/* ============================================
   Default Template - 通用SEO模板样式
   ============================================ */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --hover-color: #1e40af;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   顶部导航
   ============================================ */
.site-header {
    background: var(--bg-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.logo a:hover {
    color: var(--hover-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    flex: 1;
    justify-content: center;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 0;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.nav-search {
    display: flex;
    align-items: center;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 8px 12px;
    border: 1px solid var(--border-color);
}

.search-input {
    border: none;
    outline: none;
    background: transparent;
    padding: 5px 10px;
    width: 200px;
    font-size: 14px;
}

.search-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
}

.search-btn:hover {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

/* ============================================
   首页横幅
   ============================================ */
.home-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.banner-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.banner-search-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 50px;
    padding: 5px;
    box-shadow: var(--shadow-lg);
}

.banner-search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 15px 25px;
    font-size: 16px;
    border-radius: 50px;
}

.banner-search-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.banner-search-btn:hover {
    background: var(--hover-color);
}

/* ============================================
   通用区块样式
   ============================================ */
.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.section-subtitle {
    color: var(--text-light);
    font-size: 16px;
}

/* ============================================
   文章卡片 - 网格布局
   ============================================ */
.article-grid {
    display: grid;
    gap: 30px;
}

.grid-3 {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.article-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.article-thumb {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-thumb img {
    transform: scale(1.05);
}

.article-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.article-category {
    color: var(--primary-color);
    font-weight: 500;
}

.article-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.article-views {
    color: var(--text-light);
    font-size: 13px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--hover-color);
}

/* ============================================
   文章列表 - 列表布局
   ============================================ */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.list-article {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 25px;
    transition: var(--transition);
}

.list-article:hover {
    box-shadow: var(--shadow-md);
}

.list-article-thumb {
    width: 250px;
    height: 180px;
    flex-shrink: 0;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-light);
}

.list-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.list-article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.list-article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.list-article-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.list-article-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.list-article-title a:hover {
    color: var(--primary-color);
}

.list-article-excerpt {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 15px;
    flex: 1;
}

/* ============================================
   列表控制
   ============================================ */
.list-controls {
    padding: 20px 0;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.view-switcher {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.view-btn {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    padding: 8px 15px;
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.view-btn:hover,
.view-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ============================================
   页面头部
   ============================================ */
.page-header {
    background: var(--bg-color);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

/* 简化版页面头部 */
.page-header-compact {
    background: var(--bg-color);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.page-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.breadcrumb-compact {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

.breadcrumb a,
.breadcrumb-compact a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

.breadcrumb .separator,
.breadcrumb-compact .separator {
    color: var(--text-light);
}

.breadcrumb .current,
.breadcrumb-compact .current {
    color: var(--text-color);
    font-weight: 500;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-title-compact {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}

.page-description {
    color: var(--text-light);
    font-size: 16px;
}

/* ============================================
   文章详情页
   ============================================ */
.article-detail-section {
    padding: 20px 0;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
}

.detail-main {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.article-detail {
    margin-bottom: 40px;
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-detail .article-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
}

.article-meta-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.article-featured-image {
    margin: 30px 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 30px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 20px 0;
}

.article-content h2,
.article-content h3,
.article-content h4 {
    margin: 30px 0 15px;
    color: var(--text-color);
    font-weight: 600;
}

/* 文章表格样式 */
.article-content table {
    width: 100% !important;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 15px;
    border: 1px solid var(--border-color);
    table-layout: auto;
}

.article-content table th,
.article-content table td {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    text-align: left;
    min-width: 100px;
}

.article-content table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
}

.article-content table tr:nth-child(even) {
    background: #fafafa;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.tags-label {
    font-weight: 500;
    color: var(--text-color);
}

.tag-item {
    background: var(--bg-light);
    color: var(--text-color);
    padding: 5px 15px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.tag-item:hover {
    background: var(--primary-color);
    color: white;
}

.article-share {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 0;
}

.share-label {
    font-weight: 500;
    color: var(--text-color);
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.share-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 相关文章 */
.related-articles {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.related-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.related-card:hover {
    box-shadow: var(--shadow-md);
}

.related-thumb {
    width: 100%;
    height: 150px;
    overflow: hidden;
    background: var(--bg-light);
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-body {
    padding: 15px;
}

.related-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.related-title a:hover {
    color: var(--primary-color);
}

.related-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--text-light);
}

/* ============================================
   侧边栏
   ============================================ */
.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
    color: var(--text-color);
}

.sidebar-search-form {
    display: flex;
    gap: 10px;
}

.sidebar-search-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    outline: none;
    font-size: 14px;
}

.sidebar-search-btn {
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-search-btn:hover {
    background: var(--hover-color);
}

.hot-articles-list,
.latest-articles-list {
    list-style: none;
}

.hot-article-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.hot-article-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.hot-article-link {
    display: flex;
    gap: 15px;
    text-decoration: none;
    transition: var(--transition);
}

.hot-article-link:hover {
    opacity: 0.8;
}

.hot-article-thumb {
    width: 80px;
    height: 60px;
    border-radius: var(--radius);
    object-fit: cover;
    flex-shrink: 0;
}

.hot-article-info {
    flex: 1;
}

.hot-article-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-article-meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: var(--text-light);
}

