/**
 * 标签页面样式
 * 参考电子发烧友tag页面设计
 */

/* CSS变量 */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --background: #f5f7fa;
    --card-bg: #ffffff;
    --border: #e0e6ed;
    --text-dark: #2c3e50;
    --text-muted: #6c757d;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.12);
}

/* 主容器 - 统一宽度1400px */
.tag-page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background: var(--background);
}

/* 面包屑导航 */
.tag-breadcrumb {
    background: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.tag-breadcrumb a {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.tag-breadcrumb a:hover {
    color: var(--primary);
}

.tag-breadcrumb .breadcrumb-separator {
    color: #ccc;
}

.tag-breadcrumb .breadcrumb-current {
    color: var(--text-dark);
    font-weight: 600;
}

/* 标签头部 */
.tag-header-section {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.tag-main-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 15px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tag-main-title .tag-icon {
    font-size: 36px;
}

.tag-stats {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 15px;
}

.tag-stats-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tag-stats-item strong {
    color: var(--secondary);
    font-size: 18px;
}

/* 内容布局 */
.tag-content-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 20px;
}

/* 标签简介区块 */
.tag-intro-section {
    background: #f8f9fa;
    border-left: 4px solid var(--secondary);
    padding: 15px 20px;
    margin-bottom: 20px;
}

.tag-intro-content {
    margin: 0;
}

.intro-summary {
    margin: 0;
    color: #333;
    font-size: 15px;
    line-height: 1.6;
}

.intro-summary strong {
    color: var(--secondary);
    font-weight: 600;
    font-size: 16px;
}

/* 资源列表 */
.tag-resources-section,
.tag-category-section,
.tag-all-resources-section {
    background: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.tag-section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-header .tag-section-title {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.view-more-link {
    color: var(--secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s;
}

.view-more-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.resource-card {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.resource-card:last-child {
    border-bottom: none;
}

.resource-card:hover {
    background: #f8f9fa;
    padding: 20px 15px;
    border-radius: 8px;
}

.resource-card-title {
    margin: 0 0 10px 0;
}

.resource-card-title a {
    color: var(--text-dark);
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.resource-card-title a:hover {
    color: var(--secondary);
}

.resource-card-desc {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.resource-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 13px;
    color: var(--text-muted);
    align-items: center;
}

.resource-card-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.resource-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.resource-tag-link {
    display: inline-block;
    padding: 3px 10px;
    background: #f0f4f8;
    color: var(--text-dark);
    border-radius: 12px;
    font-size: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.resource-tag-link:hover {
    background: var(--secondary);
    color: white;
}

/* 侧边栏 */
.tag-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-widget {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.sidebar-widget-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    gap: 6px;
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list-item {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-list-item:last-child {
    border-bottom: none;
}

.sidebar-list-item a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    display: block;
    line-height: 1.5;
    transition: color 0.3s;
    margin-bottom: 4px;
}

.sidebar-list-item a:hover {
    color: var(--secondary);
}

.sidebar-list-item .item-count {
    color: var(--text-muted);
    font-size: 12px;
}

/* 新闻和资源元信息 */
.news-meta,
.resource-meta {
    display: flex;
    gap: 10px;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.news-date,
.news-views,
.resource-downloads {
    display: inline-block;
}

/* 相关标签 */
.related-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.related-tag {
    display: inline-block;
    padding: 6px 15px;
    background: #f0f4f8;
    color: var(--text-dark);
    border-radius: 16px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.related-tag:hover {
    background: var(--secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

/* 分页 */
.tag-pagination {
    margin-top: 30px;
    text-align: center;
}

.tag-pagination .pagination {
    display: inline-flex;
    gap: 8px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.tag-pagination .pagination li {
    display: inline-block;
}

.tag-pagination .pagination li a,
.tag-pagination .pagination li span {
    display: inline-block;
    min-width: 40px;
    height: 40px;
    line-height: 40px;
    padding: 0 12px;
    text-align: center;
    color: var(--text-dark);
    background: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.tag-pagination .pagination li a:hover {
    color: white;
    background: var(--secondary);
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

