    transition: all 0.3s ease;
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
    color: var(--primary-color);
}

/* 侧边栏优化 */
.sidebar-widget:nth-child(1) { animation-delay: 0.4s; }
.sidebar-widget:nth-child(2) { animation-delay: 0.5s; }
.sidebar-widget:nth-child(3) { animation-delay: 0.6s; }

.sidebar-widget {
    animation: fadeInRight 0.6s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 搜索高亮 */
.search-highlight {
    background: var(--accent-color);
    color: white;
    padding: 0 4px;
    border-radius: 3px;
}

/* 过滤器过渡效果 */
.filter-tab {
    position: relative;
    overflow: hidden;
}

.filter-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.4s ease;
}

.filter-tab:hover::before {
    left: 100%;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .loading-posts {
        padding: 3rem 1rem;
    }
    
    .empty-posts {
        padding: 3rem 1rem;
    }
    
    .empty-posts i {
        font-size: 3rem;
    }
    
    .loading-spinner {
        font-size: 1.5rem;
    }
}