.latest-article-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.latest-article-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.latest-article-link {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    text-decoration: none;
    flex: 1;
    transition: var(--transition);
}

.latest-article-link:hover {
    color: var(--primary-color);
}

.latest-article-link i {
    color: var(--primary-color);
    margin-top: 3px;
}

.latest-article-title {
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.5;
}

.latest-article-date {
    font-size: 12px;
    color: var(--text-light);
    white-space: nowrap;
}

.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: 10px;
}

.category-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.category-link:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.category-link i {
    color: var(--primary-color);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud-item {
    background: var(--bg-light);
    color: var(--text-color);
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.tag-cloud-item:hover {
    background: var(--primary-color);
    color: white;
}

/* ============================================
   分类网格
   ============================================ */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 25px;
}

.category-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.category-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.category-link {
    text-decoration: none;
    color: var(--text-color);
}

.category-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.category-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.category-desc {
    font-size: 13px;
    color: var(--text-light);
}

/* ============================================
   分站和友情链接
   ============================================ */
.branch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}

.branch-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.branch-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.branch-icon {
    font-size: 24px;
    color: var(--primary-color);
}

.branch-name {
    font-size: 14px;
    font-weight: 500;
}

/* ============================================
   友情链接
   ============================================ */
.friendlinks-section {
    padding: 20px 0;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

.friendlinks-content {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.friendlinks-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 2px;
}

.friendlinks-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px 20px;
}

.friendlink-item {
    font-size: 14px;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.friendlink-item:hover {
    color: var(--primary-color);
}

/* ============================================
   搜索页
   ============================================ */
.search-box-large {
    margin-top: 30px;
}

.large-search-form {
    display: flex;
    max-width: 600px;
    background: var(--bg-light);
    border-radius: 50px;
    padding: 5px;
    box-shadow: var(--shadow-md);
}

.large-search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 15px 25px;
    font-size: 16px;
    background: transparent;
}

.large-search-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.large-search-btn:hover {
    background: var(--hover-color);
}

.search-info {
    margin-bottom: 30px;
    color: var(--text-light);
}

.no-results {
    text-align: center;
    padding: 80px 20px;
}

.no-results-icon {
    font-size: 64px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.no-results h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.no-results p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.no-results-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* ============================================
   分页
   ============================================ */
.pagination-section {
    padding: 40px 0;
}

.pagination-wrapper {
    display: flex;
    justify-content: center;
}

/* ============================================
   404错误页
   ============================================ */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    padding: 20px;
}

.error-container {
    text-align: center;
    max-width: 600px;
}

.error-icon {
    font-size: 80px;
    color: var(--warning-color);
    margin-bottom: 20px;
}

.error-code {
    font-size: 120px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1;
}

.error-title {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.error-message {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.error-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 50px;
}

.btn-primary,
.btn-secondary {
    padding: 12px 30px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--hover-color);
}

.btn-secondary {
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.error-suggestions {
    text-align: left;
    background: var(--bg-color);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.error-suggestions h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.suggestions-list {
    list-style: none;
}

.suggestions-list li {
    margin-bottom: 10px;
}

.suggestions-list a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.suggestions-list a:hover {
    color: var(--primary-color);
}

.suggestions-list a::before {
    content: '→';
    color: var(--primary-color);
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-section p {
    line-height: 1.8;
    font-size: 14px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-contact i {
    color: var(--primary-color);
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .detail-sidebar {
        margin-top: 40px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: relative;
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 0;
    }

    .logo {
        flex-shrink: 0;
    }

    .logo a {
        font-size: 20px;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: -20px;
        right: -20px;
        background: var(--bg-color);
        padding: 0;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        gap: 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 15px 20px;
        font-size: 16px;
        border-bottom: 1px solid var(--bg-light);
    }

    .nav-menu a.active::after {
        display: none;
    }

    .nav-menu a.active {
        color: var(--primary-color);
        background: var(--bg-light);
        border-left: 4px solid var(--primary-color);
        padding-left: 16px;
    }

    .nav-search {
        flex: 1;
        margin: 0;
    }

    .search-form {
        width: 100%;
        padding: 6px 10px;
    }

    .search-input {
        flex: 1;
        width: 100%;
        font-size: 13px;
    }

    .mobile-menu-toggle {
        display: block;
        flex-shrink: 0;
        margin: 0;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 24px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .list-article {
        flex-direction: column;
    }

    .list-article-thumb {
        width: 100%;
        height: 200px;
    }

    .article-detail .article-title {
        font-size: 24px;
    }

    .detail-main {
        padding: 25px;
    }

    .error-code {
        font-size: 80px;
    }

    .error-title {
        font-size: 24px;
    }

    .error-actions {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .page-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .page-title-compact {
        font-size: 20px;
    }

    .breadcrumb-compact {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .banner-title {
        font-size: 24px;
    }

    .banner-search-form {
        flex-direction: column;
        border-radius: var(--radius);
    }

    .banner-search-input,
    .banner-search-btn {
        border-radius: var(--radius);
    }

    .large-search-form {
        flex-direction: column;
        border-radius: var(--radius);
    }

    .large-search-input,
    .large-search-btn {
        border-radius: var(--radius);
    }
}