/* AI导航详情页样式 */
.article-content {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
}

.article-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

/* 更新主内容区域样式 */
.article-content {
    background: #fff;
    border-radius: 0px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
    padding: 24px;
}

.article-header h1 {
    font-size: 24px;
    color: #333;
    margin: 0 0 20px;
    font-weight: 500;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.meta-left span {
    color: #666;
    font-size: 14px;
    margin-right: 20px;
}

.meta-left i {
    margin-right: 5px;
}

.meta-right .btn {
    margin-left: 10px;
}

.btn-visit {
    background: #1890ff;
    border-color: #1890ff;
}

.btn-qrcode {
    border: 1px solid #ddd;
    color: #666;
}

/* 统计数据样式 */
.nav-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-icon {
    width: 32px;
    height: 32px;
    background: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.stat-count {
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

/* 描述内容样式 */
.nav-description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* 标签样式 */
.article-tags {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.article-tags .label {
    display: inline-block;
    padding: 4px 8px;
    margin-right: 8px;
    background: #e6f7ff;
    color: #1890ff;
    border-radius: 4px;
    font-size: 12px;
}

/* 右侧相关导航样式 */
.sidebar-box {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
}

.box-title {
    padding: 16px 20px;
    border-bottom: 1px solid #eee;
}

.box-title h3 {
    font-size: 16px;
    color: #333;
    margin: 0;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.box-title h3 i {
    margin-right: 8px;
    font-size: 20px;
}

.box-body {
    padding: 20px;
}

.related-nav-item {
    padding-bottom: 15px;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.related-nav-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.related-nav-item h4 {
    margin: 0 0 8px;
}

.related-nav-item h4 a {
    color: #333;
    font-size: 14px;
    text-decoration: none;
}

.related-nav-item h4 a:hover {
    color: #1890ff;
}

.related-nav-item p {
    color: #666;
    font-size: 12px;
    line-height: 1.6;
    margin: 0;
}

/* AI详情页样式优化 */
.ai-detail-content {
    background: #fff;
    padding: 0;
    margin-bottom: 30px;
    overflow: hidden;
}

.ai-detail-header {
    display: flex;
    padding: 30px;
    border-bottom: 1px solid #eaeaea;
}

.ai-header-left {
    flex: 0 0 180px;
    margin-right: 30px;
}

.ai-header-right {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ai-preview-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
}

.ai-tool-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 100%;
}

.ai-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin: 0 0 15px;
}

.ai-meta-info {
    margin-bottom: 20px;
}

.ai-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 10px;
}

.ai-stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #666;
}

.ai-stat-item i {
    font-size: 18px;
}

.ai-tags {
    margin-top: 10px;
}

.ai-tag {
    display: inline-block;
    padding: 4px 10px;
    background: #f0f2f5;
    color: #666;
    border-radius: 4px;
    font-size: 12px;
    margin-right: 8px;
    margin-bottom: 8px;
}

.ai-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.ai-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.ai-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.ai-btn i {
    margin-right: 5px;
    font-size: 18px;
}

.ai-btn-primary {
    background: #2080F8;
    color: #fff;
    border: none;
}

.ai-btn-primary:hover {
    background: #1a6fd9;
    color: #fff;
}

.ai-btn-secondary {
    background: #f0f2f5;
    color: #666;
    border: none;
}

.ai-btn-secondary:hover {
    background: #e6e8eb;
    color: #333;
}

.ai-btn-outline {
    background: transparent;
    color: #666;
    border: 1px solid #ddd;
}

.ai-btn-outline:hover {
    border-color: #2080F8;
    color: #2080F8;
}

.ai-content-box {
    padding: 30px;
}

.ai-content-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eaeaea;
}

.ai-content {
    color: #666;
    line-height: 1.8;
}

.related-nav-image {
    width: 60px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    float: left;
    margin-right: 15px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-nav-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.related-nav-content {
    overflow: hidden;
}

.related-nav-meta {
    color: #999;
    font-size: 12px;
    margin-bottom: 5px;
}

.related-nav-meta i {
    font-size: 14px;
    vertical-align: middle;
    margin-right: 3px;
}

/* AI导航列表页样式 */
.ai-banner {
    background: linear-gradient(135deg, #2080F8, #1a6fd9);
    border-radius: 8px;
    padding: 40px 30px;
    margin-bottom: 30px;
    text-align: center;
    color: #fff;
}

.ai-banner-title {
    font-size: 32px;
    font-weight: 600;
    margin: 0 0 15px;
}

.ai-banner-desc {
    font-size: 16px;
    opacity: 0.9;
    margin: 0;
}

.ai-filter-box {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
    margin-bottom: 30px;
}

.ai-filter-header {
    padding: 15px 20px;
    border-bottom: 1px solid #eaeaea;
}

.ai-filter-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    color: #333;
    display: flex;
    align-items: center;
}

.ai-filter-header h3 i {
    margin-right: 8px;
    font-size: 20px;
}

.ai-filter-body {
    padding: 15px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ai-filter-item {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    color: #666;
    background: #f5f5f5;
    text-decoration: none;
    transition: all 0.3s;
}

.ai-filter-item:hover {
    background: #e6e8eb;
    color: #333;
}

.ai-filter-item.active {
    background: #2080F8;
    color: #fff;
}

.ai-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.ai-tool-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
    overflow: hidden;
    transition: all 0.3s;
}

.ai-tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,.1);
}

.ai-tool-image {
    height: 220px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
}

.ai-tool-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.ai-tool-content {
    padding: 20px;
}

.ai-tool-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px;
    line-height: 1.4;
}

.ai-tool-title a {
    color: #333;
    text-decoration: none;
}

.ai-tool-title a:hover {
    color: #2080F8;
}

.ai-tool-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
    height: 44px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.ai-tool-meta {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ai-tool-stats {
    display: flex;
    justify-content: space-between;
}

.ai-stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #999;
    font-size: 12px;
}

.ai-stat-item i {
    font-size: 16px;
}

.ai-tool-actions {
    display: flex;
    gap: 10px;
}

.ai-btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.ai-btn-sm i {
    font-size: 14px;
}

.ai-pagination {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 30px;
}

.ai-pagination .pagination {