.tag-pagination .pagination li.active span {
    color: white;
    background: var(--secondary);
    border-color: var(--secondary);
    font-weight: 600;
}

.tag-pagination .pagination li.disabled span {
    color: var(--text-muted);
    background: #f5f5f5;
    border-color: var(--border);
    cursor: not-allowed;
}

.tag-pagination .pagination li.prev a,
.tag-pagination .pagination li.next a {
    font-weight: 600;
}

.tag-pagination .pagination li.prev a::before {
    content: "‹ ";
}

.tag-pagination .pagination li.next a::after {
    content: " ›";
}

/* 空状态 */
.tag-empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.tag-empty-state .empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.6;
}

.tag-empty-state .empty-text {
    font-size: 18px;
    color: var(--text-muted);
}

/* 分类网格布局 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.category-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.category-card:hover {
    background: white;
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.category-card-link {
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.category-card-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.category-card-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    min-height: 40px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.category-card-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.category-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #f0f0f0;
}

.category-tag-link {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    color: #666;
    background: #f5f5f5;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s;
}

.category-tag-link:hover {
    color: white;
    background: var(--secondary);
    transform: translateY(-1px);
}

/* 全部资源列表 */
.tag-all-resources-section {
    background: #f5f7fa;
    padding: 30px 25px;
}

.resource-list {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.resource-list .resource-card {
    padding: 15px 0;
}

/* 分类导航区块 */
.tag-category-nav {
    background: white;
    border-radius: 12px;
    padding: 30px 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.category-nav-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 20px 0;
    text-align: center;
}

.category-nav-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.category-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 25px 20px;
    background: #f8f9fa;
    border: 2px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 140px;
}

.category-nav-btn:hover {
    background: white;
    border-color: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.2);
}

.category-nav-btn.active {
    background: white;
    border-color: var(--secondary);
    border-width: 2px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.25);
}

.category-nav-btn.active .nav-text {
    color: var(--secondary);
}

.category-nav-btn .nav-icon {
    font-size: 40px;
    margin-bottom: 10px;
    display: block;
}

.category-nav-btn .nav-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
    display: block;
}

.category-nav-btn .nav-desc {
    font-size: 13px;
    color: var(--text-muted);
    display: block;
}

.category-nav-btn .nav-count {
    font-size: 14px;
    color: var(--secondary);
    font-weight: 600;
    display: block;
}

.category-nav-btn-primary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border-color: var(--secondary);
}

.category-nav-btn-primary .nav-text {
    color: white;
}

.category-nav-btn-primary .nav-count {
    color: white;
    opacity: 0.9;
}

.category-nav-btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.category-nav-btn-primary.active {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(52, 152, 219, 0.5);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tag-content-layout {
        grid-template-columns: 1fr;
    }
    
    .tag-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .tag-page-container {
        padding: 10px;
    }
    
    .tag-header-section {
        padding: 20px;
    }
    
    .tag-main-title {
        font-size: 24px;
    }
    
    .tag-intro-section,
    .tag-resources-section,
    .tag-category-section,
    .sidebar-widget {
        padding: 15px;
    }
    
    .tag-stats {
        gap: 15px;
    }
    
    .resource-card-meta {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .tag-main-title {
        font-size: 20px;
    }
    
    .resource-card-title a {
        font-size: 16px;
    }
    
    .category-card-icon {
        font-size: 36px;
    }
    
    .view-all-btn {
        padding: 12px 30px;
        font-size: 15px;
    }
    
    .tag-view-more-section {
        padding: 30px 20px;
    }
    
    .tag-pagination .pagination {
        gap: 5px;
    }
    
    .tag-pagination .pagination li a,
    .tag-pagination .pagination li span {
        min-width: 36px;
        height: 36px;
        line-height: 36px;
        padding: 0 10px;
        font-size: 13px;
    }
    
    .category-nav-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-nav-btn {
        min-height: 120px;
        padding: 20px 15px;
    }
    
    .category-nav-btn .nav-icon {
        font-size: 32px;
    }
    
    .category-nav-btn .nav-text {
        font-size: 16px;
    }
}